# -*- coding: utf-8 -*-
# Copyright 2025 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
import os
import re

# try/except added for compatibility with python < 3.8
try:
    from unittest import mock
    from unittest.mock import AsyncMock  # pragma: NO COVER
except ImportError:  # pragma: NO COVER
    import mock

from collections.abc import AsyncIterable, Iterable, Mapping, Sequence
import json
import math

from google.api_core import api_core_version
from google.protobuf import json_format
import grpc
from grpc.experimental import aio
from proto.marshal.rules import wrappers
from proto.marshal.rules.dates import DurationRule, TimestampRule
import pytest
from requests import PreparedRequest, Request, Response
from requests.sessions import Session

try:
    from google.auth.aio import credentials as ga_credentials_async

    HAS_GOOGLE_AUTH_AIO = True
except ImportError:  # pragma: NO COVER
    HAS_GOOGLE_AUTH_AIO = False

from google.api_core import (
    future,
    gapic_v1,
    grpc_helpers,
    grpc_helpers_async,
    operation,
    operations_v1,
    path_template,
)
from google.api_core import client_options
from google.api_core import exceptions as core_exceptions
from google.api_core import retry as retries
import google.api_core.operation_async as operation_async  # type: ignore
import google.auth
from google.auth import credentials as ga_credentials
from google.auth.exceptions import MutualTLSChannelError
import google.iam.v1.iam_policy_pb2 as iam_policy_pb2  # type: ignore
import google.iam.v1.options_pb2 as options_pb2  # type: ignore
import google.iam.v1.policy_pb2 as policy_pb2  # type: ignore
from google.longrunning import operations_pb2  # type: ignore
import google.longrunning.operations_pb2 as operations_pb2  # type: ignore
from google.oauth2 import service_account
import google.protobuf.field_mask_pb2 as field_mask_pb2  # type: ignore
import google.protobuf.timestamp_pb2 as timestamp_pb2  # type: ignore
import google.type.expr_pb2 as expr_pb2  # type: ignore

from google.cloud.spanner_admin_instance_v1.services.instance_admin import (
    InstanceAdminAsyncClient,
    InstanceAdminClient,
    pagers,
    transports,
)
from google.cloud.spanner_admin_instance_v1.types import common, spanner_instance_admin

CRED_INFO_JSON = {
    "credential_source": "/path/to/file",
    "credential_type": "service account credentials",
    "principal": "service-account@example.com",
}
CRED_INFO_STRING = json.dumps(CRED_INFO_JSON)


async def mock_async_gen(data, chunk_size=1):
    for i in range(0, len(data)):  # pragma: NO COVER
        chunk = data[i : i + chunk_size]
        yield chunk.encode("utf-8")


def client_cert_source_callback():
    return b"cert bytes", b"key bytes"


# TODO: use async auth anon credentials by default once the minimum version of google-auth is upgraded.
# See related issue: https://github.com/googleapis/gapic-generator-python/issues/2107.
def async_anonymous_credentials():
    if HAS_GOOGLE_AUTH_AIO:
        return ga_credentials_async.AnonymousCredentials()
    return ga_credentials.AnonymousCredentials()


# If default endpoint is localhost, then default mtls endpoint will be the same.
# This method modifies the default endpoint so the client can produce a different
# mtls endpoint for endpoint testing purposes.
def modify_default_endpoint(client):
    return (
        "foo.googleapis.com"
        if ("localhost" in client.DEFAULT_ENDPOINT)
        else client.DEFAULT_ENDPOINT
    )


# If default endpoint template is localhost, then default mtls endpoint will be the same.
# This method modifies the default endpoint template so the client can produce a different
# mtls endpoint for endpoint testing purposes.
def modify_default_endpoint_template(client):
    return (
        "test.{UNIVERSE_DOMAIN}"
        if ("localhost" in client._DEFAULT_ENDPOINT_TEMPLATE)
        else client._DEFAULT_ENDPOINT_TEMPLATE
    )


def test__get_default_mtls_endpoint():
    api_endpoint = "example.googleapis.com"
    api_mtls_endpoint = "example.mtls.googleapis.com"
    sandbox_endpoint = "example.sandbox.googleapis.com"
    sandbox_mtls_endpoint = "example.mtls.sandbox.googleapis.com"
    non_googleapi = "api.example.com"
    custom_endpoint = ".custom"

    assert InstanceAdminClient._get_default_mtls_endpoint(None) is None
    assert (
        InstanceAdminClient._get_default_mtls_endpoint(api_endpoint)
        == api_mtls_endpoint
    )
    assert (
        InstanceAdminClient._get_default_mtls_endpoint(api_mtls_endpoint)
        == api_mtls_endpoint
    )
    assert (
        InstanceAdminClient._get_default_mtls_endpoint(sandbox_endpoint)
        == sandbox_mtls_endpoint
    )
    assert (
        InstanceAdminClient._get_default_mtls_endpoint(sandbox_mtls_endpoint)
        == sandbox_mtls_endpoint
    )
    assert (
        InstanceAdminClient._get_default_mtls_endpoint(non_googleapi) == non_googleapi
    )
    assert (
        InstanceAdminClient._get_default_mtls_endpoint(custom_endpoint)
        == custom_endpoint
    )


def test__read_environment_variables():
    assert InstanceAdminClient._read_environment_variables() == (False, "auto", None)

    with mock.patch.dict(os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "true"}):
        assert InstanceAdminClient._read_environment_variables() == (True, "auto", None)

    with mock.patch.dict(os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "false"}):
        assert InstanceAdminClient._read_environment_variables() == (
            False,
            "auto",
            None,
        )

    with mock.patch.dict(
        os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "Unsupported"}
    ):
        if not hasattr(google.auth.transport.mtls, "should_use_client_cert"):
            with pytest.raises(ValueError) as excinfo:
                InstanceAdminClient._read_environment_variables()
            assert (
                str(excinfo.value)
                == "Environment variable `GOOGLE_API_USE_CLIENT_CERTIFICATE` must be either `true` or `false`"
            )
        else:
            assert InstanceAdminClient._read_environment_variables() == (
                False,
                "auto",
                None,
            )

    with mock.patch.dict(os.environ, {"GOOGLE_API_USE_MTLS_ENDPOINT": "never"}):
        assert InstanceAdminClient._read_environment_variables() == (
            False,
            "never",
            None,
        )

    with mock.patch.dict(os.environ, {"GOOGLE_API_USE_MTLS_ENDPOINT": "always"}):
        assert InstanceAdminClient._read_environment_variables() == (
            False,
            "always",
            None,
        )

    with mock.patch.dict(os.environ, {"GOOGLE_API_USE_MTLS_ENDPOINT": "auto"}):
        assert InstanceAdminClient._read_environment_variables() == (
            False,
            "auto",
            None,
        )

    with mock.patch.dict(os.environ, {"GOOGLE_API_USE_MTLS_ENDPOINT": "Unsupported"}):
        with pytest.raises(MutualTLSChannelError) as excinfo:
            InstanceAdminClient._read_environment_variables()
    assert (
        str(excinfo.value)
        == "Environment variable `GOOGLE_API_USE_MTLS_ENDPOINT` must be `never`, `auto` or `always`"
    )

    with mock.patch.dict(os.environ, {"GOOGLE_CLOUD_UNIVERSE_DOMAIN": "foo.com"}):
        assert InstanceAdminClient._read_environment_variables() == (
            False,
            "auto",
            "foo.com",
        )


def test_use_client_cert_effective():
    # Test case 1: Test when `should_use_client_cert` returns True.
    # We mock the `should_use_client_cert` function to simulate a scenario where
    # the google-auth library supports automatic mTLS and determines that a
    # client certificate should be used.
    if hasattr(google.auth.transport.mtls, "should_use_client_cert"):
        with mock.patch(
            "google.auth.transport.mtls.should_use_client_cert", return_value=True
        ):
            assert InstanceAdminClient._use_client_cert_effective() is True

    # Test case 2: Test when `should_use_client_cert` returns False.
    # We mock the `should_use_client_cert` function to simulate a scenario where
    # the google-auth library supports automatic mTLS and determines that a
    # client certificate should NOT be used.
    if hasattr(google.auth.transport.mtls, "should_use_client_cert"):
        with mock.patch(
            "google.auth.transport.mtls.should_use_client_cert", return_value=False
        ):
            assert InstanceAdminClient._use_client_cert_effective() is False

    # Test case 3: Test when `should_use_client_cert` is unavailable and the
    # `GOOGLE_API_USE_CLIENT_CERTIFICATE` environment variable is set to "true".
    if not hasattr(google.auth.transport.mtls, "should_use_client_cert"):
        with mock.patch.dict(os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "true"}):
            assert InstanceAdminClient._use_client_cert_effective() is True

    # Test case 4: Test when `should_use_client_cert` is unavailable and the
    # `GOOGLE_API_USE_CLIENT_CERTIFICATE` environment variable is set to "false".
    if not hasattr(google.auth.transport.mtls, "should_use_client_cert"):
        with mock.patch.dict(
            os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "false"}
        ):
            assert InstanceAdminClient._use_client_cert_effective() is False

    # Test case 5: Test when `should_use_client_cert` is unavailable and the
    # `GOOGLE_API_USE_CLIENT_CERTIFICATE` environment variable is set to "True".
    if not hasattr(google.auth.transport.mtls, "should_use_client_cert"):
        with mock.patch.dict(os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "True"}):
            assert InstanceAdminClient._use_client_cert_effective() is True

    # Test case 6: Test when `should_use_client_cert` is unavailable and the
    # `GOOGLE_API_USE_CLIENT_CERTIFICATE` environment variable is set to "False".
    if not hasattr(google.auth.transport.mtls, "should_use_client_cert"):
        with mock.patch.dict(
            os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "False"}
        ):
            assert InstanceAdminClient._use_client_cert_effective() is False

    # Test case 7: Test when `should_use_client_cert` is unavailable and the
    # `GOOGLE_API_USE_CLIENT_CERTIFICATE` environment variable is set to "TRUE".
    if not hasattr(google.auth.transport.mtls, "should_use_client_cert"):
        with mock.patch.dict(os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "TRUE"}):
            assert InstanceAdminClient._use_client_cert_effective() is True

    # Test case 8: Test when `should_use_client_cert` is unavailable and the
    # `GOOGLE_API_USE_CLIENT_CERTIFICATE` environment variable is set to "FALSE".
    if not hasattr(google.auth.transport.mtls, "should_use_client_cert"):
        with mock.patch.dict(
            os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "FALSE"}
        ):
            assert InstanceAdminClient._use_client_cert_effective() is False

    # Test case 9: Test when `should_use_client_cert` is unavailable and the
    # `GOOGLE_API_USE_CLIENT_CERTIFICATE` environment variable is not set.
    # In this case, the method should return False, which is the default value.
    if not hasattr(google.auth.transport.mtls, "should_use_client_cert"):
        with mock.patch.dict(os.environ, clear=True):
            assert InstanceAdminClient._use_client_cert_effective() is False

    # Test case 10: Test when `should_use_client_cert` is unavailable and the
    # `GOOGLE_API_USE_CLIENT_CERTIFICATE` environment variable is set to an invalid value.
    # The method should raise a ValueError as the environment variable must be either
    # "true" or "false".
    if not hasattr(google.auth.transport.mtls, "should_use_client_cert"):
        with mock.patch.dict(
            os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "unsupported"}
        ):
            with pytest.raises(ValueError):
                InstanceAdminClient._use_client_cert_effective()

    # Test case 11: Test when `should_use_client_cert` is available and the
    # `GOOGLE_API_USE_CLIENT_CERTIFICATE` environment variable is set to an invalid value.
    # The method should return False as the environment variable is set to an invalid value.
    if hasattr(google.auth.transport.mtls, "should_use_client_cert"):
        with mock.patch.dict(
            os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "unsupported"}
        ):
            assert InstanceAdminClient._use_client_cert_effective() is False

    # Test case 12: Test when `should_use_client_cert` is available and the
    # `GOOGLE_API_USE_CLIENT_CERTIFICATE` environment variable is unset. Also,
    # the GOOGLE_API_CONFIG environment variable is unset.
    if hasattr(google.auth.transport.mtls, "should_use_client_cert"):
        with mock.patch.dict(os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": ""}):
            with mock.patch.dict(os.environ, {"GOOGLE_API_CERTIFICATE_CONFIG": ""}):
                assert InstanceAdminClient._use_client_cert_effective() is False


def test__get_client_cert_source():
    mock_provided_cert_source = mock.Mock()
    mock_default_cert_source = mock.Mock()

    assert InstanceAdminClient._get_client_cert_source(None, False) is None
    assert (
        InstanceAdminClient._get_client_cert_source(mock_provided_cert_source, False)
        is None
    )
    assert (
        InstanceAdminClient._get_client_cert_source(mock_provided_cert_source, True)
        == mock_provided_cert_source
    )

    with mock.patch(
        "google.auth.transport.mtls.has_default_client_cert_source", return_value=True
    ):
        with mock.patch(
            "google.auth.transport.mtls.default_client_cert_source",
            return_value=mock_default_cert_source,
        ):
            assert (
                InstanceAdminClient._get_client_cert_source(None, True)
                is mock_default_cert_source
            )
            assert (
                InstanceAdminClient._get_client_cert_source(
                    mock_provided_cert_source, "true"
                )
                is mock_provided_cert_source
            )


@mock.patch.object(
    InstanceAdminClient,
    "_DEFAULT_ENDPOINT_TEMPLATE",
    modify_default_endpoint_template(InstanceAdminClient),
)
@mock.patch.object(
    InstanceAdminAsyncClient,
    "_DEFAULT_ENDPOINT_TEMPLATE",
    modify_default_endpoint_template(InstanceAdminAsyncClient),
)
def test__get_api_endpoint():
    api_override = "foo.com"
    mock_client_cert_source = mock.Mock()
    default_universe = InstanceAdminClient._DEFAULT_UNIVERSE
    default_endpoint = InstanceAdminClient._DEFAULT_ENDPOINT_TEMPLATE.format(
        UNIVERSE_DOMAIN=default_universe
    )
    mock_universe = "bar.com"
    mock_endpoint = InstanceAdminClient._DEFAULT_ENDPOINT_TEMPLATE.format(
        UNIVERSE_DOMAIN=mock_universe
    )

    assert (
        InstanceAdminClient._get_api_endpoint(
            api_override, mock_client_cert_source, default_universe, "always"
        )
        == api_override
    )
    assert (
        InstanceAdminClient._get_api_endpoint(
            None, mock_client_cert_source, default_universe, "auto"
        )
        == InstanceAdminClient.DEFAULT_MTLS_ENDPOINT
    )
    assert (
        InstanceAdminClient._get_api_endpoint(None, None, default_universe, "auto")
        == default_endpoint
    )
    assert (
        InstanceAdminClient._get_api_endpoint(None, None, default_universe, "always")
        == InstanceAdminClient.DEFAULT_MTLS_ENDPOINT
    )
    assert (
        InstanceAdminClient._get_api_endpoint(
            None, mock_client_cert_source, default_universe, "always"
        )
        == InstanceAdminClient.DEFAULT_MTLS_ENDPOINT
    )
    assert (
        InstanceAdminClient._get_api_endpoint(None, None, mock_universe, "never")
        == mock_endpoint
    )
    assert (
        InstanceAdminClient._get_api_endpoint(None, None, default_universe, "never")
        == default_endpoint
    )

    with pytest.raises(MutualTLSChannelError) as excinfo:
        InstanceAdminClient._get_api_endpoint(
            None, mock_client_cert_source, mock_universe, "auto"
        )
    assert (
        str(excinfo.value)
        == "mTLS is not supported in any universe other than googleapis.com."
    )


def test__get_universe_domain():
    client_universe_domain = "foo.com"
    universe_domain_env = "bar.com"

    assert (
        InstanceAdminClient._get_universe_domain(
            client_universe_domain, universe_domain_env
        )
        == client_universe_domain
    )
    assert (
        InstanceAdminClient._get_universe_domain(None, universe_domain_env)
        == universe_domain_env
    )
    assert (
        InstanceAdminClient._get_universe_domain(None, None)
        == InstanceAdminClient._DEFAULT_UNIVERSE
    )

    with pytest.raises(ValueError) as excinfo:
        InstanceAdminClient._get_universe_domain("", None)
    assert str(excinfo.value) == "Universe Domain cannot be an empty string."


@pytest.mark.parametrize(
    "error_code,cred_info_json,show_cred_info",
    [
        (401, CRED_INFO_JSON, True),
        (403, CRED_INFO_JSON, True),
        (404, CRED_INFO_JSON, True),
        (500, CRED_INFO_JSON, False),
        (401, None, False),
        (403, None, False),
        (404, None, False),
        (500, None, False),
    ],
)
def test__add_cred_info_for_auth_errors(error_code, cred_info_json, show_cred_info):
    cred = mock.Mock(["get_cred_info"])
    cred.get_cred_info = mock.Mock(return_value=cred_info_json)
    client = InstanceAdminClient(credentials=cred)
    client._transport._credentials = cred

    error = core_exceptions.GoogleAPICallError("message", details=["foo"])
    error.code = error_code

    client._add_cred_info_for_auth_errors(error)
    if show_cred_info:
        assert error.details == ["foo", CRED_INFO_STRING]
    else:
        assert error.details == ["foo"]


@pytest.mark.parametrize("error_code", [401, 403, 404, 500])
def test__add_cred_info_for_auth_errors_no_get_cred_info(error_code):
    cred = mock.Mock([])
    assert not hasattr(cred, "get_cred_info")
    client = InstanceAdminClient(credentials=cred)
    client._transport._credentials = cred

    error = core_exceptions.GoogleAPICallError("message", details=[])
    error.code = error_code

    client._add_cred_info_for_auth_errors(error)
    assert error.details == []


@pytest.mark.parametrize(
    "client_class,transport_name",
    [
        (InstanceAdminClient, "grpc"),
        (InstanceAdminAsyncClient, "grpc_asyncio"),
        (InstanceAdminClient, "rest"),
    ],
)
def test_instance_admin_client_from_service_account_info(client_class, transport_name):
    creds = ga_credentials.AnonymousCredentials()
    with mock.patch.object(
        service_account.Credentials, "from_service_account_info"
    ) as factory:
        factory.return_value = creds
        info = {"valid": True}
        client = client_class.from_service_account_info(info, transport=transport_name)
        assert client.transport._credentials == creds
        assert isinstance(client, client_class)

        assert client.transport._host == (
            "spanner.googleapis.com:443"
            if transport_name in ["grpc", "grpc_asyncio"]
            else "https://spanner.googleapis.com"
        )


@pytest.mark.parametrize(
    "transport_class,transport_name",
    [
        (transports.InstanceAdminGrpcTransport, "grpc"),
        (transports.InstanceAdminGrpcAsyncIOTransport, "grpc_asyncio"),
        (transports.InstanceAdminRestTransport, "rest"),
    ],
)
def test_instance_admin_client_service_account_always_use_jwt(
    transport_class, transport_name
):
    with mock.patch.object(
        service_account.Credentials, "with_always_use_jwt_access", create=True
    ) as use_jwt:
        creds = service_account.Credentials(None, None, None)
        transport = transport_class(credentials=creds, always_use_jwt_access=True)
        use_jwt.assert_called_once_with(True)

    with mock.patch.object(
        service_account.Credentials, "with_always_use_jwt_access", create=True
    ) as use_jwt:
        creds = service_account.Credentials(None, None, None)
        transport = transport_class(credentials=creds, always_use_jwt_access=False)
        use_jwt.assert_not_called()


@pytest.mark.parametrize(
    "client_class,transport_name",
    [
        (InstanceAdminClient, "grpc"),
        (InstanceAdminAsyncClient, "grpc_asyncio"),
        (InstanceAdminClient, "rest"),
    ],
)
def test_instance_admin_client_from_service_account_file(client_class, transport_name):
    creds = ga_credentials.AnonymousCredentials()
    with mock.patch.object(
        service_account.Credentials, "from_service_account_file"
    ) as factory:
        factory.return_value = creds
        client = client_class.from_service_account_file(
            "dummy/file/path.json", transport=transport_name
        )
        assert client.transport._credentials == creds
        assert isinstance(client, client_class)

        client = client_class.from_service_account_json(
            "dummy/file/path.json", transport=transport_name
        )
        assert client.transport._credentials == creds
        assert isinstance(client, client_class)

        assert client.transport._host == (
            "spanner.googleapis.com:443"
            if transport_name in ["grpc", "grpc_asyncio"]
            else "https://spanner.googleapis.com"
        )


def test_instance_admin_client_get_transport_class():
    transport = InstanceAdminClient.get_transport_class()
    available_transports = [
        transports.InstanceAdminGrpcTransport,
        transports.InstanceAdminRestTransport,
    ]
    assert transport in available_transports

    transport = InstanceAdminClient.get_transport_class("grpc")
    assert transport == transports.InstanceAdminGrpcTransport


@pytest.mark.parametrize(
    "client_class,transport_class,transport_name",
    [
        (InstanceAdminClient, transports.InstanceAdminGrpcTransport, "grpc"),
        (
            InstanceAdminAsyncClient,
            transports.InstanceAdminGrpcAsyncIOTransport,
            "grpc_asyncio",
        ),
        (InstanceAdminClient, transports.InstanceAdminRestTransport, "rest"),
    ],
)
@mock.patch.object(
    InstanceAdminClient,
    "_DEFAULT_ENDPOINT_TEMPLATE",
    modify_default_endpoint_template(InstanceAdminClient),
)
@mock.patch.object(
    InstanceAdminAsyncClient,
    "_DEFAULT_ENDPOINT_TEMPLATE",
    modify_default_endpoint_template(InstanceAdminAsyncClient),
)
def test_instance_admin_client_client_options(
    client_class, transport_class, transport_name
):
    # Check that if channel is provided we won't create a new one.
    with mock.patch.object(InstanceAdminClient, "get_transport_class") as gtc:
        transport = transport_class(credentials=ga_credentials.AnonymousCredentials())
        client = client_class(transport=transport)
        gtc.assert_not_called()

    # Check that if channel is provided via str we will create a new one.
    with mock.patch.object(InstanceAdminClient, "get_transport_class") as gtc:
        client = client_class(transport=transport_name)
        gtc.assert_called()

    # Check the case api_endpoint is provided.
    options = client_options.ClientOptions(api_endpoint="squid.clam.whelk")
    with mock.patch.object(transport_class, "__init__") as patched:
        patched.return_value = None
        client = client_class(transport=transport_name, client_options=options)
        patched.assert_called_once_with(
            credentials=None,
            credentials_file=None,
            host="squid.clam.whelk",
            scopes=None,
            client_cert_source_for_mtls=None,
            quota_project_id=None,
            client_info=transports.base.DEFAULT_CLIENT_INFO,
            always_use_jwt_access=True,
            api_audience=None,
        )

    # Check the case api_endpoint is not provided and GOOGLE_API_USE_MTLS_ENDPOINT is
    # "never".
    with mock.patch.dict(os.environ, {"GOOGLE_API_USE_MTLS_ENDPOINT": "never"}):
        with mock.patch.object(transport_class, "__init__") as patched:
            patched.return_value = None
            client = client_class(transport=transport_name)
            patched.assert_called_once_with(
                credentials=None,
                credentials_file=None,
                host=client._DEFAULT_ENDPOINT_TEMPLATE.format(
                    UNIVERSE_DOMAIN=client._DEFAULT_UNIVERSE
                ),
                scopes=None,
                client_cert_source_for_mtls=None,
                quota_project_id=None,
                client_info=transports.base.DEFAULT_CLIENT_INFO,
                always_use_jwt_access=True,
                api_audience=None,
            )

    # Check the case api_endpoint is not provided and GOOGLE_API_USE_MTLS_ENDPOINT is
    # "always".
    with mock.patch.dict(os.environ, {"GOOGLE_API_USE_MTLS_ENDPOINT": "always"}):
        with mock.patch.object(transport_class, "__init__") as patched:
            patched.return_value = None
            client = client_class(transport=transport_name)
            patched.assert_called_once_with(
                credentials=None,
                credentials_file=None,
                host=client.DEFAULT_MTLS_ENDPOINT,
                scopes=None,
                client_cert_source_for_mtls=None,
                quota_project_id=None,
                client_info=transports.base.DEFAULT_CLIENT_INFO,
                always_use_jwt_access=True,
                api_audience=None,
            )

    # Check the case api_endpoint is not provided and GOOGLE_API_USE_MTLS_ENDPOINT has
    # unsupported value.
    with mock.patch.dict(os.environ, {"GOOGLE_API_USE_MTLS_ENDPOINT": "Unsupported"}):
        with pytest.raises(MutualTLSChannelError) as excinfo:
            client = client_class(transport=transport_name)
    assert (
        str(excinfo.value)
        == "Environment variable `GOOGLE_API_USE_MTLS_ENDPOINT` must be `never`, `auto` or `always`"
    )

    # Check the case quota_project_id is provided
    options = client_options.ClientOptions(quota_project_id="octopus")
    with mock.patch.object(transport_class, "__init__") as patched:
        patched.return_value = None
        client = client_class(client_options=options, transport=transport_name)
        patched.assert_called_once_with(
            credentials=None,
            credentials_file=None,
            host=client._DEFAULT_ENDPOINT_TEMPLATE.format(
                UNIVERSE_DOMAIN=client._DEFAULT_UNIVERSE
            ),
            scopes=None,
            client_cert_source_for_mtls=None,
            quota_project_id="octopus",
            client_info=transports.base.DEFAULT_CLIENT_INFO,
            always_use_jwt_access=True,
            api_audience=None,
        )
    # Check the case api_endpoint is provided
    options = client_options.ClientOptions(
        api_audience="https://language.googleapis.com"
    )
    with mock.patch.object(transport_class, "__init__") as patched:
        patched.return_value = None
        client = client_class(client_options=options, transport=transport_name)
        patched.assert_called_once_with(
            credentials=None,
            credentials_file=None,
            host=client._DEFAULT_ENDPOINT_TEMPLATE.format(
                UNIVERSE_DOMAIN=client._DEFAULT_UNIVERSE
            ),
            scopes=None,
            client_cert_source_for_mtls=None,
            quota_project_id=None,
            client_info=transports.base.DEFAULT_CLIENT_INFO,
            always_use_jwt_access=True,
            api_audience="https://language.googleapis.com",
        )


@pytest.mark.parametrize(
    "client_class,transport_class,transport_name,use_client_cert_env",
    [
        (InstanceAdminClient, transports.InstanceAdminGrpcTransport, "grpc", "true"),
        (
            InstanceAdminAsyncClient,
            transports.InstanceAdminGrpcAsyncIOTransport,
            "grpc_asyncio",
            "true",
        ),
        (InstanceAdminClient, transports.InstanceAdminGrpcTransport, "grpc", "false"),
        (
            InstanceAdminAsyncClient,
            transports.InstanceAdminGrpcAsyncIOTransport,
            "grpc_asyncio",
            "false",
        ),
        (InstanceAdminClient, transports.InstanceAdminRestTransport, "rest", "true"),
        (InstanceAdminClient, transports.InstanceAdminRestTransport, "rest", "false"),
    ],
)
@mock.patch.object(
    InstanceAdminClient,
    "_DEFAULT_ENDPOINT_TEMPLATE",
    modify_default_endpoint_template(InstanceAdminClient),
)
@mock.patch.object(
    InstanceAdminAsyncClient,
    "_DEFAULT_ENDPOINT_TEMPLATE",
    modify_default_endpoint_template(InstanceAdminAsyncClient),
)
@mock.patch.dict(os.environ, {"GOOGLE_API_USE_MTLS_ENDPOINT": "auto"})
def test_instance_admin_client_mtls_env_auto(
    client_class, transport_class, transport_name, use_client_cert_env
):
    # This tests the endpoint autoswitch behavior. Endpoint is autoswitched to the default
    # mtls endpoint, if GOOGLE_API_USE_CLIENT_CERTIFICATE is "true" and client cert exists.

    # Check the case client_cert_source is provided. Whether client cert is used depends on
    # GOOGLE_API_USE_CLIENT_CERTIFICATE value.
    with mock.patch.dict(
        os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": use_client_cert_env}
    ):
        options = client_options.ClientOptions(
            client_cert_source=client_cert_source_callback
        )
        with mock.patch.object(transport_class, "__init__") as patched:
            patched.return_value = None
            client = client_class(client_options=options, transport=transport_name)

            if use_client_cert_env == "false":
                expected_client_cert_source = None
                expected_host = client._DEFAULT_ENDPOINT_TEMPLATE.format(
                    UNIVERSE_DOMAIN=client._DEFAULT_UNIVERSE
                )
            else:
                expected_client_cert_source = client_cert_source_callback
                expected_host = client.DEFAULT_MTLS_ENDPOINT

            patched.assert_called_once_with(
                credentials=None,
                credentials_file=None,
                host=expected_host,
                scopes=None,
                client_cert_source_for_mtls=expected_client_cert_source,
                quota_project_id=None,
                client_info=transports.base.DEFAULT_CLIENT_INFO,
                always_use_jwt_access=True,
                api_audience=None,
            )

    # Check the case ADC client cert is provided. Whether client cert is used depends on
    # GOOGLE_API_USE_CLIENT_CERTIFICATE value.
    with mock.patch.dict(
        os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": use_client_cert_env}
    ):
        with mock.patch.object(transport_class, "__init__") as patched:
            with mock.patch(
                "google.auth.transport.mtls.has_default_client_cert_source",
                return_value=True,
            ):
                with mock.patch(
                    "google.auth.transport.mtls.default_client_cert_source",
                    return_value=client_cert_source_callback,
                ):
                    if use_client_cert_env == "false":
                        expected_host = client._DEFAULT_ENDPOINT_TEMPLATE.format(
                            UNIVERSE_DOMAIN=client._DEFAULT_UNIVERSE
                        )
                        expected_client_cert_source = None
                    else:
                        expected_host = client.DEFAULT_MTLS_ENDPOINT
                        expected_client_cert_source = client_cert_source_callback

                    patched.return_value = None
                    client = client_class(transport=transport_name)
                    patched.assert_called_once_with(
                        credentials=None,
                        credentials_file=None,
                        host=expected_host,
                        scopes=None,
                        client_cert_source_for_mtls=expected_client_cert_source,
                        quota_project_id=None,
                        client_info=transports.base.DEFAULT_CLIENT_INFO,
                        always_use_jwt_access=True,
                        api_audience=None,
                    )

    # Check the case client_cert_source and ADC client cert are not provided.
    with mock.patch.dict(
        os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": use_client_cert_env}
    ):
        with mock.patch.object(transport_class, "__init__") as patched:
            with mock.patch(
                "google.auth.transport.mtls.has_default_client_cert_source",
                return_value=False,
            ):
                patched.return_value = None
                client = client_class(transport=transport_name)
                patched.assert_called_once_with(
                    credentials=None,
                    credentials_file=None,
                    host=client._DEFAULT_ENDPOINT_TEMPLATE.format(
                        UNIVERSE_DOMAIN=client._DEFAULT_UNIVERSE
                    ),
                    scopes=None,
                    client_cert_source_for_mtls=None,
                    quota_project_id=None,
                    client_info=transports.base.DEFAULT_CLIENT_INFO,
                    always_use_jwt_access=True,
                    api_audience=None,
                )


@pytest.mark.parametrize(
    "client_class", [InstanceAdminClient, InstanceAdminAsyncClient]
)
@mock.patch.object(
    InstanceAdminClient,
    "DEFAULT_ENDPOINT",
    modify_default_endpoint(InstanceAdminClient),
)
@mock.patch.object(
    InstanceAdminAsyncClient,
    "DEFAULT_ENDPOINT",
    modify_default_endpoint(InstanceAdminAsyncClient),
)
def test_instance_admin_client_get_mtls_endpoint_and_cert_source(client_class):
    mock_client_cert_source = mock.Mock()

    # Test the case GOOGLE_API_USE_CLIENT_CERTIFICATE is "true".
    with mock.patch.dict(os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "true"}):
        mock_api_endpoint = "foo"
        options = client_options.ClientOptions(
            client_cert_source=mock_client_cert_source, api_endpoint=mock_api_endpoint
        )
        api_endpoint, cert_source = client_class.get_mtls_endpoint_and_cert_source(
            options
        )
        assert api_endpoint == mock_api_endpoint
        assert cert_source == mock_client_cert_source

    # Test the case GOOGLE_API_USE_CLIENT_CERTIFICATE is "false".
    with mock.patch.dict(os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "false"}):
        mock_client_cert_source = mock.Mock()
        mock_api_endpoint = "foo"
        options = client_options.ClientOptions(
            client_cert_source=mock_client_cert_source, api_endpoint=mock_api_endpoint
        )
        api_endpoint, cert_source = client_class.get_mtls_endpoint_and_cert_source(
            options
        )
        assert api_endpoint == mock_api_endpoint
        assert cert_source is None

    # Test the case GOOGLE_API_USE_CLIENT_CERTIFICATE is "Unsupported".
    with mock.patch.dict(
        os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "Unsupported"}
    ):
        if hasattr(google.auth.transport.mtls, "should_use_client_cert"):
            mock_client_cert_source = mock.Mock()
            mock_api_endpoint = "foo"
            options = client_options.ClientOptions(
                client_cert_source=mock_client_cert_source,
                api_endpoint=mock_api_endpoint,
            )
            api_endpoint, cert_source = client_class.get_mtls_endpoint_and_cert_source(
                options
            )
            assert api_endpoint == mock_api_endpoint
            assert cert_source is None

    # Test cases for mTLS enablement when GOOGLE_API_USE_CLIENT_CERTIFICATE is unset.
    test_cases = [
        (
            # With workloads present in config, mTLS is enabled.
            {
                "version": 1,
                "cert_configs": {
                    "workload": {
                        "cert_path": "path/to/cert/file",
                        "key_path": "path/to/key/file",
                    }
                },
            },
            mock_client_cert_source,
        ),
        (
            # With workloads not present in config, mTLS is disabled.
            {
                "version": 1,
                "cert_configs": {},
            },
            None,
        ),
    ]
    if hasattr(google.auth.transport.mtls, "should_use_client_cert"):
        for config_data, expected_cert_source in test_cases:
            env = os.environ.copy()
            env.pop("GOOGLE_API_USE_CLIENT_CERTIFICATE", None)
            with mock.patch.dict(os.environ, env, clear=True):
                config_filename = "mock_certificate_config.json"
                config_file_content = json.dumps(config_data)
                m = mock.mock_open(read_data=config_file_content)
                with mock.patch("builtins.open", m):
                    with mock.patch.dict(
                        os.environ, {"GOOGLE_API_CERTIFICATE_CONFIG": config_filename}
                    ):
                        mock_api_endpoint = "foo"
                        options = client_options.ClientOptions(
                            client_cert_source=mock_client_cert_source,
                            api_endpoint=mock_api_endpoint,
                        )
                        (
                            api_endpoint,
                            cert_source,
                        ) = client_class.get_mtls_endpoint_and_cert_source(options)
                        assert api_endpoint == mock_api_endpoint
                        assert cert_source is expected_cert_source

    # Test cases for mTLS enablement when GOOGLE_API_USE_CLIENT_CERTIFICATE is unset(empty).
    test_cases = [
        (
            # With workloads present in config, mTLS is enabled.
            {
                "version": 1,
                "cert_configs": {
                    "workload": {
                        "cert_path": "path/to/cert/file",
                        "key_path": "path/to/key/file",
                    }
                },
            },
            mock_client_cert_source,
        ),
        (
            # With workloads not present in config, mTLS is disabled.
            {
                "version": 1,
                "cert_configs": {},
            },
            None,
        ),
    ]
    if hasattr(google.auth.transport.mtls, "should_use_client_cert"):
        for config_data, expected_cert_source in test_cases:
            env = os.environ.copy()
            env.pop("GOOGLE_API_USE_CLIENT_CERTIFICATE", "")
            with mock.patch.dict(os.environ, env, clear=True):
                config_filename = "mock_certificate_config.json"
                config_file_content = json.dumps(config_data)
                m = mock.mock_open(read_data=config_file_content)
                with mock.patch("builtins.open", m):
                    with mock.patch.dict(
                        os.environ, {"GOOGLE_API_CERTIFICATE_CONFIG": config_filename}
                    ):
                        mock_api_endpoint = "foo"
                        options = client_options.ClientOptions(
                            client_cert_source=mock_client_cert_source,
                            api_endpoint=mock_api_endpoint,
                        )
                        (
                            api_endpoint,
                            cert_source,
                        ) = client_class.get_mtls_endpoint_and_cert_source(options)
                        assert api_endpoint == mock_api_endpoint
                        assert cert_source is expected_cert_source

    # Test the case GOOGLE_API_USE_MTLS_ENDPOINT is "never".
    with mock.patch.dict(os.environ, {"GOOGLE_API_USE_MTLS_ENDPOINT": "never"}):
        api_endpoint, cert_source = client_class.get_mtls_endpoint_and_cert_source()
        assert api_endpoint == client_class.DEFAULT_ENDPOINT
        assert cert_source is None

    # Test the case GOOGLE_API_USE_MTLS_ENDPOINT is "always".
    with mock.patch.dict(os.environ, {"GOOGLE_API_USE_MTLS_ENDPOINT": "always"}):
        api_endpoint, cert_source = client_class.get_mtls_endpoint_and_cert_source()
        assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
        assert cert_source is None

    # Test the case GOOGLE_API_USE_MTLS_ENDPOINT is "auto" and default cert doesn't exist.
    with mock.patch.dict(os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "true"}):
        with mock.patch(
            "google.auth.transport.mtls.has_default_client_cert_source",
            return_value=False,
        ):
            api_endpoint, cert_source = client_class.get_mtls_endpoint_and_cert_source()
            assert api_endpoint == client_class.DEFAULT_ENDPOINT
            assert cert_source is None

    # Test the case GOOGLE_API_USE_MTLS_ENDPOINT is "auto" and default cert exists.
    with mock.patch.dict(os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "true"}):
        with mock.patch(
            "google.auth.transport.mtls.has_default_client_cert_source",
            return_value=True,
        ):
            with mock.patch(
                "google.auth.transport.mtls.default_client_cert_source",
                return_value=mock_client_cert_source,
            ):
                (
                    api_endpoint,
                    cert_source,
                ) = client_class.get_mtls_endpoint_and_cert_source()
                assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                assert cert_source == mock_client_cert_source

    # Check the case api_endpoint is not provided and GOOGLE_API_USE_MTLS_ENDPOINT has
    # unsupported value.
    with mock.patch.dict(os.environ, {"GOOGLE_API_USE_MTLS_ENDPOINT": "Unsupported"}):
        with pytest.raises(MutualTLSChannelError) as excinfo:
            client_class.get_mtls_endpoint_and_cert_source()

        assert (
            str(excinfo.value)
            == "Environment variable `GOOGLE_API_USE_MTLS_ENDPOINT` must be `never`, `auto` or `always`"
        )


@pytest.mark.parametrize(
    "client_class", [InstanceAdminClient, InstanceAdminAsyncClient]
)
@mock.patch.object(
    InstanceAdminClient,
    "_DEFAULT_ENDPOINT_TEMPLATE",
    modify_default_endpoint_template(InstanceAdminClient),
)
@mock.patch.object(
    InstanceAdminAsyncClient,
    "_DEFAULT_ENDPOINT_TEMPLATE",
    modify_default_endpoint_template(InstanceAdminAsyncClient),
)
def test_instance_admin_client_client_api_endpoint(client_class):
    mock_client_cert_source = client_cert_source_callback
    api_override = "foo.com"
    default_universe = InstanceAdminClient._DEFAULT_UNIVERSE
    default_endpoint = InstanceAdminClient._DEFAULT_ENDPOINT_TEMPLATE.format(
        UNIVERSE_DOMAIN=default_universe
    )
    mock_universe = "bar.com"
    mock_endpoint = InstanceAdminClient._DEFAULT_ENDPOINT_TEMPLATE.format(
        UNIVERSE_DOMAIN=mock_universe
    )

    # If ClientOptions.api_endpoint is set and GOOGLE_API_USE_CLIENT_CERTIFICATE="true",
    # use ClientOptions.api_endpoint as the api endpoint regardless.
    with mock.patch.dict(os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "true"}):
        with mock.patch(
            "google.auth.transport.requests.AuthorizedSession.configure_mtls_channel"
        ):
            options = client_options.ClientOptions(
                client_cert_source=mock_client_cert_source, api_endpoint=api_override
            )
            client = client_class(
                client_options=options,
                credentials=ga_credentials.AnonymousCredentials(),
            )
            assert client.api_endpoint == api_override

    # If ClientOptions.api_endpoint is not set and GOOGLE_API_USE_MTLS_ENDPOINT="never",
    # use the _DEFAULT_ENDPOINT_TEMPLATE populated with GDU as the api endpoint.
    with mock.patch.dict(os.environ, {"GOOGLE_API_USE_MTLS_ENDPOINT": "never"}):
        client = client_class(credentials=ga_credentials.AnonymousCredentials())
        assert client.api_endpoint == default_endpoint

    # If ClientOptions.api_endpoint is not set and GOOGLE_API_USE_MTLS_ENDPOINT="always",
    # use the DEFAULT_MTLS_ENDPOINT as the api endpoint.
    with mock.patch.dict(os.environ, {"GOOGLE_API_USE_MTLS_ENDPOINT": "always"}):
        client = client_class(credentials=ga_credentials.AnonymousCredentials())
        assert client.api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT

    # If ClientOptions.api_endpoint is not set, GOOGLE_API_USE_MTLS_ENDPOINT="auto" (default),
    # GOOGLE_API_USE_CLIENT_CERTIFICATE="false" (default), default cert source doesn't exist,
    # and ClientOptions.universe_domain="bar.com",
    # use the _DEFAULT_ENDPOINT_TEMPLATE populated with universe domain as the api endpoint.
    options = client_options.ClientOptions()
    universe_exists = hasattr(options, "universe_domain")
    if universe_exists:
        options = client_options.ClientOptions(universe_domain=mock_universe)
        client = client_class(
            client_options=options, credentials=ga_credentials.AnonymousCredentials()
        )
    else:
        client = client_class(
            client_options=options, credentials=ga_credentials.AnonymousCredentials()
        )
    assert client.api_endpoint == (
        mock_endpoint if universe_exists else default_endpoint
    )
    assert client.universe_domain == (
        mock_universe if universe_exists else default_universe
    )

    # If ClientOptions does not have a universe domain attribute and GOOGLE_API_USE_MTLS_ENDPOINT="never",
    # use the _DEFAULT_ENDPOINT_TEMPLATE populated with GDU as the api endpoint.
    options = client_options.ClientOptions()
    if hasattr(options, "universe_domain"):
        delattr(options, "universe_domain")
    with mock.patch.dict(os.environ, {"GOOGLE_API_USE_MTLS_ENDPOINT": "never"}):
        client = client_class(
            client_options=options, credentials=ga_credentials.AnonymousCredentials()
        )
        assert client.api_endpoint == default_endpoint


@pytest.mark.parametrize(
    "client_class,transport_class,transport_name",
    [
        (InstanceAdminClient, transports.InstanceAdminGrpcTransport, "grpc"),
        (
            InstanceAdminAsyncClient,
            transports.InstanceAdminGrpcAsyncIOTransport,
            "grpc_asyncio",
        ),
        (InstanceAdminClient, transports.InstanceAdminRestTransport, "rest"),
    ],
)
def test_instance_admin_client_client_options_scopes(
    client_class, transport_class, transport_name
):
    # Check the case scopes are provided.
    options = client_options.ClientOptions(
        scopes=["1", "2"],
    )
    with mock.patch.object(transport_class, "__init__") as patched:
        patched.return_value = None
        client = client_class(client_options=options, transport=transport_name)
        patched.assert_called_once_with(
            credentials=None,
            credentials_file=None,
            host=client._DEFAULT_ENDPOINT_TEMPLATE.format(
                UNIVERSE_DOMAIN=client._DEFAULT_UNIVERSE
            ),
            scopes=["1", "2"],
            client_cert_source_for_mtls=None,
            quota_project_id=None,
            client_info=transports.base.DEFAULT_CLIENT_INFO,
            always_use_jwt_access=True,
            api_audience=None,
        )


