diff options
Diffstat (limited to 'src/python/grpcio/tests')
-rw-r--r-- | src/python/grpcio/tests/tests.json | 3 | ||||
-rw-r--r-- | src/python/grpcio/tests/unit/_channel_connectivity_test.py | 161 | ||||
-rw-r--r-- | src/python/grpcio/tests/unit/_channel_ready_future_test.py | 103 | ||||
-rw-r--r-- | src/python/grpcio/tests/unit/_rpc_test.py | 775 | ||||
-rw-r--r-- | src/python/grpcio/tests/unit/framework/common/test_control.py | 26 |
5 files changed, 1064 insertions, 4 deletions
diff --git a/src/python/grpcio/tests/tests.json b/src/python/grpcio/tests/tests.json index 1beb619f87..fb357ea848 100644 --- a/src/python/grpcio/tests/tests.json +++ b/src/python/grpcio/tests/tests.json @@ -6,6 +6,8 @@ "_beta_features_test.BetaFeaturesTest", "_beta_features_test.ContextManagementAndLifecycleTest", "_cancel_many_calls_test.CancelManyCallsTest", + "_channel_connectivity_test.ChannelConnectivityTest", + "_channel_ready_future_test.ChannelReadyFutureTest", "_channel_test.ChannelTest", "_connectivity_channel_test.ChannelConnectivityTest", "_core_over_links_base_interface_test.AsyncEasyTest", @@ -43,6 +45,7 @@ "_low_test.HangingServerShutdown", "_low_test.InsecureServerInsecureClient", "_not_found_test.NotFoundTest", + "_rpc_test.RPCTest", "_sanity_test.Sanity", "_secure_interop_test.SecureInteropTest", "_transmission_test.RoundTripTest", diff --git a/src/python/grpcio/tests/unit/_channel_connectivity_test.py b/src/python/grpcio/tests/unit/_channel_connectivity_test.py new file mode 100644 index 0000000000..a1575efada --- /dev/null +++ b/src/python/grpcio/tests/unit/_channel_connectivity_test.py @@ -0,0 +1,161 @@ +# 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. + +"""Tests of grpc._channel.Channel connectivity.""" + +import threading +import time +import unittest +from concurrent import futures + +import grpc +from grpc import _channel +from grpc import _server +from tests.unit.framework.common import test_constants + + +def _ready_in_connectivities(connectivities): + return grpc.ChannelConnectivity.READY in connectivities + + +def _last_connectivity_is_not_ready(connectivities): + return connectivities[-1] is not grpc.ChannelConnectivity.READY + + +class _Callback(object): + + def __init__(self): + self._condition = threading.Condition() + self._connectivities = [] + + def update(self, connectivity): + with self._condition: + self._connectivities.append(connectivity) + self._condition.notify() + + def connectivities(self): + with self._condition: + return tuple(self._connectivities) + + def block_until_connectivities_satisfy(self, predicate): + with self._condition: + while True: + connectivities = tuple(self._connectivities) + if predicate(connectivities): + return connectivities + else: + self._condition.wait() + + +class ChannelConnectivityTest(unittest.TestCase): + + def test_lonely_channel_connectivity(self): + callback = _Callback() + + channel = _channel.Channel('localhost:12345', None, None) + channel.subscribe(callback.update, try_to_connect=False) + first_connectivities = callback.block_until_connectivities_satisfy(bool) + channel.subscribe(callback.update, try_to_connect=True) + second_connectivities = callback.block_until_connectivities_satisfy( + lambda connectivities: 2 <= len(connectivities)) + # Wait for a connection that will never happen. + time.sleep(test_constants.SHORT_TIMEOUT) + third_connectivities = callback.connectivities() + channel.unsubscribe(callback.update) + fourth_connectivities = callback.connectivities() + channel.unsubscribe(callback.update) + fifth_connectivities = callback.connectivities() + + self.assertSequenceEqual( + (grpc.ChannelConnectivity.IDLE,), first_connectivities) + self.assertNotIn( + grpc.ChannelConnectivity.READY, second_connectivities) + self.assertNotIn( + grpc.ChannelConnectivity.READY, third_connectivities) + self.assertNotIn( + grpc.ChannelConnectivity.READY, fourth_connectivities) + self.assertNotIn( + grpc.ChannelConnectivity.READY, fifth_connectivities) + + def test_immediately_connectable_channel_connectivity(self): + server = _server.Server((), futures.ThreadPoolExecutor(max_workers=0)) + port = server.add_insecure_port('[::]:0') + server.start() + first_callback = _Callback() + second_callback = _Callback() + + channel = _channel.Channel('localhost:{}'.format(port), None, None) + channel.subscribe(first_callback.update, try_to_connect=False) + first_connectivities = first_callback.block_until_connectivities_satisfy( + bool) + # Wait for a connection that will never happen because try_to_connect=True + # has not yet been passed. + time.sleep(test_constants.SHORT_TIMEOUT) + second_connectivities = first_callback.connectivities() + channel.subscribe(second_callback.update, try_to_connect=True) + third_connectivities = first_callback.block_until_connectivities_satisfy( + lambda connectivities: 2 <= len(connectivities)) + fourth_connectivities = second_callback.block_until_connectivities_satisfy( + bool) + # Wait for a connection that will happen (or may already have happened). + first_callback.block_until_connectivities_satisfy(_ready_in_connectivities) + second_callback.block_until_connectivities_satisfy(_ready_in_connectivities) + del channel + + self.assertSequenceEqual( + (grpc.ChannelConnectivity.IDLE,), first_connectivities) + self.assertSequenceEqual( + (grpc.ChannelConnectivity.IDLE,), second_connectivities) + self.assertNotIn( + grpc.ChannelConnectivity.TRANSIENT_FAILURE, third_connectivities) + self.assertNotIn( + grpc.ChannelConnectivity.FATAL_FAILURE, third_connectivities) + self.assertNotIn( + grpc.ChannelConnectivity.TRANSIENT_FAILURE, + fourth_connectivities) + self.assertNotIn( + grpc.ChannelConnectivity.FATAL_FAILURE, fourth_connectivities) + + def test_reachable_then_unreachable_channel_connectivity(self): + server = _server.Server((), futures.ThreadPoolExecutor(max_workers=0)) + port = server.add_insecure_port('[::]:0') + server.start() + callback = _Callback() + + channel = _channel.Channel('localhost:{}'.format(port), None, None) + channel.subscribe(callback.update, try_to_connect=True) + callback.block_until_connectivities_satisfy(_ready_in_connectivities) + # Now take down the server and confirm that channel readiness is repudiated. + server.stop(None) + callback.block_until_connectivities_satisfy(_last_connectivity_is_not_ready) + channel.unsubscribe(callback.update) + + +if __name__ == '__main__': + unittest.main(verbosity=2) diff --git a/src/python/grpcio/tests/unit/_channel_ready_future_test.py b/src/python/grpcio/tests/unit/_channel_ready_future_test.py new file mode 100644 index 0000000000..b84bc0197a --- /dev/null +++ b/src/python/grpcio/tests/unit/_channel_ready_future_test.py @@ -0,0 +1,103 @@ +# 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. + +"""Tests of grpc.channel_ready_future.""" + +import threading +import unittest +from concurrent import futures + +import grpc +from grpc import _channel +from grpc import _server +from tests.unit.framework.common import test_constants + + +class _Callback(object): + + def __init__(self): + self._condition = threading.Condition() + self._value = None + + def accept_value(self, value): + with self._condition: + self._value = value + self._condition.notify_all() + + def block_until_called(self): + with self._condition: + while self._value is None: + self._condition.wait() + return self._value + + +class ChannelReadyFutureTest(unittest.TestCase): + + def test_lonely_channel_connectivity(self): + channel = grpc.insecure_channel('localhost:12345') + callback = _Callback() + + ready_future = grpc.channel_ready_future(channel) + ready_future.add_done_callback(callback.accept_value) + with self.assertRaises(grpc.FutureTimeoutError): + ready_future.result(test_constants.SHORT_TIMEOUT) + self.assertFalse(ready_future.cancelled()) + self.assertFalse(ready_future.done()) + self.assertTrue(ready_future.running()) + ready_future.cancel() + value_passed_to_callback = callback.block_until_called() + self.assertIs(ready_future, value_passed_to_callback) + self.assertTrue(ready_future.cancelled()) + self.assertTrue(ready_future.done()) + self.assertFalse(ready_future.running()) + + def test_immediately_connectable_channel_connectivity(self): + server = _server.Server((), futures.ThreadPoolExecutor(max_workers=0)) + port = server.add_insecure_port('[::]:0') + server.start() + channel = grpc.insecure_channel('localhost:{}'.format(port)) + callback = _Callback() + + ready_future = grpc.channel_ready_future(channel) + ready_future.add_done_callback(callback.accept_value) + self.assertIsNone(ready_future.result(test_constants.SHORT_TIMEOUT)) + value_passed_to_callback = callback.block_until_called() + self.assertIs(ready_future, value_passed_to_callback) + self.assertFalse(ready_future.cancelled()) + self.assertTrue(ready_future.done()) + self.assertFalse(ready_future.running()) + # Cancellation after maturity has no effect. + ready_future.cancel() + self.assertFalse(ready_future.cancelled()) + self.assertTrue(ready_future.done()) + self.assertFalse(ready_future.running()) + + +if __name__ == '__main__': + unittest.main(verbosity=2) diff --git a/src/python/grpcio/tests/unit/_rpc_test.py b/src/python/grpcio/tests/unit/_rpc_test.py new file mode 100644 index 0000000000..1c7a14c5d0 --- /dev/null +++ b/src/python/grpcio/tests/unit/_rpc_test.py @@ -0,0 +1,775 @@ +# Copyright 2016, 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 of gRPC Python's application-layer API.""" + +import itertools +import threading +import unittest +from concurrent import futures + +import grpc +from grpc.framework.foundation import logging_pool + +from tests.unit.framework.common import test_constants +from