def test_region_instances_base_transport_error():
    # Passing both a credentials object and credentials_file should raise an error
    with pytest.raises(core_exceptions.DuplicateCredentialArgs):
        transport = transports.RegionInstancesTransport(
            credentials=ga_credentials.AnonymousCredentials(),
            credentials_file="credentials.json",
        )
def test_region_instances_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.compute_v1.services.region_instances.transports.RegionInstancesTransport._prep_wrapped_messages"
    ) as Transport:
        Transport.return_value = None
        adc.return_value = (ga_credentials.AnonymousCredentials(), None)
        transport = transports.RegionInstancesTransport()
        adc.assert_called_once()
def test_region_instances_base_transport():
    # Instantiate the base transport.
    with mock.patch(
            "google.cloud.compute_v1.services.region_instances.transports.RegionInstancesTransport.__init__"
    ) as Transport:
        Transport.return_value = None
        transport = transports.RegionInstancesTransport(
            credentials=ga_credentials.AnonymousCredentials(), )

    # Every method on the transport should just blindly
    # raise NotImplementedError.
    methods = ("bulk_insert", )
    for method in methods:
        with pytest.raises(NotImplementedError):
            getattr(transport, method)(request=object())
def test_region_instances_base_transport_with_credentials_file_old_google_auth(
):
    # 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.compute_v1.services.region_instances.transports.RegionInstancesTransport._prep_wrapped_messages"
    ) as Transport:
        Transport.return_value = None
        load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
        transport = transports.RegionInstancesTransport(
            credentials_file="credentials.json",
            quota_project_id="octopus",
        )
        load_creds.assert_called_once_with(
            "credentials.json",
            scopes=(
                "https://www.googleapis.com/auth/compute",
                "https://www.googleapis.com/auth/cloud-platform",
            ),
            quota_project_id="octopus",
        )