@pytest.mark.parametrize(
    "client_class,transport_class,transport_name,grpc_helpers",
    [
        (
            InstanceAdminClient,
            transports.InstanceAdminGrpcTransport,
            "grpc",
            grpc_helpers,
        ),
        (
            InstanceAdminAsyncClient,
            transports.InstanceAdminGrpcAsyncIOTransport,
            "grpc_asyncio",
            grpc_helpers_async,
        ),
        (InstanceAdminClient, transports.InstanceAdminRestTransport, "rest", None),
    ],
)
def test_instance_admin_client_client_options_credentials_file(
    client_class, transport_class, transport_name, grpc_helpers
):
    # Check the case credentials file is provided.
    options = client_options.ClientOptions(credentials_file="credentials.json")

    with mock.patch.object(transport_class, "__init__") as patched:
        patched.return_value = None
        client = client_class(client_options=options, transport=transport_name)
        patched.assert_called_once_with(
            credentials=None,
            credentials_file="credentials.json",
            host=client._DEFAULT_ENDPOINT_TEMPLATE.format(
                UNIVERSE_DOMAIN=client._DEFAULT_UNIVERSE
            ),
            scopes=None,
            client_cert_source_for_mtls=None,
            quota_project_id=None,
            client_info=transports.base.DEFAULT_CLIENT_INFO,
            always_use_jwt_access=True,
            api_audience=None,
        )


def test_instance_admin_client_client_options_from_dict():
    with mock.patch(
        "google.cloud.spanner_admin_instance_v1.services.instance_admin.transports.InstanceAdminGrpcTransport.__init__"
    ) as grpc_transport:
        grpc_transport.return_value = None
        client = InstanceAdminClient(
            client_options={"api_endpoint": "squid.clam.whelk"}
        )
        grpc_transport.assert_called_once_with(
            credentials=None,
            credentials_file=None,
            host="squid.clam.whelk",
            scopes=None,
            client_cert_source_for_mtls=None,
            quota_project_id=None,
            client_info=transports.base.DEFAULT_CLIENT_INFO,
            always_use_jwt_access=True,
            api_audience=None,
        )


@pytest.mark.parametrize(
    "client_class,transport_class,transport_name,grpc_helpers",
    [
        (
            InstanceAdminClient,
            transports.InstanceAdminGrpcTransport,
            "grpc",
            grpc_helpers,
        ),
        (
            InstanceAdminAsyncClient,
            transports.InstanceAdminGrpcAsyncIOTransport,
            "grpc_asyncio",
            grpc_helpers_async,
        ),
    ],
)
def test_instance_admin_client_create_channel_credentials_file(
    client_class, transport_class, transport_name, grpc_helpers
):
    # Check the case credentials file is provided.
    options = client_options.ClientOptions(credentials_file="credentials.json")

    with mock.patch.object(transport_class, "__init__") as patched:
        patched.return_value = None
        client = client_class(client_options=options, transport=transport_name)
        patched.assert_called_once_with(
            credentials=None,
            credentials_file="credentials.json",
            host=client._DEFAULT_ENDPOINT_TEMPLATE.format(
                UNIVERSE_DOMAIN=client._DEFAULT_UNIVERSE
            ),
            scopes=None,
            client_cert_source_for_mtls=None,
            quota_project_id=None,
            client_info=transports.base.DEFAULT_CLIENT_INFO,
            always_use_jwt_access=True,
            api_audience=None,
        )

    # test that the credentials from file are saved and used as the credentials.
    with mock.patch.object(
        google.auth, "load_credentials_from_file", autospec=True
    ) as load_creds, mock.patch.object(
        google.auth, "default", autospec=True
    ) as adc, mock.patch.object(
        grpc_helpers, "create_channel"
    ) as create_channel:
        creds = ga_credentials.AnonymousCredentials()
        file_creds = ga_credentials.AnonymousCredentials()
        load_creds.return_value = (file_creds, None)
        adc.return_value = (creds, None)
        client = client_class(client_options=options, transport=transport_name)
        create_channel.assert_called_with(
            "spanner.googleapis.com:443",
            credentials=file_creds,
            credentials_file=None,
            quota_project_id=None,
            default_scopes=(
                "https://www.googleapis.com/auth/cloud-platform",
                "https://www.googleapis.com/auth/spanner.admin",
            ),
            scopes=None,
            default_host="spanner.googleapis.com",
            ssl_credentials=None,
            options=[
                ("grpc.max_send_message_length", -1),
                ("grpc.max_receive_message_length", -1),
                ("grpc.keepalive_time_ms", 120000),
            ],
        )


@pytest.mark.parametrize(
    "request_type",
    [
        spanner_instance_admin.ListInstanceConfigsRequest,
        dict,
    ],
)
def test_list_instance_configs(request_type, transport: str = "grpc"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = request_type()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_configs), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = spanner_instance_admin.ListInstanceConfigsResponse(
            next_page_token="next_page_token_value",
        )
        response = client.list_instance_configs(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        request = spanner_instance_admin.ListInstanceConfigsRequest()
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert isinstance(response, pagers.ListInstanceConfigsPager)
    assert response.next_page_token == "next_page_token_value"


def test_list_instance_configs_non_empty_request_with_auto_populated_field():
    # This test is a coverage failsafe to make sure that UUID4 fields are
    # automatically populated, according to AIP-4235, with non-empty requests.
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="grpc",
    )

    # Populate all string fields in the request which are not UUID4
    # since we want to check that UUID4 are populated automatically
    # if they meet the requirements of AIP 4235.
    request = spanner_instance_admin.ListInstanceConfigsRequest(
        parent="parent_value",
        page_token="page_token_value",
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_configs), "__call__"
    ) as call:
        call.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client.list_instance_configs(request=request)
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        assert args[0] == spanner_instance_admin.ListInstanceConfigsRequest(
            parent="parent_value",
            page_token="page_token_value",
        )


def test_list_instance_configs_use_cached_wrapped_rpc():
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method.wrap_method") as wrapper_fn:
        client = InstanceAdminClient(
            credentials=ga_credentials.AnonymousCredentials(),
            transport="grpc",
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._transport.list_instance_configs
            in client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.Mock()
        mock_rpc.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client._transport._wrapped_methods[
            client._transport.list_instance_configs
        ] = mock_rpc
        request = {}
        client.list_instance_configs(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        client.list_instance_configs(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


@pytest.mark.asyncio
async def test_list_instance_configs_async_use_cached_wrapped_rpc(
    transport: str = "grpc_asyncio",
):
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method_async.wrap_method") as wrapper_fn:
        client = InstanceAdminAsyncClient(
            credentials=async_anonymous_credentials(),
            transport=transport,
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._client._transport.list_instance_configs
            in client._client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.AsyncMock()
        mock_rpc.return_value = mock.Mock()
        client._client._transport._wrapped_methods[
            client._client._transport.list_instance_configs
        ] = mock_rpc

        request = {}
        await client.list_instance_configs(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        await client.list_instance_configs(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


@pytest.mark.asyncio
async def test_list_instance_configs_async(
    transport: str = "grpc_asyncio",
    request_type=spanner_instance_admin.ListInstanceConfigsRequest,
):
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = request_type()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_configs), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            spanner_instance_admin.ListInstanceConfigsResponse(
                next_page_token="next_page_token_value",
            )
        )
        response = await client.list_instance_configs(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        request = spanner_instance_admin.ListInstanceConfigsRequest()
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert isinstance(response, pagers.ListInstanceConfigsAsyncPager)
    assert response.next_page_token == "next_page_token_value"


@pytest.mark.asyncio
async def test_list_instance_configs_async_from_dict():
    await test_list_instance_configs_async(request_type=dict)


def test_list_instance_configs_field_headers():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = spanner_instance_admin.ListInstanceConfigsRequest()

    request.parent = "parent_value"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_configs), "__call__"
    ) as call:
        call.return_value = spanner_instance_admin.ListInstanceConfigsResponse()
        client.list_instance_configs(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "parent=parent_value",
    ) in kw["metadata"]


@pytest.mark.asyncio
async def test_list_instance_configs_field_headers_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = spanner_instance_admin.ListInstanceConfigsRequest()

    request.parent = "parent_value"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_configs), "__call__"
    ) as call:
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            spanner_instance_admin.ListInstanceConfigsResponse()
        )
        await client.list_instance_configs(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "parent=parent_value",
    ) in kw["metadata"]


def test_list_instance_configs_flattened():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_configs), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = spanner_instance_admin.ListInstanceConfigsResponse()
        # Call the method with a truthy value for each flattened field,
        # using the keyword arguments to the method.
        client.list_instance_configs(
            parent="parent_value",
        )

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        arg = args[0].parent
        mock_val = "parent_value"
        assert arg == mock_val


def test_list_instance_configs_flattened_error():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.list_instance_configs(
            spanner_instance_admin.ListInstanceConfigsRequest(),
            parent="parent_value",
        )


@pytest.mark.asyncio
async def test_list_instance_configs_flattened_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_configs), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = spanner_instance_admin.ListInstanceConfigsResponse()

        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            spanner_instance_admin.ListInstanceConfigsResponse()
        )
        # Call the method with a truthy value for each flattened field,
        # using the keyword arguments to the method.
        response = await client.list_instance_configs(
            parent="parent_value",
        )

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        arg = args[0].parent
        mock_val = "parent_value"
        assert arg == mock_val


@pytest.mark.asyncio
async def test_list_instance_configs_flattened_error_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        await client.list_instance_configs(
            spanner_instance_admin.ListInstanceConfigsRequest(),
            parent="parent_value",
        )


def test_list_instance_configs_pager(transport_name: str = "grpc"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport_name,
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_configs), "__call__"
    ) as call:
        # Set the response to a series of pages.
        call.side_effect = (
            spanner_instance_admin.ListInstanceConfigsResponse(
                instance_configs=[
                    spanner_instance_admin.InstanceConfig(),
                    spanner_instance_admin.InstanceConfig(),
                    spanner_instance_admin.InstanceConfig(),
                ],
                next_page_token="abc",
            ),
            spanner_instance_admin.ListInstanceConfigsResponse(
                instance_configs=[],
                next_page_token="def",
            ),
            spanner_instance_admin.ListInstanceConfigsResponse(
                instance_configs=[
                    spanner_instance_admin.InstanceConfig(),
                ],
                next_page_token="ghi",
            ),
            spanner_instance_admin.ListInstanceConfigsResponse(
                instance_configs=[
                    spanner_instance_admin.InstanceConfig(),
                    spanner_instance_admin.InstanceConfig(),
                ],
            ),
            RuntimeError,
        )

        expected_metadata = ()
        retry = retries.Retry()
        timeout = 5
        expected_metadata = tuple(expected_metadata) + (
            gapic_v1.routing_header.to_grpc_metadata((("parent", ""),)),
        )
        pager = client.list_instance_configs(request={}, retry=retry, timeout=timeout)

        assert pager._metadata == expected_metadata
        assert pager._retry == retry
        assert pager._timeout == timeout

        results = list(pager)
        assert len(results) == 6
        assert all(
            isinstance(i, spanner_instance_admin.InstanceConfig) for i in results
        )


def test_list_instance_configs_pages(transport_name: str = "grpc"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport_name,
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_configs), "__call__"
    ) as call:
        # Set the response to a series of pages.
        call.side_effect = (
            spanner_instance_admin.ListInstanceConfigsResponse(
                instance_configs=[
                    spanner_instance_admin.InstanceConfig(),
                    spanner_instance_admin.InstanceConfig(),
                    spanner_instance_admin.InstanceConfig(),
                ],
                next_page_token="abc",
            ),
            spanner_instance_admin.ListInstanceConfigsResponse(
                instance_configs=[],
                next_page_token="def",
            ),
            spanner_instance_admin.ListInstanceConfigsResponse(
                instance_configs=[
                    spanner_instance_admin.InstanceConfig(),
                ],
                next_page_token="ghi",
            ),
            spanner_instance_admin.ListInstanceConfigsResponse(
                instance_configs=[
                    spanner_instance_admin.InstanceConfig(),
                    spanner_instance_admin.InstanceConfig(),
                ],
            ),
            RuntimeError,
        )
        pages = list(client.list_instance_configs(request={}).pages)
        for page_, token in zip(pages, ["abc", "def", "ghi", ""]):
            assert page_.raw_page.next_page_token == token


@pytest.mark.asyncio
async def test_list_instance_configs_async_pager():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_configs),
        "__call__",
        new_callable=mock.AsyncMock,
    ) as call:
        # Set the response to a series of pages.
        call.side_effect = (
            spanner_instance_admin.ListInstanceConfigsResponse(
                instance_configs=[
                    spanner_instance_admin.InstanceConfig(),
                    spanner_instance_admin.InstanceConfig(),
                    spanner_instance_admin.InstanceConfig(),
                ],
                next_page_token="abc",
            ),
            spanner_instance_admin.ListInstanceConfigsResponse(
                instance_configs=[],
                next_page_token="def",
            ),
            spanner_instance_admin.ListInstanceConfigsResponse(
                instance_configs=[
                    spanner_instance_admin.InstanceConfig(),
                ],
                next_page_token="ghi",
            ),
            spanner_instance_admin.ListInstanceConfigsResponse(
                instance_configs=[
                    spanner_instance_admin.InstanceConfig(),
                    spanner_instance_admin.InstanceConfig(),
                ],
            ),
            RuntimeError,
        )
        async_pager = await client.list_instance_configs(
            request={},
        )
        assert async_pager.next_page_token == "abc"
        responses = []
        async for response in async_pager:  # pragma: no branch
            responses.append(response)

        assert len(responses) == 6
        assert all(
            isinstance(i, spanner_instance_admin.InstanceConfig) for i in responses
        )


@pytest.mark.asyncio
async def test_list_instance_configs_async_pages():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_configs),
        "__call__",
        new_callable=mock.AsyncMock,
    ) as call:
        # Set the response to a series of pages.
        call.side_effect = (
            spanner_instance_admin.ListInstanceConfigsResponse(
                instance_configs=[
                    spanner_instance_admin.InstanceConfig(),
                    spanner_instance_admin.InstanceConfig(),
                    spanner_instance_admin.InstanceConfig(),
                ],
                next_page_token="abc",
            ),
            spanner_instance_admin.ListInstanceConfigsResponse(
                instance_configs=[],
                next_page_token="def",
            ),
            spanner_instance_admin.ListInstanceConfigsResponse(
                instance_configs=[
                    spanner_instance_admin.InstanceConfig(),
                ],
                next_page_token="ghi",
            ),
            spanner_instance_admin.ListInstanceConfigsResponse(
                instance_configs=[
                    spanner_instance_admin.InstanceConfig(),
                    spanner_instance_admin.InstanceConfig(),
                ],
            ),
            RuntimeError,
        )
        pages = []
        # Workaround issue in python 3.9 related to code coverage by adding `# pragma: no branch`
        # See https://github.com/googleapis/gapic-generator-python/pull/1174#issuecomment-1025132372
        async for page_ in (  # pragma: no branch
            await client.list_instance_configs(request={})
        ).pages:
            pages.append(page_)
        for page_, token in zip(pages, ["abc", "def", "ghi", ""]):
            assert page_.raw_page.next_page_token == token


@pytest.mark.parametrize(
    "request_type",
    [
        spanner_instance_admin.GetInstanceConfigRequest,
        dict,
    ],
)
def test_get_instance_config(request_type, transport: str = "grpc"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = request_type()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.get_instance_config), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = spanner_instance_admin.InstanceConfig(
            name="name_value",
            display_name="display_name_value",
            config_type=spanner_instance_admin.InstanceConfig.Type.GOOGLE_MANAGED,
            base_config="base_config_value",
            etag="etag_value",
            leader_options=["leader_options_value"],
            reconciling=True,
            state=spanner_instance_admin.InstanceConfig.State.CREATING,
            free_instance_availability=spanner_instance_admin.InstanceConfig.FreeInstanceAvailability.AVAILABLE,
            quorum_type=spanner_instance_admin.InstanceConfig.QuorumType.REGION,
            storage_limit_per_processing_unit=3540,
        )
        response = client.get_instance_config(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        request = spanner_instance_admin.GetInstanceConfigRequest()
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert isinstance(response, spanner_instance_admin.InstanceConfig)
    assert response.name == "name_value"
    assert response.display_name == "display_name_value"
    assert (
        response.config_type
        == spanner_instance_admin.InstanceConfig.Type.GOOGLE_MANAGED
    )
    assert response.base_config == "base_config_value"
    assert response.etag == "etag_value"
    assert response.leader_options == ["leader_options_value"]
    assert response.reconciling is True
    assert response.state == spanner_instance_admin.InstanceConfig.State.CREATING
    assert (
        response.free_instance_availability
        == spanner_instance_admin.InstanceConfig.FreeInstanceAvailability.AVAILABLE
    )
    assert (
        response.quorum_type == spanner_instance_admin.InstanceConfig.QuorumType.REGION
    )
    assert response.storage_limit_per_processing_unit == 3540


def test_get_instance_config_non_empty_request_with_auto_populated_field():
    # This test is a coverage failsafe to make sure that UUID4 fields are
    # automatically populated, according to AIP-4235, with non-empty requests.
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="grpc",
    )

    # Populate all string fields in the request which are not UUID4
    # since we want to check that UUID4 are populated automatically
    # if they meet the requirements of AIP 4235.
    request = spanner_instance_admin.GetInstanceConfigRequest(
        name="name_value",
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.get_instance_config), "__call__"
    ) as call:
        call.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client.get_instance_config(request=request)
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        assert args[0] == spanner_instance_admin.GetInstanceConfigRequest(
            name="name_value",
        )


def test_get_instance_config_use_cached_wrapped_rpc():
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method.wrap_method") as wrapper_fn:
        client = InstanceAdminClient(
            credentials=ga_credentials.AnonymousCredentials(),
            transport="grpc",
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._transport.get_instance_config in client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.Mock()
        mock_rpc.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client._transport._wrapped_methods[
            client._transport.get_instance_config
        ] = mock_rpc
        request = {}
        client.get_instance_config(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        client.get_instance_config(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


@pytest.mark.asyncio
async def test_get_instance_config_async_use_cached_wrapped_rpc(
    transport: str = "grpc_asyncio",
):
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method_async.wrap_method") as wrapper_fn:
        client = InstanceAdminAsyncClient(
            credentials=async_anonymous_credentials(),
            transport=transport,
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._client._transport.get_instance_config
            in client._client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.AsyncMock()
        mock_rpc.return_value = mock.Mock()
        client._client._transport._wrapped_methods[
            client._client._transport.get_instance_config
        ] = mock_rpc

        request = {}
        await client.get_instance_config(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        await client.get_instance_config(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


@pytest.mark.asyncio
async def test_get_instance_config_async(
    transport: str = "grpc_asyncio",
    request_type=spanner_instance_admin.GetInstanceConfigRequest,
):
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = request_type()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.get_instance_config), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            spanner_instance_admin.InstanceConfig(
                name="name_value",
                display_name="display_name_value",
                config_type=spanner_instance_admin.InstanceConfig.Type.GOOGLE_MANAGED,
                base_config="base_config_value",
                etag="etag_value",
                leader_options=["leader_options_value"],
                reconciling=True,
                state=spanner_instance_admin.InstanceConfig.State.CREATING,
                free_instance_availability=spanner_instance_admin.InstanceConfig.FreeInstanceAvailability.AVAILABLE,
                quorum_type=spanner_instance_admin.InstanceConfig.QuorumType.REGION,
                storage_limit_per_processing_unit=3540,
            )
        )
        response = await client.get_instance_config(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        request = spanner_instance_admin.GetInstanceConfigRequest()
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert isinstance(response, spanner_instance_admin.InstanceConfig)
    assert response.name == "name_value"
    assert response.display_name == "display_name_value"
    assert (
        response.config_type
        == spanner_instance_admin.InstanceConfig.Type.GOOGLE_MANAGED
    )
    assert response.base_config == "base_config_value"
    assert response.etag == "etag_value"
    assert response.leader_options == ["leader_options_value"]
    assert response.reconciling is True
    assert response.state == spanner_instance_admin.InstanceConfig.State.CREATING
    assert (
        response.free_instance_availability
        == spanner_instance_admin.InstanceConfig.FreeInstanceAvailability.AVAILABLE
    )
    assert (
        response.quorum_type == spanner_instance_admin.InstanceConfig.QuorumType.REGION
    )
    assert response.storage_limit_per_processing_unit == 3540


@pytest.mark.asyncio
async def test_get_instance_config_async_from_dict():
    await test_get_instance_config_async(request_type=dict)


def test_get_instance_config_field_headers():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = spanner_instance_admin.GetInstanceConfigRequest()

    request.name = "name_value"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.get_instance_config), "__call__"
    ) as call:
        call.return_value = spanner_instance_admin.InstanceConfig()
        client.get_instance_config(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "name=name_value",
    ) in kw["metadata"]


@pytest.mark.asyncio
async def test_get_instance_config_field_headers_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = spanner_instance_admin.GetInstanceConfigRequest()

    request.name = "name_value"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.get_instance_config), "__call__"
    ) as call:
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            spanner_instance_admin.InstanceConfig()
        )
        await client.get_instance_config(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "name=name_value",
    ) in kw["metadata"]


def test_get_instance_config_flattened():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.get_instance_config), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = spanner_instance_admin.InstanceConfig()
        # Call the method with a truthy value for each flattened field,
        # using the keyword arguments to the method.
        client.get_instance_config(
            name="name_value",
        )

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        arg = args[0].name
        mock_val = "name_value"
        assert arg == mock_val


def test_get_instance_config_flattened_error():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.get_instance_config(
            spanner_instance_admin.GetInstanceConfigRequest(),
            name="name_value",
        )


@pytest.mark.asyncio
async def test_get_instance_config_flattened_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.get_instance_config), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = spanner_instance_admin.InstanceConfig()

        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            spanner_instance_admin.InstanceConfig()
        )
        # Call the method with a truthy value for each flattened field,
        # using the keyword arguments to the method.
        response = await client.get_instance_config(
            name="name_value",
        )

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        arg = args[0].name
        mock_val = "name_value"
        assert arg == mock_val


@pytest.mark.asyncio
async def test_get_instance_config_flattened_error_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        await client.get_instance_config(
            spanner_instance_admin.GetInstanceConfigRequest(),
            name="name_value",
        )


@pytest.mark.parametrize(
    "request_type",
    [
        spanner_instance_admin.CreateInstanceConfigRequest,
        dict,
    ],
)
def test_create_instance_config(request_type, transport: str = "grpc"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = request_type()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.create_instance_config), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = operations_pb2.Operation(name="operations/spam")
        response = client.create_instance_config(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        request = spanner_instance_admin.CreateInstanceConfigRequest()
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert isinstance(response, future.Future)


def test_create_instance_config_non_empty_request_with_auto_populated_field():
    # This test is a coverage failsafe to make sure that UUID4 fields are
    # automatically populated, according to AIP-4235, with non-empty requests.
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="grpc",
    )

    # Populate all string fields in the request which are not UUID4
    # since we want to check that UUID4 are populated automatically
    # if they meet the requirements of AIP 4235.
    request = spanner_instance_admin.CreateInstanceConfigRequest(
        parent="parent_value",
        instance_config_id="instance_config_id_value",
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.create_instance_config), "__call__"
    ) as call:
        call.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client.create_instance_config(request=request)
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        assert args[0] == spanner_instance_admin.CreateInstanceConfigRequest(
            parent="parent_value",
            instance_config_id="instance_config_id_value",
        )


def test_create_instance_config_use_cached_wrapped_rpc():
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method.wrap_method") as wrapper_fn:
        client = InstanceAdminClient(
            credentials=ga_credentials.AnonymousCredentials(),
            transport="grpc",
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._transport.create_instance_config
            in client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.Mock()
        mock_rpc.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client._transport._wrapped_methods[
            client._transport.create_instance_config
        ] = mock_rpc
        request = {}
        client.create_instance_config(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        # Operation methods call wrapper_fn to build a cached
        # client._transport.operations_client instance on first rpc call.
        # Subsequent calls should use the cached wrapper
        wrapper_fn.reset_mock()

        client.create_instance_config(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


@pytest.mark.asyncio
async def test_create_instance_config_async_use_cached_wrapped_rpc(
    transport: str = "grpc_asyncio",
):
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method_async.wrap_method") as wrapper_fn:
        client = InstanceAdminAsyncClient(
            credentials=async_anonymous_credentials(),
            transport=transport,
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._client._transport.create_instance_config
            in client._client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.AsyncMock()
        mock_rpc.return_value = mock.Mock()
        client._client._transport._wrapped_methods[
            client._client._transport.create_instance_config
        ] = mock_rpc

        request = {}
        await client.create_instance_config(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        # Operation methods call wrapper_fn to build a cached
        # client._transport.operations_client instance on first rpc call.
        # Subsequent calls should use the cached wrapper
        wrapper_fn.reset_mock()

        await client.create_instance_config(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


@pytest.mark.asyncio
async def test_create_instance_config_async(
    transport: str = "grpc_asyncio",
    request_type=spanner_instance_admin.CreateInstanceConfigRequest,
):
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = request_type()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.create_instance_config), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            operations_pb2.Operation(name="operations/spam")
        )
        response = await client.create_instance_config(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        request = spanner_instance_admin.CreateInstanceConfigRequest()
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert isinstance(response, future.Future)


@pytest.mark.asyncio
async def test_create_instance_config_async_from_dict():
    await test_create_instance_config_async(request_type=dict)


def test_create_instance_config_field_headers():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = spanner_instance_admin.CreateInstanceConfigRequest()

    request.parent = "parent_value"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.create_instance_config), "__call__"
    ) as call:
        call.return_value = operations_pb2.Operation(name="operations/op")
        client.create_instance_config(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "parent=parent_value",
    ) in kw["metadata"]


@pytest.mark.asyncio
async def test_create_instance_config_field_headers_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = spanner_instance_admin.CreateInstanceConfigRequest()

    request.parent = "parent_value"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.create_instance_config), "__call__"
    ) as call:
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            operations_pb2.Operation(name="operations/op")
        )
        await client.create_instance_config(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "parent=parent_value",
    ) in kw["metadata"]


def test_create_instance_config_flattened():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.create_instance_config), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = operations_pb2.Operation(name="operations/op")
        # Call the method with a truthy value for each flattened field,
        # using the keyword arguments to the method.
        client.create_instance_config(
            parent="parent_value",
            instance_config=spanner_instance_admin.InstanceConfig(name="name_value"),
            instance_config_id="instance_config_id_value",
        )

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        arg = args[0].parent
        mock_val = "parent_value"
        assert arg == mock_val
        arg = args[0].instance_config
        mock_val = spanner_instance_admin.InstanceConfig(name="name_value")
        assert arg == mock_val
        arg = args[0].instance_config_id
        mock_val = "instance_config_id_value"
        assert arg == mock_val


def test_create_instance_config_flattened_error():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.create_instance_config(
            spanner_instance_admin.CreateInstanceConfigRequest(),
            parent="parent_value",
            instance_config=spanner_instance_admin.InstanceConfig(name="name_value"),
            instance_config_id="instance_config_id_value",
        )


@pytest.mark.asyncio
async def test_create_instance_config_flattened_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.create_instance_config), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = operations_pb2.Operation(name="operations/op")

        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            operations_pb2.Operation(name="operations/spam")
        )
        # Call the method with a truthy value for each flattened field,
        # using the keyword arguments to the method.
        response = await client.create_instance_config(
            parent="parent_value",
            instance_config=spanner_instance_admin.InstanceConfig(name="name_value"),
            instance_config_id="instance_config_id_value",
        )

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        arg = args[0].parent
        mock_val = "parent_value"
        assert arg == mock_val
        arg = args[0].instance_config
        mock_val = spanner_instance_admin.InstanceConfig(name="name_value")
        assert arg == mock_val
        arg = args[0].instance_config_id
        mock_val = "instance_config_id_value"
        assert arg == mock_val


@pytest.mark.asyncio
async def test_create_instance_config_flattened_error_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        await client.create_instance_config(
            spanner_instance_admin.CreateInstanceConfigRequest(),
            parent="parent_value",
            instance_config=spanner_instance_admin.InstanceConfig(name="name_value"),
            instance_config_id="instance_config_id_value",
        )


@pytest.mark.parametrize(
    "request_type",
    [
        spanner_instance_admin.UpdateInstanceConfigRequest,
        dict,
    ],
)
def test_update_instance_config(request_type, transport: str = "grpc"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = request_type()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.update_instance_config), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = operations_pb2.Operation(name="operations/spam")
        response = client.update_instance_config(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        request = spanner_instance_admin.UpdateInstanceConfigRequest()
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert isinstance(response, future.Future)


def test_update_instance_config_non_empty_request_with_auto_populated_field():
    # This test is a coverage failsafe to make sure that UUID4 fields are
    # automatically populated, according to AIP-4235, with non-empty requests.
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="grpc",
    )

    # Populate all string fields in the request which are not UUID4
    # since we want to check that UUID4 are populated automatically
    # if they meet the requirements of AIP 4235.
    request = spanner_instance_admin.UpdateInstanceConfigRequest()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.update_instance_config), "__call__"
    ) as call:
        call.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client.update_instance_config(request=request)
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        assert args[0] == spanner_instance_admin.UpdateInstanceConfigRequest()


def test_update_instance_config_use_cached_wrapped_rpc():
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method.wrap_method") as wrapper_fn:
        client = InstanceAdminClient(
            credentials=ga_credentials.AnonymousCredentials(),
            transport="grpc",
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._transport.update_instance_config
            in client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.Mock()
        mock_rpc.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client._transport._wrapped_methods[
            client._transport.update_instance_config
        ] = mock_rpc
        request = {}
        client.update_instance_config(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        # Operation methods call wrapper_fn to build a cached
        # client._transport.operations_client instance on first rpc call.
        # Subsequent calls should use the cached wrapper
        wrapper_fn.reset_mock()

        client.update_instance_config(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


@pytest.mark.asyncio
async def test_update_instance_config_async_use_cached_wrapped_rpc(
    transport: str = "grpc_asyncio",
):
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method_async.wrap_method") as wrapper_fn:
        client = InstanceAdminAsyncClient(
            credentials=async_anonymous_credentials(),
            transport=transport,
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._client._transport.update_instance_config
            in client._client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.AsyncMock()
        mock_rpc.return_value = mock.Mock()
        client._client._transport._wrapped_methods[
            client._client._transport.update_instance_config
        ] = mock_rpc

        request = {}
        await client.update_instance_config(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        # Operation methods call wrapper_fn to build a cached
        # client._transport.operations_client instance on first rpc call.
        # Subsequent calls should use the cached wrapper
        wrapper_fn.reset_mock()

        await client.update_instance_config(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


@pytest.mark.asyncio
async def test_update_instance_config_async(
    transport: str = "grpc_asyncio",
    request_type=spanner_instance_admin.UpdateInstanceConfigRequest,
):
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = request_type()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.update_instance_config), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            operations_pb2.Operation(name="operations/spam")
        )
        response = await client.update_instance_config(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        request = spanner_instance_admin.UpdateInstanceConfigRequest()
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert isinstance(response, future.Future)


@pytest.mark.asyncio
async def test_update_instance_config_async_from_dict():
    await test_update_instance_config_async(request_type=dict)


def test_update_instance_config_field_headers():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = spanner_instance_admin.UpdateInstanceConfigRequest()

    request.instance_config.name = "name_value"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.update_instance_config), "__call__"
    ) as call:
        call.return_value = operations_pb2.Operation(name="operations/op")
        client.update_instance_config(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "instance_config.name=name_value",
    ) in kw["metadata"]


@pytest.mark.asyncio
async def test_update_instance_config_field_headers_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = spanner_instance_admin.UpdateInstanceConfigRequest()

    request.instance_config.name = "name_value"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.update_instance_config), "__call__"
    ) as call:
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            operations_pb2.Operation(name="operations/op")
        )
        await client.update_instance_config(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "instance_config.name=name_value",
    ) in kw["metadata"]


def test_update_instance_config_flattened():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.update_instance_config), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = operations_pb2.Operation(name="operations/op")
        # Call the method with a truthy value for each flattened field,
        # using the keyword arguments to the method.
        client.update_instance_config(
            instance_config=spanner_instance_admin.InstanceConfig(name="name_value"),
            update_mask=field_mask_pb2.FieldMask(paths=["paths_value"]),
        )

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        arg = args[0].instance_config
        mock_val = spanner_instance_admin.InstanceConfig(name="name_value")
        assert arg == mock_val
        arg = args[0].update_mask
        mock_val = field_mask_pb2.FieldMask(paths=["paths_value"])
        assert arg == mock_val


def test_update_instance_config_flattened_error():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.update_instance_config(
            spanner_instance_admin.UpdateInstanceConfigRequest(),
            instance_config=spanner_instance_admin.InstanceConfig(name="name_value"),
            update_mask=field_mask_pb2.FieldMask(paths=["paths_value"]),
        )


@pytest.mark.asyncio
async def test_update_instance_config_flattened_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.update_instance_config), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = operations_pb2.Operation(name="operations/op")

        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            operations_pb2.Operation(name="operations/spam")
        )
        # Call the method with a truthy value for each flattened field,
        # using the keyword arguments to the method.
        response = await client.update_instance_config(
            instance_config=spanner_instance_admin.InstanceConfig(name="name_value"),
            update_mask=field_mask_pb2.FieldMask(paths=["paths_value"]),
        )

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        arg = args[0].instance_config
        mock_val = spanner_instance_admin.InstanceConfig(name="name_value")
        assert arg == mock_val
        arg = args[0].update_mask
        mock_val = field_mask_pb2.FieldMask(paths=["paths_value"])
        assert arg == mock_val


@pytest.mark.asyncio
async def test_update_instance_config_flattened_error_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        await client.update_instance_config(
            spanner_instance_admin.UpdateInstanceConfigRequest(),
            instance_config=spanner_instance_admin.InstanceConfig(name="name_value"),
            update_mask=field_mask_pb2.FieldMask(paths=["paths_value"]),
        )


@pytest.mark.parametrize(
    "request_type",
    [
        spanner_instance_admin.DeleteInstanceConfigRequest,
        dict,
    ],
)
def test_delete_instance_config(request_type, transport: str = "grpc"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = request_type()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.delete_instance_config), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = None
        response = client.delete_instance_config(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        request = spanner_instance_admin.DeleteInstanceConfigRequest()
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert response is None


def test_delete_instance_config_non_empty_request_with_auto_populated_field():
    # This test is a coverage failsafe to make sure that UUID4 fields are
    # automatically populated, according to AIP-4235, with non-empty requests.
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="grpc",
    )

    # Populate all string fields in the request which are not UUID4
    # since we want to check that UUID4 are populated automatically
    # if they meet the requirements of AIP 4235.
    request = spanner_instance_admin.DeleteInstanceConfigRequest(
        name="name_value",
        etag="etag_value",
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.delete_instance_config), "__call__"
    ) as call:
        call.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client.delete_instance_config(request=request)
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        assert args[0] == spanner_instance_admin.DeleteInstanceConfigRequest(
            name="name_value",
            etag="etag_value",
        )


def test_delete_instance_config_use_cached_wrapped_rpc():
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method.wrap_method") as wrapper_fn:
        client = InstanceAdminClient(
            credentials=ga_credentials.AnonymousCredentials(),
            transport="grpc",
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._transport.delete_instance_config
            in client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.Mock()
        mock_rpc.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client._transport._wrapped_methods[
            client._transport.delete_instance_config
        ] = mock_rpc
        request = {}
        client.delete_instance_config(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        client.delete_instance_config(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


@pytest.mark.asyncio
async def test_delete_instance_config_async_use_cached_wrapped_rpc(
    transport: str = "grpc_asyncio",
):
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method_async.wrap_method") as wrapper_fn:
        client = InstanceAdminAsyncClient(
            credentials=async_anonymous_credentials(),
            transport=transport,
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._client._transport.delete_instance_config
            in client._client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.AsyncMock()
        mock_rpc.return_value = mock.Mock()
        client._client._transport._wrapped_methods[
            client._client._transport.delete_instance_config
        ] = mock_rpc

        request = {}
        await client.delete_instance_config(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        await client.delete_instance_config(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


@pytest.mark.asyncio
async def test_delete_instance_config_async(
    transport: str = "grpc_asyncio",
    request_type=spanner_instance_admin.DeleteInstanceConfigRequest,
):
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = request_type()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.delete_instance_config), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(None)
        response = await client.delete_instance_config(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        request = spanner_instance_admin.DeleteInstanceConfigRequest()
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert response is None


@pytest.mark.asyncio
async def test_delete_instance_config_async_from_dict():
    await test_delete_instance_config_async(request_type=dict)


def test_delete_instance_config_field_headers():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = spanner_instance_admin.DeleteInstanceConfigRequest()

    request.name = "name_value"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.delete_instance_config), "__call__"
    ) as call:
        call.return_value = None
        client.delete_instance_config(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "name=name_value",
    ) in kw["metadata"]


@pytest.mark.asyncio
async def test_delete_instance_config_field_headers_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = spanner_instance_admin.DeleteInstanceConfigRequest()

    request.name = "name_value"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.delete_instance_config), "__call__"
    ) as call:
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(None)
        await client.delete_instance_config(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "name=name_value",
    ) in kw["metadata"]


def test_delete_instance_config_flattened():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.delete_instance_config), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = None
        # Call the method with a truthy value for each flattened field,
        # using the keyword arguments to the method.
        client.delete_instance_config(
            name="name_value",
        )

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        arg = args[0].name
        mock_val = "name_value"
        assert arg == mock_val


def test_delete_instance_config_flattened_error():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.delete_instance_config(
            spanner_instance_admin.DeleteInstanceConfigRequest(),
            name="name_value",
        )


@pytest.mark.asyncio
async def test_delete_instance_config_flattened_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.delete_instance_config), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = None

        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(None)
        # Call the method with a truthy value for each flattened field,
        # using the keyword arguments to the method.
        response = await client.delete_instance_config(
            name="name_value",
        )

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        arg = args[0].name
        mock_val = "name_value"
        assert arg == mock_val


@pytest.mark.asyncio
async def test_delete_instance_config_flattened_error_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        await client.delete_instance_config(
            spanner_instance_admin.DeleteInstanceConfigRequest(),
            name="name_value",
        )


@pytest.mark.parametrize(
    "request_type",
    [
        spanner_instance_admin.ListInstanceConfigOperationsRequest,
        dict,
    ],
)
def test_list_instance_config_operations(request_type, transport: str = "grpc"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = request_type()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_config_operations), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = spanner_instance_admin.ListInstanceConfigOperationsResponse(
            next_page_token="next_page_token_value",
        )
        response = client.list_instance_config_operations(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        request = spanner_instance_admin.ListInstanceConfigOperationsRequest()
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert isinstance(response, pagers.ListInstanceConfigOperationsPager)
    assert response.next_page_token == "next_page_token_value"


def test_list_instance_config_operations_non_empty_request_with_auto_populated_field():
    # This test is a coverage failsafe to make sure that UUID4 fields are
    # automatically populated, according to AIP-4235, with non-empty requests.
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="grpc",
    )

    # Populate all string fields in the request which are not UUID4
    # since we want to check that UUID4 are populated automatically
    # if they meet the requirements of AIP 4235.
    request = spanner_instance_admin.ListInstanceConfigOperationsRequest(
        parent="parent_value",
        filter="filter_value",
        page_token="page_token_value",
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_config_operations), "__call__"
    ) as call:
        call.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client.list_instance_config_operations(request=request)
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        assert args[0] == spanner_instance_admin.ListInstanceConfigOperationsRequest(
            parent="parent_value",
            filter="filter_value",
            page_token="page_token_value",
        )


def test_list_instance_config_operations_use_cached_wrapped_rpc():
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method.wrap_method") as wrapper_fn:
        client = InstanceAdminClient(
            credentials=ga_credentials.AnonymousCredentials(),
            transport="grpc",
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._transport.list_instance_config_operations
            in client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.Mock()
        mock_rpc.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client._transport._wrapped_methods[
            client._transport.list_instance_config_operations
        ] = mock_rpc
        request = {}
        client.list_instance_config_operations(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        client.list_instance_config_operations(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


@pytest.mark.asyncio
async def test_list_instance_config_operations_async_use_cached_wrapped_rpc(
    transport: str = "grpc_asyncio",
):
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method_async.wrap_method") as wrapper_fn:
        client = InstanceAdminAsyncClient(
            credentials=async_anonymous_credentials(),
            transport=transport,
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._client._transport.list_instance_config_operations
            in client._client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.AsyncMock()
        mock_rpc.return_value = mock.Mock()
        client._client._transport._wrapped_methods[
            client._client._transport.list_instance_config_operations
        ] = mock_rpc

        request = {}
        await client.list_instance_config_operations(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        await client.list_instance_config_operations(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


@pytest.mark.asyncio
async def test_list_instance_config_operations_async(
    transport: str = "grpc_asyncio",
    request_type=spanner_instance_admin.ListInstanceConfigOperationsRequest,
):
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = request_type()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_config_operations), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            spanner_instance_admin.ListInstanceConfigOperationsResponse(
                next_page_token="next_page_token_value",
            )
        )
        response = await client.list_instance_config_operations(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        request = spanner_instance_admin.ListInstanceConfigOperationsRequest()
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert isinstance(response, pagers.ListInstanceConfigOperationsAsyncPager)
    assert response.next_page_token == "next_page_token_value"


@pytest.mark.asyncio
async def test_list_instance_config_operations_async_from_dict():
    await test_list_instance_config_operations_async(request_type=dict)


def test_list_instance_config_operations_field_headers():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = spanner_instance_admin.ListInstanceConfigOperationsRequest()

    request.parent = "parent_value"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_config_operations), "__call__"
    ) as call:
        call.return_value = (
            spanner_instance_admin.ListInstanceConfigOperationsResponse()
        )
        client.list_instance_config_operations(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "parent=parent_value",
    ) in kw["metadata"]


@pytest.mark.asyncio
async def test_list_instance_config_operations_field_headers_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = spanner_instance_admin.ListInstanceConfigOperationsRequest()

    request.parent = "parent_value"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_config_operations), "__call__"
    ) as call:
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            spanner_instance_admin.ListInstanceConfigOperationsResponse()
        )
        await client.list_instance_config_operations(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "parent=parent_value",
    ) in kw["metadata"]


def test_list_instance_config_operations_flattened():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_config_operations), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = (
            spanner_instance_admin.ListInstanceConfigOperationsResponse()
        )
        # Call the method with a truthy value for each flattened field,
        # using the keyword arguments to the method.
        client.list_instance_config_operations(
            parent="parent_value",
        )

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        arg = args[0].parent
        mock_val = "parent_value"
        assert arg == mock_val


def test_list_instance_config_operations_flattened_error():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.list_instance_config_operations(
            spanner_instance_admin.ListInstanceConfigOperationsRequest(),
            parent="parent_value",
        )


@pytest.mark.asyncio
async def test_list_instance_config_operations_flattened_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_config_operations), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = (
            spanner_instance_admin.ListInstanceConfigOperationsResponse()
        )

        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            spanner_instance_admin.ListInstanceConfigOperationsResponse()
        )
        # Call the method with a truthy value for each flattened field,
        # using the keyword arguments to the method.
        response = await client.list_instance_config_operations(
            parent="parent_value",
        )

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        arg = args[0].parent
        mock_val = "parent_value"
        assert arg == mock_val