tests.unit.framework.common import test_control + +_SERIALIZE_REQUEST = lambda bytestring: bytestring * 2 +_DESERIALIZE_REQUEST = lambda bytestring: bytestring[len(bytestring) / 2:] +_SERIALIZE_RESPONSE = lambda bytestring: bytestring * 3 +_DESERIALIZE_RESPONSE = lambda bytestring: bytestring[:len(bytestring) / 3] + +_UNARY_UNARY = b'/test/UnaryUnary' +_UNARY_STREAM = b'/test/UnaryStream' +_STREAM_UNARY = b'/test/StreamUnary' +_STREAM_STREAM = b'/test/StreamStream' + + +class _Callback(object): + + def __init__(self): + self._condition = threading.Condition() + self._value = None + self._called = False + + def __call__(self, value): + with self._condition: + self._value = value + self._called = True + self._condition.notify_all() + + def value(self): + with self._condition: + while not self._called: + self._condition.wait() + return self._value + + +class _Handler(object): + + def __init__(self, control): + self._control = control + + def handle_unary_unary(self, request, servicer_context): + self._control.control() + if servicer_context is not None: + servicer_context.set_trailing_metadata(((b'testkey', b'testvalue',),)) + return request + + def handle_unary_stream(self, request, servicer_context): + for _ in range(test_constants.STREAM_LENGTH): + self._control.control() + yield request + self._control.control() + if servicer_context is not None: + servicer_context.set_trailing_metadata(((b'testkey', b'testvalue',),)) + + def handle_stream_unary(self, request_iterator, servicer_context): + if servicer_context is not None: + servicer_context.invocation_metadata() + self._control.control() + response_elements = [] + for request in request_iterator: + self._control.control() + response_elements.append(request) + self._control.control() + if servicer_context is not None: + servicer_context.set_trailing_metadata(((b'testkey', b'testvalue',),)) + return b''.join(response_elements) + + def handle_stream_stream(self, request_iterator, servicer_context): + self._control.control() + if servicer_context is not None: + servicer_context.set_trailing_metadata(((b'testkey', b'testvalue',),)) + for request in request_iterator: + self._control.control() + yield request + self._control.control() + + +class _MethodHandler(grpc.RpcMethodHandler): + + def __init__( + self, request_streaming, response_streaming, request_deserializer, + response_serializer, unary_unary, unary_stream, stream_unary, + stream_stream): + self.request_streaming = request_streaming + self.response_streaming = response_streaming + self.request_deserializer = request_deserializer + self.response_serializer = response_serializer + self.unary_unary = unary_unary + self.unary_stream = unary_stream + self.stream_unary = stream_unary + self.stream_stream = stream_stream + + +class _GenericHandler(grpc.GenericRpcHandler): + + def __init__(self, handler): + self._handler = handler + + def service(self, handler_call_details): + if handler_call_details.method == _UNARY_UNARY: + return _MethodHandler( + False, False, None, None, self._handler.handle_unary_unary, None, + None, None) + elif handler_call_details.method == _UNARY_STREAM: + return _MethodHandler( + False, True, _DESERIALIZE_REQUEST, _SERIALIZE_RESPONSE, None, + self._handler.handle_unary_stream, None, None) + elif handler_call_details.method == _STREAM_UNARY: + return _MethodHandler( + True, False, _DESERIALIZE_REQUEST, _SERIALIZE_RESPONSE, None, None, + self._handler.handle_stream_unary, None) + elif handler_call_details.method == _STREAM_STREAM: + return _MethodHandler( + True, True, None, None, None, None, None, + self._handler.handle_stream_stream) + else: + return None + + +def _unary_unary_multi_callable(channel): + return channel.unary_unary(_UNARY_UNARY) + + +def _unary_stream_multi_callable(channel): + return channel.unary_stream( + _UNARY_STREAM, + request_serializer=_SERIALIZE_REQUEST, + response_deserializer=_DESERIALIZE_RESPONSE) + + +def _stream_unary_multi_callable(channel): + return channel.stream_unary( + _STREAM_UNARY, + request_serializer=_SERIALIZE_REQUEST, + response_deserializer=_DESERIALIZE_RESPONSE) + + +def _stream_stream_multi_callable(channel): + return channel.stream_stream(_STREAM_STREAM) + + +class RPCTest(unittest.TestCase): + + def setUp(self): + self._control = test_control.PauseFailControl() + self._handler = _Handler(self._control) + self._server_pool = logging_pool.pool(test_constants.THREAD_CONCURRENCY) + + self._server = grpc.server((), self._server_pool) + port = self._server.add_insecure_port(b'[::]:0') + self._server.add_generic_rpc_handlers((_GenericHandler(self._handler),)) + self._server.start() + + self._channel = grpc.insecure_channel(b'localhost:%d' % port) + + # TODO(nathaniel): Why is this necessary, and only in some development + # environments? + def tearDown(self): + del self._channel + del self._server + del self._server_pool + + def testUnrecognizedMethod(self): + request = b'abc' + + with self.assertRaises(grpc.RpcError) as exception_context: + self._channel.unary_unary(b'NoSuchMethod')(request) + + self.assertEqual( + grpc.StatusCode.UNIMPLEMENTED, exception_context.exception.code()) + + def testSuccessfulUnaryRequestBlockingUnaryResponse(self): + request = b'\x07\x08' + expected_response = self._handler.handle_unary_unary(request, None) + + multi_callable = _unary_unary_multi_callable(self._channel) + response = multi_callable( + request, metadata=( + (b'test', b'SuccessfulUnaryRequestBlockingUnaryResponse'),)) + + self.assertEqual(expected_response, response) + + def testSuccessfulUnaryRequestBlockingUnaryResponseWithCall(self): + request = b'\x07\x08' + expected_response = self._handler.handle_unary_unary(request, None) + + multi_callable = _unary_unary_multi_callable(self._channel) + response, call = multi_callable( + request, metadata=( + (b'test', b'SuccessfulUnaryRequestBlockingUnaryResponseWithCall'),), + with_call=True) + + self.assertEqual(expected_response, response) + self.assertIs(grpc.StatusCode.OK, call.code()) + + def testSuccessfulUnaryRequestFutureUnaryResponse(self): + request = b'\x07\x08' + expected_response = self._handler.handle_unary_unary(request, None) + + multi_callable = _unary_unary_multi_callable(self._channel) + response_future = multi_callable.future( + request, metadata=( + (b'test', b'SuccessfulUnaryRequestFutureUnaryResponse'),)) + response = response_future.result() + + self.assertEqual(expected_response, response) + + def testSuccessfulUnaryRequestStreamResponse(self): + request = b'\x37\x58' + expected_responses = tuple(self._handler.handle_unary_stream(request, None)) + + multi_callable = _unary_stream_multi_callable(self._channel) + response_iterator = multi_callable( + request, + metadata=((b'test', b'SuccessfulUnaryRequestStreamResponse'),)) + responses = tuple(response_iterator) + + self.assertSequenceEqual(expected_responses, responses) + + def testSuccessfulStreamRequestBlockingUnaryResponse(self): + requests = tuple(b'\x07\x08' for _ in range(test_constants.STREAM_LENGTH)) + expected_response = self._handler.handle_stream_unary(iter(requests), None) + request_iterator = iter(requests) + + multi_callable = _stream_unary_multi_callable(self._channel) + response = multi_callable( + request_iterator, + metadata=((b'test', b'SuccessfulStreamRequestBlockingUnaryResponse'),)) + + self.assertEqual(expected_response, response) + + def testSuccessfulStreamRequestBlockingUnaryResponseWithCall(self): + requests = tuple(b'\x07\x08' for _ in range(test_constants.STREAM_LENGTH)) + expected_response = self._handler.handle_stream_unary(iter(requests), None) + request_iterator = iter(requests) + + multi_callable = _stream_unary_multi_callable(self._channel) + response, call = multi_callable( + request_iterator, + metadata=( + (b'test', b'SuccessfulStreamRequestBlockingUnaryResponseWithCall'), + ), with_call=True) + + self.assertEqual(expected_response, response) + self.assertIs(grpc.StatusCode.OK, call.code()) + + def testSuccessfulStreamRequestFutureUnaryResponse(self): + requests = tuple(b'\x07\x08' for _ in range(test_constants.STREAM_LENGTH)) + expected_response = self._handler.handle_stream_unary(iter(requests), None) + request_iterator = iter(requests) + + multi_callable = _stream_unary_multi_callable(self._channel) + response_future = multi_callable.future( + request_iterator, + metadata=( + (b'test', b'SuccessfulStreamRequestFutureUnaryResponse'),)) + response = response_future.result() + + self.assertEqual(expected_response, response) + + def testSuccessfulStreamRequestStreamResponse(self): + requests = tuple(b'\x77\x58' for _ in range(test_constants.STREAM_LENGTH)) + expected_responses = tuple( + self._handler.handle_stream_stream(iter(requests), None)) + request_iterator = iter(requests) + + multi_callable = _stream_stream_multi_callable(self._channel) + response_iterator = multi_callable( + request_iterator, + metadata=((b'test', b'SuccessfulStreamRequestStreamResponse'),)) + responses = tuple(response_iterator) + + self.assertSequenceEqual(expected_responses, responses) + + def testSequentialInvocations(self): + first_request = b'\x07\x08' + second_request = b'\x0809' + expected_first_response = self._handler.handle_unary_unary( + first_request, None) + expected_second_response = self._handler.handle_unary_unary( + second_request, None) + + multi_callable = _unary_unary_multi_callable(self._channel) + first_response = multi_callable( + first_request, metadata=((b'test', b'SequentialInvocations'),)) + second_response = multi_callable( + second_request, metadata=((b'test', b'SequentialInvocations'),)) + + self.assertEqual(expected_first_response, first_response) + self.assertEqual(expected_second_response, second_response) + + def