def test_update_parameters_flattened_error():
    client = CloudMemcacheClient(credentials=credentials.AnonymousCredentials())

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.update_parameters(
            cloud_memcache.UpdateParametersRequest(),
            name="name_value",
            update_mask=field_mask.FieldMask(paths=["paths_value"]),
            parameters=cloud_memcache.MemcacheParameters(id="id_value"),
        )
def test_update_parameters_flattened():
    client = CloudMemcacheClient(credentials=credentials.AnonymousCredentials())

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(
        type(client._transport.update_parameters), "__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.
        response = client.update_parameters(
            name="name_value",
            update_mask=field_mask.FieldMask(paths=["paths_value"]),
            parameters=cloud_memcache.MemcacheParameters(id="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]
        assert args[0].name == "name_value"
        assert args[0].update_mask == field_mask.FieldMask(paths=["paths_value"])
        assert args[0].parameters == cloud_memcache.MemcacheParameters(id="id_value")
def test_update_parameters(transport: str = "grpc"):
    client = CloudMemcacheClient(
        credentials=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 = cloud_memcache.UpdateParametersRequest()

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

        response = client.update_parameters(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, future.Future)