@pytest.mark.asyncio
async def test_list_instance_config_operations_flattened_error_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        await client.list_instance_config_operations(
            spanner_instance_admin.ListInstanceConfigOperationsRequest(),
            parent="parent_value",
        )


def test_list_instance_config_operations_pager(transport_name: str = "grpc"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport_name,
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_config_operations), "__call__"
    ) as call:
        # Set the response to a series of pages.
        call.side_effect = (
            spanner_instance_admin.ListInstanceConfigOperationsResponse(
                operations=[
                    operations_pb2.Operation(),
                    operations_pb2.Operation(),
                    operations_pb2.Operation(),
                ],
                next_page_token="abc",
            ),
            spanner_instance_admin.ListInstanceConfigOperationsResponse(
                operations=[],
                next_page_token="def",
            ),
            spanner_instance_admin.ListInstanceConfigOperationsResponse(
                operations=[
                    operations_pb2.Operation(),
                ],
                next_page_token="ghi",
            ),
            spanner_instance_admin.ListInstanceConfigOperationsResponse(
                operations=[
                    operations_pb2.Operation(),
                    operations_pb2.Operation(),
                ],
            ),
            RuntimeError,
        )

        expected_metadata = ()
        retry = retries.Retry()
        timeout = 5
        expected_metadata = tuple(expected_metadata) + (
            gapic_v1.routing_header.to_grpc_metadata((("parent", ""),)),
        )
        pager = client.list_instance_config_operations(
            request={}, retry=retry, timeout=timeout
        )

        assert pager._metadata == expected_metadata
        assert pager._retry == retry
        assert pager._timeout == timeout

        results = list(pager)
        assert len(results) == 6
        assert all(isinstance(i, operations_pb2.Operation) for i in results)


def test_list_instance_config_operations_pages(transport_name: str = "grpc"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport_name,
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_config_operations), "__call__"
    ) as call:
        # Set the response to a series of pages.
        call.side_effect = (
            spanner_instance_admin.ListInstanceConfigOperationsResponse(
                operations=[
                    operations_pb2.Operation(),
                    operations_pb2.Operation(),
                    operations_pb2.Operation(),
                ],
                next_page_token="abc",
            ),
            spanner_instance_admin.ListInstanceConfigOperationsResponse(
                operations=[],
                next_page_token="def",
            ),
            spanner_instance_admin.ListInstanceConfigOperationsResponse(
                operations=[
                    operations_pb2.Operation(),
                ],
                next_page_token="ghi",
            ),
            spanner_instance_admin.ListInstanceConfigOperationsResponse(
                operations=[
                    operations_pb2.Operation(),
                    operations_pb2.Operation(),
                ],
            ),
            RuntimeError,
        )
        pages = list(client.list_instance_config_operations(request={}).pages)
        for page_, token in zip(pages, ["abc", "def", "ghi", ""]):
            assert page_.raw_page.next_page_token == token


@pytest.mark.asyncio
async def test_list_instance_config_operations_async_pager():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_config_operations),
        "__call__",
        new_callable=mock.AsyncMock,
    ) as call:
        # Set the response to a series of pages.
        call.side_effect = (
            spanner_instance_admin.ListInstanceConfigOperationsResponse(
                operations=[
                    operations_pb2.Operation(),
                    operations_pb2.Operation(),
                    operations_pb2.Operation(),
                ],
                next_page_token="abc",
            ),
            spanner_instance_admin.ListInstanceConfigOperationsResponse(
                operations=[],
                next_page_token="def",
            ),
            spanner_instance_admin.ListInstanceConfigOperationsResponse(
                operations=[
                    operations_pb2.Operation(),
                ],
                next_page_token="ghi",
            ),
            spanner_instance_admin.ListInstanceConfigOperationsResponse(
                operations=[
                    operations_pb2.Operation(),
                    operations_pb2.Operation(),
                ],
            ),
            RuntimeError,
        )
        async_pager = await client.list_instance_config_operations(
            request={},
        )
        assert async_pager.next_page_token == "abc"
        responses = []
        async for response in async_pager:  # pragma: no branch
            responses.append(response)

        assert len(responses) == 6
        assert all(isinstance(i, operations_pb2.Operation) for i in responses)


@pytest.mark.asyncio
async def test_list_instance_config_operations_async_pages():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_config_operations),
        "__call__",
        new_callable=mock.AsyncMock,
    ) as call:
        # Set the response to a series of pages.
        call.side_effect = (
            spanner_instance_admin.ListInstanceConfigOperationsResponse(
                operations=[
                    operations_pb2.Operation(),
                    operations_pb2.Operation(),
                    operations_pb2.Operation(),
                ],
                next_page_token="abc",
            ),
            spanner_instance_admin.ListInstanceConfigOperationsResponse(
                operations=[],
                next_page_token="def",
            ),
            spanner_instance_admin.ListInstanceConfigOperationsResponse(
                operations=[
                    operations_pb2.Operation(),
                ],
                next_page_token="ghi",
            ),
            spanner_instance_admin.ListInstanceConfigOperationsResponse(
                operations=[
                    operations_pb2.Operation(),
                    operations_pb2.Operation(),
                ],
            ),
            RuntimeError,
        )
        pages = []
        # Workaround issue in python 3.9 related to code coverage by adding `# pragma: no branch`
        # See https://github.com/googleapis/gapic-generator-python/pull/1174#issuecomment-1025132372
        async for page_ in (  # pragma: no branch
            await client.list_instance_config_operations(request={})
        ).pages:
            pages.append(page_)
        for page_, token in zip(pages, ["abc", "def", "ghi", ""]):
            assert page_.raw_page.next_page_token == token


@pytest.mark.parametrize(
    "request_type",
    [
        spanner_instance_admin.ListInstancesRequest,
        dict,
    ],
)
def test_list_instances(request_type, transport: str = "grpc"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = request_type()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.list_instances), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = spanner_instance_admin.ListInstancesResponse(
            next_page_token="next_page_token_value",
            unreachable=["unreachable_value"],
        )
        response = client.list_instances(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        request = spanner_instance_admin.ListInstancesRequest()
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert isinstance(response, pagers.ListInstancesPager)
    assert response.next_page_token == "next_page_token_value"
    assert response.unreachable == ["unreachable_value"]


def test_list_instances_non_empty_request_with_auto_populated_field():
    # This test is a coverage failsafe to make sure that UUID4 fields are
    # automatically populated, according to AIP-4235, with non-empty requests.
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="grpc",
    )

    # Populate all string fields in the request which are not UUID4
    # since we want to check that UUID4 are populated automatically
    # if they meet the requirements of AIP 4235.
    request = spanner_instance_admin.ListInstancesRequest(
        parent="parent_value",
        page_token="page_token_value",
        filter="filter_value",
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.list_instances), "__call__") as call:
        call.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client.list_instances(request=request)
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        assert args[0] == spanner_instance_admin.ListInstancesRequest(
            parent="parent_value",
            page_token="page_token_value",
            filter="filter_value",
        )


def test_list_instances_use_cached_wrapped_rpc():
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method.wrap_method") as wrapper_fn:
        client = InstanceAdminClient(
            credentials=ga_credentials.AnonymousCredentials(),
            transport="grpc",
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert client._transport.list_instances in client._transport._wrapped_methods

        # Replace cached wrapped function with mock
        mock_rpc = mock.Mock()
        mock_rpc.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client._transport._wrapped_methods[client._transport.list_instances] = mock_rpc
        request = {}
        client.list_instances(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        client.list_instances(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


@pytest.mark.asyncio
async def test_list_instances_async_use_cached_wrapped_rpc(
    transport: str = "grpc_asyncio",
):
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method_async.wrap_method") as wrapper_fn:
        client = InstanceAdminAsyncClient(
            credentials=async_anonymous_credentials(),
            transport=transport,
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._client._transport.list_instances
            in client._client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.AsyncMock()
        mock_rpc.return_value = mock.Mock()
        client._client._transport._wrapped_methods[
            client._client._transport.list_instances
        ] = mock_rpc

        request = {}
        await client.list_instances(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        await client.list_instances(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


@pytest.mark.asyncio
async def test_list_instances_async(
    transport: str = "grpc_asyncio",
    request_type=spanner_instance_admin.ListInstancesRequest,
):
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = request_type()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.list_instances), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            spanner_instance_admin.ListInstancesResponse(
                next_page_token="next_page_token_value",
                unreachable=["unreachable_value"],
            )
        )
        response = await client.list_instances(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        request = spanner_instance_admin.ListInstancesRequest()
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert isinstance(response, pagers.ListInstancesAsyncPager)
    assert response.next_page_token == "next_page_token_value"
    assert response.unreachable == ["unreachable_value"]


@pytest.mark.asyncio
async def test_list_instances_async_from_dict():
    await test_list_instances_async(request_type=dict)


def test_list_instances_field_headers():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = spanner_instance_admin.ListInstancesRequest()

    request.parent = "parent_value"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.list_instances), "__call__") as call:
        call.return_value = spanner_instance_admin.ListInstancesResponse()
        client.list_instances(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "parent=parent_value",
    ) in kw["metadata"]


@pytest.mark.asyncio
async def test_list_instances_field_headers_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = spanner_instance_admin.ListInstancesRequest()

    request.parent = "parent_value"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.list_instances), "__call__") as call:
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            spanner_instance_admin.ListInstancesResponse()
        )
        await client.list_instances(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "parent=parent_value",
    ) in kw["metadata"]


def test_list_instances_flattened():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.list_instances), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = spanner_instance_admin.ListInstancesResponse()
        # Call the method with a truthy value for each flattened field,
        # using the keyword arguments to the method.
        client.list_instances(
            parent="parent_value",
        )

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        arg = args[0].parent
        mock_val = "parent_value"
        assert arg == mock_val


def test_list_instances_flattened_error():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.list_instances(
            spanner_instance_admin.ListInstancesRequest(),
            parent="parent_value",
        )


@pytest.mark.asyncio
async def test_list_instances_flattened_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.list_instances), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = spanner_instance_admin.ListInstancesResponse()

        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            spanner_instance_admin.ListInstancesResponse()
        )
        # Call the method with a truthy value for each flattened field,
        # using the keyword arguments to the method.
        response = await client.list_instances(
            parent="parent_value",
        )

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        arg = args[0].parent
        mock_val = "parent_value"
        assert arg == mock_val


@pytest.mark.asyncio
async def test_list_instances_flattened_error_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        await client.list_instances(
            spanner_instance_admin.ListInstancesRequest(),
            parent="parent_value",
        )


def test_list_instances_pager(transport_name: str = "grpc"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport_name,
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.list_instances), "__call__") as call:
        # Set the response to a series of pages.
        call.side_effect = (
            spanner_instance_admin.ListInstancesResponse(
                instances=[
                    spanner_instance_admin.Instance(),
                    spanner_instance_admin.Instance(),
                    spanner_instance_admin.Instance(),
                ],
                next_page_token="abc",
            ),
            spanner_instance_admin.ListInstancesResponse(
                instances=[],
                next_page_token="def",
            ),
            spanner_instance_admin.ListInstancesResponse(
                instances=[
                    spanner_instance_admin.Instance(),
                ],
                next_page_token="ghi",
            ),
            spanner_instance_admin.ListInstancesResponse(
                instances=[
                    spanner_instance_admin.Instance(),
                    spanner_instance_admin.Instance(),
                ],
            ),
            RuntimeError,
        )

        expected_metadata = ()
        retry = retries.Retry()
        timeout = 5
        expected_metadata = tuple(expected_metadata) + (
            gapic_v1.routing_header.to_grpc_metadata((("parent", ""),)),
        )
        pager = client.list_instances(request={}, retry=retry, timeout=timeout)

        assert pager._metadata == expected_metadata
        assert pager._retry == retry
        assert pager._timeout == timeout

        results = list(pager)
        assert len(results) == 6
        assert all(isinstance(i, spanner_instance_admin.Instance) for i in results)


def test_list_instances_pages(transport_name: str = "grpc"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport_name,
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.list_instances), "__call__") as call:
        # Set the response to a series of pages.
        call.side_effect = (
            spanner_instance_admin.ListInstancesResponse(
                instances=[
                    spanner_instance_admin.Instance(),
                    spanner_instance_admin.Instance(),
                    spanner_instance_admin.Instance(),
                ],
                next_page_token="abc",
            ),
            spanner_instance_admin.ListInstancesResponse(
                instances=[],
                next_page_token="def",
            ),
            spanner_instance_admin.ListInstancesResponse(
                instances=[
                    spanner_instance_admin.Instance(),
                ],
                next_page_token="ghi",
            ),
            spanner_instance_admin.ListInstancesResponse(
                instances=[
                    spanner_instance_admin.Instance(),
                    spanner_instance_admin.Instance(),
                ],
            ),
            RuntimeError,
        )
        pages = list(client.list_instances(request={}).pages)
        for page_, token in zip(pages, ["abc", "def", "ghi", ""]):
            assert page_.raw_page.next_page_token == token


@pytest.mark.asyncio
async def test_list_instances_async_pager():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instances), "__call__", new_callable=mock.AsyncMock
    ) as call:
        # Set the response to a series of pages.
        call.side_effect = (
            spanner_instance_admin.ListInstancesResponse(
                instances=[
                    spanner_instance_admin.Instance(),
                    spanner_instance_admin.Instance(),
                    spanner_instance_admin.Instance(),
                ],
                next_page_token="abc",
            ),
            spanner_instance_admin.ListInstancesResponse(
                instances=[],
                next_page_token="def",
            ),
            spanner_instance_admin.ListInstancesResponse(
                instances=[
                    spanner_instance_admin.Instance(),
                ],
                next_page_token="ghi",
            ),
            spanner_instance_admin.ListInstancesResponse(
                instances=[
                    spanner_instance_admin.Instance(),
                    spanner_instance_admin.Instance(),
                ],
            ),
            RuntimeError,
        )
        async_pager = await client.list_instances(
            request={},
        )
        assert async_pager.next_page_token == "abc"
        responses = []
        async for response in async_pager:  # pragma: no branch
            responses.append(response)

        assert len(responses) == 6
        assert all(isinstance(i, spanner_instance_admin.Instance) for i in responses)


@pytest.mark.asyncio
async def test_list_instances_async_pages():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instances), "__call__", new_callable=mock.AsyncMock
    ) as call:
        # Set the response to a series of pages.
        call.side_effect = (
            spanner_instance_admin.ListInstancesResponse(
                instances=[
                    spanner_instance_admin.Instance(),
                    spanner_instance_admin.Instance(),
                    spanner_instance_admin.Instance(),
                ],
                next_page_token="abc",
            ),
            spanner_instance_admin.ListInstancesResponse(
                instances=[],
                next_page_token="def",
            ),
            spanner_instance_admin.ListInstancesResponse(
                instances=[
                    spanner_instance_admin.Instance(),
                ],
                next_page_token="ghi",
            ),
            spanner_instance_admin.ListInstancesResponse(
                instances=[
                    spanner_instance_admin.Instance(),
                    spanner_instance_admin.Instance(),
                ],
            ),
            RuntimeError,
        )
        pages = []
        # Workaround issue in python 3.9 related to code coverage by adding `# pragma: no branch`
        # See https://github.com/googleapis/gapic-generator-python/pull/1174#issuecomment-1025132372
        async for page_ in (  # pragma: no branch
            await client.list_instances(request={})
        ).pages:
            pages.append(page_)
        for page_, token in zip(pages, ["abc", "def", "ghi", ""]):
            assert page_.raw_page.next_page_token == token


@pytest.mark.parametrize(
    "request_type",
    [
        spanner_instance_admin.ListInstancePartitionsRequest,
        dict,
    ],
)
def test_list_instance_partitions(request_type, transport: str = "grpc"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = request_type()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_partitions), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = spanner_instance_admin.ListInstancePartitionsResponse(
            next_page_token="next_page_token_value",
            unreachable=["unreachable_value"],
        )
        response = client.list_instance_partitions(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        request = spanner_instance_admin.ListInstancePartitionsRequest()
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert isinstance(response, pagers.ListInstancePartitionsPager)
    assert response.next_page_token == "next_page_token_value"
    assert response.unreachable == ["unreachable_value"]


def test_list_instance_partitions_non_empty_request_with_auto_populated_field():
    # This test is a coverage failsafe to make sure that UUID4 fields are
    # automatically populated, according to AIP-4235, with non-empty requests.
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="grpc",
    )

    # Populate all string fields in the request which are not UUID4
    # since we want to check that UUID4 are populated automatically
    # if they meet the requirements of AIP 4235.
    request = spanner_instance_admin.ListInstancePartitionsRequest(
        parent="parent_value",
        page_token="page_token_value",
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_partitions), "__call__"
    ) as call:
        call.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client.list_instance_partitions(request=request)
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        assert args[0] == spanner_instance_admin.ListInstancePartitionsRequest(
            parent="parent_value",
            page_token="page_token_value",
        )


def test_list_instance_partitions_use_cached_wrapped_rpc():
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method.wrap_method") as wrapper_fn:
        client = InstanceAdminClient(
            credentials=ga_credentials.AnonymousCredentials(),
            transport="grpc",
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._transport.list_instance_partitions
            in client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.Mock()
        mock_rpc.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client._transport._wrapped_methods[
            client._transport.list_instance_partitions
        ] = mock_rpc
        request = {}
        client.list_instance_partitions(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        client.list_instance_partitions(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


@pytest.mark.asyncio
async def test_list_instance_partitions_async_use_cached_wrapped_rpc(
    transport: str = "grpc_asyncio",
):
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method_async.wrap_method") as wrapper_fn:
        client = InstanceAdminAsyncClient(
            credentials=async_anonymous_credentials(),
            transport=transport,
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._client._transport.list_instance_partitions
            in client._client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.AsyncMock()
        mock_rpc.return_value = mock.Mock()
        client._client._transport._wrapped_methods[
            client._client._transport.list_instance_partitions
        ] = mock_rpc

        request = {}
        await client.list_instance_partitions(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        await client.list_instance_partitions(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


@pytest.mark.asyncio
async def test_list_instance_partitions_async(
    transport: str = "grpc_asyncio",
    request_type=spanner_instance_admin.ListInstancePartitionsRequest,
):
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = request_type()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_partitions), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            spanner_instance_admin.ListInstancePartitionsResponse(
                next_page_token="next_page_token_value",
                unreachable=["unreachable_value"],
            )
        )
        response = await client.list_instance_partitions(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        request = spanner_instance_admin.ListInstancePartitionsRequest()
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert isinstance(response, pagers.ListInstancePartitionsAsyncPager)
    assert response.next_page_token == "next_page_token_value"
    assert response.unreachable == ["unreachable_value"]


@pytest.mark.asyncio
async def test_list_instance_partitions_async_from_dict():
    await test_list_instance_partitions_async(request_type=dict)


def test_list_instance_partitions_field_headers():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = spanner_instance_admin.ListInstancePartitionsRequest()

    request.parent = "parent_value"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_partitions), "__call__"
    ) as call:
        call.return_value = spanner_instance_admin.ListInstancePartitionsResponse()
        client.list_instance_partitions(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "parent=parent_value",
    ) in kw["metadata"]


@pytest.mark.asyncio
async def test_list_instance_partitions_field_headers_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = spanner_instance_admin.ListInstancePartitionsRequest()

    request.parent = "parent_value"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_partitions), "__call__"
    ) as call:
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            spanner_instance_admin.ListInstancePartitionsResponse()
        )
        await client.list_instance_partitions(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "parent=parent_value",
    ) in kw["metadata"]


def test_list_instance_partitions_flattened():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_partitions), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = spanner_instance_admin.ListInstancePartitionsResponse()
        # Call the method with a truthy value for each flattened field,
        # using the keyword arguments to the method.
        client.list_instance_partitions(
            parent="parent_value",
        )

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        arg = args[0].parent
        mock_val = "parent_value"
        assert arg == mock_val


def test_list_instance_partitions_flattened_error():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.list_instance_partitions(
            spanner_instance_admin.ListInstancePartitionsRequest(),
            parent="parent_value",
        )


@pytest.mark.asyncio
async def test_list_instance_partitions_flattened_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_partitions), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = spanner_instance_admin.ListInstancePartitionsResponse()

        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            spanner_instance_admin.ListInstancePartitionsResponse()
        )
        # Call the method with a truthy value for each flattened field,
        # using the keyword arguments to the method.
        response = await client.list_instance_partitions(
            parent="parent_value",
        )

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        arg = args[0].parent
        mock_val = "parent_value"
        assert arg == mock_val


@pytest.mark.asyncio
async def test_list_instance_partitions_flattened_error_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        await client.list_instance_partitions(
            spanner_instance_admin.ListInstancePartitionsRequest(),
            parent="parent_value",
        )


def test_list_instance_partitions_pager(transport_name: str = "grpc"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport_name,
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_partitions), "__call__"
    ) as call:
        # Set the response to a series of pages.
        call.side_effect = (
            spanner_instance_admin.ListInstancePartitionsResponse(
                instance_partitions=[
                    spanner_instance_admin.InstancePartition(),
                    spanner_instance_admin.InstancePartition(),
                    spanner_instance_admin.InstancePartition(),
                ],
                next_page_token="abc",
            ),
            spanner_instance_admin.ListInstancePartitionsResponse(
                instance_partitions=[],
                next_page_token="def",
            ),
            spanner_instance_admin.ListInstancePartitionsResponse(
                instance_partitions=[
                    spanner_instance_admin.InstancePartition(),
                ],
                next_page_token="ghi",
            ),
            spanner_instance_admin.ListInstancePartitionsResponse(
                instance_partitions=[
                    spanner_instance_admin.InstancePartition(),
                    spanner_instance_admin.InstancePartition(),
                ],
            ),
            RuntimeError,
        )

        expected_metadata = ()
        retry = retries.Retry()
        timeout = 5
        expected_metadata = tuple(expected_metadata) + (
            gapic_v1.routing_header.to_grpc_metadata((("parent", ""),)),
        )
        pager = client.list_instance_partitions(
            request={}, retry=retry, timeout=timeout
        )

        assert pager._metadata == expected_metadata
        assert pager._retry == retry
        assert pager._timeout == timeout

        results = list(pager)
        assert len(results) == 6
        assert all(
            isinstance(i, spanner_instance_admin.InstancePartition) for i in results
        )


def test_list_instance_partitions_pages(transport_name: str = "grpc"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport_name,
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_partitions), "__call__"
    ) as call:
        # Set the response to a series of pages.
        call.side_effect = (
            spanner_instance_admin.ListInstancePartitionsResponse(
                instance_partitions=[
                    spanner_instance_admin.InstancePartition(),
                    spanner_instance_admin.InstancePartition(),
                    spanner_instance_admin.InstancePartition(),
                ],
                next_page_token="abc",
            ),
            spanner_instance_admin.ListInstancePartitionsResponse(
                instance_partitions=[],
                next_page_token="def",
            ),
            spanner_instance_admin.ListInstancePartitionsResponse(
                instance_partitions=[
                    spanner_instance_admin.InstancePartition(),
                ],
                next_page_token="ghi",
            ),
            spanner_instance_admin.ListInstancePartitionsResponse(
                instance_partitions=[
                    spanner_instance_admin.InstancePartition(),
                    spanner_instance_admin.InstancePartition(),
                ],
            ),
            RuntimeError,
        )
        pages = list(client.list_instance_partitions(request={}).pages)
        for page_, token in zip(pages, ["abc", "def", "ghi", ""]):
            assert page_.raw_page.next_page_token == token


@pytest.mark.asyncio
async def test_list_instance_partitions_async_pager():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_partitions),
        "__call__",
        new_callable=mock.AsyncMock,
    ) as call:
        # Set the response to a series of pages.
        call.side_effect = (
            spanner_instance_admin.ListInstancePartitionsResponse(
                instance_partitions=[
                    spanner_instance_admin.InstancePartition(),
                    spanner_instance_admin.InstancePartition(),
                    spanner_instance_admin.InstancePartition(),
                ],
                next_page_token="abc",
            ),
            spanner_instance_admin.ListInstancePartitionsResponse(
                instance_partitions=[],
                next_page_token="def",
            ),
            spanner_instance_admin.ListInstancePartitionsResponse(
                instance_partitions=[
                    spanner_instance_admin.InstancePartition(),
                ],
                next_page_token="ghi",
            ),
            spanner_instance_admin.ListInstancePartitionsResponse(
                instance_partitions=[
                    spanner_instance_admin.InstancePartition(),
                    spanner_instance_admin.InstancePartition(),
                ],
            ),
            RuntimeError,
        )
        async_pager = await client.list_instance_partitions(
            request={},
        )
        assert async_pager.next_page_token == "abc"
        responses = []
        async for response in async_pager:  # pragma: no branch
            responses.append(response)

        assert len(responses) == 6
        assert all(
            isinstance(i, spanner_instance_admin.InstancePartition) for i in responses
        )


@pytest.mark.asyncio
async def test_list_instance_partitions_async_pages():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_partitions),
        "__call__",
        new_callable=mock.AsyncMock,
    ) as call:
        # Set the response to a series of pages.
        call.side_effect = (
            spanner_instance_admin.ListInstancePartitionsResponse(
                instance_partitions=[
                    spanner_instance_admin.InstancePartition(),
                    spanner_instance_admin.InstancePartition(),
                    spanner_instance_admin.InstancePartition(),
                ],
                next_page_token="abc",
            ),
            spanner_instance_admin.ListInstancePartitionsResponse(
                instance_partitions=[],
                next_page_token="def",
            ),
            spanner_instance_admin.ListInstancePartitionsResponse(
                instance_partitions=[
                    spanner_instance_admin.InstancePartition(),
                ],
                next_page_token="ghi",
            ),
            spanner_instance_admin.ListInstancePartitionsResponse(
                instance_partitions=[
                    spanner_instance_admin.InstancePartition(),
                    spanner_instance_admin.InstancePartition(),
                ],
            ),
            RuntimeError,
        )
        pages = []
        # Workaround issue in python 3.9 related to code coverage by adding `# pragma: no branch`
        # See https://github.com/googleapis/gapic-generator-python/pull/1174#issuecomment-1025132372
        async for page_ in (  # pragma: no branch
            await client.list_instance_partitions(request={})
        ).pages:
            pages.append(page_)
        for page_, token in zip(pages, ["abc", "def", "ghi", ""]):
            assert page_.raw_page.next_page_token == token


@pytest.mark.parametrize(
    "request_type",
    [
        spanner_instance_admin.GetInstanceRequest,
        dict,
    ],
)
def test_get_instance(request_type, transport: str = "grpc"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = request_type()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.get_instance), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = spanner_instance_admin.Instance(
            name="name_value",
            config="config_value",
            display_name="display_name_value",
            node_count=1070,
            processing_units=1743,
            state=spanner_instance_admin.Instance.State.CREATING,
            instance_type=spanner_instance_admin.Instance.InstanceType.PROVISIONED,
            endpoint_uris=["endpoint_uris_value"],
            edition=spanner_instance_admin.Instance.Edition.STANDARD,
            default_backup_schedule_type=spanner_instance_admin.Instance.DefaultBackupScheduleType.NONE,
        )
        response = client.get_instance(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        request = spanner_instance_admin.GetInstanceRequest()
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert isinstance(response, spanner_instance_admin.Instance)
    assert response.name == "name_value"
    assert response.config == "config_value"
    assert response.display_name == "display_name_value"
    assert response.node_count == 1070
    assert response.processing_units == 1743
    assert response.state == spanner_instance_admin.Instance.State.CREATING
    assert (
        response.instance_type
        == spanner_instance_admin.Instance.InstanceType.PROVISIONED
    )
    assert response.endpoint_uris == ["endpoint_uris_value"]
    assert response.edition == spanner_instance_admin.Instance.Edition.STANDARD
    assert (
        response.default_backup_schedule_type
        == spanner_instance_admin.Instance.DefaultBackupScheduleType.NONE
    )


def test_get_instance_non_empty_request_with_auto_populated_field():
    # This test is a coverage failsafe to make sure that UUID4 fields are
    # automatically populated, according to AIP-4235, with non-empty requests.
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="grpc",
    )

    # Populate all string fields in the request which are not UUID4
    # since we want to check that UUID4 are populated automatically
    # if they meet the requirements of AIP 4235.
    request = spanner_instance_admin.GetInstanceRequest(
        name="name_value",
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.get_instance), "__call__") as call:
        call.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client.get_instance(request=request)
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        assert args[0] == spanner_instance_admin.GetInstanceRequest(
            name="name_value",
        )


def test_get_instance_use_cached_wrapped_rpc():
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method.wrap_method") as wrapper_fn:
        client = InstanceAdminClient(
            credentials=ga_credentials.AnonymousCredentials(),
            transport="grpc",
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert client._transport.get_instance in client._transport._wrapped_methods

        # Replace cached wrapped function with mock
        mock_rpc = mock.Mock()
        mock_rpc.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client._transport._wrapped_methods[client._transport.get_instance] = mock_rpc
        request = {}
        client.get_instance(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        client.get_instance(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


@pytest.mark.asyncio
async def test_get_instance_async_use_cached_wrapped_rpc(
    transport: str = "grpc_asyncio",
):
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method_async.wrap_method") as wrapper_fn:
        client = InstanceAdminAsyncClient(
            credentials=async_anonymous_credentials(),
            transport=transport,
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._client._transport.get_instance
            in client._client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.AsyncMock()
        mock_rpc.return_value = mock.Mock()
        client._client._transport._wrapped_methods[
            client._client._transport.get_instance
        ] = mock_rpc

        request = {}
        await client.get_instance(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        await client.get_instance(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


@pytest.mark.asyncio
async def test_get_instance_async(
    transport: str = "grpc_asyncio",
    request_type=spanner_instance_admin.GetInstanceRequest,
):
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = request_type()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.get_instance), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            spanner_instance_admin.Instance(
                name="name_value",
                config="config_value",
                display_name="display_name_value",
                node_count=1070,
                processing_units=1743,
                state=spanner_instance_admin.Instance.State.CREATING,
                instance_type=spanner_instance_admin.Instance.InstanceType.PROVISIONED,
                endpoint_uris=["endpoint_uris_value"],
                edition=spanner_instance_admin.Instance.Edition.STANDARD,
                default_backup_schedule_type=spanner_instance_admin.Instance.DefaultBackupScheduleType.NONE,
            )
        )
        response = await client.get_instance(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        request = spanner_instance_admin.GetInstanceRequest()
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert isinstance(response, spanner_instance_admin.Instance)
    assert response.name == "name_value"
    assert response.config == "config_value"
    assert response.display_name == "display_name_value"
    assert response.node_count == 1070
    assert response.processing_units == 1743
    assert response.state == spanner_instance_admin.Instance.State.CREATING
    assert (
        response.instance_type
        == spanner_instance_admin.Instance.InstanceType.PROVISIONED
    )
    assert response.endpoint_uris == ["endpoint_uris_value"]
    assert response.edition == spanner_instance_admin.Instance.Edition.STANDARD
    assert (
        response.default_backup_schedule_type
        == spanner_instance_admin.Instance.DefaultBackupScheduleType.NONE
    )


@pytest.mark.asyncio
async def test_get_instance_async_from_dict():
    await test_get_instance_async(request_type=dict)


def test_get_instance_field_headers():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = spanner_instance_admin.GetInstanceRequest()

    request.name = "name_value"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.get_instance), "__call__") as call:
        call.return_value = spanner_instance_admin.Instance()
        client.get_instance(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "name=name_value",
    ) in kw["metadata"]


@pytest.mark.asyncio
async def test_get_instance_field_headers_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = spanner_instance_admin.GetInstanceRequest()

    request.name = "name_value"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.get_instance), "__call__") as call:
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            spanner_instance_admin.Instance()
        )
        await client.get_instance(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "name=name_value",
    ) in kw["metadata"]


def test_get_instance_flattened():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.get_instance), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = spanner_instance_admin.Instance()
        # Call the method with a truthy value for each flattened field,
        # using the keyword arguments to the method.
        client.get_instance(
            name="name_value",
        )

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        arg = args[0].name
        mock_val = "name_value"
        assert arg == mock_val


def test_get_instance_flattened_error():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.get_instance(
            spanner_instance_admin.GetInstanceRequest(),
            name="name_value",
        )


@pytest.mark.asyncio
async def test_get_instance_flattened_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.get_instance), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = spanner_instance_admin.Instance()

        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            spanner_instance_admin.Instance()
        )
        # Call the method with a truthy value for each flattened field,
        # using the keyword arguments to the method.
        response = await client.get_instance(
            name="name_value",
        )

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        arg = args[0].name
        mock_val = "name_value"
        assert arg == mock_val


@pytest.mark.asyncio
async def test_get_instance_flattened_error_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        await client.get_instance(
            spanner_instance_admin.GetInstanceRequest(),
            name="name_value",
        )


@pytest.mark.parametrize(
    "request_type",
    [
        spanner_instance_admin.CreateInstanceRequest,
        dict,
    ],
)
def test_create_instance(request_type, transport: str = "grpc"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = request_type()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.create_instance), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = operations_pb2.Operation(name="operations/spam")
        response = client.create_instance(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        request = spanner_instance_admin.CreateInstanceRequest()
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert isinstance(response, future.Future)


def test_create_instance_non_empty_request_with_auto_populated_field():
    # This test is a coverage failsafe to make sure that UUID4 fields are
    # automatically populated, according to AIP-4235, with non-empty requests.
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="grpc",
    )

    # Populate all string fields in the request which are not UUID4
    # since we want to check that UUID4 are populated automatically
    # if they meet the requirements of AIP 4235.
    request = spanner_instance_admin.CreateInstanceRequest(
        parent="parent_value",
        instance_id="instance_id_value",
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.create_instance), "__call__") as call:
        call.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client.create_instance(request=request)
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        assert args[0] == spanner_instance_admin.CreateInstanceRequest(
            parent="parent_value",
            instance_id="instance_id_value",
        )


def test_create_instance_use_cached_wrapped_rpc():
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method.wrap_method") as wrapper_fn:
        client = InstanceAdminClient(
            credentials=ga_credentials.AnonymousCredentials(),
            transport="grpc",
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert client._transport.create_instance in client._transport._wrapped_methods

        # Replace cached wrapped function with mock
        mock_rpc = mock.Mock()
        mock_rpc.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client._transport._wrapped_methods[client._transport.create_instance] = mock_rpc
        request = {}
        client.create_instance(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        # Operation methods call wrapper_fn to build a cached
        # client._transport.operations_client instance on first rpc call.
        # Subsequent calls should use the cached wrapper
        wrapper_fn.reset_mock()

        client.create_instance(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


@pytest.mark.asyncio
async def test_create_instance_async_use_cached_wrapped_rpc(
    transport: str = "grpc_asyncio",
):
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method_async.wrap_method") as wrapper_fn:
        client = InstanceAdminAsyncClient(
            credentials=async_anonymous_credentials(),
            transport=transport,
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._client._transport.create_instance
            in client._client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.AsyncMock()
        mock_rpc.return_value = mock.Mock()
        client._client._transport._wrapped_methods[
            client._client._transport.create_instance
        ] = mock_rpc

        request = {}
        await client.create_instance(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        # Operation methods call wrapper_fn to build a cached
        # client._transport.operations_client instance on first rpc call.
        # Subsequent calls should use the cached wrapper
        wrapper_fn.reset_mock()

        await client.create_instance(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


@pytest.mark.asyncio
async def test_create_instance_async(
    transport: str = "grpc_asyncio",
    request_type=spanner_instance_admin.CreateInstanceRequest,
):
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = request_type()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.create_instance), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            operations_pb2.Operation(name="operations/spam")
        )
        response = await client.create_instance(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        request = spanner_instance_admin.CreateInstanceRequest()
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert isinstance(response, future.Future)


@pytest.mark.asyncio
async def test_create_instance_async_from_dict():
    await test_create_instance_async(request_type=dict)


def test_create_instance_field_headers():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = spanner_instance_admin.CreateInstanceRequest()

    request.parent = "parent_value"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.create_instance), "__call__") as call:
        call.return_value = operations_pb2.Operation(name="operations/op")
        client.create_instance(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "parent=parent_value",
    ) in kw["metadata"]


@pytest.mark.asyncio
async def test_create_instance_field_headers_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = spanner_instance_admin.CreateInstanceRequest()

    request.parent = "parent_value"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.create_instance), "__call__") as call:
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            operations_pb2.Operation(name="operations/op")
        )
        await client.create_instance(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "parent=parent_value",
    ) in kw["metadata"]


def test_create_instance_flattened():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.create_instance), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = operations_pb2.Operation(name="operations/op")
        # Call the method with a truthy value for each flattened field,
        # using the keyword arguments to the method.
        client.create_instance(
            parent="parent_value",
            instance_id="instance_id_value",
            instance=spanner_instance_admin.Instance(name="name_value"),
        )

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        arg = args[0].parent
        mock_val = "parent_value"
        assert arg == mock_val
        arg = args[0].instance_id
        mock_val = "instance_id_value"
        assert arg == mock_val
        arg = args[0].instance
        mock_val = spanner_instance_admin.Instance(name="name_value")
        assert arg == mock_val


def test_create_instance_flattened_error():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.create_instance(
            spanner_instance_admin.CreateInstanceRequest(),
            parent="parent_value",
            instance_id="instance_id_value",
            instance=spanner_instance_admin.Instance(name="name_value"),
        )


@pytest.mark.asyncio
async def test_create_instance_flattened_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.create_instance), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = operations_pb2.Operation(name="operations/op")

        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            operations_pb2.Operation(name="operations/spam")
        )
        # Call the method with a truthy value for each flattened field,
        # using the keyword arguments to the method.
        response = await client.create_instance(
            parent="parent_value",
            instance_id="instance_id_value",
            instance=spanner_instance_admin.Instance(name="name_value"),
        )

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        arg = args[0].parent
        mock_val = "parent_value"
        assert arg == mock_val
        arg = args[0].instance_id
        mock_val = "instance_id_value"
        assert arg == mock_val
        arg = args[0].instance
        mock_val = spanner_instance_admin.Instance(name="name_value")
        assert arg == mock_val


@pytest.mark.asyncio
async def test_create_instance_flattened_error_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        await client.create_instance(
            spanner_instance_admin.CreateInstanceRequest(),
            parent="parent_value",
            instance_id="instance_id_value",
            instance=spanner_instance_admin.Instance(name="name_value"),
        )


@pytest.mark.parametrize(
    "request_type",
    [
        spanner_instance_admin.UpdateInstanceRequest,
        dict,
    ],
)
def test_update_instance(request_type, transport: str = "grpc"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = request_type()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.update_instance), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = operations_pb2.Operation(name="operations/spam")
        response = client.update_instance(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        request = spanner_instance_admin.UpdateInstanceRequest()
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert isinstance(response, future.Future)


def test_update_instance_non_empty_request_with_auto_populated_field():
    # This test is a coverage failsafe to make sure that UUID4 fields are
    # automatically populated, according to AIP-4235, with non-empty requests.
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="grpc",
    )

    # Populate all string fields in the request which are not UUID4
    # since we want to check that UUID4 are populated automatically
    # if they meet the requirements of AIP 4235.
    request = spanner_instance_admin.UpdateInstanceRequest()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.update_instance), "__call__") as call:
        call.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client.update_instance(request=request)
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        assert args[0] == spanner_instance_admin.UpdateInstanceRequest()


def test_update_instance_use_cached_wrapped_rpc():
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method.wrap_method") as wrapper_fn:
        client = InstanceAdminClient(
            credentials=ga_credentials.AnonymousCredentials(),
            transport="grpc",
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert client._transport.update_instance in client._transport._wrapped_methods

        # Replace cached wrapped function with mock
        mock_rpc = mock.Mock()
        mock_rpc.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client._transport._wrapped_methods[client._transport.update_instance] = mock_rpc
        request = {}
        client.update_instance(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        # Operation methods call wrapper_fn to build a cached
        # client._transport.operations_client instance on first rpc call.
        # Subsequent calls should use the cached wrapper
        wrapper_fn.reset_mock()

        client.update_instance(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


@pytest.mark.asyncio
async def test_update_instance_async_use_cached_wrapped_rpc(
    transport: str = "grpc_asyncio",
):
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method_async.wrap_method") as wrapper_fn:
        client = InstanceAdminAsyncClient(
            credentials=async_anonymous_credentials(),
            transport=transport,
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._client._transport.update_instance
            in client._client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.AsyncMock()
        mock_rpc.return_value = mock.Mock()
        client._client._transport._wrapped_methods[
            client._client._transport.update_instance
        ] = mock_rpc

        request = {}
        await client.update_instance(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        # Operation methods call wrapper_fn to build a cached
        # client._transport.operations_client instance on first rpc call.
        # Subsequent calls should use the cached wrapper
        wrapper_fn.reset_mock()

        await client.update_instance(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


@pytest.mark.asyncio
async def test_update_instance_async(
    transport: str = "grpc_asyncio",
    request_type=spanner_instance_admin.UpdateInstanceRequest,
):
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = request_type()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.update_instance), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            operations_pb2.Operation(name="operations/spam")
        )
        response = await client.update_instance(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        request = spanner_instance_admin.UpdateInstanceRequest()
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert isinstance(response, future.Future)


@pytest.mark.asyncio
async def test_update_instance_async_from_dict():
    await test_update_instance_async(request_type=dict)


def test_update_instance_field_headers():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = spanner_instance_admin.UpdateInstanceRequest()

    request.instance.name = "name_value"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.update_instance), "__call__") as call:
        call.return_value = operations_pb2.Operation(name="operations/op")
        client.update_instance(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "instance.name=name_value",
    ) in kw["metadata"]


@pytest.mark.asyncio
async def test_update_instance_field_headers_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = spanner_instance_admin.UpdateInstanceRequest()

    request.instance.name = "name_value"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.update_instance), "__call__") as call:
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            operations_pb2.Operation(name="operations/op")
        )
        await client.update_instance(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "instance.name=name_value",
    ) in kw["metadata"]


def test_update_instance_flattened():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.update_instance), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = operations_pb2.Operation(name="operations/op")
        # Call the method with a truthy value for each flattened field,
        # using the keyword arguments to the method.
        client.update_instance(
            instance=spanner_instance_admin.Instance(name="name_value"),
            field_mask=field_mask_pb2.FieldMask(paths=["paths_value"]),
        )

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        arg = args[0].instance
        mock_val = spanner_instance_admin.Instance(name="name_value")
        assert arg == mock_val
        arg = args[0].field_mask
        mock_val = field_mask_pb2.FieldMask(paths=["paths_value"])
        assert arg == mock_val


def test_update_instance_flattened_error():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.update_instance(
            spanner_instance_admin.UpdateInstanceRequest(),
            instance=spanner_instance_admin.Instance(name="name_value"),
            field_mask=field_mask_pb2.FieldMask(paths=["paths_value"]),
        )


@pytest.mark.asyncio
async def test_update_instance_flattened_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.update_instance), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = operations_pb2.Operation(name="operations/op")

        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            operations_pb2.Operation(name="operations/spam")
        )
        # Call the method with a truthy value for each flattened field,
        # using the keyword arguments to the method.
        response = await client.update_instance(
            instance=spanner_instance_admin.Instance(name="name_value"),
            field_mask=field_mask_pb2.FieldMask(paths=["paths_value"]),
        )

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        arg = args[0].instance
        mock_val = spanner_instance_admin.Instance(name="name_value")
        assert arg == mock_val
        arg = args[0].field_mask
        mock_val = field_mask_pb2.FieldMask(paths=["paths_value"])
        assert arg == mock_val


@pytest.mark.asyncio
async def test_update_instance_flattened_error_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        await client.update_instance(
            spanner_instance_admin.UpdateInstanceRequest(),
            instance=spanner_instance_admin.Instance(name="name_value"),
            field_mask=field_mask_pb2.FieldMask(paths=["paths_value"]),
        )


@pytest.mark.parametrize(
    "request_type",
    [
        spanner_instance_admin.DeleteInstanceRequest,
        dict,
    ],
)
def test_delete_instance(request_type, transport: str = "grpc"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = request_type()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.delete_instance), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = None
        response = client.delete_instance(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        request = spanner_instance_admin.DeleteInstanceRequest()
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert response is None


def test_delete_instance_non_empty_request_with_auto_populated_field():
    # This test is a coverage failsafe to make sure that UUID4 fields are
    # automatically populated, according to AIP-4235, with non-empty requests.
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="grpc",
    )

    # Populate all string fields in the request which are not UUID4
    # since we want to check that UUID4 are populated automatically
    # if they meet the requirements of AIP 4235.
    request = spanner_instance_admin.DeleteInstanceRequest(
        name="name_value",
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.delete_instance), "__call__") as call:
        call.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client.delete_instance(request=request)
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        assert args[0] == spanner_instance_admin.DeleteInstanceRequest(
            name="name_value",
        )


def test_delete_instance_use_cached_wrapped_rpc():
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method.wrap_method") as wrapper_fn:
        client = InstanceAdminClient(
            credentials=ga_credentials.AnonymousCredentials(),
            transport="grpc",
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert client._transport.delete_instance in client._transport._wrapped_methods

