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Diffstat (limited to 'src/python/grpcio_test/grpc_test/framework/interfaces/face/_future_invocation_asynchronous_event_service.py')
| -rw-r--r-- | src/python/grpcio_test/grpc_test/framework/interfaces/face/_future_invocation_asynchronous_event_service.py | 378 |
1 files changed, 378 insertions, 0 deletions
diff --git a/src/python/grpcio_test/grpc_test/framework/interfaces/face/_future_invocation_asynchronous_event_service.py b/src/python/grpcio_test/grpc_test/framework/interfaces/face/_future_invocation_asynchronous_event_service.py new file mode 100644 index 0000000000..a649362cef --- /dev/null +++ b/src/python/grpcio_test/grpc_test/framework/interfaces/face/_future_invocation_asynchronous_event_service.py @@ -0,0 +1,378 @@ +# Copyright 2015, Google Inc. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""Test code for the Face layer of RPC Framework.""" + +import abc +import contextlib +import threading +import unittest + +# test_interfaces is referenced from specification in this module. +from grpc.framework.foundation import logging_pool +from grpc.framework.interfaces.face import face +from grpc_test.framework.common import test_constants +from grpc_test.framework.common import test_control +from grpc_test.framework.common import test_coverage +from grpc_test.framework.interfaces.face import _digest +from grpc_test.framework.interfaces.face import _stock_service +from grpc_test.framework.interfaces.face import test_interfaces # pylint: disable=unused-import + + +class _PauseableIterator(object): + + def __init__(self, upstream): + self._upstream = upstream + self._condition = threading.Condition() + self._paused = False + + @contextlib.contextmanager + def pause(self): + with self._condition: + self._paused = True + yield + with self._condition: + self._paused = False + self._condition.notify_all() + + def __iter__(self): + return self + + def next(self): + with self._condition: + while self._paused: + self._condition.wait() + return next(self._upstream) + + +class TestCase(test_coverage.Coverage, unittest.TestCase): + """A test of the Face layer of RPC Framework. + + Concrete subclasses must have an "implementation" attribute of type + test_interfaces.Implementation and an "invoker_constructor" attribute of type + _invocation.InvokerConstructor. + """ + __metaclass__ = abc.ABCMeta + + NAME = 'FutureInvocationAsynchronousEventServiceTest' + + def setUp(self): + """See unittest.TestCase.setUp for full specification. + + Overriding implementations must call this implementation. + """ + self._control = test_control.PauseFailControl() + self._digest_pool = logging_pool.pool(test_constants.POOL_SIZE) + self._digest = _digest.digest( + _stock_service.STOCK_TEST_SERVICE, self._control, self._digest_pool) + + generic_stub, dynamic_stubs, self._memo = self.implementation.instantiate( + self._digest.methods, self._digest.event_method_implementations, None) + self._invoker = self.invoker_constructor.construct_invoker( + generic_stub, dynamic_stubs, self._digest.methods) + + def tearDown(self): + """See unittest.TestCase.tearDown for full specification. + + Overriding implementations must call this implementation. + """ + self.implementation.destantiate(self._memo) + self._digest_pool.shutdown(wait=True) + + def testSuccessfulUnaryRequestUnaryResponse(self): + for (group, method), test_messages_sequence in ( + self._digest.unary_unary_messages_sequences.iteritems()): + for test_messages in test_messages_sequence: + request = test_messages.request() + + response_future = self._invoker.future(group, method)( + request, test_constants.LONG_TIMEOUT) + response = response_future.result() + + test_messages.verify(request, response, self) + + def testSuccessfulUnaryRequestStreamResponse(self): + for (group, method), test_messages_sequence in ( + self._digest.unary_stream_messages_sequences.iteritems()): + for test_messages in test_messages_sequence: + request = test_messages.request() + + response_iterator = self._invoker.future(group, method)( + request, test_constants.LONG_TIMEOUT) + responses = list(response_iterator) + + test_messages.verify(request, responses, self) + + def testSuccessfulStreamRequestUnaryResponse(self): + for (group, method), test_messages_sequence in ( + self._digest.stream_unary_messages_sequences.iteritems()): + for test_messages in test_messages_sequence: + requests = test_messages.requests() + request_iterator = _PauseableIterator(iter(requests)) + + # Use of a paused iterator of requests allows us to test that control is + # returned to calling code before the iterator yields any requests. + with request_iterator.pause(): + response_future = self._invoker.future(group, method)( + request_iterator, test_constants.LONG_TIMEOUT) + response = response_future.result() + + test_messages.verify(requests, response, self) + + def testSuccessfulStreamRequestStreamResponse(self): + for (group, method), test_messages_sequence in ( + self._digest.stream_stream_messages_sequences.iteritems()): + for test_messages in test_messages_sequence: + requests = test_messages.requests() + request_iterator = _PauseableIterator(iter(requests)) + + # Use of a paused iterator of requests allows us to test that control is + # returned to calling code before the iterator yields any requests. + with request_iterator.pause(): + response_iterator = self._invoker.future(group, method)( + request_iterator, test_constants.LONG_TIMEOUT) + responses = list(response_iterator) + + test_messages.verify(requests, responses, self) + + def testSequentialInvocations(self): + for (group, method), test_messages_sequence in ( + self._digest.unary_unary_messages_sequences.iteritems()): + for test_messages in test_messages_sequence: + first_request = test_messages.request() + second_request = test_messages.request() + + first_response_future = self._invoker.future(group, method)( + first_request, test_constants.LONG_TIMEOUT) + first_response = first_response_future.result() + + test_messages.verify(first_request, first_response, self) + + second_response_future = self._invoker.future(group, method)( + second_request, test_constants.LONG_TIMEOUT) + second_response = second_response_future.result() + + test_messages.verify(second_request, second_response, self) + + def testParallelInvocations(self): + for (group, method), test_messages_sequence in ( + self._digest.unary_unary_messages_sequences.iteritems()): + for test_messages in test_messages_sequence: + first_request = test_messages.request() + second_request = test_messages.request() + + first_response_future = self._invoker.future(group, method)( + first_request, test_constants.LONG_TIMEOUT) + second_response_future = self._invoker.future(group, method)( + second_request, test_constants.LONG_TIMEOUT) + first_response = first_response_future.result() + second_response = second_response_future.result() + + test_messages.verify(first_request, first_response, self) + test_messages.verify(second_request, second_response, self) + + @unittest.skip('TODO(nathaniel): implement.') + def testWaitingForSomeButNotAllParallelInvocations(self): + raise NotImplementedError() + + def testCancelledUnaryRequestUnaryResponse(self): + for (group, method), test_messages_sequence in ( + self._digest.unary_unary_messages_sequences.iteritems()): + for test_messages in test_messages_sequence: + request = test_messages.request() + + with self._control.pause(): + response_future = self._invoker.future(group, method)( + request, test_constants.LONG_TIMEOUT) + cancel_method_return_value = response_future.cancel() + + self.assertFalse(cancel_method_return_value) + self.assertTrue(response_future.cancelled()) + + def testCancelledUnaryRequestStreamResponse(self): + for (group, method), test_messages_sequence in ( + self._digest.unary_stream_messages_sequences.iteritems()): + for test_messages in test_messages_sequence: + request = test_messages.request() + + with self._control.pause(): + response_iterator = self._invoker.future(group, method)( + request, test_constants.LONG_TIMEOUT) + response_iterator.cancel() + + with self.assertRaises(face.CancellationError): + next(response_iterator) + + def testCancelledStreamRequestUnaryResponse(self): + for (group, method), test_messages_sequence in ( + self._digest.stream_unary_messages_sequences.iteritems()): + for test_messages in test_messages_sequence: + requests = test_messages.requests() + + with self._control.pause(): + response_future = self._invoker.future(group, method)( + iter(requests), test_constants.LONG_TIMEOUT) + cancel_method_return_value = response_future.cancel() + + self.assertFalse(cancel_method_return_value) + self.assertTrue(response_future.cancelled()) + + def testCancelledStreamRequestStreamResponse(self): + for (group, method), test_messages_sequence in ( + self._digest.stream_stream_messages_sequences.iteritems()): + for test_messages in test_messages_sequence: + requests = test_messages.requests() + + with self._control.pause(): + response_iterator = self._invoker.future(group, method)( + iter(requests), test_constants.LONG_TIMEOUT) + response_iterator.cancel() + + with self.assertRaises(face.CancellationError): + next(response_iterator) + + def testExpiredUnaryRequestUnaryResponse(self): + for (group, method), test_messages_sequence in ( + self._digest.unary_unary_messages_sequences.iteritems()): + for test_messages in