testConcurrentBlockingInvocations(self): + pool = logging_pool.pool(test_constants.THREAD_CONCURRENCY) + requests = tuple(b'\x07\x08' for _ in range(test_constants.STREAM_LENGTH)) + expected_response = self._handler.handle_stream_unary(iter(requests), None) + expected_responses = [expected_response] * test_constants.THREAD_CONCURRENCY + response_futures = [None] * test_constants.THREAD_CONCURRENCY + + multi_callable = _stream_unary_multi_callable(self._channel) + for index in range(test_constants.THREAD_CONCURRENCY): + request_iterator = iter(requests) + response_future = pool.submit( + multi_callable, request_iterator, + metadata=((b'test', b'ConcurrentBlockingInvocations'),)) + response_futures[index] = response_future + responses = tuple( + response_future.result() for response_future in response_futures) + + pool.shutdown(wait=True) + self.assertSequenceEqual(expected_responses, responses) + + def testConcurrentFutureInvocations(self): + requests = tuple(b'\x07\x08' for _ in range(test_constants.STREAM_LENGTH)) + expected_response = self._handler.handle_stream_unary(iter(requests), None) + expected_responses = [expected_response] * test_constants.THREAD_CONCURRENCY + response_futures = [None] * test_constants.THREAD_CONCURRENCY + + multi_callable = _stream_unary_multi_callable(self._channel) + for index in range(test_constants.THREAD_CONCURRENCY): + request_iterator = iter(requests) + response_future = multi_callable.future( + request_iterator, + metadata=((b'test', b'ConcurrentFutureInvocations'),)) + response_futures[index] = response_future + responses = tuple( + response_future.result() for response_future in response_futures) + + self.assertSequenceEqual(expected_responses, responses) + + def testWaitingForSomeButNotAllConcurrentFutureInvocations(self): + pool = logging_pool.pool(test_constants.THREAD_CONCURRENCY) + request = b'\x67\x68' + expected_response = self._handler.handle_unary_unary(request, None) + response_futures = [None] * test_constants.THREAD_CONCURRENCY + lock = threading.Lock() + test_is_running_cell = [True] + def wrap_future(future): + def wrap(): + try: + return future.result() + except grpc.RpcError: + with lock: + if test_is_running_cell[0]: + raise + return None + return wrap + + multi_callable = _unary_unary_multi_callable(self._channel) + for index in range(test_constants.THREAD_CONCURRENCY): + inner_response_future = multi_callable.future( + request, + metadata=( + (b'test', + b'WaitingForSomeButNotAllConcurrentFutureInvocations'),)) + outer_response_future = pool.submit(wrap_future(inner_response_future)) + response_futures[index] = outer_response_future + + some_completed_response_futures_iterator = itertools.islice( + futures.as_completed(response_futures), + test_constants.THREAD_CONCURRENCY // 2) + for response_future in some_completed_response_futures_iterator: + self.assertEqual(expected_response, response_future.result()) + with lock: + test_is_running_cell[0] = False + + def testConsumingOneStreamResponseUnaryRequest(self): + request = b'\x57\x38' + + multi_callable = _unary_stream_multi_callable(self._channel) + response_iterator = multi_callable( + request, + metadata=( + (b'test', b'ConsumingOneStreamResponseUnaryRequest'),)) + next(response_iterator) + + def testConsumingSomeButNotAllStreamResponsesUnaryRequest(self): + request = b'\x57\x38' + + multi_callable = _unary_stream_multi_callable(self._channel) + response_iterator = multi_callable( + request, + metadata=( + (b'test', b'ConsumingSomeButNotAllStreamResponsesUnaryRequest'),)) + for _ in range(test_constants.STREAM_LENGTH // 2): + next(response_iterator) + + def testConsumingSomeButNotAllStreamResponsesStreamRequest(self): + requests = tuple(b'\x67\x88' for _ in range(test_constants.STREAM_LENGTH)) + request_iterator = iter(requests) + + multi_callable = _stream_stream_multi_callable(self._channel) + response_iterator = multi_callable( + request_iterator, + metadata=( + (b'test', b'ConsumingSomeButNotAllStreamResponsesStreamRequest'),)) + for _ in range(test_constants.STREAM_LENGTH // 2): + next(response_iterator) + + def testConsumingTooManyStreamResponsesStreamRequest(self): + requests = tuple(b'\x67\x88' for _ in range(test_constants.STREAM_LENGTH)) + request_iterator = iter(requests) + + multi_callable = _stream_stream_multi_callable(self._channel) + response_iterator = multi_callable( + request_iterator, + metadata=( + (b'test', b'ConsumingTooManyStreamResponsesStreamRequest'),)) + for _ in range(test_constants.STREAM_LENGTH): + next(response_iterator) + for _ in range(test_constants.STREAM_LENGTH): + with self.assertRaises(StopIteration): + next(response_iterator) + + self.assertIsNotNone(response_iterator.initial_metadata()) + self.assertIs(grpc.StatusCode.OK, response_iterator.code()) + self.assertIsNotNone(response_iterator.details()) + self.assertIsNotNone(response_iterator.trailing_metadata()) + + def