        # Replace cached wrapped function with mock
        mock_rpc = mock.Mock()
        mock_rpc.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client._transport._wrapped_methods[client._transport.delete_instance] = mock_rpc
        request = {}
        client.delete_instance(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        client.delete_instance(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


@pytest.mark.asyncio
async def test_delete_instance_async_use_cached_wrapped_rpc(
    transport: str = "grpc_asyncio",
):
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method_async.wrap_method") as wrapper_fn:
        client = InstanceAdminAsyncClient(
            credentials=async_anonymous_credentials(),
            transport=transport,
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._client._transport.delete_instance
            in client._client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.AsyncMock()
        mock_rpc.return_value = mock.Mock()
        client._client._transport._wrapped_methods[
            client._client._transport.delete_instance
        ] = mock_rpc

        request = {}
        await client.delete_instance(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        await client.delete_instance(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


@pytest.mark.asyncio
async def test_delete_instance_async(
    transport: str = "grpc_asyncio",
    request_type=spanner_instance_admin.DeleteInstanceRequest,
):
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = request_type()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.delete_instance), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(None)
        response = await client.delete_instance(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        request = spanner_instance_admin.DeleteInstanceRequest()
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert response is None


@pytest.mark.asyncio
async def test_delete_instance_async_from_dict():
    await test_delete_instance_async(request_type=dict)


def test_delete_instance_field_headers():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = spanner_instance_admin.DeleteInstanceRequest()

    request.name = "name_value"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.delete_instance), "__call__") as call:
        call.return_value = None
        client.delete_instance(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "name=name_value",
    ) in kw["metadata"]


@pytest.mark.asyncio
async def test_delete_instance_field_headers_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = spanner_instance_admin.DeleteInstanceRequest()

    request.name = "name_value"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.delete_instance), "__call__") as call:
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(None)
        await client.delete_instance(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "name=name_value",
    ) in kw["metadata"]


def test_delete_instance_flattened():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.delete_instance), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = None
        # Call the method with a truthy value for each flattened field,
        # using the keyword arguments to the method.
        client.delete_instance(
            name="name_value",
        )

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        arg = args[0].name
        mock_val = "name_value"
        assert arg == mock_val


def test_delete_instance_flattened_error():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.delete_instance(
            spanner_instance_admin.DeleteInstanceRequest(),
            name="name_value",
        )


@pytest.mark.asyncio
async def test_delete_instance_flattened_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.delete_instance), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = None

        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(None)
        # Call the method with a truthy value for each flattened field,
        # using the keyword arguments to the method.
        response = await client.delete_instance(
            name="name_value",
        )

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        arg = args[0].name
        mock_val = "name_value"
        assert arg == mock_val


@pytest.mark.asyncio
async def test_delete_instance_flattened_error_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        await client.delete_instance(
            spanner_instance_admin.DeleteInstanceRequest(),
            name="name_value",
        )


@pytest.mark.parametrize(
    "request_type",
    [
        iam_policy_pb2.SetIamPolicyRequest,
        dict,
    ],
)
def test_set_iam_policy(request_type, transport: str = "grpc"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = request_type()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.set_iam_policy), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = policy_pb2.Policy(
            version=774,
            etag=b"etag_blob",
        )
        response = client.set_iam_policy(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        request = iam_policy_pb2.SetIamPolicyRequest()
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert isinstance(response, policy_pb2.Policy)
    assert response.version == 774
    assert response.etag == b"etag_blob"


def test_set_iam_policy_non_empty_request_with_auto_populated_field():
    # This test is a coverage failsafe to make sure that UUID4 fields are
    # automatically populated, according to AIP-4235, with non-empty requests.
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="grpc",
    )

    # Populate all string fields in the request which are not UUID4
    # since we want to check that UUID4 are populated automatically
    # if they meet the requirements of AIP 4235.
    request = iam_policy_pb2.SetIamPolicyRequest(
        resource="resource_value",
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.set_iam_policy), "__call__") as call:
        call.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client.set_iam_policy(request=request)
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        assert args[0] == iam_policy_pb2.SetIamPolicyRequest(
            resource="resource_value",
        )


def test_set_iam_policy_use_cached_wrapped_rpc():
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method.wrap_method") as wrapper_fn:
        client = InstanceAdminClient(
            credentials=ga_credentials.AnonymousCredentials(),
            transport="grpc",
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert client._transport.set_iam_policy in client._transport._wrapped_methods

        # Replace cached wrapped function with mock
        mock_rpc = mock.Mock()
        mock_rpc.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client._transport._wrapped_methods[client._transport.set_iam_policy] = mock_rpc
        request = {}
        client.set_iam_policy(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        client.set_iam_policy(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


@pytest.mark.asyncio
async def test_set_iam_policy_async_use_cached_wrapped_rpc(
    transport: str = "grpc_asyncio",
):
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method_async.wrap_method") as wrapper_fn:
        client = InstanceAdminAsyncClient(
            credentials=async_anonymous_credentials(),
            transport=transport,
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._client._transport.set_iam_policy
            in client._client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.AsyncMock()
        mock_rpc.return_value = mock.Mock()
        client._client._transport._wrapped_methods[
            client._client._transport.set_iam_policy
        ] = mock_rpc

        request = {}
        await client.set_iam_policy(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        await client.set_iam_policy(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


@pytest.mark.asyncio
async def test_set_iam_policy_async(
    transport: str = "grpc_asyncio", request_type=iam_policy_pb2.SetIamPolicyRequest
):
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = request_type()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.set_iam_policy), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            policy_pb2.Policy(
                version=774,
                etag=b"etag_blob",
            )
        )
        response = await client.set_iam_policy(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        request = iam_policy_pb2.SetIamPolicyRequest()
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert isinstance(response, policy_pb2.Policy)
    assert response.version == 774
    assert response.etag == b"etag_blob"


@pytest.mark.asyncio
async def test_set_iam_policy_async_from_dict():
    await test_set_iam_policy_async(request_type=dict)


def test_set_iam_policy_field_headers():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = iam_policy_pb2.SetIamPolicyRequest()

    request.resource = "resource_value"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.set_iam_policy), "__call__") as call:
        call.return_value = policy_pb2.Policy()
        client.set_iam_policy(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "resource=resource_value",
    ) in kw["metadata"]


@pytest.mark.asyncio
async def test_set_iam_policy_field_headers_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = iam_policy_pb2.SetIamPolicyRequest()

    request.resource = "resource_value"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.set_iam_policy), "__call__") as call:
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(policy_pb2.Policy())
        await client.set_iam_policy(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "resource=resource_value",
    ) in kw["metadata"]


def test_set_iam_policy_from_dict_foreign():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )
    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.set_iam_policy), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = policy_pb2.Policy()
        response = client.set_iam_policy(
            request={
                "resource": "resource_value",
                "policy": policy_pb2.Policy(version=774),
                "update_mask": field_mask_pb2.FieldMask(paths=["paths_value"]),
            }
        )
        call.assert_called()


def test_set_iam_policy_flattened():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.set_iam_policy), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = policy_pb2.Policy()
        # Call the method with a truthy value for each flattened field,
        # using the keyword arguments to the method.
        client.set_iam_policy(
            resource="resource_value",
        )

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        arg = args[0].resource
        mock_val = "resource_value"
        assert arg == mock_val


def test_set_iam_policy_flattened_error():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.set_iam_policy(
            iam_policy_pb2.SetIamPolicyRequest(),
            resource="resource_value",
        )


@pytest.mark.asyncio
async def test_set_iam_policy_flattened_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.set_iam_policy), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = policy_pb2.Policy()

        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(policy_pb2.Policy())
        # Call the method with a truthy value for each flattened field,
        # using the keyword arguments to the method.
        response = await client.set_iam_policy(
            resource="resource_value",
        )

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        arg = args[0].resource
        mock_val = "resource_value"
        assert arg == mock_val


@pytest.mark.asyncio
async def test_set_iam_policy_flattened_error_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        await client.set_iam_policy(
            iam_policy_pb2.SetIamPolicyRequest(),
            resource="resource_value",
        )


@pytest.mark.parametrize(
    "request_type",
    [
        iam_policy_pb2.GetIamPolicyRequest,
        dict,
    ],
)
def test_get_iam_policy(request_type, transport: str = "grpc"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = request_type()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.get_iam_policy), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = policy_pb2.Policy(
            version=774,
            etag=b"etag_blob",
        )
        response = client.get_iam_policy(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        request = iam_policy_pb2.GetIamPolicyRequest()
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert isinstance(response, policy_pb2.Policy)
    assert response.version == 774
    assert response.etag == b"etag_blob"


def test_get_iam_policy_non_empty_request_with_auto_populated_field():
    # This test is a coverage failsafe to make sure that UUID4 fields are
    # automatically populated, according to AIP-4235, with non-empty requests.
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="grpc",
    )

    # Populate all string fields in the request which are not UUID4
    # since we want to check that UUID4 are populated automatically
    # if they meet the requirements of AIP 4235.
    request = iam_policy_pb2.GetIamPolicyRequest(
        resource="resource_value",
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.get_iam_policy), "__call__") as call:
        call.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client.get_iam_policy(request=request)
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        assert args[0] == iam_policy_pb2.GetIamPolicyRequest(
            resource="resource_value",
        )


def test_get_iam_policy_use_cached_wrapped_rpc():
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method.wrap_method") as wrapper_fn:
        client = InstanceAdminClient(
            credentials=ga_credentials.AnonymousCredentials(),
            transport="grpc",
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert client._transport.get_iam_policy in client._transport._wrapped_methods

        # Replace cached wrapped function with mock
        mock_rpc = mock.Mock()
        mock_rpc.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client._transport._wrapped_methods[client._transport.get_iam_policy] = mock_rpc
        request = {}
        client.get_iam_policy(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        client.get_iam_policy(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


@pytest.mark.asyncio
async def test_get_iam_policy_async_use_cached_wrapped_rpc(
    transport: str = "grpc_asyncio",
):
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method_async.wrap_method") as wrapper_fn:
        client = InstanceAdminAsyncClient(
            credentials=async_anonymous_credentials(),
            transport=transport,
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._client._transport.get_iam_policy
            in client._client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.AsyncMock()
        mock_rpc.return_value = mock.Mock()
        client._client._transport._wrapped_methods[
            client._client._transport.get_iam_policy
        ] = mock_rpc

        request = {}
        await client.get_iam_policy(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        await client.get_iam_policy(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


@pytest.mark.asyncio
async def test_get_iam_policy_async(
    transport: str = "grpc_asyncio", request_type=iam_policy_pb2.GetIamPolicyRequest
):
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = request_type()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.get_iam_policy), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            policy_pb2.Policy(
                version=774,
                etag=b"etag_blob",
            )
        )
        response = await client.get_iam_policy(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        request = iam_policy_pb2.GetIamPolicyRequest()
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert isinstance(response, policy_pb2.Policy)
    assert response.version == 774
    assert response.etag == b"etag_blob"


@pytest.mark.asyncio
async def test_get_iam_policy_async_from_dict():
    await test_get_iam_policy_async(request_type=dict)


def test_get_iam_policy_field_headers():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = iam_policy_pb2.GetIamPolicyRequest()

    request.resource = "resource_value"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.get_iam_policy), "__call__") as call:
        call.return_value = policy_pb2.Policy()
        client.get_iam_policy(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "resource=resource_value",
    ) in kw["metadata"]


@pytest.mark.asyncio
async def test_get_iam_policy_field_headers_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = iam_policy_pb2.GetIamPolicyRequest()

    request.resource = "resource_value"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.get_iam_policy), "__call__") as call:
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(policy_pb2.Policy())
        await client.get_iam_policy(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "resource=resource_value",
    ) in kw["metadata"]


def test_get_iam_policy_from_dict_foreign():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )
    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.get_iam_policy), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = policy_pb2.Policy()
        response = client.get_iam_policy(
            request={
                "resource": "resource_value",
                "options": options_pb2.GetPolicyOptions(requested_policy_version=2598),
            }
        )
        call.assert_called()


def test_get_iam_policy_flattened():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.get_iam_policy), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = policy_pb2.Policy()
        # Call the method with a truthy value for each flattened field,
        # using the keyword arguments to the method.
        client.get_iam_policy(
            resource="resource_value",
        )

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        arg = args[0].resource
        mock_val = "resource_value"
        assert arg == mock_val


def test_get_iam_policy_flattened_error():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.get_iam_policy(
            iam_policy_pb2.GetIamPolicyRequest(),
            resource="resource_value",
        )


@pytest.mark.asyncio
async def test_get_iam_policy_flattened_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.get_iam_policy), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = policy_pb2.Policy()

        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(policy_pb2.Policy())
        # Call the method with a truthy value for each flattened field,
        # using the keyword arguments to the method.
        response = await client.get_iam_policy(
            resource="resource_value",
        )

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        arg = args[0].resource
        mock_val = "resource_value"
        assert arg == mock_val


@pytest.mark.asyncio
async def test_get_iam_policy_flattened_error_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        await client.get_iam_policy(
            iam_policy_pb2.GetIamPolicyRequest(),
            resource="resource_value",
        )


@pytest.mark.parametrize(
    "request_type",
    [
        iam_policy_pb2.TestIamPermissionsRequest,
        dict,
    ],
)
def test_test_iam_permissions(request_type, transport: str = "grpc"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = request_type()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.test_iam_permissions), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = iam_policy_pb2.TestIamPermissionsResponse(
            permissions=["permissions_value"],
        )
        response = client.test_iam_permissions(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        request = iam_policy_pb2.TestIamPermissionsRequest()
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert isinstance(response, iam_policy_pb2.TestIamPermissionsResponse)
    assert response.permissions == ["permissions_value"]


def test_test_iam_permissions_non_empty_request_with_auto_populated_field():
    # This test is a coverage failsafe to make sure that UUID4 fields are
    # automatically populated, according to AIP-4235, with non-empty requests.
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="grpc",
    )

    # Populate all string fields in the request which are not UUID4
    # since we want to check that UUID4 are populated automatically
    # if they meet the requirements of AIP 4235.
    request = iam_policy_pb2.TestIamPermissionsRequest(
        resource="resource_value",
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.test_iam_permissions), "__call__"
    ) as call:
        call.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client.test_iam_permissions(request=request)
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        assert args[0] == iam_policy_pb2.TestIamPermissionsRequest(
            resource="resource_value",
        )


def test_test_iam_permissions_use_cached_wrapped_rpc():
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method.wrap_method") as wrapper_fn:
        client = InstanceAdminClient(
            credentials=ga_credentials.AnonymousCredentials(),
            transport="grpc",
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._transport.test_iam_permissions in client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.Mock()
        mock_rpc.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client._transport._wrapped_methods[
            client._transport.test_iam_permissions
        ] = mock_rpc
        request = {}
        client.test_iam_permissions(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        client.test_iam_permissions(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


@pytest.mark.asyncio
async def test_test_iam_permissions_async_use_cached_wrapped_rpc(
    transport: str = "grpc_asyncio",
):
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method_async.wrap_method") as wrapper_fn:
        client = InstanceAdminAsyncClient(
            credentials=async_anonymous_credentials(),
            transport=transport,
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._client._transport.test_iam_permissions
            in client._client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.AsyncMock()
        mock_rpc.return_value = mock.Mock()
        client._client._transport._wrapped_methods[
            client._client._transport.test_iam_permissions
        ] = mock_rpc

        request = {}
        await client.test_iam_permissions(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        await client.test_iam_permissions(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


@pytest.mark.asyncio
async def test_test_iam_permissions_async(
    transport: str = "grpc_asyncio",
    request_type=iam_policy_pb2.TestIamPermissionsRequest,
):
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = request_type()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.test_iam_permissions), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            iam_policy_pb2.TestIamPermissionsResponse(
                permissions=["permissions_value"],
            )
        )
        response = await client.test_iam_permissions(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        request = iam_policy_pb2.TestIamPermissionsRequest()
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert isinstance(response, iam_policy_pb2.TestIamPermissionsResponse)
    assert response.permissions == ["permissions_value"]


@pytest.mark.asyncio
async def test_test_iam_permissions_async_from_dict():
    await test_test_iam_permissions_async(request_type=dict)


def test_test_iam_permissions_field_headers():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = iam_policy_pb2.TestIamPermissionsRequest()

    request.resource = "resource_value"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.test_iam_permissions), "__call__"
    ) as call:
        call.return_value = iam_policy_pb2.TestIamPermissionsResponse()
        client.test_iam_permissions(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "resource=resource_value",
    ) in kw["metadata"]


@pytest.mark.asyncio
async def test_test_iam_permissions_field_headers_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = iam_policy_pb2.TestIamPermissionsRequest()

    request.resource = "resource_value"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.test_iam_permissions), "__call__"
    ) as call:
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            iam_policy_pb2.TestIamPermissionsResponse()
        )
        await client.test_iam_permissions(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "resource=resource_value",
    ) in kw["metadata"]


def test_test_iam_permissions_from_dict_foreign():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )
    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.test_iam_permissions), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = iam_policy_pb2.TestIamPermissionsResponse()
        response = client.test_iam_permissions(
            request={
                "resource": "resource_value",
                "permissions": ["permissions_value"],
            }
        )
        call.assert_called()


def test_test_iam_permissions_flattened():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.test_iam_permissions), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = iam_policy_pb2.TestIamPermissionsResponse()
        # Call the method with a truthy value for each flattened field,
        # using the keyword arguments to the method.
        client.test_iam_permissions(
            resource="resource_value",
            permissions=["permissions_value"],
        )

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        arg = args[0].resource
        mock_val = "resource_value"
        assert arg == mock_val
        arg = args[0].permissions
        mock_val = ["permissions_value"]
        assert arg == mock_val


def test_test_iam_permissions_flattened_error():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.test_iam_permissions(
            iam_policy_pb2.TestIamPermissionsRequest(),
            resource="resource_value",
            permissions=["permissions_value"],
        )


@pytest.mark.asyncio
async def test_test_iam_permissions_flattened_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.test_iam_permissions), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = iam_policy_pb2.TestIamPermissionsResponse()

        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            iam_policy_pb2.TestIamPermissionsResponse()
        )
        # Call the method with a truthy value for each flattened field,
        # using the keyword arguments to the method.
        response = await client.test_iam_permissions(
            resource="resource_value",
            permissions=["permissions_value"],
        )

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        arg = args[0].resource
        mock_val = "resource_value"
        assert arg == mock_val
        arg = args[0].permissions
        mock_val = ["permissions_value"]
        assert arg == mock_val


@pytest.mark.asyncio
async def test_test_iam_permissions_flattened_error_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        await client.test_iam_permissions(
            iam_policy_pb2.TestIamPermissionsRequest(),
            resource="resource_value",
            permissions=["permissions_value"],
        )


@pytest.mark.parametrize(
    "request_type",
    [
        spanner_instance_admin.GetInstancePartitionRequest,
        dict,
    ],
)
def test_get_instance_partition(request_type, transport: str = "grpc"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = request_type()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.get_instance_partition), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = spanner_instance_admin.InstancePartition(
            name="name_value",
            config="config_value",
            display_name="display_name_value",
            state=spanner_instance_admin.InstancePartition.State.CREATING,
            referencing_databases=["referencing_databases_value"],
            referencing_backups=["referencing_backups_value"],
            etag="etag_value",
            node_count=1070,
        )
        response = client.get_instance_partition(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        request = spanner_instance_admin.GetInstancePartitionRequest()
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert isinstance(response, spanner_instance_admin.InstancePartition)
    assert response.name == "name_value"
    assert response.config == "config_value"
    assert response.display_name == "display_name_value"
    assert response.state == spanner_instance_admin.InstancePartition.State.CREATING
    assert response.referencing_databases == ["referencing_databases_value"]
    assert response.referencing_backups == ["referencing_backups_value"]
    assert response.etag == "etag_value"


def test_get_instance_partition_non_empty_request_with_auto_populated_field():
    # This test is a coverage failsafe to make sure that UUID4 fields are
    # automatically populated, according to AIP-4235, with non-empty requests.
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="grpc",
    )

    # Populate all string fields in the request which are not UUID4
    # since we want to check that UUID4 are populated automatically
    # if they meet the requirements of AIP 4235.
    request = spanner_instance_admin.GetInstancePartitionRequest(
        name="name_value",
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.get_instance_partition), "__call__"
    ) as call:
        call.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client.get_instance_partition(request=request)
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        assert args[0] == spanner_instance_admin.GetInstancePartitionRequest(
            name="name_value",
        )


def test_get_instance_partition_use_cached_wrapped_rpc():
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method.wrap_method") as wrapper_fn:
        client = InstanceAdminClient(
            credentials=ga_credentials.AnonymousCredentials(),
            transport="grpc",
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._transport.get_instance_partition
            in client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.Mock()
        mock_rpc.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client._transport._wrapped_methods[
            client._transport.get_instance_partition
        ] = mock_rpc
        request = {}
        client.get_instance_partition(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        client.get_instance_partition(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


@pytest.mark.asyncio
async def test_get_instance_partition_async_use_cached_wrapped_rpc(
    transport: str = "grpc_asyncio",
):
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method_async.wrap_method") as wrapper_fn:
        client = InstanceAdminAsyncClient(
            credentials=async_anonymous_credentials(),
            transport=transport,
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._client._transport.get_instance_partition
            in client._client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.AsyncMock()
        mock_rpc.return_value = mock.Mock()
        client._client._transport._wrapped_methods[
            client._client._transport.get_instance_partition
        ] = mock_rpc

        request = {}
        await client.get_instance_partition(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        await client.get_instance_partition(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


@pytest.mark.asyncio
async def test_get_instance_partition_async(
    transport: str = "grpc_asyncio",
    request_type=spanner_instance_admin.GetInstancePartitionRequest,
):
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = request_type()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.get_instance_partition), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            spanner_instance_admin.InstancePartition(
                name="name_value",
                config="config_value",
                display_name="display_name_value",
                state=spanner_instance_admin.InstancePartition.State.CREATING,
                referencing_databases=["referencing_databases_value"],
                referencing_backups=["referencing_backups_value"],
                etag="etag_value",
            )
        )
        response = await client.get_instance_partition(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        request = spanner_instance_admin.GetInstancePartitionRequest()
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert isinstance(response, spanner_instance_admin.InstancePartition)
    assert response.name == "name_value"
    assert response.config == "config_value"
    assert response.display_name == "display_name_value"
    assert response.state == spanner_instance_admin.InstancePartition.State.CREATING
    assert response.referencing_databases == ["referencing_databases_value"]
    assert response.referencing_backups == ["referencing_backups_value"]
    assert response.etag == "etag_value"


@pytest.mark.asyncio
async def test_get_instance_partition_async_from_dict():
    await test_get_instance_partition_async(request_type=dict)


def test_get_instance_partition_field_headers():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = spanner_instance_admin.GetInstancePartitionRequest()

    request.name = "name_value"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.get_instance_partition), "__call__"
    ) as call:
        call.return_value = spanner_instance_admin.InstancePartition()
        client.get_instance_partition(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "name=name_value",
    ) in kw["metadata"]


@pytest.mark.asyncio
async def test_get_instance_partition_field_headers_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = spanner_instance_admin.GetInstancePartitionRequest()

    request.name = "name_value"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.get_instance_partition), "__call__"
    ) as call:
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            spanner_instance_admin.InstancePartition()
        )
        await client.get_instance_partition(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "name=name_value",
    ) in kw["metadata"]


def test_get_instance_partition_flattened():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.get_instance_partition), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = spanner_instance_admin.InstancePartition()
        # Call the method with a truthy value for each flattened field,
        # using the keyword arguments to the method.
        client.get_instance_partition(
            name="name_value",
        )

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        arg = args[0].name
        mock_val = "name_value"
        assert arg == mock_val


def test_get_instance_partition_flattened_error():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.get_instance_partition(
            spanner_instance_admin.GetInstancePartitionRequest(),
            name="name_value",
        )


@pytest.mark.asyncio
async def test_get_instance_partition_flattened_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.get_instance_partition), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = spanner_instance_admin.InstancePartition()

        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            spanner_instance_admin.InstancePartition()
        )
        # Call the method with a truthy value for each flattened field,
        # using the keyword arguments to the method.
        response = await client.get_instance_partition(
            name="name_value",
        )

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        arg = args[0].name
        mock_val = "name_value"
        assert arg == mock_val


@pytest.mark.asyncio
async def test_get_instance_partition_flattened_error_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        await client.get_instance_partition(
            spanner_instance_admin.GetInstancePartitionRequest(),
            name="name_value",
        )


@pytest.mark.parametrize(
    "request_type",
    [
        spanner_instance_admin.CreateInstancePartitionRequest,
        dict,
    ],
)
def test_create_instance_partition(request_type, transport: str = "grpc"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = request_type()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.create_instance_partition), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = operations_pb2.Operation(name="operations/spam")
        response = client.create_instance_partition(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        request = spanner_instance_admin.CreateInstancePartitionRequest()
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert isinstance(response, future.Future)


def test_create_instance_partition_non_empty_request_with_auto_populated_field():
    # This test is a coverage failsafe to make sure that UUID4 fields are
    # automatically populated, according to AIP-4235, with non-empty requests.
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="grpc",
    )

    # Populate all string fields in the request which are not UUID4
    # since we want to check that UUID4 are populated automatically
    # if they meet the requirements of AIP 4235.
    request = spanner_instance_admin.CreateInstancePartitionRequest(
        parent="parent_value",
        instance_partition_id="instance_partition_id_value",
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.create_instance_partition), "__call__"
    ) as call:
        call.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client.create_instance_partition(request=request)
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        assert args[0] == spanner_instance_admin.CreateInstancePartitionRequest(
            parent="parent_value",
            instance_partition_id="instance_partition_id_value",
        )


def test_create_instance_partition_use_cached_wrapped_rpc():
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method.wrap_method") as wrapper_fn:
        client = InstanceAdminClient(
            credentials=ga_credentials.AnonymousCredentials(),
            transport="grpc",
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._transport.create_instance_partition
            in client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.Mock()
        mock_rpc.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client._transport._wrapped_methods[
            client._transport.create_instance_partition
        ] = mock_rpc
        request = {}
        client.create_instance_partition(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        # Operation methods call wrapper_fn to build a cached
        # client._transport.operations_client instance on first rpc call.
        # Subsequent calls should use the cached wrapper
        wrapper_fn.reset_mock()

        client.create_instance_partition(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


@pytest.mark.asyncio
async def test_create_instance_partition_async_use_cached_wrapped_rpc(
    transport: str = "grpc_asyncio",
):
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method_async.wrap_method") as wrapper_fn:
        client = InstanceAdminAsyncClient(
            credentials=async_anonymous_credentials(),
            transport=transport,
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._client._transport.create_instance_partition
            in client._client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.AsyncMock()
        mock_rpc.return_value = mock.Mock()
        client._client._transport._wrapped_methods[
            client._client._transport.create_instance_partition
        ] = mock_rpc

        request = {}
        await client.create_instance_partition(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        # Operation methods call wrapper_fn to build a cached
        # client._transport.operations_client instance on first rpc call.
        # Subsequent calls should use the cached wrapper
        wrapper_fn.reset_mock()

        await client.create_instance_partition(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


@pytest.mark.asyncio
async def test_create_instance_partition_async(
    transport: str = "grpc_asyncio",
    request_type=spanner_instance_admin.CreateInstancePartitionRequest,
):
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = request_type()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.create_instance_partition), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            operations_pb2.Operation(name="operations/spam")
        )
        response = await client.create_instance_partition(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        request = spanner_instance_admin.CreateInstancePartitionRequest()
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert isinstance(response, future.Future)


@pytest.mark.asyncio
async def test_create_instance_partition_async_from_dict():
    await test_create_instance_partition_async(request_type=dict)


def test_create_instance_partition_field_headers():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = spanner_instance_admin.CreateInstancePartitionRequest()

    request.parent = "parent_value"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.create_instance_partition), "__call__"
    ) as call:
        call.return_value = operations_pb2.Operation(name="operations/op")
        client.create_instance_partition(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "parent=parent_value",
    ) in kw["metadata"]


@pytest.mark.asyncio
async def test_create_instance_partition_field_headers_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = spanner_instance_admin.CreateInstancePartitionRequest()

    request.parent = "parent_value"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.create_instance_partition), "__call__"
    ) as call:
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            operations_pb2.Operation(name="operations/op")
        )
        await client.create_instance_partition(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "parent=parent_value",
    ) in kw["metadata"]


def test_create_instance_partition_flattened():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.create_instance_partition), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = operations_pb2.Operation(name="operations/op")
        # Call the method with a truthy value for each flattened field,
        # using the keyword arguments to the method.
        client.create_instance_partition(
            parent="parent_value",
            instance_partition=spanner_instance_admin.InstancePartition(
                name="name_value"
            ),
            instance_partition_id="instance_partition_id_value",
        )

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        arg = args[0].parent
        mock_val = "parent_value"
        assert arg == mock_val
        arg = args[0].instance_partition
        mock_val = spanner_instance_admin.InstancePartition(name="name_value")
        assert arg == mock_val
        arg = args[0].instance_partition_id
        mock_val = "instance_partition_id_value"
        assert arg == mock_val


def test_create_instance_partition_flattened_error():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.create_instance_partition(
            spanner_instance_admin.CreateInstancePartitionRequest(),
            parent="parent_value",
            instance_partition=spanner_instance_admin.InstancePartition(
                name="name_value"
            ),
            instance_partition_id="instance_partition_id_value",
        )


@pytest.mark.asyncio
async def test_create_instance_partition_flattened_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.create_instance_partition), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = operations_pb2.Operation(name="operations/op")

        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            operations_pb2.Operation(name="operations/spam")
        )
        # Call the method with a truthy value for each flattened field,
        # using the keyword arguments to the method.
        response = await client.create_instance_partition(
            parent="parent_value",
            instance_partition=spanner_instance_admin.InstancePartition(
                name="name_value"
            ),
            instance_partition_id="instance_partition_id_value",
        )

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        arg = args[0].parent
        mock_val = "parent_value"
        assert arg == mock_val
        arg = args[0].instance_partition
        mock_val = spanner_instance_admin.InstancePartition(name="name_value")
        assert arg == mock_val
        arg = args[0].instance_partition_id
        mock_val = "instance_partition_id_value"
        assert arg == mock_val


@pytest.mark.asyncio
async def test_create_instance_partition_flattened_error_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        await client.create_instance_partition(
            spanner_instance_admin.CreateInstancePartitionRequest(),
            parent="parent_value",
            instance_partition=spanner_instance_admin.InstancePartition(
                name="name_value"
            ),
            instance_partition_id="instance_partition_id_value",
        )


@pytest.mark.parametrize(
    "request_type",
    [
        spanner_instance_admin.DeleteInstancePartitionRequest,
        dict,
    ],
)
def test_delete_instance_partition(request_type, transport: str = "grpc"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = request_type()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.delete_instance_partition), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = None
        response = client.delete_instance_partition(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        request = spanner_instance_admin.DeleteInstancePartitionRequest()
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert response is None


def test_delete_instance_partition_non_empty_request_with_auto_populated_field():
    # This test is a coverage failsafe to make sure that UUID4 fields are
    # automatically populated, according to AIP-4235, with non-empty requests.
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="grpc",
    )

    # Populate all string fields in the request which are not UUID4
    # since we want to check that UUID4 are populated automatically
    # if they meet the requirements of AIP 4235.
    request = spanner_instance_admin.DeleteInstancePartitionRequest(
        name="name_value",
        etag="etag_value",
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.delete_instance_partition), "__call__"
    ) as call:
        call.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client.delete_instance_partition(request=request)
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        assert args[0] == spanner_instance_admin.DeleteInstancePartitionRequest(
            name="name_value",
            etag="etag_value",
        )


def test_delete_instance_partition_use_cached_wrapped_rpc():
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method.wrap_method") as wrapper_fn:
        client = InstanceAdminClient(
            credentials=ga_credentials.AnonymousCredentials(),
            transport="grpc",
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._transport.delete_instance_partition
            in client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.Mock()
        mock_rpc.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client._transport._wrapped_methods[
            client._transport.delete_instance_partition
        ] = mock_rpc
        request = {}
        client.delete_instance_partition(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        client.delete_instance_partition(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


@pytest.mark.asyncio
async def test_delete_instance_partition_async_use_cached_wrapped_rpc(
    transport: str = "grpc_asyncio",
):
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method_async.wrap_method") as wrapper_fn:
        client = InstanceAdminAsyncClient(
            credentials=async_anonymous_credentials(),
            transport=transport,
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._client._transport.delete_instance_partition
            in client._client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.AsyncMock()
        mock_rpc.return_value = mock.Mock()
        client._client._transport._wrapped_methods[
            client._client._transport.delete_instance_partition
        ] = mock_rpc

        request = {}
        await client.delete_instance_partition(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        await client.delete_instance_partition(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


@pytest.mark.asyncio
async def test_delete_instance_partition_async(
    transport: str = "grpc_asyncio",
    request_type=spanner_instance_admin.DeleteInstancePartitionRequest,
):
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = request_type()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.delete_instance_partition), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(None)
        response = await client.delete_instance_partition(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        request = spanner_instance_admin.DeleteInstancePartitionRequest()
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert response is None


@pytest.mark.asyncio
async def test_delete_instance_partition_async_from_dict():
    await test_delete_instance_partition_async(request_type=dict)


def test_delete_instance_partition_field_headers():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = spanner_instance_admin.DeleteInstancePartitionRequest()

    request.name = "name_value"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.delete_instance_partition), "__call__"
    ) as call:
        call.return_value = None
        client.delete_instance_partition(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "name=name_value",
    ) in kw["metadata"]


@pytest.mark.asyncio
async def test_delete_instance_partition_field_headers_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = spanner_instance_admin.DeleteInstancePartitionRequest()

    request.name = "name_value"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.delete_instance_partition), "__call__"
    ) as call:
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(None)
        await client.delete_instance_partition(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "name=name_value",
    ) in kw["metadata"]


def test_delete_instance_partition_flattened():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.delete_instance_partition), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = None
        # Call the method with a truthy value for each flattened field,
        # using the keyword arguments to the method.
        client.delete_instance_partition(
            name="name_value",
        )

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        arg = args[0].name
        mock_val = "name_value"
        assert arg == mock_val


def test_delete_instance_partition_flattened_error():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.delete_instance_partition(
            spanner_instance_admin.DeleteInstancePartitionRequest(),
            name="name_value",
        )


@pytest.mark.asyncio
async def test_delete_instance_partition_flattened_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.delete_instance_partition), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = None

        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(None)
        # Call the method with a truthy value for each flattened field,
        # using the keyword arguments to the method.
        response = await client.delete_instance_partition(
            name="name_value",
        )

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        arg = args[0].name
        mock_val = "name_value"
        assert arg == mock_val


@pytest.mark.asyncio
async def test_delete_instance_partition_flattened_error_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        await client.delete_instance_partition(
            spanner_instance_admin.DeleteInstancePartitionRequest(),
            name="name_value",
        )


@pytest.mark.parametrize(
    "request_type",
    [
        spanner_instance_admin.UpdateInstancePartitionRequest,
        dict,
    ],
)
def test_update_instance_partition(request_type, transport: str = "grpc"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = request_type()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.update_instance_partition), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = operations_pb2.Operation(name="operations/spam")
        response = client.update_instance_partition(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        request = spanner_instance_admin.UpdateInstancePartitionRequest()
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert isinstance(response, future.Future)


def test_update_instance_partition_non_empty_request_with_auto_populated_field():
    # This test is a coverage failsafe to make sure that UUID4 fields are
    # automatically populated, according to AIP-4235, with non-empty requests.
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="grpc",
    )

    # Populate all string fields in the request which are not UUID4
    # since we want to check that UUID4 are populated automatically
    # if they meet the requirements of AIP 4235.
    request = spanner_instance_admin.UpdateInstancePartitionRequest()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.update_instance_partition), "__call__"
    ) as call:
        call.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client.update_instance_partition(request=request)
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        assert args[0] == spanner_instance_admin.UpdateInstancePartitionRequest()


def test_update_instance_partition_use_cached_wrapped_rpc():
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method.wrap_method") as wrapper_fn:
        client = InstanceAdminClient(
            credentials=ga_credentials.AnonymousCredentials(),
            transport="grpc",
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._transport.update_instance_partition
            in client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.Mock()
        mock_rpc.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client._transport._wrapped_methods[
            client._transport.update_instance_partition
        ] = mock_rpc
        request = {}
        client.update_instance_partition(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        # Operation methods call wrapper_fn to build a cached
        # client._transport.operations_client instance on first rpc call.
        # Subsequent calls should use the cached wrapper
        wrapper_fn.reset_mock()

        client.update_instance_partition(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


@pytest.mark.asyncio
async def test_update_instance_partition_async_use_cached_wrapped_rpc(
    transport: str = "grpc_asyncio",
):
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method_async.wrap_method") as wrapper_fn:
        client = InstanceAdminAsyncClient(
            credentials=async_anonymous_credentials(),
            transport=transport,
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._client._transport.update_instance_partition
            in client._client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.AsyncMock()
        mock_rpc.return_value = mock.Mock()
        client._client._transport._wrapped_methods[
            client._client._transport.update_instance_partition
        ] = mock_rpc

        request = {}
        await client.update_instance_partition(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        # Operation methods call wrapper_fn to build a cached
        # client._transport.operations_client instance on first rpc call.
        # Subsequent calls should use the cached wrapper
        wrapper_fn.reset_mock()

        await client.update_instance_partition(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


@pytest.mark.asyncio
async def test_update_instance_partition_async(
    transport: str = "grpc_asyncio",
    request_type=spanner_instance_admin.UpdateInstancePartitionRequest,
):
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = request_type()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.update_instance_partition), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            operations_pb2.Operation(name="operations/spam")
        )
        response = await client.update_instance_partition(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        request = spanner_instance_admin.UpdateInstancePartitionRequest()
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert isinstance(response, future.Future)


@pytest.mark.asyncio
async def test_update_instance_partition_async_from_dict():
    await test_update_instance_partition_async(request_type=dict)


def test_update_instance_partition_field_headers():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = spanner_instance_admin.UpdateInstancePartitionRequest()

    request.instance_partition.name = "name_value"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.update_instance_partition), "__call__"
    ) as call:
        call.return_value = operations_pb2.Operation(name="operations/op")
        client.update_instance_partition(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "instance_partition.name=name_value",
    ) in kw["metadata"]


@pytest.mark.asyncio
async def test_update_instance_partition_field_headers_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = spanner_instance_admin.UpdateInstancePartitionRequest()

    request.instance_partition.name = "name_value"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.update_instance_partition), "__call__"
    ) as call:
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            operations_pb2.Operation(name="operations/op")
        )
        await client.update_instance_partition(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "instance_partition.name=name_value",
    ) in kw["metadata"]


def test_update_instance_partition_flattened():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.update_instance_partition), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = operations_pb2.Operation(name="operations/op")
        # Call the method with a truthy value for each flattened field,
        # using the keyword arguments to the method.
        client.update_instance_partition(
            instance_partition=spanner_instance_admin.InstancePartition(
                name="name_value"
            ),
            field_mask=field_mask_pb2.FieldMask(paths=["paths_value"]),
        )

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        arg = args[0].instance_partition
        mock_val = spanner_instance_admin.InstancePartition(name="name_value")
        assert arg == mock_val
        arg = args[0].field_mask
        mock_val = field_mask_pb2.FieldMask(paths=["paths_value"])
        assert arg == mock_val


def test_update_instance_partition_flattened_error():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.update_instance_partition(
            spanner_instance_admin.UpdateInstancePartitionRequest(),
            instance_partition=spanner_instance_admin.InstancePartition(
                name="name_value"
            ),
            field_mask=field_mask_pb2.FieldMask(paths=["paths_value"]),
        )


@pytest.mark.asyncio
async def test_update_instance_partition_flattened_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.update_instance_partition), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = operations_pb2.Operation(name="operations/op")

        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            operations_pb2.Operation(name="operations/spam")
        )
        # Call the method with a truthy value for each flattened field,
        # using the keyword arguments to the method.
        response = await client.update_instance_partition(
            instance_partition=spanner_instance_admin.InstancePartition(
                name="name_value"
            ),
            field_mask=field_mask_pb2.FieldMask(paths=["paths_value"]),
        )

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        arg = args[0].instance_partition
        mock_val = spanner_instance_admin.InstancePartition(name="name_value")
        assert arg == mock_val
        arg = args[0].field_mask
        mock_val = field_mask_pb2.FieldMask(paths=["paths_value"])
        assert arg == mock_val


@pytest.mark.asyncio
async def test_update_instance_partition_flattened_error_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        await client.update_instance_partition(
            spanner_instance_admin.UpdateInstancePartitionRequest(),
            instance_partition=spanner_instance_admin.InstancePartition(
                name="name_value"
            ),
            field_mask=field_mask_pb2.FieldMask(paths=["paths_value"]),
        )


@pytest.mark.parametrize(
    "request_type",
    [
        spanner_instance_admin.ListInstancePartitionOperationsRequest,
        dict,
    ],
)
def test_list_instance_partition_operations(request_type, transport: str = "grpc"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = request_type()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_partition_operations), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = (
            spanner_instance_admin.ListInstancePartitionOperationsResponse(
                next_page_token="next_page_token_value",
                unreachable_instance_partitions=[
                    "unreachable_instance_partitions_value"
                ],
            )
        )
        response = client.list_instance_partition_operations(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        request = spanner_instance_admin.ListInstancePartitionOperationsRequest()
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert isinstance(response, pagers.ListInstancePartitionOperationsPager)
    assert response.next_page_token == "next_page_token_value"
    assert response.unreachable_instance_partitions == [
        "unreachable_instance_partitions_value"
    ]


def test_list_instance_partition_operations_non_empty_request_with_auto_populated_field():
    # This test is a coverage failsafe to make sure that UUID4 fields are
    # automatically populated, according to AIP-4235, with non-empty requests.
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="grpc",
    )

    # Populate all string fields in the request which are not UUID4
    # since we want to check that UUID4 are populated automatically
    # if they meet the requirements of AIP 4235.
    request = spanner_instance_admin.ListInstancePartitionOperationsRequest(
        parent="parent_value",
        filter="filter_value",
        page_token="page_token_value",
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_partition_operations), "__call__"
    ) as call:
        call.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client.list_instance_partition_operations(request=request)
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        assert args[0] == spanner_instance_admin.ListInstancePartitionOperationsRequest(
            parent="parent_value",
            filter="filter_value",
            page_token="page_token_value",
        )


def test_list_instance_partition_operations_use_cached_wrapped_rpc():
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method.wrap_method") as wrapper_fn:
        client = InstanceAdminClient(
            credentials=ga_credentials.AnonymousCredentials(),
            transport="grpc",
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._transport.list_instance_partition_operations
            in client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.Mock()
        mock_rpc.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client._transport._wrapped_methods[
            client._transport.list_instance_partition_operations
        ] = mock_rpc
        request = {}
        client.list_instance_partition_operations(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        client.list_instance_partition_operations(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


@pytest.mark.asyncio
async def test_list_instance_partition_operations_async_use_cached_wrapped_rpc(
    transport: str = "grpc_asyncio",
):
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method_async.wrap_method") as wrapper_fn:
        client = InstanceAdminAsyncClient(
            credentials=async_anonymous_credentials(),
            transport=transport,
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._client._transport.list_instance_partition_operations
            in client._client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.AsyncMock()
        mock_rpc.return_value = mock.Mock()
        client._client._transport._wrapped_methods[
            client._client._transport.list_instance_partition_operations
        ] = mock_rpc

        request = {}
        await client.list_instance_partition_operations(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        await client.list_instance_partition_operations(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


@pytest.mark.asyncio
async def test_list_instance_partition_operations_async(
    transport: str = "grpc_asyncio",
    request_type=spanner_instance_admin.ListInstancePartitionOperationsRequest,
):
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = request_type()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_partition_operations), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            spanner_instance_admin.ListInstancePartitionOperationsResponse(
                next_page_token="next_page_token_value",
                unreachable_instance_partitions=[
                    "unreachable_instance_partitions_value"
                ],
            )
        )
        response = await client.list_instance_partition_operations(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        request = spanner_instance_admin.ListInstancePartitionOperationsRequest()
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert isinstance(response, pagers.ListInstancePartitionOperationsAsyncPager)
    assert response.next_page_token == "next_page_token_value"
    assert response.unreachable_instance_partitions == [
        "unreachable_instance_partitions_value"
    ]


