def test_delete_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.DeleteTopicRequest()

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client._transport.delete_topic),
                           '__call__') as call:
        # Designate an appropriate return value for the call.
        call.return_value = None

        response = client.delete_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 response is None
def test_delete_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.delete_topic(
            pubsub.DeleteTopicRequest(),
            topic='topic_value',
        )
Exemple #3
0
    async def delete_topic(
            self,
            request: pubsub.DeleteTopicRequest = None,
            *,
            topic: str = None,
            retry: retries.Retry = gapic_v1.method.DEFAULT,
            timeout: float = None,
            metadata: Sequence[Tuple[str, str]] = (),
    ) -> None:
        r"""Deletes the topic with the given name. Returns ``NOT_FOUND`` if
        the topic does not exist. After a topic is deleted, a new topic
        may be created with the same name; this is an entirely new topic
        with none of the old configuration or subscriptions. Existing
        subscriptions to this topic are not deleted, but their ``topic``
        field is set to ``_deleted-topic_``.

        Args:
            request (:class:`google.pubsub_v1.types.DeleteTopicRequest`):
                The request object. Request for the `DeleteTopic`
                method.
            topic (:class:`str`):
                Required. Name of the topic to delete. 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.
        """
        # 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.DeleteTopicRequest(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.delete_topic,
            default_retry=retries.Retry(
                initial=0.1,
                maximum=60.0,
                multiplier=1.3,
                predicate=retries.if_exception_type(
                    exceptions.ServiceUnavailable, ),
                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.
        await rpc(
            request,
            retry=retry,
            timeout=timeout,
            metadata=metadata,
        )
    def delete_topic(
            self,
            request: pubsub.DeleteTopicRequest = None,
            *,
            topic: str = None,
            retry: retries.Retry = gapic_v1.method.DEFAULT,
            timeout: float = None,
            metadata: Sequence[Tuple[str, str]] = (),
    ) -> None:
        r"""Deletes the topic with the given name. Returns ``NOT_FOUND`` if
        the topic does not exist. After a topic is deleted, a new topic
        may be created with the same name; this is an entirely new topic
        with none of the old configuration or subscriptions. Existing
        subscriptions to this topic are not deleted, but their ``topic``
        field is set to ``_deleted-topic_``.

        Args:
            request (:class:`~.pubsub.DeleteTopicRequest`):
                The request object. Request for the `DeleteTopic`
                method.
            topic (:class:`str`):
                Required. Name of the topic to delete. 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.
        """
        # 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.DeleteTopicRequest(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.delete_topic,
            default_timeout=None,
            client_info=_client_info,
        )

        # Send the request.
        rpc(
            request,
            retry=retry,
            timeout=timeout,
            metadata=metadata,
        )
Exemple #5
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    def delete_topic(
            self,
            request: pubsub.DeleteTopicRequest = None,
            *,
            topic: str = None,
            retry: retries.Retry = gapic_v1.method.DEFAULT,
            timeout: float = None,
            metadata: Sequence[Tuple[str, str]] = (),
    ) -> None:
        r"""Deletes the topic with the given name. Returns ``NOT_FOUND`` if
        the topic does not exist. After a topic is deleted, a new topic
        may be created with the same name; this is an entirely new topic
        with none of the old configuration or subscriptions. Existing
        subscriptions to this topic are not deleted, but their ``topic``
        field is set to ``_deleted-topic_``.


        Args:
            request (:class:`~.pubsub.DeleteTopicRequest`):
                The request object. Request for the `DeleteTopic`
                method.
            topic (:class:`str`):
                Required. Name of the topic to delete. 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.
        """
        # 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.DeleteTopicRequest.
        # There's no risk of modifying the input as we've already verified
        # there are no flattened fields.
        if not isinstance(request, pubsub.DeleteTopicRequest):
            request = pubsub.DeleteTopicRequest(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.delete_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.
        rpc(
            request,
            retry=retry,
            timeout=timeout,
            metadata=metadata,
        )