def testLonelyClient(self):
host = 'nosuchhostexists'
port = 54321
method = 'test method'
deadline = time.time() + _TIMEOUT
after_deadline = deadline + _AFTER_DELAY
metadata_tag = object()
finish_tag = object()
completion_queue = _low.CompletionQueue()
channel = _low.Channel('%s:%d' % (host, port), None)
client_call = _low.Call(channel, completion_queue, method, host, deadline)
client_call.invoke(completion_queue, metadata_tag, finish_tag)
first_event = completion_queue.get(after_deadline)
self.assertIsNotNone(first_event)
second_event = completion_queue.get(after_deadline)
self.assertIsNotNone(second_event)
kinds = [event.kind for event in (first_event, second_event)]
six.assertCountEqual(self,
(_low.Event.Kind.METADATA_ACCEPTED, _low.Event.Kind.FINISH),
kinds)
self.assertIsNone(completion_queue.get(after_deadline))
completion_queue.stop()
stop_event = completion_queue.get(_FUTURE)
self.assertEqual(_low.Event.Kind.STOP, stop_event.kind)
del client_call
del channel
del completion_queue
def testUpAndDown(self):
channel = _intermediary_low.Channel('nonexistent:54321', None)
invocation_link = invocation.invocation_link(channel, 'nonexistent',
{}, {})
invocation_link.start()
invocation_link.stop()
def instantiate(self, serializations, servicer):
serialization_behaviors = _serialization_behaviors_from_serializations(
serializations)
invocation_end_link = implementations.invocation_end_link()
service_end_link = implementations.service_end_link(
servicer, test_constants.DEFAULT_TIMEOUT,
test_constants.MAXIMUM_TIMEOUT)
service_grpc_link = service.service_link(
serialization_behaviors.request_deserializers,
serialization_behaviors.response_serializers)
port = service_grpc_link.add_port('[::]:0', None)
channel = _intermediary_low.Channel('localhost:%d' % port, None)
invocation_grpc_link = invocation.invocation_link(
channel, b'localhost', None,
serialization_behaviors.request_serializers,
serialization_behaviors.response_deserializers)
invocation_end_link.join_link(invocation_grpc_link)
invocation_grpc_link.join_link(invocation_end_link)
service_end_link.join_link(service_grpc_link)
service_grpc_link.join_link(service_end_link)
invocation_grpc_link.start()
service_grpc_link.start()
return invocation_end_link, service_end_link, (
invocation_grpc_link, service_grpc_link)
def _test_lonely_invocation_with_termination(self, termination):
test_operation_id = object()
test_group = 'test package.Test Service'
test_method = 'test method'
invocation_link_mate = test_utilities.RecordingLink()
channel = _intermediary_low.Channel('nonexistent:54321', None)
invocation_link = invocation.invocation_link(
channel, 'nonexistent',
{(test_group, test_method): _NULL_BEHAVIOR},
{(test_group, test_method): _NULL_BEHAVIOR})
invocation_link.join_link(invocation_link_mate)
invocation_link.start()
ticket = links.Ticket(test_operation_id, 0, test_group, test_method,
links.Ticket.Subscription.FULL,
test_constants.SHORT_TIMEOUT, 1, None, None,
None, None, None, termination)
invocation_link.accept_ticket(ticket)
invocation_link_mate.block_until_tickets_satisfy(test_cases.terminated)
invocation_link.stop()
self.assertIsNot(invocation_link_mate.tickets()[-1].termination,
links.Ticket.Termination.COMPLETION)
def setUp(self):
self.host = 'localhost'
self.server_completion_queue = _low.CompletionQueue()
self.server = _low.Server(self.server_completion_queue)
port = self.server.add_http2_addr('[::]:0')
self.server.start()
self.client_completion_queue = _low.CompletionQueue()
self.channel = _low.Channel('%s:%d' % (self.host, port), None)
def create_transmitting_links(self):
service_link = service.service_link(
{self.group_and_method(): self.deserialize_request},
{self.group_and_method(): self.serialize_response})
port = service_link.add_port('[::]:0', None)
service_link.start()
channel = _intermediary_low.Channel('localhost:%d' % port, None)
invocation_link = invocation.invocation_link(
channel, 'localhost', None,
{self.group_and_method(): self.serialize_request},
{self.group_and_method(): self.deserialize_response})
invocation_link.start()
return invocation_link, service_link
def insecure_channel(host, port):
"""Creates an insecure Channel to a remote host.
Args:
host: The name of the remote host to which to connect.
port: The port of the remote host to which to connect.
Returns:
A Channel to the remote host through which RPCs may be conducted.
"""
intermediary_low_channel = _intermediary_low.Channel(
'%s:%d' % (host, port), None)
return Channel(intermediary_low_channel._internal, intermediary_low_channel) # pylint: disable=protected-access
def _start(self):
"""Starts this RearLink.
