def test_credentials_transport_error():
# It is an error to provide credentials and a transport instance.
transport = transports.AssetServiceGrpcTransport(
credentials=credentials.AnonymousCredentials(), )
with pytest.raises(ValueError):
client = AssetServiceClient(
credentials=credentials.AnonymousCredentials(),
transport=transport,
)
# It is an error to provide a credentials file and a transport instance.
transport = transports.AssetServiceGrpcTransport(
credentials=credentials.AnonymousCredentials(), )
with pytest.raises(ValueError):
client = AssetServiceClient(
client_options={"credentials_file": "credentials.json"},
transport=transport,
)
# It is an error to provide scopes and a transport instance.
transport = transports.AssetServiceGrpcTransport(
credentials=credentials.AnonymousCredentials(), )
with pytest.raises(ValueError):
client = AssetServiceClient(
client_options={"scopes": ["1", "2"]},
transport=transport,
)
def test_asset_service_grpc_transport_channel_mtls_with_adc(
grpc_create_channel, api_mtls_endpoint):
# Check that if channel and client_cert_source are None, but api_mtls_endpoint
# is provided, then a mTLS channel will be created with SSL ADC.
mock_grpc_channel = mock.Mock()
grpc_create_channel.return_value = mock_grpc_channel
# Mock google.auth.transport.grpc.SslCredentials 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),
):
mock_cred = mock.Mock()
transport = transports.AssetServiceGrpcTransport(
host="squid.clam.whelk",
credentials=mock_cred,
api_mtls_endpoint=api_mtls_endpoint,
client_cert_source=None,
)
grpc_create_channel.assert_called_once_with(
"mtls.squid.clam.whelk:443",
credentials=mock_cred,
credentials_file=None,
scopes=("https://www.googleapis.com/auth/cloud-platform", ),
ssl_credentials=mock_ssl_cred,
quota_project_id=None,
)
assert transport.grpc_channel == mock_grpc_channel
def test_asset_service_grpc_transport_channel_mtls_with_client_cert_source(
grpc_create_channel, grpc_ssl_channel_cred):
# Check that if channel is None, but api_mtls_endpoint and client_cert_source
# are provided, then a mTLS channel will be created.
mock_cred = mock.Mock()
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
transport = transports.AssetServiceGrpcTransport(
host="squid.clam.whelk",
credentials=mock_cred,
api_mtls_endpoint="mtls.squid.clam.whelk",
client_cert_source=client_cert_source_callback,
)
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=mock_cred,
credentials_file=None,
scopes=("https://www.googleapis.com/auth/cloud-platform", ),
ssl_credentials=mock_ssl_cred,
quota_project_id=None,
)
assert transport.grpc_channel == mock_grpc_channel
def test_transport_instance():
# A client may be instantiated with a custom transport instance.
transport = transports.AssetServiceGrpcTransport(
credentials=ga_credentials.AnonymousCredentials(),
)
client = AssetServiceClient(transport=transport)
assert client.transport is transport
def test_asset_service_grpc_transport_channel():
channel = grpc.secure_channel("http://localhost/", grpc.local_channel_credentials())
# Check that channel is used if provided.
transport = transports.AssetServiceGrpcTransport(
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_asset_service_transport_auth_adc():
# If credentials and host are not provided, the transport class should use
# ADC credentials.
with mock.patch.object(auth, "default") as adc:
adc.return_value = (credentials.AnonymousCredentials(), None)
transports.AssetServiceGrpcTransport(host="squid.clam.whelk",
quota_project_id="octopus")
adc.assert_called_once_with(
scopes=("https://www.googleapis.com/auth/cloud-platform", ),
quota_project_id="octopus",
)
def test_transport_get_channel():
# A client may be instantiated with a custom transport instance.
transport = transports.AssetServiceGrpcTransport(
credentials=credentials.AnonymousCredentials(), )
channel = transport.grpc_channel
assert channel
transport = transports.AssetServiceGrpcAsyncIOTransport(
credentials=credentials.AnonymousCredentials(), )
channel = transport.grpc_channel
assert channel
def test_asset_service_grpc_transport_channel():
channel = grpc.insecure_channel("http://localhost/")
# Check that if channel is provided, mtls endpoint and client_cert_source
# won't be used.
callback = mock.MagicMock()
transport = transports.AssetServiceGrpcTransport(
host="squid.clam.whelk",
channel=channel,
api_mtls_endpoint="mtls.squid.clam.whelk",
client_cert_source=callback,
)
assert transport.grpc_channel == channel
assert transport._host == "squid.clam.whelk:443"
assert not callback.called