testCancelledUnaryRequestUnaryResponse(self): + request = b'\x07\x17' + + multi_callable = _unary_unary_multi_callable(self._channel) + with self._control.pause(): + response_future = multi_callable.future( + request, + metadata=((b'test', b'CancelledUnaryRequestUnaryResponse'),)) + response_future.cancel() + + self.assertTrue(response_future.cancelled()) + with self.assertRaises(grpc.FutureCancelledError): + response_future.result() + self.assertIs(grpc.StatusCode.CANCELLED, response_future.code()) + + def testCancelledUnaryRequestStreamResponse(self): + request = b'\x07\x19' + + multi_callable = _unary_stream_multi_callable(self._channel) + with self._control.pause(): + response_iterator = multi_callable( + request, + metadata=((b'test', b'CancelledUnaryRequestStreamResponse'),)) + self._control.block_until_paused() + response_iterator.cancel() + + with self.assertRaises(grpc.RpcError) as exception_context: + next(response_iterator) + self.assertIs(grpc.StatusCode.CANCELLED, exception_context.exception.code()) + self.assertIsNotNone(response_iterator.initial_metadata()) + self.assertIs(grpc.StatusCode.CANCELLED, response_iterator.code()) + self.assertIsNotNone(response_iterator.details()) + self.assertIsNotNone(response_iterator.trailing_metadata()) + + def testCancelledStreamRequestUnaryResponse(self): + requests = tuple(b'\x07\x08' for _ in range(test_constants.STREAM_LENGTH)) + request_iterator = iter(requests) + + multi_callable = _stream_unary_multi_callable(self._channel) + with self._control.pause(): + response_future = multi_callable.future( + request_iterator, + metadata=((b'test', b'CancelledStreamRequestUnaryResponse'),)) + self._control.block_until_paused() + response_future.cancel() + + self.assertTrue(response_future.cancelled()) + with self.assertRaises(grpc.FutureCancelledError): + response_future.result() + self.assertIsNotNone(response_future.initial_metadata()) + self.assertIs(grpc.StatusCode.CANCELLED, response_future.code()) + self.assertIsNotNone(response_future.details()) + self.assertIsNotNone(response_future.trailing_metadata()) + + def testCancelledStreamRequestStreamResponse(self): + requests = tuple(b'\x07\x08' for _ in range(test_constants.STREAM_LENGTH)) + request_iterator = iter(requests) + + multi_callable = _stream_stream_multi_callable(self._channel) + with self._control.pause(): + response_iterator = multi_callable( + request_iterator, + metadata=((b'test', b'CancelledStreamRequestStreamResponse'),)) + response_iterator.cancel() + + with self.assertRaises(grpc.RpcError): + next(response_iterator) + self.assertIsNotNone(response_iterator.initial_metadata()) + self.assertIs(grpc.StatusCode.CANCELLED, response_iterator.code()) + self.assertIsNotNone(response_iterator.details()) + self.assertIsNotNone(response_iterator.trailing_metadata()) + + def testExpiredUnaryRequestBlockingUnaryResponse(self): + request = b'\x07\x17' + + multi_callable = _unary_unary_multi_callable(self._channel) + with self._control.pause(): + with self.assertRaises(grpc.RpcError) as exception_context: + multi_callable( + request, timeout=test_constants.SHORT_TIMEOUT, + metadata=((b'test', b'ExpiredUnaryRequestBlockingUnaryResponse'),), + with_call=True) + + self.assertIsNotNone(exception_context.exception.initial_metadata()) + self.assertIs( + grpc.StatusCode.DEADLINE_EXCEEDED, exception_context.exception.code()) + self.assertIsNotNone(exception_context.exception.details()) + self.assertIsNotNone(exception_context.exception.trailing_metadata()) + + def testExpiredUnaryRequestFutureUnaryResponse(self): + request = b'\x07\x17' + callback = _Callback() + + multi_callable = _unary_unary_multi_callable(self._channel) + with self._control.pause(): + response_future = multi_callable.future( + request, timeout=test_constants.SHORT_TIMEOUT, + metadata=((b'test', b'ExpiredUnaryRequestFutureUnaryResponse'),)) + response_future.add_done_callback(callback) + value_passed_to_callback = callback.value() + + self.assertIs(response_future, value_passed_to_callback) + self.assertIsNotNone(response_future.initial_metadata()) + self.assertIs(grpc.StatusCode.DEADLINE_EXCEEDED, response_future.code()) + self.assertIsNotNone(response_future.details()) + self.assertIsNotNone(response_future.trailing_metadata()) + with self.assertRaises(grpc.RpcError) as exception_context: + response_future.result() + self.assertIs( + grpc.StatusCode.DEADLINE_EXCEEDED, exception_context.exception.code()) + self.assertIsInstance(response_future.exception(), grpc.RpcError) + self.assertIs( + grpc.StatusCode.DEADLINE_EXCEEDED, response_future.exception().code()) + + def testExpiredUnaryRequestStreamResponse(self): + request = b'\x07\x19' + + multi_callable = _unary_stream_multi_callable(self._channel) + with