@pytest.mark.asyncio
async def test_list_instance_partition_operations_async_from_dict():
    await test_list_instance_partition_operations_async(request_type=dict)


def test_list_instance_partition_operations_field_headers():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = spanner_instance_admin.ListInstancePartitionOperationsRequest()

    request.parent = "parent_value"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_partition_operations), "__call__"
    ) as call:
        call.return_value = (
            spanner_instance_admin.ListInstancePartitionOperationsResponse()
        )
        client.list_instance_partition_operations(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "parent=parent_value",
    ) in kw["metadata"]


@pytest.mark.asyncio
async def test_list_instance_partition_operations_field_headers_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = spanner_instance_admin.ListInstancePartitionOperationsRequest()

    request.parent = "parent_value"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_partition_operations), "__call__"
    ) as call:
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            spanner_instance_admin.ListInstancePartitionOperationsResponse()
        )
        await client.list_instance_partition_operations(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "parent=parent_value",
    ) in kw["metadata"]


def test_list_instance_partition_operations_flattened():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_partition_operations), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = (
            spanner_instance_admin.ListInstancePartitionOperationsResponse()
        )
        # Call the method with a truthy value for each flattened field,
        # using the keyword arguments to the method.
        client.list_instance_partition_operations(
            parent="parent_value",
        )

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        arg = args[0].parent
        mock_val = "parent_value"
        assert arg == mock_val


def test_list_instance_partition_operations_flattened_error():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.list_instance_partition_operations(
            spanner_instance_admin.ListInstancePartitionOperationsRequest(),
            parent="parent_value",
        )


@pytest.mark.asyncio
async def test_list_instance_partition_operations_flattened_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_partition_operations), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = (
            spanner_instance_admin.ListInstancePartitionOperationsResponse()
        )

        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            spanner_instance_admin.ListInstancePartitionOperationsResponse()
        )
        # Call the method with a truthy value for each flattened field,
        # using the keyword arguments to the method.
        response = await client.list_instance_partition_operations(
            parent="parent_value",
        )

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        arg = args[0].parent
        mock_val = "parent_value"
        assert arg == mock_val


@pytest.mark.asyncio
async def test_list_instance_partition_operations_flattened_error_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        await client.list_instance_partition_operations(
            spanner_instance_admin.ListInstancePartitionOperationsRequest(),
            parent="parent_value",
        )


def test_list_instance_partition_operations_pager(transport_name: str = "grpc"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport_name,
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_partition_operations), "__call__"
    ) as call:
        # Set the response to a series of pages.
        call.side_effect = (
            spanner_instance_admin.ListInstancePartitionOperationsResponse(
                operations=[
                    operations_pb2.Operation(),
                    operations_pb2.Operation(),
                    operations_pb2.Operation(),
                ],
                next_page_token="abc",
            ),
            spanner_instance_admin.ListInstancePartitionOperationsResponse(
                operations=[],
                next_page_token="def",
            ),
            spanner_instance_admin.ListInstancePartitionOperationsResponse(
                operations=[
                    operations_pb2.Operation(),
                ],
                next_page_token="ghi",
            ),
            spanner_instance_admin.ListInstancePartitionOperationsResponse(
                operations=[
                    operations_pb2.Operation(),
                    operations_pb2.Operation(),
                ],
            ),
            RuntimeError,
        )

        expected_metadata = ()
        retry = retries.Retry()
        timeout = 5
        expected_metadata = tuple(expected_metadata) + (
            gapic_v1.routing_header.to_grpc_metadata((("parent", ""),)),
        )
        pager = client.list_instance_partition_operations(
            request={}, retry=retry, timeout=timeout
        )

        assert pager._metadata == expected_metadata
        assert pager._retry == retry
        assert pager._timeout == timeout

        results = list(pager)
        assert len(results) == 6
        assert all(isinstance(i, operations_pb2.Operation) for i in results)


def test_list_instance_partition_operations_pages(transport_name: str = "grpc"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport_name,
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_partition_operations), "__call__"
    ) as call:
        # Set the response to a series of pages.
        call.side_effect = (
            spanner_instance_admin.ListInstancePartitionOperationsResponse(
                operations=[
                    operations_pb2.Operation(),
                    operations_pb2.Operation(),
                    operations_pb2.Operation(),
                ],
                next_page_token="abc",
            ),
            spanner_instance_admin.ListInstancePartitionOperationsResponse(
                operations=[],
                next_page_token="def",
            ),
            spanner_instance_admin.ListInstancePartitionOperationsResponse(
                operations=[
                    operations_pb2.Operation(),
                ],
                next_page_token="ghi",
            ),
            spanner_instance_admin.ListInstancePartitionOperationsResponse(
                operations=[
                    operations_pb2.Operation(),
                    operations_pb2.Operation(),
                ],
            ),
            RuntimeError,
        )
        pages = list(client.list_instance_partition_operations(request={}).pages)
        for page_, token in zip(pages, ["abc", "def", "ghi", ""]):
            assert page_.raw_page.next_page_token == token


@pytest.mark.asyncio
async def test_list_instance_partition_operations_async_pager():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_partition_operations),
        "__call__",
        new_callable=mock.AsyncMock,
    ) as call:
        # Set the response to a series of pages.
        call.side_effect = (
            spanner_instance_admin.ListInstancePartitionOperationsResponse(
                operations=[
                    operations_pb2.Operation(),
                    operations_pb2.Operation(),
                    operations_pb2.Operation(),
                ],
                next_page_token="abc",
            ),
            spanner_instance_admin.ListInstancePartitionOperationsResponse(
                operations=[],
                next_page_token="def",
            ),
            spanner_instance_admin.ListInstancePartitionOperationsResponse(
                operations=[
                    operations_pb2.Operation(),
                ],
                next_page_token="ghi",
            ),
            spanner_instance_admin.ListInstancePartitionOperationsResponse(
                operations=[
                    operations_pb2.Operation(),
                    operations_pb2.Operation(),
                ],
            ),
            RuntimeError,
        )
        async_pager = await client.list_instance_partition_operations(
            request={},
        )
        assert async_pager.next_page_token == "abc"
        responses = []
        async for response in async_pager:  # pragma: no branch
            responses.append(response)

        assert len(responses) == 6
        assert all(isinstance(i, operations_pb2.Operation) for i in responses)


@pytest.mark.asyncio
async def test_list_instance_partition_operations_async_pages():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_partition_operations),
        "__call__",
        new_callable=mock.AsyncMock,
    ) as call:
        # Set the response to a series of pages.
        call.side_effect = (
            spanner_instance_admin.ListInstancePartitionOperationsResponse(
                operations=[
                    operations_pb2.Operation(),
                    operations_pb2.Operation(),
                    operations_pb2.Operation(),
                ],
                next_page_token="abc",
            ),
            spanner_instance_admin.ListInstancePartitionOperationsResponse(
                operations=[],
                next_page_token="def",
            ),
            spanner_instance_admin.ListInstancePartitionOperationsResponse(
                operations=[
                    operations_pb2.Operation(),
                ],
                next_page_token="ghi",
            ),
            spanner_instance_admin.ListInstancePartitionOperationsResponse(
                operations=[
                    operations_pb2.Operation(),
                    operations_pb2.Operation(),
                ],
            ),
            RuntimeError,
        )
        pages = []
        # Workaround issue in python 3.9 related to code coverage by adding `# pragma: no branch`
        # See https://github.com/googleapis/gapic-generator-python/pull/1174#issuecomment-1025132372
        async for page_ in (  # pragma: no branch
            await client.list_instance_partition_operations(request={})
        ).pages:
            pages.append(page_)
        for page_, token in zip(pages, ["abc", "def", "ghi", ""]):
            assert page_.raw_page.next_page_token == token


@pytest.mark.parametrize(
    "request_type",
    [
        spanner_instance_admin.MoveInstanceRequest,
        dict,
    ],
)
def test_move_instance(request_type, transport: str = "grpc"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = request_type()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.move_instance), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = operations_pb2.Operation(name="operations/spam")
        response = client.move_instance(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        request = spanner_instance_admin.MoveInstanceRequest()
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert isinstance(response, future.Future)


def test_move_instance_non_empty_request_with_auto_populated_field():
    # This test is a coverage failsafe to make sure that UUID4 fields are
    # automatically populated, according to AIP-4235, with non-empty requests.
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="grpc",
    )

    # Populate all string fields in the request which are not UUID4
    # since we want to check that UUID4 are populated automatically
    # if they meet the requirements of AIP 4235.
    request = spanner_instance_admin.MoveInstanceRequest(
        name="name_value",
        target_config="target_config_value",
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.move_instance), "__call__") as call:
        call.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client.move_instance(request=request)
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        assert args[0] == spanner_instance_admin.MoveInstanceRequest(
            name="name_value",
            target_config="target_config_value",
        )


def test_move_instance_use_cached_wrapped_rpc():
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method.wrap_method") as wrapper_fn:
        client = InstanceAdminClient(
            credentials=ga_credentials.AnonymousCredentials(),
            transport="grpc",
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert client._transport.move_instance in client._transport._wrapped_methods

        # Replace cached wrapped function with mock
        mock_rpc = mock.Mock()
        mock_rpc.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client._transport._wrapped_methods[client._transport.move_instance] = mock_rpc
        request = {}
        client.move_instance(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        # Operation methods call wrapper_fn to build a cached
        # client._transport.operations_client instance on first rpc call.
        # Subsequent calls should use the cached wrapper
        wrapper_fn.reset_mock()

        client.move_instance(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


@pytest.mark.asyncio
async def test_move_instance_async_use_cached_wrapped_rpc(
    transport: str = "grpc_asyncio",
):
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method_async.wrap_method") as wrapper_fn:
        client = InstanceAdminAsyncClient(
            credentials=async_anonymous_credentials(),
            transport=transport,
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._client._transport.move_instance
            in client._client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.AsyncMock()
        mock_rpc.return_value = mock.Mock()
        client._client._transport._wrapped_methods[
            client._client._transport.move_instance
        ] = mock_rpc

        request = {}
        await client.move_instance(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        # Operation methods call wrapper_fn to build a cached
        # client._transport.operations_client instance on first rpc call.
        # Subsequent calls should use the cached wrapper
        wrapper_fn.reset_mock()

        await client.move_instance(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


@pytest.mark.asyncio
async def test_move_instance_async(
    transport: str = "grpc_asyncio",
    request_type=spanner_instance_admin.MoveInstanceRequest,
):
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = request_type()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.move_instance), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            operations_pb2.Operation(name="operations/spam")
        )
        response = await client.move_instance(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        request = spanner_instance_admin.MoveInstanceRequest()
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert isinstance(response, future.Future)


@pytest.mark.asyncio
async def test_move_instance_async_from_dict():
    await test_move_instance_async(request_type=dict)


def test_move_instance_field_headers():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = spanner_instance_admin.MoveInstanceRequest()

    request.name = "name_value"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.move_instance), "__call__") as call:
        call.return_value = operations_pb2.Operation(name="operations/op")
        client.move_instance(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "name=name_value",
    ) in kw["metadata"]


@pytest.mark.asyncio
async def test_move_instance_field_headers_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = spanner_instance_admin.MoveInstanceRequest()

    request.name = "name_value"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.move_instance), "__call__") as call:
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            operations_pb2.Operation(name="operations/op")
        )
        await client.move_instance(request)

        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "name=name_value",
    ) in kw["metadata"]


def test_list_instance_configs_rest_use_cached_wrapped_rpc():
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method.wrap_method") as wrapper_fn:
        client = InstanceAdminClient(
            credentials=ga_credentials.AnonymousCredentials(),
            transport="rest",
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._transport.list_instance_configs
            in client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.Mock()
        mock_rpc.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client._transport._wrapped_methods[
            client._transport.list_instance_configs
        ] = mock_rpc

        request = {}
        client.list_instance_configs(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        client.list_instance_configs(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


def test_list_instance_configs_rest_required_fields(
    request_type=spanner_instance_admin.ListInstanceConfigsRequest,
):
    transport_class = transports.InstanceAdminRestTransport

    request_init = {}
    request_init["parent"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(pb_request, use_integers_for_enums=False)
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).list_instance_configs._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["parent"] = "parent_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).list_instance_configs._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(
        (
            "page_size",
            "page_token",
        )
    )
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "parent" in jsonified_request
    assert jsonified_request["parent"] == "parent_value"

    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = spanner_instance_admin.ListInstanceConfigsResponse()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "get",
                "query_params": pb_request,
            }
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            # Convert return value to protobuf type
            return_value = spanner_instance_admin.ListInstanceConfigsResponse.pb(
                return_value
            )
            json_return_value = json_format.MessageToJson(return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value
            req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

            response = client.list_instance_configs(request)

            expected_params = [("$alt", "json;enum-encoding=int")]
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_list_instance_configs_rest_unset_required_fields():
    transport = transports.InstanceAdminRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.list_instance_configs._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(
            (
                "pageSize",
                "pageToken",
            )
        )
        & set(("parent",))
    )


def test_list_instance_configs_rest_flattened():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = spanner_instance_admin.ListInstanceConfigsResponse()

        # get arguments that satisfy an http rule for this method
        sample_request = {"parent": "projects/sample1"}

        # get truthy value for each flattened field
        mock_args = dict(
            parent="parent_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        # Convert return value to protobuf type
        return_value = spanner_instance_admin.ListInstanceConfigsResponse.pb(
            return_value
        )
        json_return_value = json_format.MessageToJson(return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

        client.list_instance_configs(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/v1/{parent=projects/*}/instanceConfigs" % client.transport._host,
            args[1],
        )


def test_list_instance_configs_rest_flattened_error(transport: str = "rest"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.list_instance_configs(
            spanner_instance_admin.ListInstanceConfigsRequest(),
            parent="parent_value",
        )


def test_list_instance_configs_rest_pager(transport: str = "rest"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # TODO(kbandes): remove this mock unless there's a good reason for it.
        # with mock.patch.object(path_template, 'transcode') as transcode:
        # Set the response as a series of pages
        response = (
            spanner_instance_admin.ListInstanceConfigsResponse(
                instance_configs=[
                    spanner_instance_admin.InstanceConfig(),
                    spanner_instance_admin.InstanceConfig(),
                    spanner_instance_admin.InstanceConfig(),
                ],
                next_page_token="abc",
            ),
            spanner_instance_admin.ListInstanceConfigsResponse(
                instance_configs=[],
                next_page_token="def",
            ),
            spanner_instance_admin.ListInstanceConfigsResponse(
                instance_configs=[
                    spanner_instance_admin.InstanceConfig(),
                ],
                next_page_token="ghi",
            ),
            spanner_instance_admin.ListInstanceConfigsResponse(
                instance_configs=[
                    spanner_instance_admin.InstanceConfig(),
                    spanner_instance_admin.InstanceConfig(),
                ],
            ),
        )
        # Two responses for two calls
        response = response + response

        # Wrap the values into proper Response objs
        response = tuple(
            spanner_instance_admin.ListInstanceConfigsResponse.to_json(x)
            for x in response
        )
        return_values = tuple(Response() for i in response)
        for return_val, response_val in zip(return_values, response):
            return_val._content = response_val.encode("UTF-8")
            return_val.status_code = 200
        req.side_effect = return_values

        sample_request = {"parent": "projects/sample1"}

        pager = client.list_instance_configs(request=sample_request)

        results = list(pager)
        assert len(results) == 6
        assert all(
            isinstance(i, spanner_instance_admin.InstanceConfig) for i in results
        )

        pages = list(client.list_instance_configs(request=sample_request).pages)
        for page_, token in zip(pages, ["abc", "def", "ghi", ""]):
            assert page_.raw_page.next_page_token == token


def test_get_instance_config_rest_use_cached_wrapped_rpc():
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method.wrap_method") as wrapper_fn:
        client = InstanceAdminClient(
            credentials=ga_credentials.AnonymousCredentials(),
            transport="rest",
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._transport.get_instance_config in client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.Mock()
        mock_rpc.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client._transport._wrapped_methods[
            client._transport.get_instance_config
        ] = mock_rpc

        request = {}
        client.get_instance_config(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        client.get_instance_config(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


def test_get_instance_config_rest_required_fields(
    request_type=spanner_instance_admin.GetInstanceConfigRequest,
):
    transport_class = transports.InstanceAdminRestTransport

    request_init = {}
    request_init["name"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(pb_request, use_integers_for_enums=False)
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).get_instance_config._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["name"] = "name_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).get_instance_config._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "name" in jsonified_request
    assert jsonified_request["name"] == "name_value"

    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = spanner_instance_admin.InstanceConfig()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "get",
                "query_params": pb_request,
            }
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            # Convert return value to protobuf type
            return_value = spanner_instance_admin.InstanceConfig.pb(return_value)
            json_return_value = json_format.MessageToJson(return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value
            req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

            response = client.get_instance_config(request)

            expected_params = [("$alt", "json;enum-encoding=int")]
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_get_instance_config_rest_unset_required_fields():
    transport = transports.InstanceAdminRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.get_instance_config._get_unset_required_fields({})
    assert set(unset_fields) == (set(()) & set(("name",)))


def test_get_instance_config_rest_flattened():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = spanner_instance_admin.InstanceConfig()

        # get arguments that satisfy an http rule for this method
        sample_request = {"name": "projects/sample1/instanceConfigs/sample2"}

        # get truthy value for each flattened field
        mock_args = dict(
            name="name_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        # Convert return value to protobuf type
        return_value = spanner_instance_admin.InstanceConfig.pb(return_value)
        json_return_value = json_format.MessageToJson(return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

        client.get_instance_config(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/v1/{name=projects/*/instanceConfigs/*}" % client.transport._host,
            args[1],
        )


def test_get_instance_config_rest_flattened_error(transport: str = "rest"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.get_instance_config(
            spanner_instance_admin.GetInstanceConfigRequest(),
            name="name_value",
        )


def test_create_instance_config_rest_use_cached_wrapped_rpc():
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method.wrap_method") as wrapper_fn:
        client = InstanceAdminClient(
            credentials=ga_credentials.AnonymousCredentials(),
            transport="rest",
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._transport.create_instance_config
            in client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.Mock()
        mock_rpc.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client._transport._wrapped_methods[
            client._transport.create_instance_config
        ] = mock_rpc

        request = {}
        client.create_instance_config(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        # Operation methods build a cached wrapper on first rpc call
        # subsequent calls should use the cached wrapper
        wrapper_fn.reset_mock()

        client.create_instance_config(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


def test_create_instance_config_rest_required_fields(
    request_type=spanner_instance_admin.CreateInstanceConfigRequest,
):
    transport_class = transports.InstanceAdminRestTransport

    request_init = {}
    request_init["parent"] = ""
    request_init["instance_config_id"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(pb_request, use_integers_for_enums=False)
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).create_instance_config._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["parent"] = "parent_value"
    jsonified_request["instanceConfigId"] = "instance_config_id_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).create_instance_config._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "parent" in jsonified_request
    assert jsonified_request["parent"] == "parent_value"
    assert "instanceConfigId" in jsonified_request
    assert jsonified_request["instanceConfigId"] == "instance_config_id_value"

    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = operations_pb2.Operation(name="operations/spam")
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200
            json_return_value = json_format.MessageToJson(return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value
            req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

            response = client.create_instance_config(request)

            expected_params = [("$alt", "json;enum-encoding=int")]
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_create_instance_config_rest_unset_required_fields():
    transport = transports.InstanceAdminRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.create_instance_config._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(())
        & set(
            (
                "parent",
                "instanceConfigId",
                "instanceConfig",
            )
        )
    )


def test_create_instance_config_rest_flattened():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = operations_pb2.Operation(name="operations/spam")

        # get arguments that satisfy an http rule for this method
        sample_request = {"parent": "projects/sample1"}

        # get truthy value for each flattened field
        mock_args = dict(
            parent="parent_value",
            instance_config=spanner_instance_admin.InstanceConfig(name="name_value"),
            instance_config_id="instance_config_id_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        json_return_value = json_format.MessageToJson(return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

        client.create_instance_config(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/v1/{parent=projects/*}/instanceConfigs" % client.transport._host,
            args[1],
        )


def test_create_instance_config_rest_flattened_error(transport: str = "rest"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.create_instance_config(
            spanner_instance_admin.CreateInstanceConfigRequest(),
            parent="parent_value",
            instance_config=spanner_instance_admin.InstanceConfig(name="name_value"),
            instance_config_id="instance_config_id_value",
        )


def test_update_instance_config_rest_use_cached_wrapped_rpc():
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method.wrap_method") as wrapper_fn:
        client = InstanceAdminClient(
            credentials=ga_credentials.AnonymousCredentials(),
            transport="rest",
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._transport.update_instance_config
            in client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.Mock()
        mock_rpc.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client._transport._wrapped_methods[
            client._transport.update_instance_config
        ] = mock_rpc

        request = {}
        client.update_instance_config(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        # Operation methods build a cached wrapper on first rpc call
        # subsequent calls should use the cached wrapper
        wrapper_fn.reset_mock()

        client.update_instance_config(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


def test_update_instance_config_rest_required_fields(
    request_type=spanner_instance_admin.UpdateInstanceConfigRequest,
):
    transport_class = transports.InstanceAdminRestTransport

    request_init = {}
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(pb_request, use_integers_for_enums=False)
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).update_instance_config._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).update_instance_config._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone

    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = operations_pb2.Operation(name="operations/spam")
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "patch",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200
            json_return_value = json_format.MessageToJson(return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value
            req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

            response = client.update_instance_config(request)

            expected_params = [("$alt", "json;enum-encoding=int")]
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_update_instance_config_rest_unset_required_fields():
    transport = transports.InstanceAdminRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.update_instance_config._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(())
        & set(
            (
                "instanceConfig",
                "updateMask",
            )
        )
    )


def test_update_instance_config_rest_flattened():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = operations_pb2.Operation(name="operations/spam")

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "instance_config": {"name": "projects/sample1/instanceConfigs/sample2"}
        }

        # get truthy value for each flattened field
        mock_args = dict(
            instance_config=spanner_instance_admin.InstanceConfig(name="name_value"),
            update_mask=field_mask_pb2.FieldMask(paths=["paths_value"]),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        json_return_value = json_format.MessageToJson(return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

        client.update_instance_config(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/v1/{instance_config.name=projects/*/instanceConfigs/*}"
            % client.transport._host,
            args[1],
        )


def test_update_instance_config_rest_flattened_error(transport: str = "rest"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.update_instance_config(
            spanner_instance_admin.UpdateInstanceConfigRequest(),
            instance_config=spanner_instance_admin.InstanceConfig(name="name_value"),
            update_mask=field_mask_pb2.FieldMask(paths=["paths_value"]),
        )


def test_delete_instance_config_rest_use_cached_wrapped_rpc():
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method.wrap_method") as wrapper_fn:
        client = InstanceAdminClient(
            credentials=ga_credentials.AnonymousCredentials(),
            transport="rest",
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._transport.delete_instance_config
            in client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.Mock()
        mock_rpc.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client._transport._wrapped_methods[
            client._transport.delete_instance_config
        ] = mock_rpc

        request = {}
        client.delete_instance_config(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        client.delete_instance_config(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


def test_delete_instance_config_rest_required_fields(
    request_type=spanner_instance_admin.DeleteInstanceConfigRequest,
):
    transport_class = transports.InstanceAdminRestTransport

    request_init = {}
    request_init["name"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(pb_request, use_integers_for_enums=False)
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).delete_instance_config._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["name"] = "name_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).delete_instance_config._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(
        (
            "etag",
            "validate_only",
        )
    )
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "name" in jsonified_request
    assert jsonified_request["name"] == "name_value"

    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = None
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "delete",
                "query_params": pb_request,
            }
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200
            json_return_value = ""

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value
            req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

            response = client.delete_instance_config(request)

            expected_params = [("$alt", "json;enum-encoding=int")]
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_delete_instance_config_rest_unset_required_fields():
    transport = transports.InstanceAdminRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.delete_instance_config._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(
            (
                "etag",
                "validateOnly",
            )
        )
        & set(("name",))
    )


def test_delete_instance_config_rest_flattened():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = None

        # get arguments that satisfy an http rule for this method
        sample_request = {"name": "projects/sample1/instanceConfigs/sample2"}

        # get truthy value for each flattened field
        mock_args = dict(
            name="name_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        json_return_value = ""
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

        client.delete_instance_config(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/v1/{name=projects/*/instanceConfigs/*}" % client.transport._host,
            args[1],
        )


def test_delete_instance_config_rest_flattened_error(transport: str = "rest"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.delete_instance_config(
            spanner_instance_admin.DeleteInstanceConfigRequest(),
            name="name_value",
        )


def test_list_instance_config_operations_rest_use_cached_wrapped_rpc():
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method.wrap_method") as wrapper_fn:
        client = InstanceAdminClient(
            credentials=ga_credentials.AnonymousCredentials(),
            transport="rest",
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._transport.list_instance_config_operations
            in client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.Mock()
        mock_rpc.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client._transport._wrapped_methods[
            client._transport.list_instance_config_operations
        ] = mock_rpc

        request = {}
        client.list_instance_config_operations(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        client.list_instance_config_operations(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


def test_list_instance_config_operations_rest_required_fields(
    request_type=spanner_instance_admin.ListInstanceConfigOperationsRequest,
):
    transport_class = transports.InstanceAdminRestTransport

    request_init = {}
    request_init["parent"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(pb_request, use_integers_for_enums=False)
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).list_instance_config_operations._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["parent"] = "parent_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).list_instance_config_operations._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(
        (
            "filter",
            "page_size",
            "page_token",
        )
    )
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "parent" in jsonified_request
    assert jsonified_request["parent"] == "parent_value"

    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = spanner_instance_admin.ListInstanceConfigOperationsResponse()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "get",
                "query_params": pb_request,
            }
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            # Convert return value to protobuf type
            return_value = (
                spanner_instance_admin.ListInstanceConfigOperationsResponse.pb(
                    return_value
                )
            )
            json_return_value = json_format.MessageToJson(return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value
            req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

            response = client.list_instance_config_operations(request)

            expected_params = [("$alt", "json;enum-encoding=int")]
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_list_instance_config_operations_rest_unset_required_fields():
    transport = transports.InstanceAdminRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.list_instance_config_operations._get_unset_required_fields(
        {}
    )
    assert set(unset_fields) == (
        set(
            (
                "filter",
                "pageSize",
                "pageToken",
            )
        )
        & set(("parent",))
    )


def test_list_instance_config_operations_rest_flattened():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = spanner_instance_admin.ListInstanceConfigOperationsResponse()

        # get arguments that satisfy an http rule for this method
        sample_request = {"parent": "projects/sample1"}

        # get truthy value for each flattened field
        mock_args = dict(
            parent="parent_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        # Convert return value to protobuf type
        return_value = spanner_instance_admin.ListInstanceConfigOperationsResponse.pb(
            return_value
        )
        json_return_value = json_format.MessageToJson(return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

        client.list_instance_config_operations(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/v1/{parent=projects/*}/instanceConfigOperations"
            % client.transport._host,
            args[1],
        )


def test_list_instance_config_operations_rest_flattened_error(transport: str = "rest"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.list_instance_config_operations(
            spanner_instance_admin.ListInstanceConfigOperationsRequest(),
            parent="parent_value",
        )


def test_list_instance_config_operations_rest_pager(transport: str = "rest"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # TODO(kbandes): remove this mock unless there's a good reason for it.
        # with mock.patch.object(path_template, 'transcode') as transcode:
        # Set the response as a series of pages
        response = (
            spanner_instance_admin.ListInstanceConfigOperationsResponse(
                operations=[
                    operations_pb2.Operation(),
                    operations_pb2.Operation(),
                    operations_pb2.Operation(),
                ],
                next_page_token="abc",
            ),
            spanner_instance_admin.ListInstanceConfigOperationsResponse(
                operations=[],
                next_page_token="def",
            ),
            spanner_instance_admin.ListInstanceConfigOperationsResponse(
                operations=[
                    operations_pb2.Operation(),
                ],
                next_page_token="ghi",
            ),
            spanner_instance_admin.ListInstanceConfigOperationsResponse(
                operations=[
                    operations_pb2.Operation(),
                    operations_pb2.Operation(),
                ],
            ),
        )
        # Two responses for two calls
        response = response + response

        # Wrap the values into proper Response objs
        response = tuple(
            spanner_instance_admin.ListInstanceConfigOperationsResponse.to_json(x)
            for x in response
        )
        return_values = tuple(Response() for i in response)
        for return_val, response_val in zip(return_values, response):
            return_val._content = response_val.encode("UTF-8")
            return_val.status_code = 200
        req.side_effect = return_values

        sample_request = {"parent": "projects/sample1"}

        pager = client.list_instance_config_operations(request=sample_request)

        results = list(pager)
        assert len(results) == 6
        assert all(isinstance(i, operations_pb2.Operation) for i in results)

        pages = list(
            client.list_instance_config_operations(request=sample_request).pages
        )
        for page_, token in zip(pages, ["abc", "def", "ghi", ""]):
            assert page_.raw_page.next_page_token == token


def test_list_instances_rest_use_cached_wrapped_rpc():
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method.wrap_method") as wrapper_fn:
        client = InstanceAdminClient(
            credentials=ga_credentials.AnonymousCredentials(),
            transport="rest",
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert client._transport.list_instances in client._transport._wrapped_methods

        # Replace cached wrapped function with mock
        mock_rpc = mock.Mock()
        mock_rpc.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client._transport._wrapped_methods[client._transport.list_instances] = mock_rpc

        request = {}
        client.list_instances(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        client.list_instances(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


def test_list_instances_rest_required_fields(
    request_type=spanner_instance_admin.ListInstancesRequest,
):
    transport_class = transports.InstanceAdminRestTransport

    request_init = {}
    request_init["parent"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(pb_request, use_integers_for_enums=False)
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).list_instances._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["parent"] = "parent_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).list_instances._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(
        (
            "filter",
            "instance_deadline",
            "page_size",
            "page_token",
        )
    )
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "parent" in jsonified_request
    assert jsonified_request["parent"] == "parent_value"

    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = spanner_instance_admin.ListInstancesResponse()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "get",
                "query_params": pb_request,
            }
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            # Convert return value to protobuf type
            return_value = spanner_instance_admin.ListInstancesResponse.pb(return_value)
            json_return_value = json_format.MessageToJson(return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value
            req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

            response = client.list_instances(request)

            expected_params = [("$alt", "json;enum-encoding=int")]
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_list_instances_rest_unset_required_fields():
    transport = transports.InstanceAdminRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.list_instances._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(
            (
                "filter",
                "instanceDeadline",
                "pageSize",
                "pageToken",
            )
        )
        & set(("parent",))
    )


def test_list_instances_rest_flattened():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = spanner_instance_admin.ListInstancesResponse()

        # get arguments that satisfy an http rule for this method
        sample_request = {"parent": "projects/sample1"}

        # get truthy value for each flattened field
        mock_args = dict(
            parent="parent_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        # Convert return value to protobuf type
        return_value = spanner_instance_admin.ListInstancesResponse.pb(return_value)
        json_return_value = json_format.MessageToJson(return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

        client.list_instances(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/v1/{parent=projects/*}/instances" % client.transport._host, args[1]
        )


def test_list_instances_rest_flattened_error(transport: str = "rest"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.list_instances(
            spanner_instance_admin.ListInstancesRequest(),
            parent="parent_value",
        )


def test_list_instances_rest_pager(transport: str = "rest"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # TODO(kbandes): remove this mock unless there's a good reason for it.
        # with mock.patch.object(path_template, 'transcode') as transcode:
        # Set the response as a series of pages
        response = (
            spanner_instance_admin.ListInstancesResponse(
                instances=[
                    spanner_instance_admin.Instance(),
                    spanner_instance_admin.Instance(),
                    spanner_instance_admin.Instance(),
                ],
                next_page_token="abc",
            ),
            spanner_instance_admin.ListInstancesResponse(
                instances=[],
                next_page_token="def",
            ),
            spanner_instance_admin.ListInstancesResponse(
                instances=[
                    spanner_instance_admin.Instance(),
                ],
                next_page_token="ghi",
            ),
            spanner_instance_admin.ListInstancesResponse(
                instances=[
                    spanner_instance_admin.Instance(),
                    spanner_instance_admin.Instance(),
                ],
            ),
        )
        # Two responses for two calls
        response = response + response

        # Wrap the values into proper Response objs
        response = tuple(
            spanner_instance_admin.ListInstancesResponse.to_json(x) for x in response
        )
        return_values = tuple(Response() for i in response)
        for return_val, response_val in zip(return_values, response):
            return_val._content = response_val.encode("UTF-8")
            return_val.status_code = 200
        req.side_effect = return_values

        sample_request = {"parent": "projects/sample1"}

        pager = client.list_instances(request=sample_request)

        results = list(pager)
        assert len(results) == 6
        assert all(isinstance(i, spanner_instance_admin.Instance) for i in results)

        pages = list(client.list_instances(request=sample_request).pages)
        for page_, token in zip(pages, ["abc", "def", "ghi", ""]):
            assert page_.raw_page.next_page_token == token


def test_list_instance_partitions_rest_use_cached_wrapped_rpc():
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method.wrap_method") as wrapper_fn:
        client = InstanceAdminClient(
            credentials=ga_credentials.AnonymousCredentials(),
            transport="rest",
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._transport.list_instance_partitions
            in client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.Mock()
        mock_rpc.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client._transport._wrapped_methods[
            client._transport.list_instance_partitions
        ] = mock_rpc

        request = {}
        client.list_instance_partitions(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        client.list_instance_partitions(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


def test_list_instance_partitions_rest_required_fields(
    request_type=spanner_instance_admin.ListInstancePartitionsRequest,
):
    transport_class = transports.InstanceAdminRestTransport

    request_init = {}
    request_init["parent"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(pb_request, use_integers_for_enums=False)
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).list_instance_partitions._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["parent"] = "parent_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).list_instance_partitions._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(
        (
            "instance_partition_deadline",
            "page_size",
            "page_token",
        )
    )
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "parent" in jsonified_request
    assert jsonified_request["parent"] == "parent_value"

    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = spanner_instance_admin.ListInstancePartitionsResponse()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "get",
                "query_params": pb_request,
            }
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            # Convert return value to protobuf type
            return_value = spanner_instance_admin.ListInstancePartitionsResponse.pb(
                return_value
            )
            json_return_value = json_format.MessageToJson(return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value
            req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

            response = client.list_instance_partitions(request)

            expected_params = [("$alt", "json;enum-encoding=int")]
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_list_instance_partitions_rest_unset_required_fields():
    transport = transports.InstanceAdminRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.list_instance_partitions._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(
            (
                "instancePartitionDeadline",
                "pageSize",
                "pageToken",
            )
        )
        & set(("parent",))
    )


def test_list_instance_partitions_rest_flattened():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = spanner_instance_admin.ListInstancePartitionsResponse()

        # get arguments that satisfy an http rule for this method
        sample_request = {"parent": "projects/sample1/instances/sample2"}

        # get truthy value for each flattened field
        mock_args = dict(
            parent="parent_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        # Convert return value to protobuf type
        return_value = spanner_instance_admin.ListInstancePartitionsResponse.pb(
            return_value
        )
        json_return_value = json_format.MessageToJson(return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

        client.list_instance_partitions(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/v1/{parent=projects/*/instances/*}/instancePartitions"
            % client.transport._host,
            args[1],
        )


def test_list_instance_partitions_rest_flattened_error(transport: str = "rest"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.list_instance_partitions(
            spanner_instance_admin.ListInstancePartitionsRequest(),
            parent="parent_value",
        )


def test_list_instance_partitions_rest_pager(transport: str = "rest"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # TODO(kbandes): remove this mock unless there's a good reason for it.
        # with mock.patch.object(path_template, 'transcode') as transcode:
        # Set the response as a series of pages
        response = (
            spanner_instance_admin.ListInstancePartitionsResponse(
                instance_partitions=[
                    spanner_instance_admin.InstancePartition(),
                    spanner_instance_admin.InstancePartition(),
                    spanner_instance_admin.InstancePartition(),
                ],
                next_page_token="abc",
            ),
            spanner_instance_admin.ListInstancePartitionsResponse(
                instance_partitions=[],
                next_page_token="def",
            ),
            spanner_instance_admin.ListInstancePartitionsResponse(
                instance_partitions=[
                    spanner_instance_admin.InstancePartition(),
                ],
                next_page_token="ghi",
            ),
            spanner_instance_admin.ListInstancePartitionsResponse(
                instance_partitions=[
                    spanner_instance_admin.InstancePartition(),
                    spanner_instance_admin.InstancePartition(),
                ],
            ),
        )
        # Two responses for two calls
        response = response + response

        # Wrap the values into proper Response objs
        response = tuple(
            spanner_instance_admin.ListInstancePartitionsResponse.to_json(x)
            for x in response
        )
        return_values = tuple(Response() for i in response)
        for return_val, response_val in zip(return_values, response):
            return_val._content = response_val.encode("UTF-8")
            return_val.status_code = 200
        req.side_effect = return_values

        sample_request = {"parent": "projects/sample1/instances/sample2"}

        pager = client.list_instance_partitions(request=sample_request)

        results = list(pager)
        assert len(results) == 6
        assert all(
            isinstance(i, spanner_instance_admin.InstancePartition) for i in results
        )

        pages = list(client.list_instance_partitions(request=sample_request).pages)
        for page_, token in zip(pages, ["abc", "def", "ghi", ""]):
            assert page_.raw_page.next_page_token == token


def test_get_instance_rest_use_cached_wrapped_rpc():
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method.wrap_method") as wrapper_fn:
        client = InstanceAdminClient(
            credentials=ga_credentials.AnonymousCredentials(),
            transport="rest",
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert client._transport.get_instance in client._transport._wrapped_methods

        # Replace cached wrapped function with mock
        mock_rpc = mock.Mock()
        mock_rpc.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client._transport._wrapped_methods[client._transport.get_instance] = mock_rpc

        request = {}
        client.get_instance(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        client.get_instance(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


def test_get_instance_rest_required_fields(
    request_type=spanner_instance_admin.GetInstanceRequest,
):
    transport_class = transports.InstanceAdminRestTransport

    request_init = {}
    request_init["name"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(pb_request, use_integers_for_enums=False)
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).get_instance._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["name"] = "name_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).get_instance._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("field_mask",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "name" in jsonified_request
    assert jsonified_request["name"] == "name_value"

    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = spanner_instance_admin.Instance()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "get",
                "query_params": pb_request,
            }
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            # Convert return value to protobuf type
            return_value = spanner_instance_admin.Instance.pb(return_value)
            json_return_value = json_format.MessageToJson(return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value
            req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

            response = client.get_instance(request)

            expected_params = [("$alt", "json;enum-encoding=int")]
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_get_instance_rest_unset_required_fields():
    transport = transports.InstanceAdminRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.get_instance._get_unset_required_fields({})
    assert set(unset_fields) == (set(("fieldMask",)) & set(("name",)))


def test_get_instance_rest_flattened():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = spanner_instance_admin.Instance()

        # get arguments that satisfy an http rule for this method
        sample_request = {"name": "projects/sample1/instances/sample2"}

        # get truthy value for each flattened field
        mock_args = dict(
            name="name_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        # Convert return value to protobuf type
        return_value = spanner_instance_admin.Instance.pb(return_value)
        json_return_value = json_format.MessageToJson(return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

        client.get_instance(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/v1/{name=projects/*/instances/*}" % client.transport._host, args[1]
        )


def test_get_instance_rest_flattened_error(transport: str = "rest"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.get_instance(
            spanner_instance_admin.GetInstanceRequest(),
            name="name_value",
        )


def test_create_instance_rest_use_cached_wrapped_rpc():
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method.wrap_method") as wrapper_fn:
        client = InstanceAdminClient(
            credentials=ga_credentials.AnonymousCredentials(),
            transport="rest",
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert client._transport.create_instance in client._transport._wrapped_methods

        # Replace cached wrapped function with mock
        mock_rpc = mock.Mock()
        mock_rpc.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client._transport._wrapped_methods[client._transport.create_instance] = mock_rpc

        request = {}
        client.create_instance(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        # Operation methods build a cached wrapper on first rpc call
        # subsequent calls should use the cached wrapper
        wrapper_fn.reset_mock()

        client.create_instance(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


def test_create_instance_rest_required_fields(
    request_type=spanner_instance_admin.CreateInstanceRequest,
):
    transport_class = transports.InstanceAdminRestTransport

    request_init = {}
    request_init["parent"] = ""
    request_init["instance_id"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(pb_request, use_integers_for_enums=False)
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).create_instance._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["parent"] = "parent_value"
    jsonified_request["instanceId"] = "instance_id_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).create_instance._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "parent" in jsonified_request
    assert jsonified_request["parent"] == "parent_value"
    assert "instanceId" in jsonified_request
    assert jsonified_request["instanceId"] == "instance_id_value"

    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = operations_pb2.Operation(name="operations/spam")
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200
            json_return_value = json_format.MessageToJson(return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value
            req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

            response = client.create_instance(request)

            expected_params = [("$alt", "json;enum-encoding=int")]
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_create_instance_rest_unset_required_fields():
    transport = transports.InstanceAdminRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.create_instance._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(())
        & set(
            (
                "parent",
                "instanceId",
                "instance",
            )
        )
    )


def test_create_instance_rest_flattened():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = operations_pb2.Operation(name="operations/spam")

        # get arguments that satisfy an http rule for this method
        sample_request = {"parent": "projects/sample1"}

        # get truthy value for each flattened field
        mock_args = dict(
            parent="parent_value",
            instance_id="instance_id_value",
            instance=spanner_instance_admin.Instance(name="name_value"),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        json_return_value = json_format.MessageToJson(return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

        client.create_instance(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/v1/{parent=projects/*}/instances" % client.transport._host, args[1]
        )


def test_create_instance_rest_flattened_error(transport: str = "rest"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.create_instance(
            spanner_instance_admin.CreateInstanceRequest(),
            parent="parent_value",
            instance_id="instance_id_value",
            instance=spanner_instance_admin.Instance(name="name_value"),
        )


def test_update_instance_rest_use_cached_wrapped_rpc():
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method.wrap_method") as wrapper_fn:
        client = InstanceAdminClient(
            credentials=ga_credentials.AnonymousCredentials(),
            transport="rest",
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert client._transport.update_instance in client._transport._wrapped_methods

        # Replace cached wrapped function with mock
        mock_rpc = mock.Mock()
        mock_rpc.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client._transport._wrapped_methods[client._transport.update_instance] = mock_rpc

        request = {}
        client.update_instance(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        # Operation methods build a cached wrapper on first rpc call
        # subsequent calls should use the cached wrapper
        wrapper_fn.reset_mock()

        client.update_instance(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


def test_update_instance_rest_required_fields(
    request_type=spanner_instance_admin.UpdateInstanceRequest,
):
    transport_class = transports.InstanceAdminRestTransport

    request_init = {}
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(pb_request, use_integers_for_enums=False)
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).update_instance._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).update_instance._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone

    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = operations_pb2.Operation(name="operations/spam")
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "patch",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200
            json_return_value = json_format.MessageToJson(return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value
            req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

            response = client.update_instance(request)

            expected_params = [("$alt", "json;enum-encoding=int")]
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_update_instance_rest_unset_required_fields():
    transport = transports.InstanceAdminRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.update_instance._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(())
        & set(
            (
                "instance",
                "fieldMask",
            )
        )
    )


def test_update_instance_rest_flattened():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = operations_pb2.Operation(name="operations/spam")

        # get arguments that satisfy an http rule for this method
        sample_request = {"instance": {"name": "projects/sample1/instances/sample2"}}

