def test_suggest_queries(
    transport: str = "grpc", request_type=auto_suggestion_service.SuggestQueriesRequest
):
    client = AutoSuggestionServiceClient(
        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 = request_type()

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

        response = client.suggest_queries(request)

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

        assert args[0] == auto_suggestion_service.SuggestQueriesRequest()

    # Establish that the response is the type that we expect.

    assert isinstance(response, auto_suggestion_service.SuggestQueriesResponse)
def test_suggest_queries_field_headers():
    client = AutoSuggestionServiceClient(
        credentials=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 = auto_suggestion_service.SuggestQueriesRequest()
    request.parent = "parent/value"

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

        client.suggest_queries(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"]