self._control.pause(): + with self.assertRaises(grpc.RpcError) as exception_context: + response_iterator = multi_callable( + request, timeout=test_constants.SHORT_TIMEOUT, + metadata=((b'test', b'ExpiredUnaryRequestStreamResponse'),)) + next(response_iterator) + + self.assertIs( + grpc.StatusCode.DEADLINE_EXCEEDED, exception_context.exception.code()) + self.assertIs(grpc.StatusCode.DEADLINE_EXCEEDED, response_iterator.code()) + + def testExpiredStreamRequestBlockingUnaryResponse(self): + requests = tuple(b'\x07\x08' for _ in range(test_constants.STREAM_LENGTH)) + request_iterator = iter(requests) + + multi_callable = _stream_unary_multi_callable(self._channel) + with self._control.pause(): + with self.assertRaises(grpc.RpcError) as exception_context: + multi_callable( + request_iterator, timeout=test_constants.SHORT_TIMEOUT, + metadata=((b'test', b'ExpiredStreamRequestBlockingUnaryResponse'),)) + + self.assertIsNotNone(exception_context.exception.initial_metadata()) + self.assertIs( + grpc.StatusCode.DEADLINE_EXCEEDED, exception_context.exception.code()) + self.assertIsNotNone(exception_context.exception.details()) + self.assertIsNotNone(exception_context.exception.trailing_metadata()) + + def testExpiredStreamRequestFutureUnaryResponse(self): + requests = tuple(b'\x07\x18' for _ in range(test_constants.STREAM_LENGTH)) + request_iterator = iter(requests) + callback = _Callback() + + multi_callable = _stream_unary_multi_callable(self._channel) + with self._control.pause(): + response_future = multi_callable.future( + request_iterator, timeout=test_constants.SHORT_TIMEOUT, + metadata=((b'test', b'ExpiredStreamRequestFutureUnaryResponse'),)) + response_future.add_done_callback(callback) + value_passed_to_callback = callback.value() + + with self.assertRaises(grpc.RpcError) as exception_context: + response_future.result() + self.assertIs(grpc.StatusCode.DEADLINE_EXCEEDED, response_future.code()) + self.assertIs( + grpc.StatusCode.DEADLINE_EXCEEDED, exception_context.exception.code()) + self.assertIsInstance(response_future.exception(), grpc.RpcError) + self.assertIs(response_future, value_passed_to_callback) + self.assertIsNotNone(response_future.initial_metadata()) + self.assertIs(grpc.StatusCode.DEADLINE_EXCEEDED, response_future.code()) + self.assertIsNotNone(response_future.details()) + self.assertIsNotNone(response_future.trailing_metadata()) + + def testExpiredStreamRequestStreamResponse(self): + requests = tuple(b'\x67\x18' for _ in range(test_constants.STREAM_LENGTH)) + request_iterator = iter(requests) + + multi_callable = _stream_stream_multi_callable(self._channel) + with self._control.pause(): + with self.assertRaises(grpc.RpcError) as exception_context: + response_iterator = multi_callable( + request_iterator, timeout=test_constants.SHORT_TIMEOUT, + metadata=((b'test', b'ExpiredStreamRequestStreamResponse'),)) + next(response_iterator) + + self.assertIs( + grpc.StatusCode.DEADLINE_EXCEEDED, exception_context.exception.code()) + self.assertIs(grpc.StatusCode.DEADLINE_EXCEEDED, response_iterator.code()) + + def testFailedUnaryRequestBlockingUnaryResponse(self): + request = b'\x37\x17' + + multi_callable = _unary_unary_multi_callable(self._channel) + with self._control.fail(): + with self.assertRaises(grpc.RpcError) as exception_context: + multi_callable( + request, + metadata=((b'test', b'FailedUnaryRequestBlockingUnaryResponse'),), + with_call=True) + + self.assertIs(grpc.StatusCode.UNKNOWN, exception_context.exception.code()) + + def testFailedUnaryRequestFutureUnaryResponse(self): + request = b'\x37\x17' + callback = _Callback() + + multi_callable = _unary_unary_multi_callable(self._channel) + with self._control.fail(): + response_future = multi_callable.future( + request, + metadata=((b'test', b'FailedUnaryRequestFutureUnaryResponse'),)) + response_future.add_done_callback(callback) + value_passed_to_callback = callback.value() + + with self.assertRaises(grpc.RpcError) as exception_context: + response_future.result() + self.assertIs( + grpc.StatusCode.UNKNOWN, exception_context.exception.code()) + self.assertIsInstance(response_future.exception(), grpc.RpcError) + self.assertIs(grpc.StatusCode.UNKNOWN, response_future.exception().code()) + self.assertIs(response_future, value_passed_to_callback) + + def testFailedUnaryRequestStreamResponse(self): + request = b'\x37\x17' + + multi_callable = _unary_stream_multi_callable(self._channel) + with self.assertRaises(grpc.RpcError) as exception_context: + with self._control.fail(): + response_iterator = multi_callable( + request, + metadata=((b'test', b'FailedUnaryRequestStreamResponse'),)) + next(response_iterator) + + self.assertIs(grpc.StatusCode.UNKNOWN, exception_context.exception.code()) + + def testFailedStreamRequestBlockingUnaryResponse(self): + requests = tuple(b'\x47\x58' for _ in