test_messages_sequence: + request = test_messages.request() + + with self._control.pause(): + response_future = self._invoker.future( + group, method)(request, test_constants.SHORT_TIMEOUT) + self.assertIsInstance( + response_future.exception(), face.ExpirationError) + with self.assertRaises(face.ExpirationError): + response_future.result() + + def testExpiredUnaryRequestStreamResponse(self): + for (group, method), test_messages_sequence in ( + self._digest.unary_stream_messages_sequences.iteritems()): + for test_messages in test_messages_sequence: + request = test_messages.request() + + with self._control.pause(): + response_iterator = self._invoker.future(group, method)( + request, test_constants.SHORT_TIMEOUT) + with self.assertRaises(face.ExpirationError): + list(response_iterator) + + def testExpiredStreamRequestUnaryResponse(self): + for (group, method), test_messages_sequence in ( + self._digest.stream_unary_messages_sequences.iteritems()): + for test_messages in test_messages_sequence: + requests = test_messages.requests() + + with self._control.pause(): + response_future = self._invoker.future(group, method)( + iter(requests), test_constants.SHORT_TIMEOUT) + self.assertIsInstance( + response_future.exception(), face.ExpirationError) + with self.assertRaises(face.ExpirationError): + response_future.result() + + def testExpiredStreamRequestStreamResponse(self): + for (group, method), test_messages_sequence in ( + self._digest.stream_stream_messages_sequences.iteritems()): + for test_messages in test_messages_sequence: + requests = test_messages.requests() + + with self._control.pause(): + response_iterator = self._invoker.future(group, method)( + iter(requests), test_constants.SHORT_TIMEOUT) + with self.assertRaises(face.ExpirationError): + list(response_iterator) + + def testFailedUnaryRequestUnaryResponse(self): + for (group, method), test_messages_sequence in ( + self._digest.unary_unary_messages_sequences.iteritems()): + for test_messages in test_messages_sequence: + request = test_messages.request() + + with self._control.fail(): + response_future = self._invoker.future(group, method)( + request, test_constants.SHORT_TIMEOUT) + + # Because the servicer fails outside of the thread from which the + # servicer-side runtime called into it its failure is + # indistinguishable from simply not having called its + # response_callback before the expiration of the RPC. + self.assertIsInstance( + response_future.exception(), face.ExpirationError) + with self.assertRaises(face.ExpirationError): + response_future.result() + + def testFailedUnaryRequestStreamResponse(self): + for (group, method), test_messages_sequence in ( + self._digest.unary_stream_messages_sequences.iteritems()): + for test_messages in test_messages_sequence: + request = test_messages.request() + + # Because the servicer fails outside of the thread from which the + # servicer-side runtime called into it its failure is indistinguishable + # from simply not having called its response_consumer before the + # expiration of the RPC. + with self._control.fail(), self.assertRaises(face.ExpirationError): + response_iterator = self._invoker.future(group, method)( + request, test_constants.SHORT_TIMEOUT) + list(response_iterator) + + def testFailedStreamRequestUnaryResponse(self): + for (group, method), test_messages_sequence in ( + self._digest.stream_unary_messages_sequences.iteritems()): + for test_messages in test_messages_sequence: + requests = test_messages.requests() + + with self._control.fail(): + response_future = self._invoker.future(group, method)( + iter(requests), test_constants.SHORT_TIMEOUT) + + # Because the servicer fails outside of the thread from which the + # servicer-side runtime called into it its failure is + # indistinguishable from simply not having called its + # response_callback before the expiration of the RPC. + self.assertIsInstance( + response_future.exception(), face.ExpirationError) + with self.assertRaises(face.ExpirationError): + response_future.result() + + def testFailedStreamRequestStreamResponse(self): + for (group, method), test_messages_sequence in ( + self._digest.stream_stream_messages_sequences.iteritems()): + for test_messages in test_messages_sequence: + requests = test_messages.requests() + + # Because the servicer fails outside of the thread from which the + # servicer-side runtime called into it its failure is indistinguishable + # from simply not having called its response_consumer before the + # expiration of the RPC. + with self._control.fail(), self.assertRaises(face.ExpirationError): + response_iterator = self._invoker.future(group, method)( + iter(requests), test_constants.SHORT_TIMEOUT) + list(response_iterator) |