        # get truthy value for each flattened field
        mock_args = dict(
            instance=spanner_instance_admin.Instance(name="name_value"),
            field_mask=field_mask_pb2.FieldMask(paths=["paths_value"]),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        json_return_value = json_format.MessageToJson(return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

        client.update_instance(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/v1/{instance.name=projects/*/instances/*}" % client.transport._host,
            args[1],
        )


def test_update_instance_rest_flattened_error(transport: str = "rest"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.update_instance(
            spanner_instance_admin.UpdateInstanceRequest(),
            instance=spanner_instance_admin.Instance(name="name_value"),
            field_mask=field_mask_pb2.FieldMask(paths=["paths_value"]),
        )


def test_delete_instance_rest_use_cached_wrapped_rpc():
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method.wrap_method") as wrapper_fn:
        client = InstanceAdminClient(
            credentials=ga_credentials.AnonymousCredentials(),
            transport="rest",
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert client._transport.delete_instance in client._transport._wrapped_methods

        # Replace cached wrapped function with mock
        mock_rpc = mock.Mock()
        mock_rpc.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client._transport._wrapped_methods[client._transport.delete_instance] = mock_rpc

        request = {}
        client.delete_instance(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        client.delete_instance(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


def test_delete_instance_rest_required_fields(
    request_type=spanner_instance_admin.DeleteInstanceRequest,
):
    transport_class = transports.InstanceAdminRestTransport

    request_init = {}
    request_init["name"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(pb_request, use_integers_for_enums=False)
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).delete_instance._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["name"] = "name_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).delete_instance._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "name" in jsonified_request
    assert jsonified_request["name"] == "name_value"

    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = None
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "delete",
                "query_params": pb_request,
            }
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200
            json_return_value = ""

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value
            req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

            response = client.delete_instance(request)

            expected_params = [("$alt", "json;enum-encoding=int")]
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_delete_instance_rest_unset_required_fields():
    transport = transports.InstanceAdminRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.delete_instance._get_unset_required_fields({})
    assert set(unset_fields) == (set(()) & set(("name",)))


def test_delete_instance_rest_flattened():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = None

        # get arguments that satisfy an http rule for this method
        sample_request = {"name": "projects/sample1/instances/sample2"}

        # get truthy value for each flattened field
        mock_args = dict(
            name="name_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        json_return_value = ""
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

        client.delete_instance(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/v1/{name=projects/*/instances/*}" % client.transport._host, args[1]
        )


def test_delete_instance_rest_flattened_error(transport: str = "rest"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.delete_instance(
            spanner_instance_admin.DeleteInstanceRequest(),
            name="name_value",
        )


def test_set_iam_policy_rest_use_cached_wrapped_rpc():
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method.wrap_method") as wrapper_fn:
        client = InstanceAdminClient(
            credentials=ga_credentials.AnonymousCredentials(),
            transport="rest",
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert client._transport.set_iam_policy in client._transport._wrapped_methods

        # Replace cached wrapped function with mock
        mock_rpc = mock.Mock()
        mock_rpc.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client._transport._wrapped_methods[client._transport.set_iam_policy] = mock_rpc

        request = {}
        client.set_iam_policy(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        client.set_iam_policy(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


def test_set_iam_policy_rest_required_fields(
    request_type=iam_policy_pb2.SetIamPolicyRequest,
):
    transport_class = transports.InstanceAdminRestTransport

    request_init = {}
    request_init["resource"] = ""
    request = request_type(**request_init)
    pb_request = request
    jsonified_request = json.loads(
        json_format.MessageToJson(pb_request, use_integers_for_enums=False)
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_iam_policy._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["resource"] = "resource_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_iam_policy._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "resource" in jsonified_request
    assert jsonified_request["resource"] == "resource_value"

    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = policy_pb2.Policy()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            json_return_value = json_format.MessageToJson(return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value
            req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

            response = client.set_iam_policy(request)

            expected_params = [("$alt", "json;enum-encoding=int")]
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_set_iam_policy_rest_unset_required_fields():
    transport = transports.InstanceAdminRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.set_iam_policy._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(())
        & set(
            (
                "resource",
                "policy",
            )
        )
    )


def test_set_iam_policy_rest_flattened():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = policy_pb2.Policy()

        # get arguments that satisfy an http rule for this method
        sample_request = {"resource": "projects/sample1/instances/sample2"}

        # get truthy value for each flattened field
        mock_args = dict(
            resource="resource_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        json_return_value = json_format.MessageToJson(return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

        client.set_iam_policy(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/v1/{resource=projects/*/instances/*}:setIamPolicy"
            % client.transport._host,
            args[1],
        )


def test_set_iam_policy_rest_flattened_error(transport: str = "rest"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.set_iam_policy(
            iam_policy_pb2.SetIamPolicyRequest(),
            resource="resource_value",
        )


def test_get_iam_policy_rest_use_cached_wrapped_rpc():
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method.wrap_method") as wrapper_fn:
        client = InstanceAdminClient(
            credentials=ga_credentials.AnonymousCredentials(),
            transport="rest",
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert client._transport.get_iam_policy in client._transport._wrapped_methods

        # Replace cached wrapped function with mock
        mock_rpc = mock.Mock()
        mock_rpc.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client._transport._wrapped_methods[client._transport.get_iam_policy] = mock_rpc

        request = {}
        client.get_iam_policy(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        client.get_iam_policy(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


def test_get_iam_policy_rest_required_fields(
    request_type=iam_policy_pb2.GetIamPolicyRequest,
):
    transport_class = transports.InstanceAdminRestTransport

    request_init = {}
    request_init["resource"] = ""
    request = request_type(**request_init)
    pb_request = request
    jsonified_request = json.loads(
        json_format.MessageToJson(pb_request, use_integers_for_enums=False)
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).get_iam_policy._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["resource"] = "resource_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).get_iam_policy._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "resource" in jsonified_request
    assert jsonified_request["resource"] == "resource_value"

    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = policy_pb2.Policy()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            json_return_value = json_format.MessageToJson(return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value
            req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

            response = client.get_iam_policy(request)

            expected_params = [("$alt", "json;enum-encoding=int")]
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_get_iam_policy_rest_unset_required_fields():
    transport = transports.InstanceAdminRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.get_iam_policy._get_unset_required_fields({})
    assert set(unset_fields) == (set(()) & set(("resource",)))


def test_get_iam_policy_rest_flattened():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = policy_pb2.Policy()

        # get arguments that satisfy an http rule for this method
        sample_request = {"resource": "projects/sample1/instances/sample2"}

        # get truthy value for each flattened field
        mock_args = dict(
            resource="resource_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        json_return_value = json_format.MessageToJson(return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

        client.get_iam_policy(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/v1/{resource=projects/*/instances/*}:getIamPolicy"
            % client.transport._host,
            args[1],
        )


def test_get_iam_policy_rest_flattened_error(transport: str = "rest"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.get_iam_policy(
            iam_policy_pb2.GetIamPolicyRequest(),
            resource="resource_value",
        )


def test_test_iam_permissions_rest_use_cached_wrapped_rpc():
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method.wrap_method") as wrapper_fn:
        client = InstanceAdminClient(
            credentials=ga_credentials.AnonymousCredentials(),
            transport="rest",
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._transport.test_iam_permissions in client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.Mock()
        mock_rpc.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client._transport._wrapped_methods[
            client._transport.test_iam_permissions
        ] = mock_rpc

        request = {}
        client.test_iam_permissions(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        client.test_iam_permissions(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


def test_test_iam_permissions_rest_required_fields(
    request_type=iam_policy_pb2.TestIamPermissionsRequest,
):
    transport_class = transports.InstanceAdminRestTransport

    request_init = {}
    request_init["resource"] = ""
    request_init["permissions"] = ""
    request = request_type(**request_init)
    pb_request = request
    jsonified_request = json.loads(
        json_format.MessageToJson(pb_request, use_integers_for_enums=False)
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).test_iam_permissions._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["resource"] = "resource_value"
    jsonified_request["permissions"] = "permissions_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).test_iam_permissions._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "resource" in jsonified_request
    assert jsonified_request["resource"] == "resource_value"
    assert "permissions" in jsonified_request
    assert jsonified_request["permissions"] == "permissions_value"

    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = iam_policy_pb2.TestIamPermissionsResponse()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            json_return_value = json_format.MessageToJson(return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value
            req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

            response = client.test_iam_permissions(request)

            expected_params = [("$alt", "json;enum-encoding=int")]
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_test_iam_permissions_rest_unset_required_fields():
    transport = transports.InstanceAdminRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.test_iam_permissions._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(())
        & set(
            (
                "resource",
                "permissions",
            )
        )
    )


def test_test_iam_permissions_rest_flattened():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = iam_policy_pb2.TestIamPermissionsResponse()

        # get arguments that satisfy an http rule for this method
        sample_request = {"resource": "projects/sample1/instances/sample2"}

        # get truthy value for each flattened field
        mock_args = dict(
            resource="resource_value",
            permissions=["permissions_value"],
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        json_return_value = json_format.MessageToJson(return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

        client.test_iam_permissions(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/v1/{resource=projects/*/instances/*}:testIamPermissions"
            % client.transport._host,
            args[1],
        )


def test_test_iam_permissions_rest_flattened_error(transport: str = "rest"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.test_iam_permissions(
            iam_policy_pb2.TestIamPermissionsRequest(),
            resource="resource_value",
            permissions=["permissions_value"],
        )


def test_get_instance_partition_rest_use_cached_wrapped_rpc():
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method.wrap_method") as wrapper_fn:
        client = InstanceAdminClient(
            credentials=ga_credentials.AnonymousCredentials(),
            transport="rest",
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._transport.get_instance_partition
            in client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.Mock()
        mock_rpc.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client._transport._wrapped_methods[
            client._transport.get_instance_partition
        ] = mock_rpc

        request = {}
        client.get_instance_partition(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        client.get_instance_partition(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


def test_get_instance_partition_rest_required_fields(
    request_type=spanner_instance_admin.GetInstancePartitionRequest,
):
    transport_class = transports.InstanceAdminRestTransport

    request_init = {}
    request_init["name"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(pb_request, use_integers_for_enums=False)
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).get_instance_partition._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["name"] = "name_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).get_instance_partition._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "name" in jsonified_request
    assert jsonified_request["name"] == "name_value"

    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = spanner_instance_admin.InstancePartition()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "get",
                "query_params": pb_request,
            }
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            # Convert return value to protobuf type
            return_value = spanner_instance_admin.InstancePartition.pb(return_value)
            json_return_value = json_format.MessageToJson(return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value
            req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

            response = client.get_instance_partition(request)

            expected_params = [("$alt", "json;enum-encoding=int")]
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_get_instance_partition_rest_unset_required_fields():
    transport = transports.InstanceAdminRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.get_instance_partition._get_unset_required_fields({})
    assert set(unset_fields) == (set(()) & set(("name",)))


def test_get_instance_partition_rest_flattened():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = spanner_instance_admin.InstancePartition()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "name": "projects/sample1/instances/sample2/instancePartitions/sample3"
        }

        # get truthy value for each flattened field
        mock_args = dict(
            name="name_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        # Convert return value to protobuf type
        return_value = spanner_instance_admin.InstancePartition.pb(return_value)
        json_return_value = json_format.MessageToJson(return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

        client.get_instance_partition(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/v1/{name=projects/*/instances/*/instancePartitions/*}"
            % client.transport._host,
            args[1],
        )


def test_get_instance_partition_rest_flattened_error(transport: str = "rest"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.get_instance_partition(
            spanner_instance_admin.GetInstancePartitionRequest(),
            name="name_value",
        )


def test_create_instance_partition_rest_use_cached_wrapped_rpc():
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method.wrap_method") as wrapper_fn:
        client = InstanceAdminClient(
            credentials=ga_credentials.AnonymousCredentials(),
            transport="rest",
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._transport.create_instance_partition
            in client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.Mock()
        mock_rpc.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client._transport._wrapped_methods[
            client._transport.create_instance_partition
        ] = mock_rpc

        request = {}
        client.create_instance_partition(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        # Operation methods build a cached wrapper on first rpc call
        # subsequent calls should use the cached wrapper
        wrapper_fn.reset_mock()

        client.create_instance_partition(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


def test_create_instance_partition_rest_required_fields(
    request_type=spanner_instance_admin.CreateInstancePartitionRequest,
):
    transport_class = transports.InstanceAdminRestTransport

    request_init = {}
    request_init["parent"] = ""
    request_init["instance_partition_id"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(pb_request, use_integers_for_enums=False)
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).create_instance_partition._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["parent"] = "parent_value"
    jsonified_request["instancePartitionId"] = "instance_partition_id_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).create_instance_partition._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "parent" in jsonified_request
    assert jsonified_request["parent"] == "parent_value"
    assert "instancePartitionId" in jsonified_request
    assert jsonified_request["instancePartitionId"] == "instance_partition_id_value"

    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = operations_pb2.Operation(name="operations/spam")
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200
            json_return_value = json_format.MessageToJson(return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value
            req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

            response = client.create_instance_partition(request)

            expected_params = [("$alt", "json;enum-encoding=int")]
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_create_instance_partition_rest_unset_required_fields():
    transport = transports.InstanceAdminRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.create_instance_partition._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(())
        & set(
            (
                "parent",
                "instancePartitionId",
                "instancePartition",
            )
        )
    )


def test_create_instance_partition_rest_flattened():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = operations_pb2.Operation(name="operations/spam")

        # get arguments that satisfy an http rule for this method
        sample_request = {"parent": "projects/sample1/instances/sample2"}

        # get truthy value for each flattened field
        mock_args = dict(
            parent="parent_value",
            instance_partition=spanner_instance_admin.InstancePartition(
                name="name_value"
            ),
            instance_partition_id="instance_partition_id_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        json_return_value = json_format.MessageToJson(return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

        client.create_instance_partition(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/v1/{parent=projects/*/instances/*}/instancePartitions"
            % client.transport._host,
            args[1],
        )


def test_create_instance_partition_rest_flattened_error(transport: str = "rest"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.create_instance_partition(
            spanner_instance_admin.CreateInstancePartitionRequest(),
            parent="parent_value",
            instance_partition=spanner_instance_admin.InstancePartition(
                name="name_value"
            ),
            instance_partition_id="instance_partition_id_value",
        )


def test_delete_instance_partition_rest_use_cached_wrapped_rpc():
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method.wrap_method") as wrapper_fn:
        client = InstanceAdminClient(
            credentials=ga_credentials.AnonymousCredentials(),
            transport="rest",
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._transport.delete_instance_partition
            in client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.Mock()
        mock_rpc.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client._transport._wrapped_methods[
            client._transport.delete_instance_partition
        ] = mock_rpc

        request = {}
        client.delete_instance_partition(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        client.delete_instance_partition(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


def test_delete_instance_partition_rest_required_fields(
    request_type=spanner_instance_admin.DeleteInstancePartitionRequest,
):
    transport_class = transports.InstanceAdminRestTransport

    request_init = {}
    request_init["name"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(pb_request, use_integers_for_enums=False)
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).delete_instance_partition._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["name"] = "name_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).delete_instance_partition._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("etag",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "name" in jsonified_request
    assert jsonified_request["name"] == "name_value"

    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = None
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "delete",
                "query_params": pb_request,
            }
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200
            json_return_value = ""

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value
            req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

            response = client.delete_instance_partition(request)

            expected_params = [("$alt", "json;enum-encoding=int")]
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_delete_instance_partition_rest_unset_required_fields():
    transport = transports.InstanceAdminRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.delete_instance_partition._get_unset_required_fields({})
    assert set(unset_fields) == (set(("etag",)) & set(("name",)))


def test_delete_instance_partition_rest_flattened():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = None

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "name": "projects/sample1/instances/sample2/instancePartitions/sample3"
        }

        # get truthy value for each flattened field
        mock_args = dict(
            name="name_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        json_return_value = ""
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

        client.delete_instance_partition(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/v1/{name=projects/*/instances/*/instancePartitions/*}"
            % client.transport._host,
            args[1],
        )


def test_delete_instance_partition_rest_flattened_error(transport: str = "rest"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.delete_instance_partition(
            spanner_instance_admin.DeleteInstancePartitionRequest(),
            name="name_value",
        )


def test_update_instance_partition_rest_use_cached_wrapped_rpc():
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method.wrap_method") as wrapper_fn:
        client = InstanceAdminClient(
            credentials=ga_credentials.AnonymousCredentials(),
            transport="rest",
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._transport.update_instance_partition
            in client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.Mock()
        mock_rpc.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client._transport._wrapped_methods[
            client._transport.update_instance_partition
        ] = mock_rpc

        request = {}
        client.update_instance_partition(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        # Operation methods build a cached wrapper on first rpc call
        # subsequent calls should use the cached wrapper
        wrapper_fn.reset_mock()

        client.update_instance_partition(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


def test_update_instance_partition_rest_required_fields(
    request_type=spanner_instance_admin.UpdateInstancePartitionRequest,
):
    transport_class = transports.InstanceAdminRestTransport

    request_init = {}
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(pb_request, use_integers_for_enums=False)
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).update_instance_partition._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).update_instance_partition._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone

    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = operations_pb2.Operation(name="operations/spam")
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "patch",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200
            json_return_value = json_format.MessageToJson(return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value
            req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

            response = client.update_instance_partition(request)

            expected_params = [("$alt", "json;enum-encoding=int")]
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_update_instance_partition_rest_unset_required_fields():
    transport = transports.InstanceAdminRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.update_instance_partition._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(())
        & set(
            (
                "instancePartition",
                "fieldMask",
            )
        )
    )


def test_update_instance_partition_rest_flattened():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = operations_pb2.Operation(name="operations/spam")

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "instance_partition": {
                "name": "projects/sample1/instances/sample2/instancePartitions/sample3"
            }
        }

        # get truthy value for each flattened field
        mock_args = dict(
            instance_partition=spanner_instance_admin.InstancePartition(
                name="name_value"
            ),
            field_mask=field_mask_pb2.FieldMask(paths=["paths_value"]),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        json_return_value = json_format.MessageToJson(return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

        client.update_instance_partition(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/v1/{instance_partition.name=projects/*/instances/*/instancePartitions/*}"
            % client.transport._host,
            args[1],
        )


def test_update_instance_partition_rest_flattened_error(transport: str = "rest"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.update_instance_partition(
            spanner_instance_admin.UpdateInstancePartitionRequest(),
            instance_partition=spanner_instance_admin.InstancePartition(
                name="name_value"
            ),
            field_mask=field_mask_pb2.FieldMask(paths=["paths_value"]),
        )


def test_list_instance_partition_operations_rest_use_cached_wrapped_rpc():
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method.wrap_method") as wrapper_fn:
        client = InstanceAdminClient(
            credentials=ga_credentials.AnonymousCredentials(),
            transport="rest",
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert (
            client._transport.list_instance_partition_operations
            in client._transport._wrapped_methods
        )

        # Replace cached wrapped function with mock
        mock_rpc = mock.Mock()
        mock_rpc.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client._transport._wrapped_methods[
            client._transport.list_instance_partition_operations
        ] = mock_rpc

        request = {}
        client.list_instance_partition_operations(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        client.list_instance_partition_operations(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


def test_list_instance_partition_operations_rest_required_fields(
    request_type=spanner_instance_admin.ListInstancePartitionOperationsRequest,
):
    transport_class = transports.InstanceAdminRestTransport

    request_init = {}
    request_init["parent"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(pb_request, use_integers_for_enums=False)
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).list_instance_partition_operations._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["parent"] = "parent_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).list_instance_partition_operations._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(
        (
            "filter",
            "instance_partition_deadline",
            "page_size",
            "page_token",
        )
    )
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "parent" in jsonified_request
    assert jsonified_request["parent"] == "parent_value"

    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = spanner_instance_admin.ListInstancePartitionOperationsResponse()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "get",
                "query_params": pb_request,
            }
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            # Convert return value to protobuf type
            return_value = (
                spanner_instance_admin.ListInstancePartitionOperationsResponse.pb(
                    return_value
                )
            )
            json_return_value = json_format.MessageToJson(return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value
            req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

            response = client.list_instance_partition_operations(request)

            expected_params = [("$alt", "json;enum-encoding=int")]
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_list_instance_partition_operations_rest_unset_required_fields():
    transport = transports.InstanceAdminRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = (
        transport.list_instance_partition_operations._get_unset_required_fields({})
    )
    assert set(unset_fields) == (
        set(
            (
                "filter",
                "instancePartitionDeadline",
                "pageSize",
                "pageToken",
            )
        )
        & set(("parent",))
    )


def test_list_instance_partition_operations_rest_flattened():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = spanner_instance_admin.ListInstancePartitionOperationsResponse()

        # get arguments that satisfy an http rule for this method
        sample_request = {"parent": "projects/sample1/instances/sample2"}

        # get truthy value for each flattened field
        mock_args = dict(
            parent="parent_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        # Convert return value to protobuf type
        return_value = (
            spanner_instance_admin.ListInstancePartitionOperationsResponse.pb(
                return_value
            )
        )
        json_return_value = json_format.MessageToJson(return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

        client.list_instance_partition_operations(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/v1/{parent=projects/*/instances/*}/instancePartitionOperations"
            % client.transport._host,
            args[1],
        )


def test_list_instance_partition_operations_rest_flattened_error(
    transport: str = "rest",
):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.list_instance_partition_operations(
            spanner_instance_admin.ListInstancePartitionOperationsRequest(),
            parent="parent_value",
        )


def test_list_instance_partition_operations_rest_pager(transport: str = "rest"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # TODO(kbandes): remove this mock unless there's a good reason for it.
        # with mock.patch.object(path_template, 'transcode') as transcode:
        # Set the response as a series of pages
        response = (
            spanner_instance_admin.ListInstancePartitionOperationsResponse(
                operations=[
                    operations_pb2.Operation(),
                    operations_pb2.Operation(),
                    operations_pb2.Operation(),
                ],
                next_page_token="abc",
            ),
            spanner_instance_admin.ListInstancePartitionOperationsResponse(
                operations=[],
                next_page_token="def",
            ),
            spanner_instance_admin.ListInstancePartitionOperationsResponse(
                operations=[
                    operations_pb2.Operation(),
                ],
                next_page_token="ghi",
            ),
            spanner_instance_admin.ListInstancePartitionOperationsResponse(
                operations=[
                    operations_pb2.Operation(),
                    operations_pb2.Operation(),
                ],
            ),
        )
        # Two responses for two calls
        response = response + response

        # Wrap the values into proper Response objs
        response = tuple(
            spanner_instance_admin.ListInstancePartitionOperationsResponse.to_json(x)
            for x in response
        )
        return_values = tuple(Response() for i in response)
        for return_val, response_val in zip(return_values, response):
            return_val._content = response_val.encode("UTF-8")
            return_val.status_code = 200
        req.side_effect = return_values

        sample_request = {"parent": "projects/sample1/instances/sample2"}

        pager = client.list_instance_partition_operations(request=sample_request)

        results = list(pager)
        assert len(results) == 6
        assert all(isinstance(i, operations_pb2.Operation) for i in results)

        pages = list(
            client.list_instance_partition_operations(request=sample_request).pages
        )
        for page_, token in zip(pages, ["abc", "def", "ghi", ""]):
            assert page_.raw_page.next_page_token == token


def test_move_instance_rest_use_cached_wrapped_rpc():
    # Clients should use _prep_wrapped_messages to create cached wrapped rpcs,
    # instead of constructing them on each call
    with mock.patch("google.api_core.gapic_v1.method.wrap_method") as wrapper_fn:
        client = InstanceAdminClient(
            credentials=ga_credentials.AnonymousCredentials(),
            transport="rest",
        )

        # Should wrap all calls on client creation
        assert wrapper_fn.call_count > 0
        wrapper_fn.reset_mock()

        # Ensure method has been cached
        assert client._transport.move_instance in client._transport._wrapped_methods

        # Replace cached wrapped function with mock
        mock_rpc = mock.Mock()
        mock_rpc.return_value.name = (
            "foo"  # operation_request.operation in compute client(s) expect a string.
        )
        client._transport._wrapped_methods[client._transport.move_instance] = mock_rpc

        request = {}
        client.move_instance(request)

        # Establish that the underlying gRPC stub method was called.
        assert mock_rpc.call_count == 1

        # Operation methods build a cached wrapper on first rpc call
        # subsequent calls should use the cached wrapper
        wrapper_fn.reset_mock()

        client.move_instance(request)

        # Establish that a new wrapper was not created for this call
        assert wrapper_fn.call_count == 0
        assert mock_rpc.call_count == 2


def test_move_instance_rest_required_fields(
    request_type=spanner_instance_admin.MoveInstanceRequest,
):
    transport_class = transports.InstanceAdminRestTransport

    request_init = {}
    request_init["name"] = ""
    request_init["target_config"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(pb_request, use_integers_for_enums=False)
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).move_instance._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["name"] = "name_value"
    jsonified_request["targetConfig"] = "target_config_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).move_instance._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "name" in jsonified_request
    assert jsonified_request["name"] == "name_value"
    assert "targetConfig" in jsonified_request
    assert jsonified_request["targetConfig"] == "target_config_value"

    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = operations_pb2.Operation(name="operations/spam")
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200
            json_return_value = json_format.MessageToJson(return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value
            req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

            response = client.move_instance(request)

            expected_params = [("$alt", "json;enum-encoding=int")]
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_move_instance_rest_unset_required_fields():
    transport = transports.InstanceAdminRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.move_instance._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(())
        & set(
            (
                "name",
                "targetConfig",
            )
        )
    )


def test_credentials_transport_error():
    # It is an error to provide credentials and a transport instance.
    transport = transports.InstanceAdminGrpcTransport(
        credentials=ga_credentials.AnonymousCredentials(),
    )
    with pytest.raises(ValueError):
        client = InstanceAdminClient(
            credentials=ga_credentials.AnonymousCredentials(),
            transport=transport,
        )

    # It is an error to provide a credentials file and a transport instance.
    transport = transports.InstanceAdminGrpcTransport(
        credentials=ga_credentials.AnonymousCredentials(),
    )
    with pytest.raises(ValueError):
        client = InstanceAdminClient(
            client_options={"credentials_file": "credentials.json"},
            transport=transport,
        )

    # It is an error to provide an api_key and a transport instance.
    transport = transports.InstanceAdminGrpcTransport(
        credentials=ga_credentials.AnonymousCredentials(),
    )
    options = client_options.ClientOptions()
    options.api_key = "api_key"
    with pytest.raises(ValueError):
        client = InstanceAdminClient(
            client_options=options,
            transport=transport,
        )

    # It is an error to provide an api_key and a credential.
    options = client_options.ClientOptions()
    options.api_key = "api_key"
    with pytest.raises(ValueError):
        client = InstanceAdminClient(
            client_options=options, credentials=ga_credentials.AnonymousCredentials()
        )

    # It is an error to provide scopes and a transport instance.
    transport = transports.InstanceAdminGrpcTransport(
        credentials=ga_credentials.AnonymousCredentials(),
    )
    with pytest.raises(ValueError):
        client = InstanceAdminClient(
            client_options={"scopes": ["1", "2"]},
            transport=transport,
        )


def test_transport_instance():
    # A client may be instantiated with a custom transport instance.
    transport = transports.InstanceAdminGrpcTransport(
        credentials=ga_credentials.AnonymousCredentials(),
    )
    client = InstanceAdminClient(transport=transport)
    assert client.transport is transport


def test_transport_get_channel():
    # A client may be instantiated with a custom transport instance.
    transport = transports.InstanceAdminGrpcTransport(
        credentials=ga_credentials.AnonymousCredentials(),
    )
    channel = transport.grpc_channel
    assert channel

    transport = transports.InstanceAdminGrpcAsyncIOTransport(
        credentials=ga_credentials.AnonymousCredentials(),
    )
    channel = transport.grpc_channel
    assert channel


@pytest.mark.parametrize(
    "transport_class",
    [
        transports.InstanceAdminGrpcTransport,
        transports.InstanceAdminGrpcAsyncIOTransport,
        transports.InstanceAdminRestTransport,
    ],
)
def test_transport_adc(transport_class):
    # Test default credentials are used if not provided.
    with mock.patch.object(google.auth, "default") as adc:
        adc.return_value = (ga_credentials.AnonymousCredentials(), None)
        transport_class()
        adc.assert_called_once()


def test_transport_kind_grpc():
    transport = InstanceAdminClient.get_transport_class("grpc")(
        credentials=ga_credentials.AnonymousCredentials()
    )
    assert transport.kind == "grpc"


def test_initialize_client_w_grpc():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="grpc"
    )
    assert client is not None


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
def test_list_instance_configs_empty_call_grpc():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="grpc",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_configs), "__call__"
    ) as call:
        call.return_value = spanner_instance_admin.ListInstanceConfigsResponse()
        client.list_instance_configs(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.ListInstanceConfigsRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
def test_get_instance_config_empty_call_grpc():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="grpc",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(
        type(client.transport.get_instance_config), "__call__"
    ) as call:
        call.return_value = spanner_instance_admin.InstanceConfig()
        client.get_instance_config(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.GetInstanceConfigRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
def test_create_instance_config_empty_call_grpc():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="grpc",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(
        type(client.transport.create_instance_config), "__call__"
    ) as call:
        call.return_value = operations_pb2.Operation(name="operations/op")
        client.create_instance_config(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.CreateInstanceConfigRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
def test_update_instance_config_empty_call_grpc():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="grpc",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(
        type(client.transport.update_instance_config), "__call__"
    ) as call:
        call.return_value = operations_pb2.Operation(name="operations/op")
        client.update_instance_config(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.UpdateInstanceConfigRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
def test_delete_instance_config_empty_call_grpc():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="grpc",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(
        type(client.transport.delete_instance_config), "__call__"
    ) as call:
        call.return_value = None
        client.delete_instance_config(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.DeleteInstanceConfigRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
def test_list_instance_config_operations_empty_call_grpc():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="grpc",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_config_operations), "__call__"
    ) as call:
        call.return_value = (
            spanner_instance_admin.ListInstanceConfigOperationsResponse()
        )
        client.list_instance_config_operations(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.ListInstanceConfigOperationsRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
def test_list_instances_empty_call_grpc():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="grpc",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(type(client.transport.list_instances), "__call__") as call:
        call.return_value = spanner_instance_admin.ListInstancesResponse()
        client.list_instances(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.ListInstancesRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
def test_list_instance_partitions_empty_call_grpc():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="grpc",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_partitions), "__call__"
    ) as call:
        call.return_value = spanner_instance_admin.ListInstancePartitionsResponse()
        client.list_instance_partitions(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.ListInstancePartitionsRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
def test_get_instance_empty_call_grpc():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="grpc",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(type(client.transport.get_instance), "__call__") as call:
        call.return_value = spanner_instance_admin.Instance()
        client.get_instance(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.GetInstanceRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
def test_create_instance_empty_call_grpc():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="grpc",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(type(client.transport.create_instance), "__call__") as call:
        call.return_value = operations_pb2.Operation(name="operations/op")
        client.create_instance(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.CreateInstanceRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
def test_update_instance_empty_call_grpc():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="grpc",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(type(client.transport.update_instance), "__call__") as call:
        call.return_value = operations_pb2.Operation(name="operations/op")
        client.update_instance(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.UpdateInstanceRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
def test_delete_instance_empty_call_grpc():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="grpc",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(type(client.transport.delete_instance), "__call__") as call:
        call.return_value = None
        client.delete_instance(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.DeleteInstanceRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
def test_set_iam_policy_empty_call_grpc():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="grpc",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(type(client.transport.set_iam_policy), "__call__") as call:
        call.return_value = policy_pb2.Policy()
        client.set_iam_policy(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = iam_policy_pb2.SetIamPolicyRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
def test_get_iam_policy_empty_call_grpc():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="grpc",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(type(client.transport.get_iam_policy), "__call__") as call:
        call.return_value = policy_pb2.Policy()
        client.get_iam_policy(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = iam_policy_pb2.GetIamPolicyRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
def test_test_iam_permissions_empty_call_grpc():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="grpc",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(
        type(client.transport.test_iam_permissions), "__call__"
    ) as call:
        call.return_value = iam_policy_pb2.TestIamPermissionsResponse()
        client.test_iam_permissions(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = iam_policy_pb2.TestIamPermissionsRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
def test_get_instance_partition_empty_call_grpc():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="grpc",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(
        type(client.transport.get_instance_partition), "__call__"
    ) as call:
        call.return_value = spanner_instance_admin.InstancePartition()
        client.get_instance_partition(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.GetInstancePartitionRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
def test_create_instance_partition_empty_call_grpc():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="grpc",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(
        type(client.transport.create_instance_partition), "__call__"
    ) as call:
        call.return_value = operations_pb2.Operation(name="operations/op")
        client.create_instance_partition(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.CreateInstancePartitionRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
def test_delete_instance_partition_empty_call_grpc():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="grpc",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(
        type(client.transport.delete_instance_partition), "__call__"
    ) as call:
        call.return_value = None
        client.delete_instance_partition(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.DeleteInstancePartitionRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
def test_update_instance_partition_empty_call_grpc():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="grpc",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(
        type(client.transport.update_instance_partition), "__call__"
    ) as call:
        call.return_value = operations_pb2.Operation(name="operations/op")
        client.update_instance_partition(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.UpdateInstancePartitionRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
def test_list_instance_partition_operations_empty_call_grpc():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="grpc",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_partition_operations), "__call__"
    ) as call:
        call.return_value = (
            spanner_instance_admin.ListInstancePartitionOperationsResponse()
        )
        client.list_instance_partition_operations(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.ListInstancePartitionOperationsRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
def test_move_instance_empty_call_grpc():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="grpc",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(type(client.transport.move_instance), "__call__") as call:
        call.return_value = operations_pb2.Operation(name="operations/op")
        client.move_instance(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.MoveInstanceRequest()

        assert args[0] == request_msg


def test_transport_kind_grpc_asyncio():
    transport = InstanceAdminAsyncClient.get_transport_class("grpc_asyncio")(
        credentials=async_anonymous_credentials()
    )
    assert transport.kind == "grpc_asyncio"


def test_initialize_client_w_grpc_asyncio():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(), transport="grpc_asyncio"
    )
    assert client is not None


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
@pytest.mark.asyncio
async def test_list_instance_configs_empty_call_grpc_asyncio():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport="grpc_asyncio",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_configs), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            spanner_instance_admin.ListInstanceConfigsResponse(
                next_page_token="next_page_token_value",
            )
        )
        await client.list_instance_configs(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.ListInstanceConfigsRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
@pytest.mark.asyncio
async def test_get_instance_config_empty_call_grpc_asyncio():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport="grpc_asyncio",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(
        type(client.transport.get_instance_config), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            spanner_instance_admin.InstanceConfig(
                name="name_value",
                display_name="display_name_value",
                config_type=spanner_instance_admin.InstanceConfig.Type.GOOGLE_MANAGED,
                base_config="base_config_value",
                etag="etag_value",
                leader_options=["leader_options_value"],
                reconciling=True,
                state=spanner_instance_admin.InstanceConfig.State.CREATING,
                free_instance_availability=spanner_instance_admin.InstanceConfig.FreeInstanceAvailability.AVAILABLE,
                quorum_type=spanner_instance_admin.InstanceConfig.QuorumType.REGION,
                storage_limit_per_processing_unit=3540,
            )
        )
        await client.get_instance_config(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.GetInstanceConfigRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
@pytest.mark.asyncio
async def test_create_instance_config_empty_call_grpc_asyncio():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport="grpc_asyncio",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(
        type(client.transport.create_instance_config), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            operations_pb2.Operation(name="operations/spam")
        )
        await client.create_instance_config(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.CreateInstanceConfigRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
@pytest.mark.asyncio
async def test_update_instance_config_empty_call_grpc_asyncio():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport="grpc_asyncio",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(
        type(client.transport.update_instance_config), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            operations_pb2.Operation(name="operations/spam")
        )
        await client.update_instance_config(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.UpdateInstanceConfigRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
@pytest.mark.asyncio
async def test_delete_instance_config_empty_call_grpc_asyncio():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport="grpc_asyncio",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(
        type(client.transport.delete_instance_config), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(None)
        await client.delete_instance_config(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.DeleteInstanceConfigRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
@pytest.mark.asyncio
async def test_list_instance_config_operations_empty_call_grpc_asyncio():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport="grpc_asyncio",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_config_operations), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            spanner_instance_admin.ListInstanceConfigOperationsResponse(
                next_page_token="next_page_token_value",
            )
        )
        await client.list_instance_config_operations(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.ListInstanceConfigOperationsRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
@pytest.mark.asyncio
async def test_list_instances_empty_call_grpc_asyncio():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport="grpc_asyncio",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(type(client.transport.list_instances), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            spanner_instance_admin.ListInstancesResponse(
                next_page_token="next_page_token_value",
                unreachable=["unreachable_value"],
            )
        )
        await client.list_instances(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.ListInstancesRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
@pytest.mark.asyncio
async def test_list_instance_partitions_empty_call_grpc_asyncio():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport="grpc_asyncio",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_partitions), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            spanner_instance_admin.ListInstancePartitionsResponse(
                next_page_token="next_page_token_value",
                unreachable=["unreachable_value"],
            )
        )
        await client.list_instance_partitions(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.ListInstancePartitionsRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
@pytest.mark.asyncio
async def test_get_instance_empty_call_grpc_asyncio():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport="grpc_asyncio",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(type(client.transport.get_instance), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            spanner_instance_admin.Instance(
                name="name_value",
                config="config_value",
                display_name="display_name_value",
                node_count=1070,
                processing_units=1743,
                state=spanner_instance_admin.Instance.State.CREATING,
                instance_type=spanner_instance_admin.Instance.InstanceType.PROVISIONED,
                endpoint_uris=["endpoint_uris_value"],
                edition=spanner_instance_admin.Instance.Edition.STANDARD,
                default_backup_schedule_type=spanner_instance_admin.Instance.DefaultBackupScheduleType.NONE,
            )
        )
        await client.get_instance(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.GetInstanceRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
@pytest.mark.asyncio
async def test_create_instance_empty_call_grpc_asyncio():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport="grpc_asyncio",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(type(client.transport.create_instance), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            operations_pb2.Operation(name="operations/spam")
        )
        await client.create_instance(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.CreateInstanceRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
@pytest.mark.asyncio
async def test_update_instance_empty_call_grpc_asyncio():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport="grpc_asyncio",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(type(client.transport.update_instance), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            operations_pb2.Operation(name="operations/spam")
        )
        await client.update_instance(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.UpdateInstanceRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
@pytest.mark.asyncio
async def test_delete_instance_empty_call_grpc_asyncio():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport="grpc_asyncio",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(type(client.transport.delete_instance), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(None)
        await client.delete_instance(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.DeleteInstanceRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
@pytest.mark.asyncio
async def test_set_iam_policy_empty_call_grpc_asyncio():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport="grpc_asyncio",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(type(client.transport.set_iam_policy), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            policy_pb2.Policy(
                version=774,
                etag=b"etag_blob",
            )
        )
        await client.set_iam_policy(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = iam_policy_pb2.SetIamPolicyRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
@pytest.mark.asyncio
async def test_get_iam_policy_empty_call_grpc_asyncio():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport="grpc_asyncio",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(type(client.transport.get_iam_policy), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            policy_pb2.Policy(
                version=774,
                etag=b"etag_blob",
            )
        )
        await client.get_iam_policy(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = iam_policy_pb2.GetIamPolicyRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
@pytest.mark.asyncio
async def test_test_iam_permissions_empty_call_grpc_asyncio():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport="grpc_asyncio",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(
        type(client.transport.test_iam_permissions), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            iam_policy_pb2.TestIamPermissionsResponse(
                permissions=["permissions_value"],
            )
        )
        await client.test_iam_permissions(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = iam_policy_pb2.TestIamPermissionsRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
@pytest.mark.asyncio
async def test_get_instance_partition_empty_call_grpc_asyncio():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport="grpc_asyncio",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(
        type(client.transport.get_instance_partition), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            spanner_instance_admin.InstancePartition(
                name="name_value",
                config="config_value",
                display_name="display_name_value",
                state=spanner_instance_admin.InstancePartition.State.CREATING,
                referencing_databases=["referencing_databases_value"],
                referencing_backups=["referencing_backups_value"],
                etag="etag_value",
            )
        )
        await client.get_instance_partition(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.GetInstancePartitionRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
@pytest.mark.asyncio
async def test_create_instance_partition_empty_call_grpc_asyncio():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport="grpc_asyncio",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(
        type(client.transport.create_instance_partition), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            operations_pb2.Operation(name="operations/spam")
        )
        await client.create_instance_partition(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.CreateInstancePartitionRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
@pytest.mark.asyncio
async def test_delete_instance_partition_empty_call_grpc_asyncio():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport="grpc_asyncio",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(
        type(client.transport.delete_instance_partition), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(None)
        await client.delete_instance_partition(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.DeleteInstancePartitionRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
@pytest.mark.asyncio
async def test_update_instance_partition_empty_call_grpc_asyncio():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport="grpc_asyncio",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(
        type(client.transport.update_instance_partition), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            operations_pb2.Operation(name="operations/spam")
        )
        await client.update_instance_partition(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.UpdateInstancePartitionRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
@pytest.mark.asyncio
async def test_list_instance_partition_operations_empty_call_grpc_asyncio():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport="grpc_asyncio",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_partition_operations), "__call__"
    ) as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            spanner_instance_admin.ListInstancePartitionOperationsResponse(
                next_page_token="next_page_token_value",
                unreachable_instance_partitions=[
                    "unreachable_instance_partitions_value"
                ],
            )
        )
        await client.list_instance_partition_operations(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.ListInstancePartitionOperationsRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
@pytest.mark.asyncio
async def test_move_instance_empty_call_grpc_asyncio():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport="grpc_asyncio",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(type(client.transport.move_instance), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            operations_pb2.Operation(name="operations/spam")
        )
        await client.move_instance(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.MoveInstanceRequest()

        assert args[0] == request_msg


def test_transport_kind_rest():
    transport = InstanceAdminClient.get_transport_class("rest")(
        credentials=ga_credentials.AnonymousCredentials()
    )
    assert transport.kind == "rest"


def test_list_instance_configs_rest_bad_request(
    request_type=spanner_instance_admin.ListInstanceConfigsRequest,
):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )
    # send a request that will satisfy transcoding
    request_init = {"parent": "projects/sample1"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        json_return_value = ""
        response_value.json = mock.Mock(return_value={})
        response_value.status_code = 400
        response_value.request = mock.Mock()
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        client.list_instance_configs(request)


@pytest.mark.parametrize(
    "request_type",
    [
        spanner_instance_admin.ListInstanceConfigsRequest,
        dict,
    ],
)
def test_list_instance_configs_rest_call_success(request_type):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )

    # send a request that will satisfy transcoding
    request_init = {"parent": "projects/sample1"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = spanner_instance_admin.ListInstanceConfigsResponse(
            next_page_token="next_page_token_value",
        )

        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        response_value.status_code = 200

        # Convert return value to protobuf type
        return_value = spanner_instance_admin.ListInstanceConfigsResponse.pb(
            return_value
        )
        json_return_value = json_format.MessageToJson(return_value)
        response_value.content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        response = client.list_instance_configs(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, pagers.ListInstanceConfigsPager)
    assert response.next_page_token == "next_page_token_value"


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_list_instance_configs_rest_interceptors(null_interceptor):
    transport = transports.InstanceAdminRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None
        if null_interceptor
        else transports.InstanceAdminRestInterceptor(),
    )
    client = InstanceAdminClient(transport=transport)

    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstanceAdminRestInterceptor, "post_list_instance_configs"
    ) as post, mock.patch.object(
        transports.InstanceAdminRestInterceptor,
        "post_list_instance_configs_with_metadata",
    ) as post_with_metadata, mock.patch.object(
        transports.InstanceAdminRestInterceptor, "pre_list_instance_configs"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        post_with_metadata.assert_not_called()
        pb_message = spanner_instance_admin.ListInstanceConfigsRequest.pb(
            spanner_instance_admin.ListInstanceConfigsRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = mock.Mock()
        req.return_value.status_code = 200
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        return_value = spanner_instance_admin.ListInstanceConfigsResponse.to_json(
            spanner_instance_admin.ListInstanceConfigsResponse()
        )
        req.return_value.content = return_value

        request = spanner_instance_admin.ListInstanceConfigsRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = spanner_instance_admin.ListInstanceConfigsResponse()
        post_with_metadata.return_value = (
            spanner_instance_admin.ListInstanceConfigsResponse(),
            metadata,
        )

        client.list_instance_configs(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()
        post_with_metadata.assert_called_once()


def test_get_instance_config_rest_bad_request(
    request_type=spanner_instance_admin.GetInstanceConfigRequest,
):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )
    # send a request that will satisfy transcoding
    request_init = {"name": "projects/sample1/instanceConfigs/sample2"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        json_return_value = ""
        response_value.json = mock.Mock(return_value={})
        response_value.status_code = 400
        response_value.request = mock.Mock()
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        client.get_instance_config(request)


