def test_transport_instance():
# A client may be instantiated with a custom transport instance.
transport = transports.MessagingGrpcTransport(
credentials=credentials.AnonymousCredentials(),
)
client = MessagingClient(transport=transport)
assert client._transport is transport
def test_credentials_transport_error():
# It is an error to provide credentials and a transport instance.
transport = transports.MessagingGrpcTransport(
credentials=credentials.AnonymousCredentials(), )
with pytest.raises(ValueError):
client = MessagingClient(
credentials=credentials.AnonymousCredentials(),
transport=transport,
)
def test_messaging_grpc_transport_channel():
channel = grpc.insecure_channel('http://localhost/')
transport = transports.MessagingGrpcTransport(
channel=channel,
)
assert transport.grpc_channel is channel