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',
)
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,
)
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,
)