This method must be called before attempting to exchange tickets with this
object.
"""
with self._condition:
self._completion_queue = _low.CompletionQueue()
self._channel = _low.Channel(
'%s:%d' % (self._host, self._port),
self._client_credentials,
server_host_override=self._server_host_override)
return self
def secure_channel(host, port, client_credentials):
"""Creates a secure Channel to a remote host.
Args:
host: The name of the remote host to which to connect.
port: The port of the remote host to which to connect.
client_credentials: A ClientCredentials.
Returns:
A secure Channel to the remote host through which RPCs may be conducted.
"""
intermediary_low_channel = _intermediary_low.Channel(
'%s:%d' % (host, port), client_credentials._intermediary_low_credentials)
return Channel(intermediary_low_channel._internal, intermediary_low_channel) # pylint: disable=protected-access
def instantiate(self, methods, method_implementations,
multi_method_implementation):
pool = logging_pool.pool(test_constants.POOL_SIZE)
servicer = crust_implementations.servicer(method_implementations,
multi_method_implementation,
pool)
serialization_behaviors = _serialization_behaviors_from_test_methods(
methods)
invocation_end_link = core_implementations.invocation_end_link()
service_end_link = core_implementations.service_end_link(
servicer, test_constants.DEFAULT_TIMEOUT,
test_constants.MAXIMUM_TIMEOUT)
service_grpc_link = service.service_link(
serialization_behaviors.request_deserializers,
serialization_behaviors.response_serializers)
port = service_grpc_link.add_port('[::]:0', None)
channel = _intermediary_low.Channel('localhost:%d' % port, None)
invocation_grpc_link = invocation.invocation_link(
channel, b'localhost', None,
serialization_behaviors.request_serializers,
serialization_behaviors.response_deserializers)
invocation_end_link.join_link(invocation_grpc_link)
invocation_grpc_link.join_link(invocation_end_link)
service_grpc_link.join_link(service_end_link)
service_end_link.join_link(service_grpc_link)
service_end_link.start()
invocation_end_link.start()
invocation_grpc_link.start()
service_grpc_link.start()
generic_stub = crust_implementations.generic_stub(
invocation_end_link, pool)
# TODO(nathaniel): Add a "groups" attribute to _digest.TestServiceDigest.
group = next(iter(methods))[0]
# TODO(nathaniel): Add a "cardinalities_by_group" attribute to
# _digest.TestServiceDigest.
cardinalities = {
method: method_object.cardinality()
for (group, method), method_object in six.iteritems(methods)
}
dynamic_stub = crust_implementations.dynamic_stub(
invocation_end_link, group, cardinalities, pool)
return generic_stub, {
group: dynamic_stub
}, (invocation_end_link, invocation_grpc_link, service_grpc_link,
service_end_link, pool)
def testZeroMessageRoundTrip(self):
test_operation_id = object()
test_group = 'test package.Test Group'
test_method = 'test method'
identity_transformation = {(test_group, test_method): _IDENTITY}
test_code = beta_interfaces.StatusCode.OK
test_message = 'a test message'
service_link = service.service_link(identity_transformation,
identity_transformation)
service_mate = test_utilities.RecordingLink()
service_link.join_link(service_mate)
port = service_link.add_port('[::]:0', None)
service_link.start()
channel = _intermediary_low.Channel('localhost:%d' % port, None)
invocation_link = invocation.invocation_link(channel, None, None,
identity_transformation,
identity_transformation)
invocation_mate = test_utilities.RecordingLink()
invocation_link.join_link(invocation_mate)
invocation_link.start()
invocation_ticket = links.Ticket(
test_operation_id, 0, test_group, test_method,
links.Ticket.Subscription.FULL, test_constants.LONG_TIMEOUT, None,
None, None, None, None, None, links.Ticket.Termination.COMPLETION,
None)
invocation_link.accept_ticket(invocation_ticket)
service_mate.block_until_tickets_satisfy(test_cases.terminated)
service_ticket = links.Ticket(service_mate.tickets()[-1].operation_id,
0, None, None, None, None, None, None,
None, None, test_code, test_message,
links.Ticket.Termination.COMPLETION,
None)
service_link.accept_ticket(service_ticket)
invocation_mate.block_until_tickets_satisfy(test_cases.terminated)
invocation_link.stop()
service_link.begin_stop()
service_link.end_stop()
self.assertIs(service_mate.tickets()[-1].termination,
links.Ticket.Termination.COMPLETION)
self.assertIs(invocation_mate.tickets()[-1].termination,
links.Ticket.Termination.COMPLETION)
self.assertIs(invocation_mate.tickets()[-1].code, test_code)
self.assertEqual(invocation_mate.tickets()[-1].message, test_message)
def secure_channel(host, port, channel_credentials):
"""Creates a secure Channel to a remote host.
Args:
host: The name of the remote host to which to connect.
port: The port of the remote host to which to connect.
