def test_get_topic(transport: str = 'grpc'):
    client = PublisherClient(
        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 = pubsub.GetTopicRequest()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client._transport.get_topic),
                           '__call__') as call:
        # Designate an appropriate return value for the call.
        call.return_value = pubsub.Topic(
            name='name_value',
            kms_key_name='kms_key_name_value',
        )

        response = client.get_topic(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.
    assert isinstance(response, pubsub.Topic)
    assert response.name == 'name_value'
    assert response.kms_key_name == 'kms_key_name_value'
def test_get_topic_flattened_error():
    client = PublisherClient(credentials=credentials.AnonymousCredentials(), )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.get_topic(
            pubsub.GetTopicRequest(),
            topic='topic_value',
        )
def test_get_topic_field_headers():
    client = PublisherClient(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 = pubsub.GetTopicRequest(topic='topic/value', )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client._transport.get_topic),
                           '__call__') as call:
        call.return_value = pubsub.Topic()
        client.get_topic(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',
        'topic=topic/value',
    ) in kw['metadata']
Exemple #4
0
    async def get_topic(
            self,
            request: pubsub.GetTopicRequest = None,
            *,
            topic: str = None,
            retry: retries.Retry = gapic_v1.method.DEFAULT,
            timeout: float = None,
            metadata: Sequence[Tuple[str, str]] = (),
    ) -> pubsub.Topic:
        r"""Gets the configuration of a topic.

        Args:
            request (:class:`google.pubsub_v1.types.GetTopicRequest`):
                The request object. Request for the GetTopic method.
            topic (:class:`str`):
                Required. The name of the topic to get. Format is
                ``projects/{project}/topics/{topic}``.

                This corresponds to the ``topic`` 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:
            google.pubsub_v1.types.Topic:
                A topic resource.
        """
        # 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.
        has_flattened_params = any([topic])
        if request is not None and has_flattened_params:
            raise ValueError("If the `request` argument is set, then none of "
                             "the individual field arguments should be set.")

        request = pubsub.GetTopicRequest(request)

        # If we have keyword arguments corresponding to fields on the
        # request, apply these.

        if topic is not None:
            request.topic = topic

        # Wrap the RPC method; this adds retry and timeout information,
        # and friendly error handling.
        rpc = gapic_v1.method_async.wrap_method(
            self._client._transport.get_topic,
            default_retry=retries.Retry(
                initial=0.1,
                maximum=60.0,
                multiplier=1.3,
                predicate=retries.if_exception_type(
                    exceptions.Aborted,
                    exceptions.ServiceUnavailable,
                    exceptions.Unknown,
                ),
                deadline=60.0,
            ),
            default_timeout=60.0,
            client_info=DEFAULT_CLIENT_INFO,
        )

        # Certain fields should be provided within the metadata header;
        # add these here.
        metadata = tuple(metadata) + (gapic_v1.routing_header.to_grpc_metadata(
            (("topic", request.topic), )), )

        # Send the request.
        response = await rpc(
            request,
            retry=retry,
            timeout=timeout,
            metadata=metadata,
        )

        # Done; return the response.
        return response
    def get_topic(
            self,
            request: pubsub.GetTopicRequest = None,
            *,
            topic: str = None,
            retry: retries.Retry = gapic_v1.method.DEFAULT,
            timeout: float = None,
            metadata: Sequence[Tuple[str, str]] = (),
    ) -> pubsub.Topic:
        r"""Gets the configuration of a topic.

        Args:
            request (:class:`~.pubsub.GetTopicRequest`):
                The request object. Request for the GetTopic method.
            topic (:class:`str`):
                Required. The name of the topic to get. Format is
                ``projects/{project}/topics/{topic}``.
                This corresponds to the ``topic`` 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:
            ~.pubsub.Topic:
                A topic resource.
        """
        # 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([topic]):
            raise ValueError('If the `request` argument is set, then none of '
                             'the individual field arguments should be set.')

        request = pubsub.GetTopicRequest(request)

        # If we have keyword arguments corresponding to fields on the
        # request, apply these.

        if topic is not None:
            request.topic = topic

        # Wrap the RPC method; this adds retry and timeout information,
        # and friendly error handling.
        rpc = gapic_v1.method.wrap_method(
            self._transport.get_topic,
            default_timeout=None,
            client_info=_client_info,
        )

        # Certain fields should be provided within the metadata header;
        # add these here.
        metadata = tuple(metadata) + (gapic_v1.routing_header.to_grpc_metadata(
            (('topic', request.topic), )), )

        # Send the request.
        response = rpc(
            request,
            retry=retry,
            timeout=timeout,
            metadata=metadata,
        )

        # Done; return the response.
        return response
Exemple #6
0
    def get_topic(
            self,
            request: pubsub.GetTopicRequest = None,
            *,
            topic: str = None,
            retry: retries.Retry = gapic_v1.method.DEFAULT,
            timeout: float = None,
            metadata: Sequence[Tuple[str, str]] = (),
    ) -> pubsub.Topic:
        r"""Gets the configuration of a topic.


        Args:
            request (:class:`~.pubsub.GetTopicRequest`):
                The request object. Request for the GetTopic method.
            topic (:class:`str`):
                Required. The name of the topic to get. Format is
                ``projects/{project}/topics/{topic}``.
                This corresponds to the ``topic`` 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:
            ~.pubsub.Topic:
                A topic resource.
        """
        # 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.
        has_flattened_params = any([topic])
        if request is not None and has_flattened_params:
            raise ValueError("If the `request` argument is set, then none of "
                             "the individual field arguments should be set.")

        # Minor optimization to avoid making a copy if the user passes
        # in a pubsub.GetTopicRequest.
        # There's no risk of modifying the input as we've already verified
        # there are no flattened fields.
        if not isinstance(request, pubsub.GetTopicRequest):
            request = pubsub.GetTopicRequest(request)

            # If we have keyword arguments corresponding to fields on the
            # request, apply these.

            if topic is not None:
                request.topic = topic

        # Wrap the RPC method; this adds retry and timeout information,
        # and friendly error handling.
        rpc = self._transport._wrapped_methods[self._transport.get_topic]

        # Certain fields should be provided within the metadata header;
        # add these here.
        metadata = tuple(metadata) + (gapic_v1.routing_header.to_grpc_metadata(
            (("topic", request.topic), )), )

        # Send the request.
        response = rpc(
            request,
            retry=retry,
            timeout=timeout,
            metadata=metadata,
        )

        # Done; return the response.
        return response