@pytest.mark.parametrize(
    "request_type",
    [
        spanner_instance_admin.GetInstanceConfigRequest,
        dict,
    ],
)
def test_get_instance_config_rest_call_success(request_type):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )

    # send a request that will satisfy transcoding
    request_init = {"name": "projects/sample1/instanceConfigs/sample2"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = spanner_instance_admin.InstanceConfig(
            name="name_value",
            display_name="display_name_value",
            config_type=spanner_instance_admin.InstanceConfig.Type.GOOGLE_MANAGED,
            base_config="base_config_value",
            etag="etag_value",
            leader_options=["leader_options_value"],
            reconciling=True,
            state=spanner_instance_admin.InstanceConfig.State.CREATING,
            free_instance_availability=spanner_instance_admin.InstanceConfig.FreeInstanceAvailability.AVAILABLE,
            quorum_type=spanner_instance_admin.InstanceConfig.QuorumType.REGION,
            storage_limit_per_processing_unit=3540,
        )

        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        response_value.status_code = 200

        # Convert return value to protobuf type
        return_value = spanner_instance_admin.InstanceConfig.pb(return_value)
        json_return_value = json_format.MessageToJson(return_value)
        response_value.content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        response = client.get_instance_config(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, spanner_instance_admin.InstanceConfig)
    assert response.name == "name_value"
    assert response.display_name == "display_name_value"
    assert (
        response.config_type
        == spanner_instance_admin.InstanceConfig.Type.GOOGLE_MANAGED
    )
    assert response.base_config == "base_config_value"
    assert response.etag == "etag_value"
    assert response.leader_options == ["leader_options_value"]
    assert response.reconciling is True
    assert response.state == spanner_instance_admin.InstanceConfig.State.CREATING
    assert (
        response.free_instance_availability
        == spanner_instance_admin.InstanceConfig.FreeInstanceAvailability.AVAILABLE
    )
    assert (
        response.quorum_type == spanner_instance_admin.InstanceConfig.QuorumType.REGION
    )
    assert response.storage_limit_per_processing_unit == 3540


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_get_instance_config_rest_interceptors(null_interceptor):
    transport = transports.InstanceAdminRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None
        if null_interceptor
        else transports.InstanceAdminRestInterceptor(),
    )
    client = InstanceAdminClient(transport=transport)

    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstanceAdminRestInterceptor, "post_get_instance_config"
    ) as post, mock.patch.object(
        transports.InstanceAdminRestInterceptor,
        "post_get_instance_config_with_metadata",
    ) as post_with_metadata, mock.patch.object(
        transports.InstanceAdminRestInterceptor, "pre_get_instance_config"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        post_with_metadata.assert_not_called()
        pb_message = spanner_instance_admin.GetInstanceConfigRequest.pb(
            spanner_instance_admin.GetInstanceConfigRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = mock.Mock()
        req.return_value.status_code = 200
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        return_value = spanner_instance_admin.InstanceConfig.to_json(
            spanner_instance_admin.InstanceConfig()
        )
        req.return_value.content = return_value

        request = spanner_instance_admin.GetInstanceConfigRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = spanner_instance_admin.InstanceConfig()
        post_with_metadata.return_value = (
            spanner_instance_admin.InstanceConfig(),
            metadata,
        )

        client.get_instance_config(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()
        post_with_metadata.assert_called_once()


def test_create_instance_config_rest_bad_request(
    request_type=spanner_instance_admin.CreateInstanceConfigRequest,
):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )
    # send a request that will satisfy transcoding
    request_init = {"parent": "projects/sample1"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        json_return_value = ""
        response_value.json = mock.Mock(return_value={})
        response_value.status_code = 400
        response_value.request = mock.Mock()
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        client.create_instance_config(request)


@pytest.mark.parametrize(
    "request_type",
    [
        spanner_instance_admin.CreateInstanceConfigRequest,
        dict,
    ],
)
def test_create_instance_config_rest_call_success(request_type):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )

    # send a request that will satisfy transcoding
    request_init = {"parent": "projects/sample1"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = operations_pb2.Operation(name="operations/spam")

        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        response_value.status_code = 200
        json_return_value = json_format.MessageToJson(return_value)
        response_value.content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        response = client.create_instance_config(request)

    # Establish that the response is the type that we expect.
    json_return_value = json_format.MessageToJson(return_value)


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_create_instance_config_rest_interceptors(null_interceptor):
    transport = transports.InstanceAdminRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None
        if null_interceptor
        else transports.InstanceAdminRestInterceptor(),
    )
    client = InstanceAdminClient(transport=transport)

    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        operation.Operation, "_set_result_from_operation"
    ), mock.patch.object(
        transports.InstanceAdminRestInterceptor, "post_create_instance_config"
    ) as post, mock.patch.object(
        transports.InstanceAdminRestInterceptor,
        "post_create_instance_config_with_metadata",
    ) as post_with_metadata, mock.patch.object(
        transports.InstanceAdminRestInterceptor, "pre_create_instance_config"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        post_with_metadata.assert_not_called()
        pb_message = spanner_instance_admin.CreateInstanceConfigRequest.pb(
            spanner_instance_admin.CreateInstanceConfigRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = mock.Mock()
        req.return_value.status_code = 200
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        return_value = json_format.MessageToJson(operations_pb2.Operation())
        req.return_value.content = return_value

        request = spanner_instance_admin.CreateInstanceConfigRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = operations_pb2.Operation()
        post_with_metadata.return_value = operations_pb2.Operation(), metadata

        client.create_instance_config(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()
        post_with_metadata.assert_called_once()


def test_update_instance_config_rest_bad_request(
    request_type=spanner_instance_admin.UpdateInstanceConfigRequest,
):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )
    # send a request that will satisfy transcoding
    request_init = {
        "instance_config": {"name": "projects/sample1/instanceConfigs/sample2"}
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        json_return_value = ""
        response_value.json = mock.Mock(return_value={})
        response_value.status_code = 400
        response_value.request = mock.Mock()
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        client.update_instance_config(request)


@pytest.mark.parametrize(
    "request_type",
    [
        spanner_instance_admin.UpdateInstanceConfigRequest,
        dict,
    ],
)
def test_update_instance_config_rest_call_success(request_type):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )

    # send a request that will satisfy transcoding
    request_init = {
        "instance_config": {"name": "projects/sample1/instanceConfigs/sample2"}
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = operations_pb2.Operation(name="operations/spam")

        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        response_value.status_code = 200
        json_return_value = json_format.MessageToJson(return_value)
        response_value.content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        response = client.update_instance_config(request)

    # Establish that the response is the type that we expect.
    json_return_value = json_format.MessageToJson(return_value)


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_update_instance_config_rest_interceptors(null_interceptor):
    transport = transports.InstanceAdminRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None
        if null_interceptor
        else transports.InstanceAdminRestInterceptor(),
    )
    client = InstanceAdminClient(transport=transport)

    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        operation.Operation, "_set_result_from_operation"
    ), mock.patch.object(
        transports.InstanceAdminRestInterceptor, "post_update_instance_config"
    ) as post, mock.patch.object(
        transports.InstanceAdminRestInterceptor,
        "post_update_instance_config_with_metadata",
    ) as post_with_metadata, mock.patch.object(
        transports.InstanceAdminRestInterceptor, "pre_update_instance_config"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        post_with_metadata.assert_not_called()
        pb_message = spanner_instance_admin.UpdateInstanceConfigRequest.pb(
            spanner_instance_admin.UpdateInstanceConfigRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = mock.Mock()
        req.return_value.status_code = 200
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        return_value = json_format.MessageToJson(operations_pb2.Operation())
        req.return_value.content = return_value

        request = spanner_instance_admin.UpdateInstanceConfigRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = operations_pb2.Operation()
        post_with_metadata.return_value = operations_pb2.Operation(), metadata

        client.update_instance_config(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()
        post_with_metadata.assert_called_once()


def test_delete_instance_config_rest_bad_request(
    request_type=spanner_instance_admin.DeleteInstanceConfigRequest,
):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )
    # send a request that will satisfy transcoding
    request_init = {"name": "projects/sample1/instanceConfigs/sample2"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        json_return_value = ""
        response_value.json = mock.Mock(return_value={})
        response_value.status_code = 400
        response_value.request = mock.Mock()
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        client.delete_instance_config(request)


@pytest.mark.parametrize(
    "request_type",
    [
        spanner_instance_admin.DeleteInstanceConfigRequest,
        dict,
    ],
)
def test_delete_instance_config_rest_call_success(request_type):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )

    # send a request that will satisfy transcoding
    request_init = {"name": "projects/sample1/instanceConfigs/sample2"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = None

        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        response_value.status_code = 200
        json_return_value = ""
        response_value.content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        response = client.delete_instance_config(request)

    # Establish that the response is the type that we expect.
    assert response is None


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_delete_instance_config_rest_interceptors(null_interceptor):
    transport = transports.InstanceAdminRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None
        if null_interceptor
        else transports.InstanceAdminRestInterceptor(),
    )
    client = InstanceAdminClient(transport=transport)

    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstanceAdminRestInterceptor, "pre_delete_instance_config"
    ) as pre:
        pre.assert_not_called()
        pb_message = spanner_instance_admin.DeleteInstanceConfigRequest.pb(
            spanner_instance_admin.DeleteInstanceConfigRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = mock.Mock()
        req.return_value.status_code = 200
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

        request = spanner_instance_admin.DeleteInstanceConfigRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata

        client.delete_instance_config(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()


def test_list_instance_config_operations_rest_bad_request(
    request_type=spanner_instance_admin.ListInstanceConfigOperationsRequest,
):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )
    # send a request that will satisfy transcoding
    request_init = {"parent": "projects/sample1"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        json_return_value = ""
        response_value.json = mock.Mock(return_value={})
        response_value.status_code = 400
        response_value.request = mock.Mock()
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        client.list_instance_config_operations(request)


@pytest.mark.parametrize(
    "request_type",
    [
        spanner_instance_admin.ListInstanceConfigOperationsRequest,
        dict,
    ],
)
def test_list_instance_config_operations_rest_call_success(request_type):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )

    # send a request that will satisfy transcoding
    request_init = {"parent": "projects/sample1"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = spanner_instance_admin.ListInstanceConfigOperationsResponse(
            next_page_token="next_page_token_value",
        )

        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        response_value.status_code = 200

        # Convert return value to protobuf type
        return_value = spanner_instance_admin.ListInstanceConfigOperationsResponse.pb(
            return_value
        )
        json_return_value = json_format.MessageToJson(return_value)
        response_value.content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        response = client.list_instance_config_operations(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, pagers.ListInstanceConfigOperationsPager)
    assert response.next_page_token == "next_page_token_value"


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_list_instance_config_operations_rest_interceptors(null_interceptor):
    transport = transports.InstanceAdminRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None
        if null_interceptor
        else transports.InstanceAdminRestInterceptor(),
    )
    client = InstanceAdminClient(transport=transport)

    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstanceAdminRestInterceptor, "post_list_instance_config_operations"
    ) as post, mock.patch.object(
        transports.InstanceAdminRestInterceptor,
        "post_list_instance_config_operations_with_metadata",
    ) as post_with_metadata, mock.patch.object(
        transports.InstanceAdminRestInterceptor, "pre_list_instance_config_operations"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        post_with_metadata.assert_not_called()
        pb_message = spanner_instance_admin.ListInstanceConfigOperationsRequest.pb(
            spanner_instance_admin.ListInstanceConfigOperationsRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = mock.Mock()
        req.return_value.status_code = 200
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        return_value = (
            spanner_instance_admin.ListInstanceConfigOperationsResponse.to_json(
                spanner_instance_admin.ListInstanceConfigOperationsResponse()
            )
        )
        req.return_value.content = return_value

        request = spanner_instance_admin.ListInstanceConfigOperationsRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = (
            spanner_instance_admin.ListInstanceConfigOperationsResponse()
        )
        post_with_metadata.return_value = (
            spanner_instance_admin.ListInstanceConfigOperationsResponse(),
            metadata,
        )

        client.list_instance_config_operations(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()
        post_with_metadata.assert_called_once()


def test_list_instances_rest_bad_request(
    request_type=spanner_instance_admin.ListInstancesRequest,
):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )
    # send a request that will satisfy transcoding
    request_init = {"parent": "projects/sample1"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        json_return_value = ""
        response_value.json = mock.Mock(return_value={})
        response_value.status_code = 400
        response_value.request = mock.Mock()
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        client.list_instances(request)


@pytest.mark.parametrize(
    "request_type",
    [
        spanner_instance_admin.ListInstancesRequest,
        dict,
    ],
)
def test_list_instances_rest_call_success(request_type):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )

    # send a request that will satisfy transcoding
    request_init = {"parent": "projects/sample1"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = spanner_instance_admin.ListInstancesResponse(
            next_page_token="next_page_token_value",
            unreachable=["unreachable_value"],
        )

        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        response_value.status_code = 200

        # Convert return value to protobuf type
        return_value = spanner_instance_admin.ListInstancesResponse.pb(return_value)
        json_return_value = json_format.MessageToJson(return_value)
        response_value.content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        response = client.list_instances(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, pagers.ListInstancesPager)
    assert response.next_page_token == "next_page_token_value"
    assert response.unreachable == ["unreachable_value"]


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_list_instances_rest_interceptors(null_interceptor):
    transport = transports.InstanceAdminRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None
        if null_interceptor
        else transports.InstanceAdminRestInterceptor(),
    )
    client = InstanceAdminClient(transport=transport)

    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstanceAdminRestInterceptor, "post_list_instances"
    ) as post, mock.patch.object(
        transports.InstanceAdminRestInterceptor, "post_list_instances_with_metadata"
    ) as post_with_metadata, mock.patch.object(
        transports.InstanceAdminRestInterceptor, "pre_list_instances"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        post_with_metadata.assert_not_called()
        pb_message = spanner_instance_admin.ListInstancesRequest.pb(
            spanner_instance_admin.ListInstancesRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = mock.Mock()
        req.return_value.status_code = 200
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        return_value = spanner_instance_admin.ListInstancesResponse.to_json(
            spanner_instance_admin.ListInstancesResponse()
        )
        req.return_value.content = return_value

        request = spanner_instance_admin.ListInstancesRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = spanner_instance_admin.ListInstancesResponse()
        post_with_metadata.return_value = (
            spanner_instance_admin.ListInstancesResponse(),
            metadata,
        )

        client.list_instances(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()
        post_with_metadata.assert_called_once()


def test_list_instance_partitions_rest_bad_request(
    request_type=spanner_instance_admin.ListInstancePartitionsRequest,
):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )
    # send a request that will satisfy transcoding
    request_init = {"parent": "projects/sample1/instances/sample2"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        json_return_value = ""
        response_value.json = mock.Mock(return_value={})
        response_value.status_code = 400
        response_value.request = mock.Mock()
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        client.list_instance_partitions(request)


@pytest.mark.parametrize(
    "request_type",
    [
        spanner_instance_admin.ListInstancePartitionsRequest,
        dict,
    ],
)
def test_list_instance_partitions_rest_call_success(request_type):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )

    # send a request that will satisfy transcoding
    request_init = {"parent": "projects/sample1/instances/sample2"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = spanner_instance_admin.ListInstancePartitionsResponse(
            next_page_token="next_page_token_value",
            unreachable=["unreachable_value"],
        )

        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        response_value.status_code = 200

        # Convert return value to protobuf type
        return_value = spanner_instance_admin.ListInstancePartitionsResponse.pb(
            return_value
        )
        json_return_value = json_format.MessageToJson(return_value)
        response_value.content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        response = client.list_instance_partitions(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, pagers.ListInstancePartitionsPager)
    assert response.next_page_token == "next_page_token_value"
    assert response.unreachable == ["unreachable_value"]


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_list_instance_partitions_rest_interceptors(null_interceptor):
    transport = transports.InstanceAdminRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None
        if null_interceptor
        else transports.InstanceAdminRestInterceptor(),
    )
    client = InstanceAdminClient(transport=transport)

    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstanceAdminRestInterceptor, "post_list_instance_partitions"
    ) as post, mock.patch.object(
        transports.InstanceAdminRestInterceptor,
        "post_list_instance_partitions_with_metadata",
    ) as post_with_metadata, mock.patch.object(
        transports.InstanceAdminRestInterceptor, "pre_list_instance_partitions"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        post_with_metadata.assert_not_called()
        pb_message = spanner_instance_admin.ListInstancePartitionsRequest.pb(
            spanner_instance_admin.ListInstancePartitionsRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = mock.Mock()
        req.return_value.status_code = 200
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        return_value = spanner_instance_admin.ListInstancePartitionsResponse.to_json(
            spanner_instance_admin.ListInstancePartitionsResponse()
        )
        req.return_value.content = return_value

        request = spanner_instance_admin.ListInstancePartitionsRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = spanner_instance_admin.ListInstancePartitionsResponse()
        post_with_metadata.return_value = (
            spanner_instance_admin.ListInstancePartitionsResponse(),
            metadata,
        )

        client.list_instance_partitions(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()
        post_with_metadata.assert_called_once()


def test_get_instance_rest_bad_request(
    request_type=spanner_instance_admin.GetInstanceRequest,
):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )
    # send a request that will satisfy transcoding
    request_init = {"name": "projects/sample1/instances/sample2"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        json_return_value = ""
        response_value.json = mock.Mock(return_value={})
        response_value.status_code = 400
        response_value.request = mock.Mock()
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        client.get_instance(request)


@pytest.mark.parametrize(
    "request_type",
    [
        spanner_instance_admin.GetInstanceRequest,
        dict,
    ],
)
def test_get_instance_rest_call_success(request_type):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )

    # send a request that will satisfy transcoding
    request_init = {"name": "projects/sample1/instances/sample2"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = spanner_instance_admin.Instance(
            name="name_value",
            config="config_value",
            display_name="display_name_value",
            node_count=1070,
            processing_units=1743,
            state=spanner_instance_admin.Instance.State.CREATING,
            instance_type=spanner_instance_admin.Instance.InstanceType.PROVISIONED,
            endpoint_uris=["endpoint_uris_value"],
            edition=spanner_instance_admin.Instance.Edition.STANDARD,
            default_backup_schedule_type=spanner_instance_admin.Instance.DefaultBackupScheduleType.NONE,
        )

        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        response_value.status_code = 200

        # Convert return value to protobuf type
        return_value = spanner_instance_admin.Instance.pb(return_value)
        json_return_value = json_format.MessageToJson(return_value)
        response_value.content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        response = client.get_instance(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, spanner_instance_admin.Instance)
    assert response.name == "name_value"
    assert response.config == "config_value"
    assert response.display_name == "display_name_value"
    assert response.node_count == 1070
    assert response.processing_units == 1743
    assert response.state == spanner_instance_admin.Instance.State.CREATING
    assert (
        response.instance_type
        == spanner_instance_admin.Instance.InstanceType.PROVISIONED
    )
    assert response.endpoint_uris == ["endpoint_uris_value"]
    assert response.edition == spanner_instance_admin.Instance.Edition.STANDARD
    assert (
        response.default_backup_schedule_type
        == spanner_instance_admin.Instance.DefaultBackupScheduleType.NONE
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_get_instance_rest_interceptors(null_interceptor):
    transport = transports.InstanceAdminRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None
        if null_interceptor
        else transports.InstanceAdminRestInterceptor(),
    )
    client = InstanceAdminClient(transport=transport)

    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstanceAdminRestInterceptor, "post_get_instance"
    ) as post, mock.patch.object(
        transports.InstanceAdminRestInterceptor, "post_get_instance_with_metadata"
    ) as post_with_metadata, mock.patch.object(
        transports.InstanceAdminRestInterceptor, "pre_get_instance"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        post_with_metadata.assert_not_called()
        pb_message = spanner_instance_admin.GetInstanceRequest.pb(
            spanner_instance_admin.GetInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = mock.Mock()
        req.return_value.status_code = 200
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        return_value = spanner_instance_admin.Instance.to_json(
            spanner_instance_admin.Instance()
        )
        req.return_value.content = return_value

        request = spanner_instance_admin.GetInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = spanner_instance_admin.Instance()
        post_with_metadata.return_value = spanner_instance_admin.Instance(), metadata

        client.get_instance(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()
        post_with_metadata.assert_called_once()


def test_create_instance_rest_bad_request(
    request_type=spanner_instance_admin.CreateInstanceRequest,
):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )
    # send a request that will satisfy transcoding
    request_init = {"parent": "projects/sample1"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        json_return_value = ""
        response_value.json = mock.Mock(return_value={})
        response_value.status_code = 400
        response_value.request = mock.Mock()
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        client.create_instance(request)


@pytest.mark.parametrize(
    "request_type",
    [
        spanner_instance_admin.CreateInstanceRequest,
        dict,
    ],
)
def test_create_instance_rest_call_success(request_type):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )

    # send a request that will satisfy transcoding
    request_init = {"parent": "projects/sample1"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = operations_pb2.Operation(name="operations/spam")

        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        response_value.status_code = 200
        json_return_value = json_format.MessageToJson(return_value)
        response_value.content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        response = client.create_instance(request)

    # Establish that the response is the type that we expect.
    json_return_value = json_format.MessageToJson(return_value)


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_create_instance_rest_interceptors(null_interceptor):
    transport = transports.InstanceAdminRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None
        if null_interceptor
        else transports.InstanceAdminRestInterceptor(),
    )
    client = InstanceAdminClient(transport=transport)

    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        operation.Operation, "_set_result_from_operation"
    ), mock.patch.object(
        transports.InstanceAdminRestInterceptor, "post_create_instance"
    ) as post, mock.patch.object(
        transports.InstanceAdminRestInterceptor, "post_create_instance_with_metadata"
    ) as post_with_metadata, mock.patch.object(
        transports.InstanceAdminRestInterceptor, "pre_create_instance"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        post_with_metadata.assert_not_called()
        pb_message = spanner_instance_admin.CreateInstanceRequest.pb(
            spanner_instance_admin.CreateInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = mock.Mock()
        req.return_value.status_code = 200
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        return_value = json_format.MessageToJson(operations_pb2.Operation())
        req.return_value.content = return_value

        request = spanner_instance_admin.CreateInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = operations_pb2.Operation()
        post_with_metadata.return_value = operations_pb2.Operation(), metadata

        client.create_instance(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()
        post_with_metadata.assert_called_once()


def test_update_instance_rest_bad_request(
    request_type=spanner_instance_admin.UpdateInstanceRequest,
):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )
    # send a request that will satisfy transcoding
    request_init = {"instance": {"name": "projects/sample1/instances/sample2"}}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        json_return_value = ""
        response_value.json = mock.Mock(return_value={})
        response_value.status_code = 400
        response_value.request = mock.Mock()
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        client.update_instance(request)


@pytest.mark.parametrize(
    "request_type",
    [
        spanner_instance_admin.UpdateInstanceRequest,
        dict,
    ],
)
def test_update_instance_rest_call_success(request_type):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )

    # send a request that will satisfy transcoding
    request_init = {"instance": {"name": "projects/sample1/instances/sample2"}}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = operations_pb2.Operation(name="operations/spam")

        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        response_value.status_code = 200
        json_return_value = json_format.MessageToJson(return_value)
        response_value.content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        response = client.update_instance(request)

    # Establish that the response is the type that we expect.
    json_return_value = json_format.MessageToJson(return_value)


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_update_instance_rest_interceptors(null_interceptor):
    transport = transports.InstanceAdminRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None
        if null_interceptor
        else transports.InstanceAdminRestInterceptor(),
    )
    client = InstanceAdminClient(transport=transport)

    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        operation.Operation, "_set_result_from_operation"
    ), mock.patch.object(
        transports.InstanceAdminRestInterceptor, "post_update_instance"
    ) as post, mock.patch.object(
        transports.InstanceAdminRestInterceptor, "post_update_instance_with_metadata"
    ) as post_with_metadata, mock.patch.object(
        transports.InstanceAdminRestInterceptor, "pre_update_instance"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        post_with_metadata.assert_not_called()
        pb_message = spanner_instance_admin.UpdateInstanceRequest.pb(
            spanner_instance_admin.UpdateInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = mock.Mock()
        req.return_value.status_code = 200
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        return_value = json_format.MessageToJson(operations_pb2.Operation())
        req.return_value.content = return_value

        request = spanner_instance_admin.UpdateInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = operations_pb2.Operation()
        post_with_metadata.return_value = operations_pb2.Operation(), metadata

        client.update_instance(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()
        post_with_metadata.assert_called_once()


def test_delete_instance_rest_bad_request(
    request_type=spanner_instance_admin.DeleteInstanceRequest,
):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )
    # send a request that will satisfy transcoding
    request_init = {"name": "projects/sample1/instances/sample2"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        json_return_value = ""
        response_value.json = mock.Mock(return_value={})
        response_value.status_code = 400
        response_value.request = mock.Mock()
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        client.delete_instance(request)


@pytest.mark.parametrize(
    "request_type",
    [
        spanner_instance_admin.DeleteInstanceRequest,
        dict,
    ],
)
def test_delete_instance_rest_call_success(request_type):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )

    # send a request that will satisfy transcoding
    request_init = {"name": "projects/sample1/instances/sample2"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = None

        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        response_value.status_code = 200
        json_return_value = ""
        response_value.content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        response = client.delete_instance(request)

    # Establish that the response is the type that we expect.
    assert response is None


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_delete_instance_rest_interceptors(null_interceptor):
    transport = transports.InstanceAdminRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None
        if null_interceptor
        else transports.InstanceAdminRestInterceptor(),
    )
    client = InstanceAdminClient(transport=transport)

    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstanceAdminRestInterceptor, "pre_delete_instance"
    ) as pre:
        pre.assert_not_called()
        pb_message = spanner_instance_admin.DeleteInstanceRequest.pb(
            spanner_instance_admin.DeleteInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = mock.Mock()
        req.return_value.status_code = 200
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

        request = spanner_instance_admin.DeleteInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata

        client.delete_instance(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()


def test_set_iam_policy_rest_bad_request(
    request_type=iam_policy_pb2.SetIamPolicyRequest,
):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )
    # send a request that will satisfy transcoding
    request_init = {"resource": "projects/sample1/instances/sample2"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        json_return_value = ""
        response_value.json = mock.Mock(return_value={})
        response_value.status_code = 400
        response_value.request = mock.Mock()
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        client.set_iam_policy(request)


@pytest.mark.parametrize(
    "request_type",
    [
        iam_policy_pb2.SetIamPolicyRequest,
        dict,
    ],
)
def test_set_iam_policy_rest_call_success(request_type):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )

    # send a request that will satisfy transcoding
    request_init = {"resource": "projects/sample1/instances/sample2"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = policy_pb2.Policy(
            version=774,
            etag=b"etag_blob",
        )

        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        response_value.status_code = 200
        json_return_value = json_format.MessageToJson(return_value)
        response_value.content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        response = client.set_iam_policy(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, policy_pb2.Policy)
    assert response.version == 774
    assert response.etag == b"etag_blob"


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_set_iam_policy_rest_interceptors(null_interceptor):
    transport = transports.InstanceAdminRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None
        if null_interceptor
        else transports.InstanceAdminRestInterceptor(),
    )
    client = InstanceAdminClient(transport=transport)

    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstanceAdminRestInterceptor, "post_set_iam_policy"
    ) as post, mock.patch.object(
        transports.InstanceAdminRestInterceptor, "post_set_iam_policy_with_metadata"
    ) as post_with_metadata, mock.patch.object(
        transports.InstanceAdminRestInterceptor, "pre_set_iam_policy"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        post_with_metadata.assert_not_called()
        pb_message = iam_policy_pb2.SetIamPolicyRequest()
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = mock.Mock()
        req.return_value.status_code = 200
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        return_value = json_format.MessageToJson(policy_pb2.Policy())
        req.return_value.content = return_value

        request = iam_policy_pb2.SetIamPolicyRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = policy_pb2.Policy()
        post_with_metadata.return_value = policy_pb2.Policy(), metadata

        client.set_iam_policy(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()
        post_with_metadata.assert_called_once()


def test_get_iam_policy_rest_bad_request(
    request_type=iam_policy_pb2.GetIamPolicyRequest,
):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )
    # send a request that will satisfy transcoding
    request_init = {"resource": "projects/sample1/instances/sample2"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        json_return_value = ""
        response_value.json = mock.Mock(return_value={})
        response_value.status_code = 400
        response_value.request = mock.Mock()
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        client.get_iam_policy(request)


@pytest.mark.parametrize(
    "request_type",
    [
        iam_policy_pb2.GetIamPolicyRequest,
        dict,
    ],
)
def test_get_iam_policy_rest_call_success(request_type):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )

    # send a request that will satisfy transcoding
    request_init = {"resource": "projects/sample1/instances/sample2"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = policy_pb2.Policy(
            version=774,
            etag=b"etag_blob",
        )

        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        response_value.status_code = 200
        json_return_value = json_format.MessageToJson(return_value)
        response_value.content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        response = client.get_iam_policy(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, policy_pb2.Policy)
    assert response.version == 774
    assert response.etag == b"etag_blob"


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_get_iam_policy_rest_interceptors(null_interceptor):
    transport = transports.InstanceAdminRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None
        if null_interceptor
        else transports.InstanceAdminRestInterceptor(),
    )
    client = InstanceAdminClient(transport=transport)

    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstanceAdminRestInterceptor, "post_get_iam_policy"
    ) as post, mock.patch.object(
        transports.InstanceAdminRestInterceptor, "post_get_iam_policy_with_metadata"
    ) as post_with_metadata, mock.patch.object(
        transports.InstanceAdminRestInterceptor, "pre_get_iam_policy"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        post_with_metadata.assert_not_called()
        pb_message = iam_policy_pb2.GetIamPolicyRequest()
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = mock.Mock()
        req.return_value.status_code = 200
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        return_value = json_format.MessageToJson(policy_pb2.Policy())
        req.return_value.content = return_value

        request = iam_policy_pb2.GetIamPolicyRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = policy_pb2.Policy()
        post_with_metadata.return_value = policy_pb2.Policy(), metadata

        client.get_iam_policy(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()
        post_with_metadata.assert_called_once()


def test_test_iam_permissions_rest_bad_request(
    request_type=iam_policy_pb2.TestIamPermissionsRequest,
):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )
    # send a request that will satisfy transcoding
    request_init = {"resource": "projects/sample1/instances/sample2"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        json_return_value = ""
        response_value.json = mock.Mock(return_value={})
        response_value.status_code = 400
        response_value.request = mock.Mock()
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        client.test_iam_permissions(request)


@pytest.mark.parametrize(
    "request_type",
    [
        iam_policy_pb2.TestIamPermissionsRequest,
        dict,
    ],
)
def test_test_iam_permissions_rest_call_success(request_type):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )

    # send a request that will satisfy transcoding
    request_init = {"resource": "projects/sample1/instances/sample2"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = iam_policy_pb2.TestIamPermissionsResponse(
            permissions=["permissions_value"],
        )

        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        response_value.status_code = 200
        json_return_value = json_format.MessageToJson(return_value)
        response_value.content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        response = client.test_iam_permissions(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, iam_policy_pb2.TestIamPermissionsResponse)
    assert response.permissions == ["permissions_value"]


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_test_iam_permissions_rest_interceptors(null_interceptor):
    transport = transports.InstanceAdminRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None
        if null_interceptor
        else transports.InstanceAdminRestInterceptor(),
    )
    client = InstanceAdminClient(transport=transport)

    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstanceAdminRestInterceptor, "post_test_iam_permissions"
    ) as post, mock.patch.object(
        transports.InstanceAdminRestInterceptor,
        "post_test_iam_permissions_with_metadata",
    ) as post_with_metadata, mock.patch.object(
        transports.InstanceAdminRestInterceptor, "pre_test_iam_permissions"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        post_with_metadata.assert_not_called()
        pb_message = iam_policy_pb2.TestIamPermissionsRequest()
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = mock.Mock()
        req.return_value.status_code = 200
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        return_value = json_format.MessageToJson(
            iam_policy_pb2.TestIamPermissionsResponse()
        )
        req.return_value.content = return_value

        request = iam_policy_pb2.TestIamPermissionsRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = iam_policy_pb2.TestIamPermissionsResponse()
        post_with_metadata.return_value = (
            iam_policy_pb2.TestIamPermissionsResponse(),
            metadata,
        )

        client.test_iam_permissions(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()
        post_with_metadata.assert_called_once()


def test_get_instance_partition_rest_bad_request(
    request_type=spanner_instance_admin.GetInstancePartitionRequest,
):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )
    # send a request that will satisfy transcoding
    request_init = {
        "name": "projects/sample1/instances/sample2/instancePartitions/sample3"
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        json_return_value = ""
        response_value.json = mock.Mock(return_value={})
        response_value.status_code = 400
        response_value.request = mock.Mock()
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        client.get_instance_partition(request)


@pytest.mark.parametrize(
    "request_type",
    [
        spanner_instance_admin.GetInstancePartitionRequest,
        dict,
    ],
)
def test_get_instance_partition_rest_call_success(request_type):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )

    # send a request that will satisfy transcoding
    request_init = {
        "name": "projects/sample1/instances/sample2/instancePartitions/sample3"
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = spanner_instance_admin.InstancePartition(
            name="name_value",
            config="config_value",
            display_name="display_name_value",
            state=spanner_instance_admin.InstancePartition.State.CREATING,
            referencing_databases=["referencing_databases_value"],
            referencing_backups=["referencing_backups_value"],
            etag="etag_value",
            node_count=1070,
        )

        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        response_value.status_code = 200

        # Convert return value to protobuf type
        return_value = spanner_instance_admin.InstancePartition.pb(return_value)
        json_return_value = json_format.MessageToJson(return_value)
        response_value.content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        response = client.get_instance_partition(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, spanner_instance_admin.InstancePartition)
    assert response.name == "name_value"
    assert response.config == "config_value"
    assert response.display_name == "display_name_value"
    assert response.state == spanner_instance_admin.InstancePartition.State.CREATING
    assert response.referencing_databases == ["referencing_databases_value"]
    assert response.referencing_backups == ["referencing_backups_value"]
    assert response.etag == "etag_value"


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_get_instance_partition_rest_interceptors(null_interceptor):
    transport = transports.InstanceAdminRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None
        if null_interceptor
        else transports.InstanceAdminRestInterceptor(),
    )
    client = InstanceAdminClient(transport=transport)

    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstanceAdminRestInterceptor, "post_get_instance_partition"
    ) as post, mock.patch.object(
        transports.InstanceAdminRestInterceptor,
        "post_get_instance_partition_with_metadata",
    ) as post_with_metadata, mock.patch.object(
        transports.InstanceAdminRestInterceptor, "pre_get_instance_partition"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        post_with_metadata.assert_not_called()
        pb_message = spanner_instance_admin.GetInstancePartitionRequest.pb(
            spanner_instance_admin.GetInstancePartitionRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = mock.Mock()
        req.return_value.status_code = 200
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        return_value = spanner_instance_admin.InstancePartition.to_json(
            spanner_instance_admin.InstancePartition()
        )
        req.return_value.content = return_value

        request = spanner_instance_admin.GetInstancePartitionRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = spanner_instance_admin.InstancePartition()
        post_with_metadata.return_value = (
            spanner_instance_admin.InstancePartition(),
            metadata,
        )

        client.get_instance_partition(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()
        post_with_metadata.assert_called_once()


def test_create_instance_partition_rest_bad_request(
    request_type=spanner_instance_admin.CreateInstancePartitionRequest,
):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )
    # send a request that will satisfy transcoding
    request_init = {"parent": "projects/sample1/instances/sample2"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        json_return_value = ""
        response_value.json = mock.Mock(return_value={})
        response_value.status_code = 400
        response_value.request = mock.Mock()
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        client.create_instance_partition(request)


@pytest.mark.parametrize(
    "request_type",
    [
        spanner_instance_admin.CreateInstancePartitionRequest,
        dict,
    ],
)
def test_create_instance_partition_rest_call_success(request_type):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )

    # send a request that will satisfy transcoding
    request_init = {"parent": "projects/sample1/instances/sample2"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = operations_pb2.Operation(name="operations/spam")

        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        response_value.status_code = 200
        json_return_value = json_format.MessageToJson(return_value)
        response_value.content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        response = client.create_instance_partition(request)

    # Establish that the response is the type that we expect.
    json_return_value = json_format.MessageToJson(return_value)


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_create_instance_partition_rest_interceptors(null_interceptor):
    transport = transports.InstanceAdminRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None
        if null_interceptor
        else transports.InstanceAdminRestInterceptor(),
    )
    client = InstanceAdminClient(transport=transport)

    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        operation.Operation, "_set_result_from_operation"
    ), mock.patch.object(
        transports.InstanceAdminRestInterceptor, "post_create_instance_partition"
    ) as post, mock.patch.object(
        transports.InstanceAdminRestInterceptor,
        "post_create_instance_partition_with_metadata",
    ) as post_with_metadata, mock.patch.object(
        transports.InstanceAdminRestInterceptor, "pre_create_instance_partition"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        post_with_metadata.assert_not_called()
        pb_message = spanner_instance_admin.CreateInstancePartitionRequest.pb(
            spanner_instance_admin.CreateInstancePartitionRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = mock.Mock()
        req.return_value.status_code = 200
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        return_value = json_format.MessageToJson(operations_pb2.Operation())
        req.return_value.content = return_value

        request = spanner_instance_admin.CreateInstancePartitionRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = operations_pb2.Operation()
        post_with_metadata.return_value = operations_pb2.Operation(), metadata

        client.create_instance_partition(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()
        post_with_metadata.assert_called_once()


def test_delete_instance_partition_rest_bad_request(
    request_type=spanner_instance_admin.DeleteInstancePartitionRequest,
):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )
    # send a request that will satisfy transcoding
    request_init = {
        "name": "projects/sample1/instances/sample2/instancePartitions/sample3"
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        json_return_value = ""
        response_value.json = mock.Mock(return_value={})
        response_value.status_code = 400
        response_value.request = mock.Mock()
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        client.delete_instance_partition(request)


@pytest.mark.parametrize(
    "request_type",
    [
        spanner_instance_admin.DeleteInstancePartitionRequest,
        dict,
    ],
)
def test_delete_instance_partition_rest_call_success(request_type):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )

    # send a request that will satisfy transcoding
    request_init = {
        "name": "projects/sample1/instances/sample2/instancePartitions/sample3"
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = None

        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        response_value.status_code = 200
        json_return_value = ""
        response_value.content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        response = client.delete_instance_partition(request)

    # Establish that the response is the type that we expect.
    assert response is None


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_delete_instance_partition_rest_interceptors(null_interceptor):
    transport = transports.InstanceAdminRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None
        if null_interceptor
        else transports.InstanceAdminRestInterceptor(),
    )
    client = InstanceAdminClient(transport=transport)

    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstanceAdminRestInterceptor, "pre_delete_instance_partition"
    ) as pre:
        pre.assert_not_called()
        pb_message = spanner_instance_admin.DeleteInstancePartitionRequest.pb(
            spanner_instance_admin.DeleteInstancePartitionRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = mock.Mock()
        req.return_value.status_code = 200
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

        request = spanner_instance_admin.DeleteInstancePartitionRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata

        client.delete_instance_partition(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()


def test_update_instance_partition_rest_bad_request(
    request_type=spanner_instance_admin.UpdateInstancePartitionRequest,
):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )
    # send a request that will satisfy transcoding
    request_init = {
        "instance_partition": {
            "name": "projects/sample1/instances/sample2/instancePartitions/sample3"
        }
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        json_return_value = ""
        response_value.json = mock.Mock(return_value={})
        response_value.status_code = 400
        response_value.request = mock.Mock()
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        client.update_instance_partition(request)


@pytest.mark.parametrize(
    "request_type",
    [
        spanner_instance_admin.UpdateInstancePartitionRequest,
        dict,
    ],
)
def test_update_instance_partition_rest_call_success(request_type):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )

    # send a request that will satisfy transcoding
    request_init = {
        "instance_partition": {
            "name": "projects/sample1/instances/sample2/instancePartitions/sample3"
        }
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = operations_pb2.Operation(name="operations/spam")

        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        response_value.status_code = 200
        json_return_value = json_format.MessageToJson(return_value)
        response_value.content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        response = client.update_instance_partition(request)

    # Establish that the response is the type that we expect.
    json_return_value = json_format.MessageToJson(return_value)


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_update_instance_partition_rest_interceptors(null_interceptor):
    transport = transports.InstanceAdminRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None
        if null_interceptor
        else transports.InstanceAdminRestInterceptor(),
    )
    client = InstanceAdminClient(transport=transport)

    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        operation.Operation, "_set_result_from_operation"
    ), mock.patch.object(
        transports.InstanceAdminRestInterceptor, "post_update_instance_partition"
    ) as post, mock.patch.object(
        transports.InstanceAdminRestInterceptor,
        "post_update_instance_partition_with_metadata",
    ) as post_with_metadata, mock.patch.object(
        transports.InstanceAdminRestInterceptor, "pre_update_instance_partition"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        post_with_metadata.assert_not_called()
        pb_message = spanner_instance_admin.UpdateInstancePartitionRequest.pb(
            spanner_instance_admin.UpdateInstancePartitionRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = mock.Mock()
        req.return_value.status_code = 200
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        return_value = json_format.MessageToJson(operations_pb2.Operation())
        req.return_value.content = return_value

        request = spanner_instance_admin.UpdateInstancePartitionRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = operations_pb2.Operation()
        post_with_metadata.return_value = operations_pb2.Operation(), metadata

        client.update_instance_partition(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()
        post_with_metadata.assert_called_once()


def test_list_instance_partition_operations_rest_bad_request(
    request_type=spanner_instance_admin.ListInstancePartitionOperationsRequest,
):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )
    # send a request that will satisfy transcoding
    request_init = {"parent": "projects/sample1/instances/sample2"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        json_return_value = ""
        response_value.json = mock.Mock(return_value={})
        response_value.status_code = 400
        response_value.request = mock.Mock()
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        client.list_instance_partition_operations(request)


@pytest.mark.parametrize(
    "request_type",
    [
        spanner_instance_admin.ListInstancePartitionOperationsRequest,
        dict,
    ],
)
def test_list_instance_partition_operations_rest_call_success(request_type):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )

    # send a request that will satisfy transcoding
    request_init = {"parent": "projects/sample1/instances/sample2"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = spanner_instance_admin.ListInstancePartitionOperationsResponse(
            next_page_token="next_page_token_value",
            unreachable_instance_partitions=["unreachable_instance_partitions_value"],
        )

        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        response_value.status_code = 200

        # Convert return value to protobuf type
        return_value = (
            spanner_instance_admin.ListInstancePartitionOperationsResponse.pb(
                return_value
            )
        )
        json_return_value = json_format.MessageToJson(return_value)
        response_value.content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        response = client.list_instance_partition_operations(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, pagers.ListInstancePartitionOperationsPager)
    assert response.next_page_token == "next_page_token_value"
    assert response.unreachable_instance_partitions == [
        "unreachable_instance_partitions_value"
    ]


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_list_instance_partition_operations_rest_interceptors(null_interceptor):
    transport = transports.InstanceAdminRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None
        if null_interceptor
        else transports.InstanceAdminRestInterceptor(),
    )
    client = InstanceAdminClient(transport=transport)