If None only the 'host' part will be used.
channel_credentials: A ChannelCredentials.
Returns:
A secure Channel to the remote host through which RPCs may be conducted.
"""
intermediary_low_channel = _intermediary_low.Channel(
'%s:%d' % (host, port) if port else host,
channel_credentials._low_credentials)
return Channel(intermediary_low_channel._internal, intermediary_low_channel) # pylint: disable=protected-access
def setUp(self):
self.host = 'localhost'
self.server_completion_queue = _low.CompletionQueue()
self.server = _low.Server(self.server_completion_queue)
port = self.server.add_http2_addr('[::]:0')
self.server.start()
self.server_events = queue.Queue()
self.server_completion_queue_thread = threading.Thread(
target=_drive_completion_queue,
args=(self.server_completion_queue, self.server_events))
self.server_completion_queue_thread.start()
self.client_completion_queue = _low.CompletionQueue()
self.channel = _low.Channel('%s:%d' % (self.host, port), None)
self.client_events = queue.Queue()
self.client_completion_queue_thread = threading.Thread(
target=_drive_completion_queue,
args=(self.client_completion_queue, self.client_events))
self.client_completion_queue_thread.start()
def create_not_really_secure_channel(host, port, client_credentials,
server_host_override):
"""Creates an insecure Channel to a remote host.
Args:
host: The name of the remote host to which to connect.
port: The port of the remote host to which to connect.
client_credentials: The beta.ClientCredentials with which to connect.
server_host_override: The target name used for SSL host name checking.
Returns:
A beta.Channel to the remote host through which RPCs may be conducted.
"""
hostport = '%s:%d' % (host, port)
intermediary_low_channel = _intermediary_low.Channel(
hostport,
client_credentials._intermediary_low_credentials,
server_host_override=server_host_override)
return beta.Channel(intermediary_low_channel._internal,
intermediary_low_channel)
def _perform_scenario_test(self, scenario):
test_operation_id = object()
test_group, test_method = scenario.group_and_method()
test_code = _intermediary_low.Code.OK
test_message = 'a scenario test message'
service_link = service.service_link(
{(test_group, test_method): scenario.deserialize_request},
{(test_group, test_method): scenario.serialize_response})
service_mate = test_utilities.RecordingLink()
service_link.join_link(service_mate)
port = service_link.add_port('[::]:0', None)
service_link.start()
channel = _intermediary_low.Channel('localhost:%d' % port, None)
invocation_link = invocation.invocation_link(
channel, 'localhost', None,
{(test_group, test_method): scenario.serialize_request},
{(test_group, test_method): scenario.deserialize_response})
invocation_mate = test_utilities.RecordingLink()
invocation_link.join_link(invocation_mate)
invocation_link.start()
invocation_ticket = links.Ticket(test_operation_id, 0, test_group,
test_method,
links.Ticket.Subscription.FULL,
test_constants.LONG_TIMEOUT, None,
None, None, None, None, None, None,
None)
invocation_link.accept_ticket(invocation_ticket)
requests = scenario.requests()
for request_index, request in enumerate(requests):
request_ticket = links.Ticket(test_operation_id, 1 + request_index,
None, None, None, None, 1, None,
request, None, None, None, None,
None)
invocation_link.accept_ticket(request_ticket)
service_mate.block_until_tickets_satisfy(
test_cases.at_least_n_payloads_received_predicate(
1 + request_index))
response_ticket = links.Ticket(
service_mate.tickets()[0].operation_id, request_index, None,
None, None, None, 1, None,
scenario.response_for_request(request), None, None, None, None,
None)
service_link.accept_ticket(response_ticket)
invocation_mate.block_until_tickets_satisfy(
test_cases.at_least_n_payloads_received_predicate(
1 + request_index))
request_count = len(requests)
invocation_completion_ticket = links.Ticket(
test_operation_id, request_count + 1, None, None, None, None, None,
None, None, None, None, None, links.Ticket.Termination.COMPLETION,
None)
invocation_link.accept_ticket(invocation_completion_ticket)
service_mate.block_until_tickets_satisfy(test_cases.terminated)
service_completion_ticket = links.Ticket(
service_mate.tickets()[0].operation_id, request_count, None, None,
None, None, None, None, None, None, test_code, test_message,
links.Ticket.Termination.COMPLETION, None)
service_link.accept_ticket(service_completion_ticket)
invocation_mate.block_until_tickets_satisfy(test_cases.terminated)
invocation_link.stop()
service_link.begin_stop()
service_link.end_stop()
observed_requests = tuple(ticket.payload
for ticket in service_mate.tickets()
if ticket.payload is not None)
observed_responses = tuple(ticket.payload
for ticket in invocation_mate.tickets()
if ticket.payload is not None)
self.assertTrue(scenario.verify_requests(observed_requests))
self.assertTrue(scenario.verify_responses(observed_responses))
