def test_expand(transport: str = 'grpc'): client = EchoClient( 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 = gs_echo.ExpandRequest() # Mock the actual call within the gRPC stub, and fake the request. with mock.patch.object(type(client._transport.expand), '__call__') as call: # Designate an appropriate return value for the call. call.return_value = iter([gs_echo.EchoResponse()]) response = client.expand(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. for message in response: assert isinstance(message, gs_echo.EchoResponse)
def test_expand(): print("=================test expand ===================") client = EchoClient(transport=transport) request = gs_echo.ExpandRequest(content='one two three four') responses = client.expand(request) for message in responses: print(message) print("trailing metadata...") print(responses.trailing_metadata())
def test_expand_flattened_error(): client = EchoClient(credentials=credentials.AnonymousCredentials(), ) # Attempting to call a method with both a request object and flattened # fields is an error. with pytest.raises(ValueError): client.expand( gs_echo.ExpandRequest(), content='content_value', error=status.Status(code=411), )
def run_should_pass(): print("================= should pass ====================") header_adder_interceptor = client_interceptor.header_adder_interceptor( 'one-time-password', '42') channel = grpc.insecure_channel('localhost:50051') intercept_channel = grpc.intercept_channel(channel, header_adder_interceptor) transport = transports.EchoGrpcTransport(channel=intercept_channel) client = EchoClient(transport=transport) request = gs_echo.ExpandRequest(content='one two three four') responses = client.expand(request) for message in responses: print(message) print("trailing metadata...") print(responses.trailing_metadata())
def run_should_fail(): print( "================= should fail with 'Access denied!' ====================" ) channel = grpc.insecure_channel('localhost:50051') transport = transports.EchoGrpcTransport(channel=channel) client = EchoClient(transport=transport) try: request = gs_echo.ExpandRequest(content='one two three four') responses = client.expand(request) for message in responses: print(message) print("trailing metadata...") print(responses.trailing_metadata()) except: print(sys.exc_info())
def expand( self, request: gs_echo.ExpandRequest = None, *, content: str = None, error: status.Status = None, retry: retries.Retry = gapic_v1.method.DEFAULT, timeout: float = None, metadata: Sequence[Tuple[str, str]] = (), ) -> gs_echo.EchoResponse: r"""This method split the given content into words and will pass each word back through the stream. This method showcases server-side streaming rpcs. Args: request (:class:`~.gs_echo.ExpandRequest`): The request object. The request message for the Expand method. content (:class:`str`): The content that will be split into words and returned on the stream. This corresponds to the ``content`` field on the ``request`` instance; if ``request`` is provided, this should not be set. error (:class:`~.status.Status`): The error that is thrown after all words are sent on the stream. This corresponds to the ``error`` field on the ``request`` instance; if ``request`` is provided, this should not be set. retry (google.api_core.retry.Retry): Designation of what errors, if any, should be retried. timeout (float): The timeout for this request. metadata (Sequence[Tuple[str, str]]): Strings which should be sent along with the request as metadata. Returns: ~.gs_echo.EchoResponse: The response message for the Echo methods. """ # Create or coerce a protobuf request object. # Sanity check: If we got a request object, we should *not* have # gotten any keyword arguments that map to the request. if request is not None and any([content, error]): raise ValueError('If the `request` argument is set, then none of ' 'the individual field arguments should be set.') # If we have keyword arguments corresponding to fields on the # request, apply these. request = gs_echo.ExpandRequest(request) if content is not None: request.content = content if error is not None: request.error = error # Wrap the RPC method; this adds retry and timeout information, # and friendly error handling. rpc = gapic_v1.method.wrap_method( self._transport.expand, default_timeout=None, client_info=_client_info, ) # Send the request. response = rpc( request, retry=retry, timeout=timeout, metadata=metadata, ) # Done; return the response. return response