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-rw-r--r--src/python/grpcio/tests/tests.json3
-rw-r--r--src/python/grpcio/tests/unit/_channel_connectivity_test.py161
-rw-r--r--src/python/grpcio/tests/unit/_channel_ready_future_test.py103
-rw-r--r--src/python/grpcio/tests/unit/_rpc_test.py775
-rw-r--r--src/python/grpcio/tests/unit/framework/common/test_control.py26
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."""