def test_list_topic_subscriptions(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.ListTopicSubscriptionsRequest()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client._transport.list_topic_subscriptions),
                           '__call__') as call:
        # Designate an appropriate return value for the call.
        call.return_value = pubsub.ListTopicSubscriptionsResponse(
            subscriptions=['subscriptions_value'],
            next_page_token='next_page_token_value',
        )

        response = client.list_topic_subscriptions(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.ListTopicSubscriptionsResponse)
    assert response.subscriptions == ['subscriptions_value']
    assert response.next_page_token == 'next_page_token_value'
def test_list_topic_subscriptions_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.list_topic_subscriptions(
            pubsub.ListTopicSubscriptionsRequest(),
            topic='topic_value',
        )
Example #3
0
    def __init__(self,
                 method: Callable[..., pubsub.ListTopicSubscriptionsResponse],
                 request: pubsub.ListTopicSubscriptionsRequest,
                 response: pubsub.ListTopicSubscriptionsResponse,
                 *,
                 metadata: Sequence[Tuple[str, str]] = ()):
        """Instantiate the pager.

        Args:
            method (Callable): The method that was originally called, and
                which instantiated this pager.
            request (google.pubsub_v1.types.ListTopicSubscriptionsRequest):
                The initial request object.
            response (google.pubsub_v1.types.ListTopicSubscriptionsResponse):
                The initial response object.
            metadata (Sequence[Tuple[str, str]]): Strings which should be
                sent along with the request as metadata.
        """
        self._method = method
        self._request = pubsub.ListTopicSubscriptionsRequest(request)
        self._response = response
        self._metadata = metadata
def test_list_topic_subscriptions_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.ListTopicSubscriptionsRequest(topic='topic/value', )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client._transport.list_topic_subscriptions),
                           '__call__') as call:
        call.return_value = pubsub.ListTopicSubscriptionsResponse()
        client.list_topic_subscriptions(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']
Example #5
0
    async def list_topic_subscriptions(
        self,
        request: pubsub.ListTopicSubscriptionsRequest = None,
        *,
        topic: str = None,
        retry: retries.Retry = gapic_v1.method.DEFAULT,
        timeout: float = None,
        metadata: Sequence[Tuple[str, str]] = (),
    ) -> pagers.ListTopicSubscriptionsAsyncPager:
        r"""Lists the names of the attached subscriptions on this
        topic.

        Args:
            request (:class:`google.pubsub_v1.types.ListTopicSubscriptionsRequest`):
                The request object. Request for the
                `ListTopicSubscriptions` method.
            topic (:class:`str`):
                Required. The name of the topic that subscriptions are
                attached to. 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.services.publisher.pagers.ListTopicSubscriptionsAsyncPager:
                Response for the ListTopicSubscriptions method.

                Iterating over this object will yield results and
                resolve additional pages automatically.

        """
        # 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.ListTopicSubscriptionsRequest(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.list_topic_subscriptions,
            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,
        )

        # This method is paged; wrap the response in a pager, which provides
        # an `__aiter__` convenience method.
        response = pagers.ListTopicSubscriptionsAsyncPager(
            method=rpc,
            request=request,
            response=response,
            metadata=metadata,
        )

        # Done; return the response.
        return response
    def list_topic_subscriptions(
        self,
        request: pubsub.ListTopicSubscriptionsRequest = None,
        *,
        topic: str = None,
        retry: retries.Retry = gapic_v1.method.DEFAULT,
        timeout: float = None,
        metadata: Sequence[Tuple[str, str]] = (),
    ) -> pubsub.ListTopicSubscriptionsResponse:
        r"""Lists the names of the subscriptions on this topic.

        Args:
            request (:class:`~.pubsub.ListTopicSubscriptionsRequest`):
                The request object. Request for the
                `ListTopicSubscriptions` method.
            topic (:class:`str`):
                Required. The name of the topic that subscriptions are
                attached to. 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.ListTopicSubscriptionsResponse:
                Response for the ``ListTopicSubscriptions`` method.
        """
        # 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.ListTopicSubscriptionsRequest(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.list_topic_subscriptions,
            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
Example #7
0
    def list_topic_subscriptions(
        self,
        request: pubsub.ListTopicSubscriptionsRequest = None,
        *,
        topic: str = None,
        retry: retries.Retry = gapic_v1.method.DEFAULT,
        timeout: float = None,
        metadata: Sequence[Tuple[str, str]] = (),
    ) -> pagers.ListTopicSubscriptionsPager:
        r"""Lists the names of the attached subscriptions on this
        topic.


        Args:
            request (:class:`~.pubsub.ListTopicSubscriptionsRequest`):
                The request object. Request for the
                `ListTopicSubscriptions` method.
            topic (:class:`str`):
                Required. The name of the topic that subscriptions are
                attached to. 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:
            ~.pagers.ListTopicSubscriptionsPager:
                Response for the ``ListTopicSubscriptions`` method.

                Iterating over this object will yield results and
                resolve additional pages automatically.

        """
        # 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.ListTopicSubscriptionsRequest.
        # There's no risk of modifying the input as we've already verified
        # there are no flattened fields.
        if not isinstance(request, pubsub.ListTopicSubscriptionsRequest):
            request = pubsub.ListTopicSubscriptionsRequest(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.list_topic_subscriptions]

        # 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,
        )

        # This method is paged; wrap the response in a pager, which provides
        # an `__iter__` convenience method.
        response = pagers.ListTopicSubscriptionsPager(
            method=rpc,
            request=request,
            response=response,
            metadata=metadata,
        )

        # Done; return the response.
        return response