range(test_constants.STREAM_LENGTH)) + request_iterator = iter(requests) + + multi_callable = _stream_unary_multi_callable(self._channel) + with self._control.fail(): + with self.assertRaises(grpc.RpcError) as exception_context: + multi_callable( + request_iterator, + metadata=((b'test', b'FailedStreamRequestBlockingUnaryResponse'),)) + + self.assertIs(grpc.StatusCode.UNKNOWN, exception_context.exception.code()) + + def testFailedStreamRequestFutureUnaryResponse(self): + requests = tuple(b'\x07\x18' for _ in range(test_constants.STREAM_LENGTH)) + request_iterator = iter(requests) + callback = _Callback() + + multi_callable = _stream_unary_multi_callable(self._channel) + with self._control.fail(): + response_future = multi_callable.future( + request_iterator, + metadata=((b'test', b'FailedStreamRequestFutureUnaryResponse'),)) + response_future.add_done_callback(callback) + value_passed_to_callback = callback.value() + + with self.assertRaises(grpc.RpcError) as exception_context: + response_future.result() + self.assertIs(grpc.StatusCode.UNKNOWN, response_future.code()) + self.assertIs( + grpc.StatusCode.UNKNOWN, exception_context.exception.code()) + self.assertIsInstance(response_future.exception(), grpc.RpcError) + self.assertIs(response_future, value_passed_to_callback) + + def testFailedStreamRequestStreamResponse(self): + requests = tuple(b'\x67\x88' for _ in range(test_constants.STREAM_LENGTH)) + request_iterator = iter(requests) + + multi_callable = _stream_stream_multi_callable(self._channel) + with self._control.fail(): + with self.assertRaises(grpc.RpcError) as exception_context: + response_iterator = multi_callable( + request_iterator, + metadata=((b'test', b'FailedStreamRequestStreamResponse'),)) + tuple(response_iterator) + + self.assertIs(grpc.StatusCode.UNKNOWN, exception_context.exception.code()) + self.assertIs(grpc.StatusCode.UNKNOWN, response_iterator.code()) + + def testIgnoredUnaryRequestFutureUnaryResponse(self): + request = b'\x37\x17' + + multi_callable = _unary_unary_multi_callable(self._channel) + multi_callable.future( + request, + metadata=((b'test', b'IgnoredUnaryRequestFutureUnaryResponse'),)) + + def testIgnoredUnaryRequestStreamResponse(self): + request = b'\x37\x17' + + multi_callable = _unary_stream_multi_callable(self._channel) + multi_callable( + request, + metadata=((b'test', b'IgnoredUnaryRequestStreamResponse'),)) + + def testIgnoredStreamRequestFutureUnaryResponse(self): + requests = tuple(b'\x07\x18' for _ in range(test_constants.STREAM_LENGTH)) + request_iterator = iter(requests) + + multi_callable = _stream_unary_multi_callable(self._channel) + multi_callable.future( + request_iterator, + metadata=((b'test', b'IgnoredStreamRequestFutureUnaryResponse'),)) + + def testIgnoredStreamRequestStreamResponse(self): + requests = tuple(b'\x67\x88' for _ in range(test_constants.STREAM_LENGTH)) + request_iterator = iter(requests) + + multi_callable = _stream_stream_multi_callable(self._channel) + multi_callable( + request_iterator, + metadata=((b'test', b'IgnoredStreamRequestStreamResponse'),)) + + +if __name__ == '__main__': + unittest.main(verbosity=2) diff --git a/src/python/grpcio/tests/unit/framework/common/test_control.py b/src/python/grpcio/tests/unit/framework/common/test_control.py index ca5ba3a854..088e2f8b88 100644 --- a/src/python/grpcio/tests/unit/framework/common/test_control.py +++ b/src/python/grpcio/tests/unit/framework/common/test_control.py @@ -60,10 +60,16 @@ class Control(six.with_metaclass(abc.ABCMeta)): class PauseFailControl(Control): - """A Control that can be used to pause or fail code under control.""" + """A Control that can be used to pause or fail code under control. + + This object is only safe for use from two threads: one of the system under + test calling control and the other from the test system calling pause, + block_until_paused, and fail. + """ def __init__(self): self._condition = threading.Condition() + self._pause = False self._paused = False self._fail = False @@ -72,19 +78,31 @@ class PauseFailControl(Control): if self._fail: raise Defect() - while self._paused: + while self._pause: + self._paused = True + self._condition.notify_all() self._condition.wait() + self._paused = False @contextlib.contextmanager def pause(self): """Pauses code under control while controlling code is in context.""" with self._condition: - self._paused = True + self._pause = True yield with self._condition: - self._paused = False + self._pause = False self._condition.notify_all() + def block_until_paused(self): + """Blocks controlling code until code under control is paused. + + May only be called within the context of a pause call. + """ + with self._condition: + while not self._paused: + self._condition.wait() + @contextlib.contextmanager def fail(self): """Fails code under control while controlling code is in context.""" |