    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstanceAdminRestInterceptor,
        "post_list_instance_partition_operations",
    ) as post, mock.patch.object(
        transports.InstanceAdminRestInterceptor,
        "post_list_instance_partition_operations_with_metadata",
    ) as post_with_metadata, mock.patch.object(
        transports.InstanceAdminRestInterceptor,
        "pre_list_instance_partition_operations",
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        post_with_metadata.assert_not_called()
        pb_message = spanner_instance_admin.ListInstancePartitionOperationsRequest.pb(
            spanner_instance_admin.ListInstancePartitionOperationsRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = mock.Mock()
        req.return_value.status_code = 200
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        return_value = (
            spanner_instance_admin.ListInstancePartitionOperationsResponse.to_json(
                spanner_instance_admin.ListInstancePartitionOperationsResponse()
            )
        )
        req.return_value.content = return_value

        request = spanner_instance_admin.ListInstancePartitionOperationsRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = (
            spanner_instance_admin.ListInstancePartitionOperationsResponse()
        )
        post_with_metadata.return_value = (
            spanner_instance_admin.ListInstancePartitionOperationsResponse(),
            metadata,
        )

        client.list_instance_partition_operations(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()
        post_with_metadata.assert_called_once()


def test_move_instance_rest_bad_request(
    request_type=spanner_instance_admin.MoveInstanceRequest,
):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )
    # send a request that will satisfy transcoding
    request_init = {"name": "projects/sample1/instances/sample2"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        json_return_value = ""
        response_value.json = mock.Mock(return_value={})
        response_value.status_code = 400
        response_value.request = mock.Mock()
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        client.move_instance(request)


@pytest.mark.parametrize(
    "request_type",
    [
        spanner_instance_admin.MoveInstanceRequest,
        dict,
    ],
)
def test_move_instance_rest_call_success(request_type):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )

    # send a request that will satisfy transcoding
    request_init = {"name": "projects/sample1/instances/sample2"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = operations_pb2.Operation(name="operations/spam")

        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        response_value.status_code = 200
        json_return_value = json_format.MessageToJson(return_value)
        response_value.content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        response = client.move_instance(request)

    # Establish that the response is the type that we expect.
    json_return_value = json_format.MessageToJson(return_value)


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_move_instance_rest_interceptors(null_interceptor):
    transport = transports.InstanceAdminRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None
        if null_interceptor
        else transports.InstanceAdminRestInterceptor(),
    )
    client = InstanceAdminClient(transport=transport)

    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        operation.Operation, "_set_result_from_operation"
    ), mock.patch.object(
        transports.InstanceAdminRestInterceptor, "post_move_instance"
    ) as post, mock.patch.object(
        transports.InstanceAdminRestInterceptor, "post_move_instance_with_metadata"
    ) as post_with_metadata, mock.patch.object(
        transports.InstanceAdminRestInterceptor, "pre_move_instance"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        post_with_metadata.assert_not_called()
        pb_message = spanner_instance_admin.MoveInstanceRequest.pb(
            spanner_instance_admin.MoveInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = mock.Mock()
        req.return_value.status_code = 200
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        return_value = json_format.MessageToJson(operations_pb2.Operation())
        req.return_value.content = return_value

        request = spanner_instance_admin.MoveInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = operations_pb2.Operation()
        post_with_metadata.return_value = operations_pb2.Operation(), metadata

        client.move_instance(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()
        post_with_metadata.assert_called_once()


def test_cancel_operation_rest_bad_request(
    request_type=operations_pb2.CancelOperationRequest,
):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type()
    request = json_format.ParseDict(
        {
            "name": "projects/sample1/instances/sample2/databases/sample3/operations/sample4"
        },
        request,
    )

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        json_return_value = ""
        response_value.json = mock.Mock(return_value={})
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        client.cancel_operation(request)


@pytest.mark.parametrize(
    "request_type",
    [
        operations_pb2.CancelOperationRequest,
        dict,
    ],
)
def test_cancel_operation_rest(request_type):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    request_init = {
        "name": "projects/sample1/instances/sample2/databases/sample3/operations/sample4"
    }
    request = request_type(**request_init)
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = None

        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        response_value.status_code = 200
        json_return_value = "{}"
        response_value.content = json_return_value.encode("UTF-8")

        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

        response = client.cancel_operation(request)

    # Establish that the response is the type that we expect.
    assert response is None


def test_delete_operation_rest_bad_request(
    request_type=operations_pb2.DeleteOperationRequest,
):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type()
    request = json_format.ParseDict(
        {
            "name": "projects/sample1/instances/sample2/databases/sample3/operations/sample4"
        },
        request,
    )

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        json_return_value = ""
        response_value.json = mock.Mock(return_value={})
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        client.delete_operation(request)


@pytest.mark.parametrize(
    "request_type",
    [
        operations_pb2.DeleteOperationRequest,
        dict,
    ],
)
def test_delete_operation_rest(request_type):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    request_init = {
        "name": "projects/sample1/instances/sample2/databases/sample3/operations/sample4"
    }
    request = request_type(**request_init)
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = None

        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        response_value.status_code = 200
        json_return_value = "{}"
        response_value.content = json_return_value.encode("UTF-8")

        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

        response = client.delete_operation(request)

    # Establish that the response is the type that we expect.
    assert response is None


def test_get_operation_rest_bad_request(
    request_type=operations_pb2.GetOperationRequest,
):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type()
    request = json_format.ParseDict(
        {
            "name": "projects/sample1/instances/sample2/databases/sample3/operations/sample4"
        },
        request,
    )

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        json_return_value = ""
        response_value.json = mock.Mock(return_value={})
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        client.get_operation(request)


@pytest.mark.parametrize(
    "request_type",
    [
        operations_pb2.GetOperationRequest,
        dict,
    ],
)
def test_get_operation_rest(request_type):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    request_init = {
        "name": "projects/sample1/instances/sample2/databases/sample3/operations/sample4"
    }
    request = request_type(**request_init)
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = operations_pb2.Operation()

        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        response_value.status_code = 200
        json_return_value = json_format.MessageToJson(return_value)
        response_value.content = json_return_value.encode("UTF-8")

        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

        response = client.get_operation(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, operations_pb2.Operation)


def test_list_operations_rest_bad_request(
    request_type=operations_pb2.ListOperationsRequest,
):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type()
    request = json_format.ParseDict(
        {"name": "projects/sample1/instances/sample2/databases/sample3/operations"},
        request,
    )

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        json_return_value = ""
        response_value.json = mock.Mock(return_value={})
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}
        client.list_operations(request)


@pytest.mark.parametrize(
    "request_type",
    [
        operations_pb2.ListOperationsRequest,
        dict,
    ],
)
def test_list_operations_rest(request_type):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    request_init = {
        "name": "projects/sample1/instances/sample2/databases/sample3/operations"
    }
    request = request_type(**request_init)
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = operations_pb2.ListOperationsResponse()

        # Wrap the value into a proper Response obj
        response_value = mock.Mock()
        response_value.status_code = 200
        json_return_value = json_format.MessageToJson(return_value)
        response_value.content = json_return_value.encode("UTF-8")

        req.return_value = response_value
        req.return_value.headers = {"header-1": "value-1", "header-2": "value-2"}

        response = client.list_operations(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, operations_pb2.ListOperationsResponse)


def test_initialize_client_w_rest():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )
    assert client is not None


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
def test_list_instance_configs_empty_call_rest():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_configs), "__call__"
    ) as call:
        client.list_instance_configs(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.ListInstanceConfigsRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
def test_get_instance_config_empty_call_rest():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(
        type(client.transport.get_instance_config), "__call__"
    ) as call:
        client.get_instance_config(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.GetInstanceConfigRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
def test_create_instance_config_empty_call_rest():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(
        type(client.transport.create_instance_config), "__call__"
    ) as call:
        client.create_instance_config(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.CreateInstanceConfigRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
def test_update_instance_config_empty_call_rest():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(
        type(client.transport.update_instance_config), "__call__"
    ) as call:
        client.update_instance_config(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.UpdateInstanceConfigRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
def test_delete_instance_config_empty_call_rest():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(
        type(client.transport.delete_instance_config), "__call__"
    ) as call:
        client.delete_instance_config(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.DeleteInstanceConfigRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
def test_list_instance_config_operations_empty_call_rest():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_config_operations), "__call__"
    ) as call:
        client.list_instance_config_operations(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.ListInstanceConfigOperationsRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
def test_list_instances_empty_call_rest():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(type(client.transport.list_instances), "__call__") as call:
        client.list_instances(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.ListInstancesRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
def test_list_instance_partitions_empty_call_rest():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_partitions), "__call__"
    ) as call:
        client.list_instance_partitions(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.ListInstancePartitionsRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
def test_get_instance_empty_call_rest():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(type(client.transport.get_instance), "__call__") as call:
        client.get_instance(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.GetInstanceRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
def test_create_instance_empty_call_rest():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(type(client.transport.create_instance), "__call__") as call:
        client.create_instance(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.CreateInstanceRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
def test_update_instance_empty_call_rest():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(type(client.transport.update_instance), "__call__") as call:
        client.update_instance(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.UpdateInstanceRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
def test_delete_instance_empty_call_rest():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(type(client.transport.delete_instance), "__call__") as call:
        client.delete_instance(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.DeleteInstanceRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
def test_set_iam_policy_empty_call_rest():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(type(client.transport.set_iam_policy), "__call__") as call:
        client.set_iam_policy(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = iam_policy_pb2.SetIamPolicyRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
def test_get_iam_policy_empty_call_rest():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(type(client.transport.get_iam_policy), "__call__") as call:
        client.get_iam_policy(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = iam_policy_pb2.GetIamPolicyRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
def test_test_iam_permissions_empty_call_rest():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(
        type(client.transport.test_iam_permissions), "__call__"
    ) as call:
        client.test_iam_permissions(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = iam_policy_pb2.TestIamPermissionsRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
def test_get_instance_partition_empty_call_rest():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(
        type(client.transport.get_instance_partition), "__call__"
    ) as call:
        client.get_instance_partition(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.GetInstancePartitionRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
def test_create_instance_partition_empty_call_rest():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(
        type(client.transport.create_instance_partition), "__call__"
    ) as call:
        client.create_instance_partition(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.CreateInstancePartitionRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
def test_delete_instance_partition_empty_call_rest():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(
        type(client.transport.delete_instance_partition), "__call__"
    ) as call:
        client.delete_instance_partition(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.DeleteInstancePartitionRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
def test_update_instance_partition_empty_call_rest():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(
        type(client.transport.update_instance_partition), "__call__"
    ) as call:
        client.update_instance_partition(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.UpdateInstancePartitionRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
def test_list_instance_partition_operations_empty_call_rest():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(
        type(client.transport.list_instance_partition_operations), "__call__"
    ) as call:
        client.list_instance_partition_operations(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.ListInstancePartitionOperationsRequest()

        assert args[0] == request_msg


# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
def test_move_instance_empty_call_rest():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the actual call, and fake the request.
    with mock.patch.object(type(client.transport.move_instance), "__call__") as call:
        client.move_instance(request=None)

        # Establish that the underlying stub method was called.
        call.assert_called()
        _, args, _ = call.mock_calls[0]
        request_msg = spanner_instance_admin.MoveInstanceRequest()

        assert args[0] == request_msg


def test_instance_admin_rest_lro_client():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    transport = client.transport

    # Ensure that we have an api-core operations client.
    assert isinstance(
        transport.operations_client,
        operations_v1.AbstractOperationsClient,
    )

    # Ensure that subsequent calls to the property send the exact same object.
    assert transport.operations_client is transport.operations_client


def test_transport_grpc_default():
    # A client should use the gRPC transport by default.
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )
    assert isinstance(
        client.transport,
        transports.InstanceAdminGrpcTransport,
    )


def test_instance_admin_base_transport_error():
    # Passing both a credentials object and credentials_file should raise an error
    with pytest.raises(core_exceptions.DuplicateCredentialArgs):
        transport = transports.InstanceAdminTransport(
            credentials=ga_credentials.AnonymousCredentials(),
            credentials_file="credentials.json",
        )


def test_instance_admin_base_transport():
    # Instantiate the base transport.
    with mock.patch(
        "google.cloud.spanner_admin_instance_v1.services.instance_admin.transports.InstanceAdminTransport.__init__"
    ) as Transport:
        Transport.return_value = None
        transport = transports.InstanceAdminTransport(
            credentials=ga_credentials.AnonymousCredentials(),
        )

    # Every method on the transport should just blindly
    # raise NotImplementedError.
    methods = (
        "list_instance_configs",
        "get_instance_config",
        "create_instance_config",
        "update_instance_config",
        "delete_instance_config",
        "list_instance_config_operations",
        "list_instances",
        "list_instance_partitions",
        "get_instance",
        "create_instance",
        "update_instance",
        "delete_instance",
        "set_iam_policy",
        "get_iam_policy",
        "test_iam_permissions",
        "get_instance_partition",
        "create_instance_partition",
        "delete_instance_partition",
        "update_instance_partition",
        "list_instance_partition_operations",
        "move_instance",
        "get_operation",
        "cancel_operation",
        "delete_operation",
        "list_operations",
    )
    for method in methods:
        with pytest.raises(NotImplementedError):
            getattr(transport, method)(request=object())

    with pytest.raises(NotImplementedError):
        transport.close()

    # Additionally, the LRO client (a property) should
    # also raise NotImplementedError
    with pytest.raises(NotImplementedError):
        transport.operations_client

    # Catch all for all remaining methods and properties
    remainder = [
        "kind",
    ]
    for r in remainder:
        with pytest.raises(NotImplementedError):
            getattr(transport, r)()


def test_instance_admin_base_transport_with_credentials_file():
    # Instantiate the base transport with a credentials file
    with mock.patch.object(
        google.auth, "load_credentials_from_file", autospec=True
    ) as load_creds, mock.patch(
        "google.cloud.spanner_admin_instance_v1.services.instance_admin.transports.InstanceAdminTransport._prep_wrapped_messages"
    ) as Transport:
        Transport.return_value = None
        load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
        transport = transports.InstanceAdminTransport(
            credentials_file="credentials.json",
            quota_project_id="octopus",
        )
        load_creds.assert_called_once_with(
            "credentials.json",
            scopes=None,
            default_scopes=(
                "https://www.googleapis.com/auth/cloud-platform",
                "https://www.googleapis.com/auth/spanner.admin",
            ),
            quota_project_id="octopus",
        )


def test_instance_admin_base_transport_with_adc():
    # Test the default credentials are used if credentials and credentials_file are None.
    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
        "google.cloud.spanner_admin_instance_v1.services.instance_admin.transports.InstanceAdminTransport._prep_wrapped_messages"
    ) as Transport:
        Transport.return_value = None
        adc.return_value = (ga_credentials.AnonymousCredentials(), None)
        transport = transports.InstanceAdminTransport()
        adc.assert_called_once()


def test_instance_admin_auth_adc():
    # If no credentials are provided, we should use ADC credentials.
    with mock.patch.object(google.auth, "default", autospec=True) as adc:
        adc.return_value = (ga_credentials.AnonymousCredentials(), None)
        InstanceAdminClient()
        adc.assert_called_once_with(
            scopes=None,
            default_scopes=(
                "https://www.googleapis.com/auth/cloud-platform",
                "https://www.googleapis.com/auth/spanner.admin",
            ),
            quota_project_id=None,
        )


@pytest.mark.parametrize(
    "transport_class",
    [
        transports.InstanceAdminGrpcTransport,
        transports.InstanceAdminGrpcAsyncIOTransport,
    ],
)
def test_instance_admin_transport_auth_adc(transport_class):
    # If credentials and host are not provided, the transport class should use
    # ADC credentials.
    with mock.patch.object(google.auth, "default", autospec=True) as adc:
        adc.return_value = (ga_credentials.AnonymousCredentials(), None)
        transport_class(quota_project_id="octopus", scopes=["1", "2"])
        adc.assert_called_once_with(
            scopes=["1", "2"],
            default_scopes=(
                "https://www.googleapis.com/auth/cloud-platform",
                "https://www.googleapis.com/auth/spanner.admin",
            ),
            quota_project_id="octopus",
        )


@pytest.mark.parametrize(
    "transport_class",
    [
        transports.InstanceAdminGrpcTransport,
        transports.InstanceAdminGrpcAsyncIOTransport,
        transports.InstanceAdminRestTransport,
    ],
)
def test_instance_admin_transport_auth_gdch_credentials(transport_class):
    host = "https://language.com"
    api_audience_tests = [None, "https://language2.com"]
    api_audience_expect = [host, "https://language2.com"]
    for t, e in zip(api_audience_tests, api_audience_expect):
        with mock.patch.object(google.auth, "default", autospec=True) as adc:
            gdch_mock = mock.MagicMock()
            type(gdch_mock).with_gdch_audience = mock.PropertyMock(
                return_value=gdch_mock
            )
            adc.return_value = (gdch_mock, None)
            transport_class(host=host, api_audience=t)
            gdch_mock.with_gdch_audience.assert_called_once_with(e)


@pytest.mark.parametrize(
    "transport_class,grpc_helpers",
    [
        (transports.InstanceAdminGrpcTransport, grpc_helpers),
        (transports.InstanceAdminGrpcAsyncIOTransport, grpc_helpers_async),
    ],
)
def test_instance_admin_transport_create_channel(transport_class, grpc_helpers):
    # If credentials and host are not provided, the transport class should use
    # ADC credentials.
    with mock.patch.object(
        google.auth, "default", autospec=True
    ) as adc, mock.patch.object(
        grpc_helpers, "create_channel", autospec=True
    ) as create_channel:
        creds = ga_credentials.AnonymousCredentials()
        adc.return_value = (creds, None)
        transport_class(quota_project_id="octopus", scopes=["1", "2"])

        create_channel.assert_called_with(
            "spanner.googleapis.com:443",
            credentials=creds,
            credentials_file=None,
            quota_project_id="octopus",
            default_scopes=(
                "https://www.googleapis.com/auth/cloud-platform",
                "https://www.googleapis.com/auth/spanner.admin",
            ),
            scopes=["1", "2"],
            default_host="spanner.googleapis.com",
            ssl_credentials=None,
            options=[
                ("grpc.max_send_message_length", -1),
                ("grpc.max_receive_message_length", -1),
                ("grpc.keepalive_time_ms", 120000),
            ],
        )


@pytest.mark.parametrize(
    "transport_class",
    [
        transports.InstanceAdminGrpcTransport,
        transports.InstanceAdminGrpcAsyncIOTransport,
    ],
)
def test_instance_admin_grpc_transport_client_cert_source_for_mtls(transport_class):
    cred = ga_credentials.AnonymousCredentials()

    # Check ssl_channel_credentials is used if provided.
    with mock.patch.object(transport_class, "create_channel") as mock_create_channel:
        mock_ssl_channel_creds = mock.Mock()
        transport_class(
            host="squid.clam.whelk",
            credentials=cred,
            ssl_channel_credentials=mock_ssl_channel_creds,
        )
        mock_create_channel.assert_called_once_with(
            "squid.clam.whelk:443",
            credentials=cred,
            credentials_file=None,
            scopes=None,
            ssl_credentials=mock_ssl_channel_creds,
            quota_project_id=None,
            options=[
                ("grpc.max_send_message_length", -1),
                ("grpc.max_receive_message_length", -1),
                ("grpc.keepalive_time_ms", 120000),
            ],
        )

    # Check if ssl_channel_credentials is not provided, then client_cert_source_for_mtls
    # is used.
    with mock.patch.object(transport_class, "create_channel", return_value=mock.Mock()):
        with mock.patch("grpc.ssl_channel_credentials") as mock_ssl_cred:
            transport_class(
                credentials=cred,
                client_cert_source_for_mtls=client_cert_source_callback,
            )
            expected_cert, expected_key = client_cert_source_callback()
            mock_ssl_cred.assert_called_once_with(
                certificate_chain=expected_cert, private_key=expected_key
            )


def test_instance_admin_http_transport_client_cert_source_for_mtls():
    cred = ga_credentials.AnonymousCredentials()
    with mock.patch(
        "google.auth.transport.requests.AuthorizedSession.configure_mtls_channel"
    ) as mock_configure_mtls_channel:
        transports.InstanceAdminRestTransport(
            credentials=cred, client_cert_source_for_mtls=client_cert_source_callback
        )
        mock_configure_mtls_channel.assert_called_once_with(client_cert_source_callback)


@pytest.mark.parametrize(
    "transport_name",
    [
        "grpc",
        "grpc_asyncio",
        "rest",
    ],
)
def test_instance_admin_host_no_port(transport_name):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        client_options=client_options.ClientOptions(
            api_endpoint="spanner.googleapis.com"
        ),
        transport=transport_name,
    )
    assert client.transport._host == (
        "spanner.googleapis.com:443"
        if transport_name in ["grpc", "grpc_asyncio"]
        else "https://spanner.googleapis.com"
    )


@pytest.mark.parametrize(
    "transport_name",
    [
        "grpc",
        "grpc_asyncio",
        "rest",
    ],
)
def test_instance_admin_host_with_port(transport_name):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        client_options=client_options.ClientOptions(
            api_endpoint="spanner.googleapis.com:8000"
        ),
        transport=transport_name,
    )
    assert client.transport._host == (
        "spanner.googleapis.com:8000"
        if transport_name in ["grpc", "grpc_asyncio"]
        else "https://spanner.googleapis.com:8000"
    )


@pytest.mark.parametrize(
    "transport_name",
    [
        "rest",
    ],
)
def test_instance_admin_client_transport_session_collision(transport_name):
    creds1 = ga_credentials.AnonymousCredentials()
    creds2 = ga_credentials.AnonymousCredentials()
    client1 = InstanceAdminClient(
        credentials=creds1,
        transport=transport_name,
    )
    client2 = InstanceAdminClient(
        credentials=creds2,
        transport=transport_name,
    )
    session1 = client1.transport.list_instance_configs._session
    session2 = client2.transport.list_instance_configs._session
    assert session1 != session2
    session1 = client1.transport.get_instance_config._session
    session2 = client2.transport.get_instance_config._session
    assert session1 != session2
    session1 = client1.transport.create_instance_config._session
    session2 = client2.transport.create_instance_config._session
    assert session1 != session2
    session1 = client1.transport.update_instance_config._session
    session2 = client2.transport.update_instance_config._session
    assert session1 != session2
    session1 = client1.transport.delete_instance_config._session
    session2 = client2.transport.delete_instance_config._session
    assert session1 != session2
    session1 = client1.transport.list_instance_config_operations._session
    session2 = client2.transport.list_instance_config_operations._session
    assert session1 != session2
    session1 = client1.transport.list_instances._session
    session2 = client2.transport.list_instances._session
    assert session1 != session2
    session1 = client1.transport.list_instance_partitions._session
    session2 = client2.transport.list_instance_partitions._session
    assert session1 != session2
    session1 = client1.transport.get_instance._session
    session2 = client2.transport.get_instance._session
    assert session1 != session2
    session1 = client1.transport.create_instance._session
    session2 = client2.transport.create_instance._session
    assert session1 != session2
    session1 = client1.transport.update_instance._session
    session2 = client2.transport.update_instance._session
    assert session1 != session2
    session1 = client1.transport.delete_instance._session
    session2 = client2.transport.delete_instance._session
    assert session1 != session2
    session1 = client1.transport.set_iam_policy._session
    session2 = client2.transport.set_iam_policy._session
    assert session1 != session2
    session1 = client1.transport.get_iam_policy._session
    session2 = client2.transport.get_iam_policy._session
    assert session1 != session2
    session1 = client1.transport.test_iam_permissions._session
    session2 = client2.transport.test_iam_permissions._session
    assert session1 != session2
    session1 = client1.transport.get_instance_partition._session
    session2 = client2.transport.get_instance_partition._session
    assert session1 != session2
    session1 = client1.transport.create_instance_partition._session
    session2 = client2.transport.create_instance_partition._session
    assert session1 != session2
    session1 = client1.transport.delete_instance_partition._session
    session2 = client2.transport.delete_instance_partition._session
    assert session1 != session2
    session1 = client1.transport.update_instance_partition._session
    session2 = client2.transport.update_instance_partition._session
    assert session1 != session2
    session1 = client1.transport.list_instance_partition_operations._session
    session2 = client2.transport.list_instance_partition_operations._session
    assert session1 != session2
    session1 = client1.transport.move_instance._session
    session2 = client2.transport.move_instance._session
    assert session1 != session2


def test_instance_admin_grpc_transport_channel():
    channel = grpc.secure_channel("http://localhost/", grpc.local_channel_credentials())

    # Check that channel is used if provided.
    transport = transports.InstanceAdminGrpcTransport(
        host="squid.clam.whelk",
        channel=channel,
    )
    assert transport.grpc_channel == channel
    assert transport._host == "squid.clam.whelk:443"
    assert transport._ssl_channel_credentials == None


def test_instance_admin_grpc_asyncio_transport_channel():
    channel = aio.secure_channel("http://localhost/", grpc.local_channel_credentials())

    # Check that channel is used if provided.
    transport = transports.InstanceAdminGrpcAsyncIOTransport(
        host="squid.clam.whelk",
        channel=channel,
    )
    assert transport.grpc_channel == channel
    assert transport._host == "squid.clam.whelk:443"
    assert transport._ssl_channel_credentials == None


# Remove this test when deprecated arguments (api_mtls_endpoint, client_cert_source) are
# removed from grpc/grpc_asyncio transport constructor.
@pytest.mark.filterwarnings("ignore::FutureWarning")
@pytest.mark.parametrize(
    "transport_class",
    [
        transports.InstanceAdminGrpcTransport,
        transports.InstanceAdminGrpcAsyncIOTransport,
    ],
)
def test_instance_admin_transport_channel_mtls_with_client_cert_source(transport_class):
    with mock.patch(
        "grpc.ssl_channel_credentials", autospec=True
    ) as grpc_ssl_channel_cred:
        with mock.patch.object(
            transport_class, "create_channel"
        ) as grpc_create_channel:
            mock_ssl_cred = mock.Mock()
            grpc_ssl_channel_cred.return_value = mock_ssl_cred

            mock_grpc_channel = mock.Mock()
            grpc_create_channel.return_value = mock_grpc_channel

            cred = ga_credentials.AnonymousCredentials()
            with pytest.warns(DeprecationWarning):
                with mock.patch.object(google.auth, "default") as adc:
                    adc.return_value = (cred, None)
                    transport = transport_class(
                        host="squid.clam.whelk",
                        api_mtls_endpoint="mtls.squid.clam.whelk",
                        client_cert_source=client_cert_source_callback,
                    )
                    adc.assert_called_once()

            grpc_ssl_channel_cred.assert_called_once_with(
                certificate_chain=b"cert bytes", private_key=b"key bytes"
            )
            grpc_create_channel.assert_called_once_with(
                "mtls.squid.clam.whelk:443",
                credentials=cred,
                credentials_file=None,
                scopes=None,
                ssl_credentials=mock_ssl_cred,
                quota_project_id=None,
                options=[
                    ("grpc.max_send_message_length", -1),
                    ("grpc.max_receive_message_length", -1),
                    ("grpc.keepalive_time_ms", 120000),
                ],
            )
            assert transport.grpc_channel == mock_grpc_channel
            assert transport._ssl_channel_credentials == mock_ssl_cred


# Remove this test when deprecated arguments (api_mtls_endpoint, client_cert_source) are
# removed from grpc/grpc_asyncio transport constructor.
@pytest.mark.parametrize(
    "transport_class",
    [
        transports.InstanceAdminGrpcTransport,
        transports.InstanceAdminGrpcAsyncIOTransport,
    ],
)
def test_instance_admin_transport_channel_mtls_with_adc(transport_class):
    mock_ssl_cred = mock.Mock()
    with mock.patch.multiple(
        "google.auth.transport.grpc.SslCredentials",
        __init__=mock.Mock(return_value=None),
        ssl_credentials=mock.PropertyMock(return_value=mock_ssl_cred),
    ):
        with mock.patch.object(
            transport_class, "create_channel"
        ) as grpc_create_channel:
            mock_grpc_channel = mock.Mock()
            grpc_create_channel.return_value = mock_grpc_channel
            mock_cred = mock.Mock()

            with pytest.warns(DeprecationWarning):
                transport = transport_class(
                    host="squid.clam.whelk",
                    credentials=mock_cred,
                    api_mtls_endpoint="mtls.squid.clam.whelk",
                    client_cert_source=None,
                )

            grpc_create_channel.assert_called_once_with(
                "mtls.squid.clam.whelk:443",
                credentials=mock_cred,
                credentials_file=None,
                scopes=None,
                ssl_credentials=mock_ssl_cred,
                quota_project_id=None,
                options=[
                    ("grpc.max_send_message_length", -1),
                    ("grpc.max_receive_message_length", -1),
                    ("grpc.keepalive_time_ms", 120000),
                ],
            )
            assert transport.grpc_channel == mock_grpc_channel


def test_instance_admin_grpc_lro_client():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="grpc",
    )
    transport = client.transport

    # Ensure that we have a api-core operations client.
    assert isinstance(
        transport.operations_client,
        operations_v1.OperationsClient,
    )

    # Ensure that subsequent calls to the property send the exact same object.
    assert transport.operations_client is transport.operations_client


def test_instance_admin_grpc_lro_async_client():
    client = InstanceAdminAsyncClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="grpc_asyncio",
    )
    transport = client.transport

    # Ensure that we have a api-core operations client.
    assert isinstance(
        transport.operations_client,
        operations_v1.OperationsAsyncClient,
    )

    # Ensure that subsequent calls to the property send the exact same object.
    assert transport.operations_client is transport.operations_client


def test_instance_path():
    project = "squid"
    instance = "clam"
    expected = "projects/{project}/instances/{instance}".format(
        project=project,
        instance=instance,
    )
    actual = InstanceAdminClient.instance_path(project, instance)
    assert expected == actual


def test_parse_instance_path():
    expected = {
        "project": "whelk",
        "instance": "octopus",
    }
    path = InstanceAdminClient.instance_path(**expected)

    # Check that the path construction is reversible.
    actual = InstanceAdminClient.parse_instance_path(path)
    assert expected == actual


def test_instance_config_path():
    project = "oyster"
    instance_config = "nudibranch"
    expected = "projects/{project}/instanceConfigs/{instance_config}".format(
        project=project,
        instance_config=instance_config,
    )
    actual = InstanceAdminClient.instance_config_path(project, instance_config)
    assert expected == actual


def test_parse_instance_config_path():
    expected = {
        "project": "cuttlefish",
        "instance_config": "mussel",
    }
    path = InstanceAdminClient.instance_config_path(**expected)

    # Check that the path construction is reversible.
    actual = InstanceAdminClient.parse_instance_config_path(path)
    assert expected == actual


def test_instance_partition_path():
    project = "winkle"
    instance = "nautilus"
    instance_partition = "scallop"
    expected = "projects/{project}/instances/{instance}/instancePartitions/{instance_partition}".format(
        project=project,
        instance=instance,
        instance_partition=instance_partition,
    )
    actual = InstanceAdminClient.instance_partition_path(
        project, instance, instance_partition
    )
    assert expected == actual


def test_parse_instance_partition_path():
    expected = {
        "project": "abalone",
        "instance": "squid",
        "instance_partition": "clam",
    }
    path = InstanceAdminClient.instance_partition_path(**expected)

    # Check that the path construction is reversible.
    actual = InstanceAdminClient.parse_instance_partition_path(path)
    assert expected == actual


def test_common_billing_account_path():
    billing_account = "whelk"
    expected = "billingAccounts/{billing_account}".format(
        billing_account=billing_account,
    )
    actual = InstanceAdminClient.common_billing_account_path(billing_account)
    assert expected == actual


def test_parse_common_billing_account_path():
    expected = {
        "billing_account": "octopus",
    }
    path = InstanceAdminClient.common_billing_account_path(**expected)

    # Check that the path construction is reversible.
    actual = InstanceAdminClient.parse_common_billing_account_path(path)
    assert expected == actual


def test_common_folder_path():
    folder = "oyster"
    expected = "folders/{folder}".format(
        folder=folder,
    )
    actual = InstanceAdminClient.common_folder_path(folder)
    assert expected == actual


def test_parse_common_folder_path():
    expected = {
        "folder": "nudibranch",
    }
    path = InstanceAdminClient.common_folder_path(**expected)

    # Check that the path construction is reversible.
    actual = InstanceAdminClient.parse_common_folder_path(path)
    assert expected == actual


def test_common_organization_path():
    organization = "cuttlefish"
    expected = "organizations/{organization}".format(
        organization=organization,
    )
    actual = InstanceAdminClient.common_organization_path(organization)
    assert expected == actual


def test_parse_common_organization_path():
    expected = {
        "organization": "mussel",
    }
    path = InstanceAdminClient.common_organization_path(**expected)

    # Check that the path construction is reversible.
    actual = InstanceAdminClient.parse_common_organization_path(path)
    assert expected == actual


def test_common_project_path():
    project = "winkle"
    expected = "projects/{project}".format(
        project=project,
    )
    actual = InstanceAdminClient.common_project_path(project)
    assert expected == actual


def test_parse_common_project_path():
    expected = {
        "project": "nautilus",
    }
    path = InstanceAdminClient.common_project_path(**expected)

    # Check that the path construction is reversible.
    actual = InstanceAdminClient.parse_common_project_path(path)
    assert expected == actual


def test_common_location_path():
    project = "scallop"
    location = "abalone"
    expected = "projects/{project}/locations/{location}".format(
        project=project,
        location=location,
    )
    actual = InstanceAdminClient.common_location_path(project, location)
    assert expected == actual


def test_parse_common_location_path():
    expected = {
        "project": "squid",
        "location": "clam",
    }
    path = InstanceAdminClient.common_location_path(**expected)

    # Check that the path construction is reversible.
    actual = InstanceAdminClient.parse_common_location_path(path)
    assert expected == actual


def test_client_with_default_client_info():
    client_info = gapic_v1.client_info.ClientInfo()

    with mock.patch.object(
        transports.InstanceAdminTransport, "_prep_wrapped_messages"
    ) as prep:
        client = InstanceAdminClient(
            credentials=ga_credentials.AnonymousCredentials(),
            client_info=client_info,
        )
        prep.assert_called_once_with(client_info)

    with mock.patch.object(
        transports.InstanceAdminTransport, "_prep_wrapped_messages"
    ) as prep:
        transport_class = InstanceAdminClient.get_transport_class()
        transport = transport_class(
            credentials=ga_credentials.AnonymousCredentials(),
            client_info=client_info,
        )
        prep.assert_called_once_with(client_info)


def test_delete_operation(transport: str = "grpc"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = operations_pb2.DeleteOperationRequest()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.delete_operation), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = None
        response = client.delete_operation(request)
        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert response is None


@pytest.mark.asyncio
async def test_delete_operation_async(transport: str = "grpc_asyncio"):
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = operations_pb2.DeleteOperationRequest()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.delete_operation), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(None)
        response = await client.delete_operation(request)
        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert response is None


def test_delete_operation_field_headers():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = operations_pb2.DeleteOperationRequest()
    request.name = "locations"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.delete_operation), "__call__") as call:
        call.return_value = None

        client.delete_operation(request)
        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "name=locations",
    ) in kw["metadata"]


@pytest.mark.asyncio
async def test_delete_operation_field_headers_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = operations_pb2.DeleteOperationRequest()
    request.name = "locations"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.delete_operation), "__call__") as call:
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(None)
        await client.delete_operation(request)
        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "name=locations",
    ) in kw["metadata"]


def test_delete_operation_from_dict():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )
    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.delete_operation), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = None

        response = client.delete_operation(
            request={
                "name": "locations",
            }
        )
        call.assert_called()


@pytest.mark.asyncio
async def test_delete_operation_from_dict_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )
    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.delete_operation), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(None)
        response = await client.delete_operation(
            request={
                "name": "locations",
            }
        )
        call.assert_called()


def test_delete_operation_flattened():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )
    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.delete_operation), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = None

        client.delete_operation()
        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        assert args[0] == operations_pb2.DeleteOperationRequest()


@pytest.mark.asyncio
async def test_delete_operation_flattened_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )
    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.delete_operation), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(None)
        await client.delete_operation()
        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        assert args[0] == operations_pb2.DeleteOperationRequest()


def test_cancel_operation(transport: str = "grpc"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = operations_pb2.CancelOperationRequest()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.cancel_operation), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = None
        response = client.cancel_operation(request)
        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert response is None


@pytest.mark.asyncio
async def test_cancel_operation_async(transport: str = "grpc_asyncio"):
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = operations_pb2.CancelOperationRequest()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.cancel_operation), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(None)
        response = await client.cancel_operation(request)
        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert response is None


def test_cancel_operation_field_headers():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = operations_pb2.CancelOperationRequest()
    request.name = "locations"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.cancel_operation), "__call__") as call:
        call.return_value = None

        client.cancel_operation(request)
        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "name=locations",
    ) in kw["metadata"]


@pytest.mark.asyncio
async def test_cancel_operation_field_headers_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = operations_pb2.CancelOperationRequest()
    request.name = "locations"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.cancel_operation), "__call__") as call:
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(None)
        await client.cancel_operation(request)
        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "name=locations",
    ) in kw["metadata"]


def test_cancel_operation_from_dict():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )
    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.cancel_operation), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = None

        response = client.cancel_operation(
            request={
                "name": "locations",
            }
        )
        call.assert_called()


@pytest.mark.asyncio
async def test_cancel_operation_from_dict_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )
    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.cancel_operation), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(None)
        response = await client.cancel_operation(
            request={
                "name": "locations",
            }
        )
        call.assert_called()


def test_cancel_operation_flattened():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )
    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.cancel_operation), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = None

        client.cancel_operation()
        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        assert args[0] == operations_pb2.CancelOperationRequest()


@pytest.mark.asyncio
async def test_cancel_operation_flattened_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )
    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.cancel_operation), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(None)
        await client.cancel_operation()
        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        assert args[0] == operations_pb2.CancelOperationRequest()


def test_get_operation(transport: str = "grpc"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = operations_pb2.GetOperationRequest()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.get_operation), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = operations_pb2.Operation()
        response = client.get_operation(request)
        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert isinstance(response, operations_pb2.Operation)


@pytest.mark.asyncio
async def test_get_operation_async(transport: str = "grpc_asyncio"):
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = operations_pb2.GetOperationRequest()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.get_operation), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            operations_pb2.Operation()
        )
        response = await client.get_operation(request)
        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert isinstance(response, operations_pb2.Operation)


def test_get_operation_field_headers():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = operations_pb2.GetOperationRequest()
    request.name = "locations"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.get_operation), "__call__") as call:
        call.return_value = operations_pb2.Operation()

        client.get_operation(request)
        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "name=locations",
    ) in kw["metadata"]


@pytest.mark.asyncio
async def test_get_operation_field_headers_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = operations_pb2.GetOperationRequest()
    request.name = "locations"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.get_operation), "__call__") as call:
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            operations_pb2.Operation()
        )
        await client.get_operation(request)
        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "name=locations",
    ) in kw["metadata"]


def test_get_operation_from_dict():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )
    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.get_operation), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = operations_pb2.Operation()

        response = client.get_operation(
            request={
                "name": "locations",
            }
        )
        call.assert_called()


@pytest.mark.asyncio
async def test_get_operation_from_dict_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )
    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.get_operation), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            operations_pb2.Operation()
        )
        response = await client.get_operation(
            request={
                "name": "locations",
            }
        )
        call.assert_called()


def test_get_operation_flattened():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )
    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.get_operation), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = operations_pb2.Operation()

        client.get_operation()
        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        assert args[0] == operations_pb2.GetOperationRequest()


@pytest.mark.asyncio
async def test_get_operation_flattened_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )
    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.get_operation), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            operations_pb2.Operation()
        )
        await client.get_operation()
        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        assert args[0] == operations_pb2.GetOperationRequest()


def test_list_operations(transport: str = "grpc"):
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = operations_pb2.ListOperationsRequest()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.list_operations), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = operations_pb2.ListOperationsResponse()
        response = client.list_operations(request)
        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert isinstance(response, operations_pb2.ListOperationsResponse)


@pytest.mark.asyncio
async def test_list_operations_async(transport: str = "grpc_asyncio"):
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
        transport=transport,
    )

    # Everything is optional in proto3 as far as the runtime is concerned,
    # and we are mocking out the actual API, so just send an empty request.
    request = operations_pb2.ListOperationsRequest()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.list_operations), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            operations_pb2.ListOperationsResponse()
        )
        response = await client.list_operations(request)
        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the response is the type that we expect.
    assert isinstance(response, operations_pb2.ListOperationsResponse)


def test_list_operations_field_headers():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = operations_pb2.ListOperationsRequest()
    request.name = "locations"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.list_operations), "__call__") as call:
        call.return_value = operations_pb2.ListOperationsResponse()

        client.list_operations(request)
        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "name=locations",
    ) in kw["metadata"]


@pytest.mark.asyncio
async def test_list_operations_field_headers_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )

    # Any value that is part of the HTTP/1.1 URI should be sent as
    # a field header. Set these to a non-empty value.
    request = operations_pb2.ListOperationsRequest()
    request.name = "locations"

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.list_operations), "__call__") as call:
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            operations_pb2.ListOperationsResponse()
        )
        await client.list_operations(request)
        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        assert args[0] == request

    # Establish that the field header was sent.
    _, _, kw = call.mock_calls[0]
    assert (
        "x-goog-request-params",
        "name=locations",
    ) in kw["metadata"]


def test_list_operations_from_dict():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )
    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.list_operations), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = operations_pb2.ListOperationsResponse()

        response = client.list_operations(
            request={
                "name": "locations",
            }
        )
        call.assert_called()


@pytest.mark.asyncio
async def test_list_operations_from_dict_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )
    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.list_operations), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            operations_pb2.ListOperationsResponse()
        )
        response = await client.list_operations(
            request={
                "name": "locations",
            }
        )
        call.assert_called()


def test_list_operations_flattened():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(),
    )
    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.list_operations), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = operations_pb2.ListOperationsResponse()

        client.list_operations()
        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        assert args[0] == operations_pb2.ListOperationsRequest()


@pytest.mark.asyncio
async def test_list_operations_flattened_async():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(),
    )
    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.list_operations), "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            operations_pb2.ListOperationsResponse()
        )
        await client.list_operations()
        # Establish that the underlying gRPC stub method was called.
        assert len(call.mock_calls) == 1
        _, args, _ = call.mock_calls[0]
        assert args[0] == operations_pb2.ListOperationsRequest()


def test_transport_close_grpc():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="grpc"
    )
    with mock.patch.object(
        type(getattr(client.transport, "_grpc_channel")), "close"
    ) as close:
        with client:
            close.assert_not_called()
        close.assert_called_once()


@pytest.mark.asyncio
async def test_transport_close_grpc_asyncio():
    client = InstanceAdminAsyncClient(
        credentials=async_anonymous_credentials(), transport="grpc_asyncio"
    )
    with mock.patch.object(
        type(getattr(client.transport, "_grpc_channel")), "close"
    ) as close:
        async with client:
            close.assert_not_called()
        close.assert_called_once()


def test_transport_close_rest():
    client = InstanceAdminClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )
    with mock.patch.object(
        type(getattr(client.transport, "_session")), "close"
    ) as close:
        with client:
            close.assert_not_called()
        close.assert_called_once()


def test_client_ctx():
    transports = [
        "rest",
        "grpc",
    ]
    for transport in transports:
        client = InstanceAdminClient(
            credentials=ga_credentials.AnonymousCredentials(), transport=transport
        )
        # Test client calls underlying transport.
        with mock.patch.object(type(client.transport), "close") as close:
            close.assert_not_called()
            with client:
                pass
            close.assert_called()


@pytest.mark.parametrize(
    "client_class,transport_class",
    [
        (InstanceAdminClient, transports.InstanceAdminGrpcTransport),
        (InstanceAdminAsyncClient, transports.InstanceAdminGrpcAsyncIOTransport),
    ],
)
def test_api_key_credentials(client_class, transport_class):
    with mock.patch.object(
        google.auth._default, "get_api_key_credentials", create=True
    ) as get_api_key_credentials:
        mock_cred = mock.Mock()
        get_api_key_credentials.return_value = mock_cred
        options = client_options.ClientOptions()
        options.api_key = "api_key"
        with mock.patch.object(transport_class, "__init__") as patched:
            patched.return_value = None
            client = client_class(client_options=options)
            patched.assert_called_once_with(
                credentials=mock_cred,
                credentials_file=None,
                host=client._DEFAULT_ENDPOINT_TEMPLATE.format(
                    UNIVERSE_DOMAIN=client._DEFAULT_UNIVERSE
                ),
                scopes=None,
                client_cert_source_for_mtls=None,
                quota_project_id=None,
                client_info=transports.base.DEFAULT_CLIENT_INFO,
                always_use_jwt_access=True,
                api_audience=None,
            )
