diff options
Diffstat (limited to 'src/python/grpcio_tests/tests/protoc_plugin/_python_plugin_test.py')
| -rw-r--r-- | src/python/grpcio_tests/tests/protoc_plugin/_python_plugin_test.py | 754 |
1 files changed, 379 insertions, 375 deletions
diff --git a/src/python/grpcio_tests/tests/protoc_plugin/_python_plugin_test.py b/src/python/grpcio_tests/tests/protoc_plugin/_python_plugin_test.py index 7ca2bcff38..ae5da2c3db 100644 --- a/src/python/grpcio_tests/tests/protoc_plugin/_python_plugin_test.py +++ b/src/python/grpcio_tests/tests/protoc_plugin/_python_plugin_test.py @@ -58,436 +58,440 @@ ADD_SERVICER_TO_SERVER_IDENTIFIER = 'add_TestServiceServicer_to_server' class _ServicerMethods(object): - def __init__(self): - self._condition = threading.Condition() - self._paused = False - self._fail = False - - @contextlib.contextmanager - def pause(self): # pylint: disable=invalid-name - with self._condition: - self._paused = True - yield - with self._condition: - self._paused = False - self._condition.notify_all() - - @contextlib.contextmanager - def fail(self): # pylint: disable=invalid-name - with self._condition: - self._fail = True - yield - with self._condition: - self._fail = False - - def _control(self): # pylint: disable=invalid-name - with self._condition: - if self._fail: - raise ValueError() - while self._paused: - self._condition.wait() - - def UnaryCall(self, request, unused_rpc_context): - response = response_pb2.SimpleResponse() - response.payload.payload_type = payload_pb2.COMPRESSABLE - response.payload.payload_compressable = 'a' * request.response_size - self._control() - return response - - def StreamingOutputCall(self, request, unused_rpc_context): - for parameter in request.response_parameters: - response = response_pb2.StreamingOutputCallResponse() - response.payload.payload_type = payload_pb2.COMPRESSABLE - response.payload.payload_compressable = 'a' * parameter.size - self._control() - yield response - - def StreamingInputCall(self, request_iter, unused_rpc_context): - response = response_pb2.StreamingInputCallResponse() - aggregated_payload_size = 0 - for request in request_iter: - aggregated_payload_size += len(request.payload.payload_compressable) - response.aggregated_payload_size = aggregated_payload_size - self._control() - return response - - def FullDuplexCall(self, request_iter, unused_rpc_context): - for request in request_iter: - for parameter in request.response_parameters: - response = response_pb2.StreamingOutputCallResponse() - response.payload.payload_type = payload_pb2.COMPRESSABLE - response.payload.payload_compressable = 'a' * parameter.size - self._control() - yield response + def __init__(self): + self._condition = threading.Condition() + self._paused = False + self._fail = False + + @contextlib.contextmanager + def pause(self): # pylint: disable=invalid-name + with self._condition: + self._paused = True + yield + with self._condition: + self._paused = False + self._condition.notify_all() - def HalfDuplexCall(self, request_iter, unused_rpc_context): - responses = [] - for request in request_iter: - for parameter in request.response_parameters: - response = response_pb2.StreamingOutputCallResponse() + @contextlib.contextmanager + def fail(self): # pylint: disable=invalid-name + with self._condition: + self._fail = True + yield + with self._condition: + self._fail = False + + def _control(self): # pylint: disable=invalid-name + with self._condition: + if self._fail: + raise ValueError() + while self._paused: + self._condition.wait() + + def UnaryCall(self, request, unused_rpc_context): + response = response_pb2.SimpleResponse() response.payload.payload_type = payload_pb2.COMPRESSABLE - response.payload.payload_compressable = 'a' * parameter.size + response.payload.payload_compressable = 'a' * request.response_size + self._control() + return response + + def StreamingOutputCall(self, request, unused_rpc_context): + for parameter in request.response_parameters: + response = response_pb2.StreamingOutputCallResponse() + response.payload.payload_type = payload_pb2.COMPRESSABLE + response.payload.payload_compressable = 'a' * parameter.size + self._control() + yield response + + def StreamingInputCall(self, request_iter, unused_rpc_context): + response = response_pb2.StreamingInputCallResponse() + aggregated_payload_size = 0 + for request in request_iter: + aggregated_payload_size += len(request.payload.payload_compressable) + response.aggregated_payload_size = aggregated_payload_size self._control() - responses.append(response) - for response in responses: - yield response + return response + + def FullDuplexCall(self, request_iter, unused_rpc_context): + for request in request_iter: + for parameter in request.response_parameters: + response = response_pb2.StreamingOutputCallResponse() + response.payload.payload_type = payload_pb2.COMPRESSABLE + response.payload.payload_compressable = 'a' * parameter.size + self._control() + yield response + + def HalfDuplexCall(self, request_iter, unused_rpc_context): + responses = [] + for request in request_iter: + for parameter in request.response_parameters: + response = response_pb2.StreamingOutputCallResponse() + response.payload.payload_type = payload_pb2.COMPRESSABLE + response.payload.payload_compressable = 'a' * parameter.size + self._control() + responses.append(response) + for response in responses: + yield response class _Service( - collections.namedtuple( - '_Service', ('servicer_methods', 'server', 'stub',))): - """A live and running service. + collections.namedtuple('_Service', ( + 'servicer_methods', + 'server', + 'stub',))): + """A live and running service. Attributes: servicer_methods: The _ServicerMethods servicing RPCs. server: The grpc.Server servicing RPCs. stub: A stub on which to invoke RPCs. """ - + def _CreateService(): - """Provides a servicer backend and a stub. + """Provides a servicer backend and a stub. Returns: A _Service with which to test RPCs. """ - servicer_methods = _ServicerMethods() + servicer_methods = _ServicerMethods() - class Servicer(getattr(service_pb2, SERVICER_IDENTIFIER)): + class Servicer(getattr(service_pb2, SERVICER_IDENTIFIER)): - def UnaryCall(self, request, context): - return servicer_methods.UnaryCall(request, context) + def UnaryCall(self, request, context): + return servicer_methods.UnaryCall(request, context) - def StreamingOutputCall(self, request, context): - return servicer_methods.StreamingOutputCall(request, context) + def StreamingOutputCall(self, request, context): + return servicer_methods.StreamingOutputCall(request, context) - def StreamingInputCall(self, request_iter, context): - return servicer_methods.StreamingInputCall(request_iter, context) + def StreamingInputCall(self, request_iter, context): + return servicer_methods.StreamingInputCall(request_iter, context) - def FullDuplexCall(self, request_iter, context): - return servicer_methods.FullDuplexCall(request_iter, context) + def FullDuplexCall(self, request_iter, context): + return servicer_methods.FullDuplexCall(request_iter, context) - def HalfDuplexCall(self, request_iter, context): - return servicer_methods.HalfDuplexCall(request_iter, context) + def HalfDuplexCall(self, request_iter, context): + return servicer_methods.HalfDuplexCall(request_iter, context) - server = grpc.server( - futures.ThreadPoolExecutor(max_workers=test_constants.POOL_SIZE)) - getattr(service_pb2, ADD_SERVICER_TO_SERVER_IDENTIFIER)(Servicer(), server) - port = server.add_insecure_port('[::]:0') - server.start() - channel = grpc.insecure_channel('localhost:{}'.format(port)) - stub = getattr(service_pb2, STUB_IDENTIFIER)(channel) - return _Service(servicer_methods, server, stub) + server = grpc.server( + futures.ThreadPoolExecutor(max_workers=test_constants.POOL_SIZE)) + getattr(service_pb2, ADD_SERVICER_TO_SERVER_IDENTIFIER)(Servicer(), server) + port = server.add_insecure_port('[::]:0') + server.start() + channel = grpc.insecure_channel('localhost:{}'.format(port)) + stub = getattr(service_pb2, STUB_IDENTIFIER)(channel) + return _Service(servicer_methods, server, stub) def _CreateIncompleteService(): - """Provides a servicer backend that fails to implement methods and its stub. + """Provides a servicer backend that fails to implement methods and its stub. Returns: A _Service with which to test RPCs. The returned _Service's servicer_methods implements none of the methods required of it. """ - class Servicer(getattr(service_pb2, SERVICER_IDENTIFIER)): - pass + class Servicer(getattr(service_pb2, SERVICER_IDENTIFIER)): + pass - server = grpc.server( - futures.ThreadPoolExecutor(max_workers=test_constants.POOL_SIZE)) - getattr(service_pb2, ADD_SERVICER_TO_SERVER_IDENTIFIER)(Servicer(), server) - port = server.add_insecure_port('[::]:0') - server.start() - channel = grpc.insecure_channel('localhost:{}'.format(port)) - stub = getattr(service_pb2, STUB_IDENTIFIER)(channel) - return _Service(None, server, stub) + server = grpc.server( + futures.ThreadPoolExecutor(max_workers=test_constants.POOL_SIZE)) + getattr(service_pb2, ADD_SERVICER_TO_SERVER_IDENTIFIER)(Servicer(), server) + port = server.add_insecure_port('[::]:0') + server.start() + channel = grpc.insecure_channel('localhost:{}'.format(port)) + stub = getattr(service_pb2, STUB_IDENTIFIER)(channel) + return _Service(None, server, stub) def _streaming_input_request_iterator(): - for _ in range(3): - request = request_pb2.StreamingInputCallRequest() - request.payload.payload_type = payload_pb2.COMPRESSABLE - request.payload.payload_compressable = 'a' - yield request + for _ in range(3): + request = request_pb2.StreamingInputCallRequest() + request.payload.payload_type = payload_pb2.COMPRESSABLE + request.payload.payload_compressable = 'a' + yield request def _streaming_output_request(): - request = request_pb2.StreamingOutputCallRequest() - sizes = [1, 2, 3] - request.response_parameters.add(size=sizes[0], interval_us=0) - request.response_parameters.add(size=sizes[1], interval_us=0) - request.response_parameters.add(size=sizes[2], interval_us=0) - return request + request = request_pb2.StreamingOutputCallRequest() + sizes = [1, 2, 3] + request.response_parameters.add(size=sizes[0], interval_us=0) + request.response_parameters.add(size=sizes[1], interval_us=0) + request.response_parameters.add(size=sizes[2], interval_us=0) + return request def _full_duplex_request_iterator(): - request = request_pb2.StreamingOutputCallRequest() - request.response_parameters.add(size=1, interval_us=0) - yield request - request = request_pb2.StreamingOutputCallRequest() - request.response_parameters.add(size=2, interval_us=0) - request.response_parameters.add(size=3, interval_us=0) - yield request + request = request_pb2.StreamingOutputCallRequest() + request.response_parameters.add(size=1, interval_us=0) + yield request + request = request_pb2.StreamingOutputCallRequest() + request.response_parameters.add(size=2, interval_us=0) + request.response_parameters.add(size=3, interval_us=0) + yield request class PythonPluginTest(unittest.TestCase): - """Test case for the gRPC Python protoc-plugin. + """Test case for the gRPC Python protoc-plugin. While reading these tests, remember that the futures API (`stub.method.future()`) only gives futures for the *response-unary* methods and does not exist for response-streaming methods. """ - def testImportAttributes(self): - # check that we can access the generated module and its members. - self.assertIsNotNone( - getattr(service_pb2, STUB_IDENTIFIER, None)) - self.assertIsNotNone( - getattr(service_pb2, SERVICER_IDENTIFIER, None)) - self.assertIsNotNone( - getattr(service_pb2, ADD_SERVICER_TO_SERVER_IDENTIFIER, None)) - - def testUpDown(self): - service = _CreateService() - self.assertIsNotNone(service.servicer_methods) - self.assertIsNotNone(service.server) - self.assertIsNotNone(service.stub) - - def testIncompleteServicer(self): - service = _CreateIncompleteService() - request = request_pb2.SimpleRequest(response_size=13) - with self.assertRaises(grpc.RpcError) as exception_context: - service.stub.UnaryCall(request) - self.assertIs( - exception_context.exception.code(), grpc.StatusCode.UNIMPLEMENTED) - - def testUnaryCall(self): - service = _CreateService() - request = request_pb2.SimpleRequest(response_size=13) - response = service.stub.UnaryCall(request) - expected_response = service.servicer_methods.UnaryCall( - request, 'not a real context!') - self.assertEqual(expected_response, response) - - def testUnaryCallFuture(self): - service = _CreateService() - request = request_pb2.SimpleRequest(response_size=13) - # Check that the call does not block waiting for the server to respond. - with service.servicer_methods.pause(): - response_future = service.stub.UnaryCall.future(request) - response = response_future.result() - expected_response = service.servicer_methods.UnaryCall( - request, 'not a real RpcContext!') - self.assertEqual(expected_response, response) - - def testUnaryCallFutureExpired(self): - service = _CreateService() - request = request_pb2.SimpleRequest(response_size=13) - with service.servicer_methods.pause(): - response_future = service.stub.UnaryCall.future( - request, timeout=test_constants.SHORT_TIMEOUT) - with self.assertRaises(grpc.RpcError) as exception_context: - response_future.result() - self.assertIs( - exception_context.exception.code(), grpc.StatusCode.DEADLINE_EXCEEDED) - self.assertIs(response_future.code(), grpc.StatusCode.DEADLINE_EXCEEDED) - - def testUnaryCallFutureCancelled(self): - service = _CreateService() - request = request_pb2.SimpleRequest(response_size=13) - with service.servicer_methods.pause(): - response_future = service.stub.UnaryCall.future(request) - response_future.cancel() - self.assertTrue(response_future.cancelled()) - self.assertIs(response_future.code(), grpc.StatusCode.CANCELLED) - - def testUnaryCallFutureFailed(self): - service = _CreateService() - request = request_pb2.SimpleRequest(response_size=13) - with service.servicer_methods.fail(): - response_future = service.stub.UnaryCall.future(request) - self.assertIsNotNone(response_future.exception()) - self.assertIs(response_future.code(), grpc.StatusCode.UNKNOWN) - - def testStreamingOutputCall(self): - service = _CreateService() - request = _streaming_output_request() - responses = service.stub.StreamingOutputCall(request) - expected_responses = service.servicer_methods.StreamingOutputCall( - request, 'not a real RpcContext!') - for expected_response, response in moves.zip_longest( - expected_responses, responses): - self.assertEqual(expected_response, response) - - def testStreamingOutputCallExpired(self): - service = _CreateService() - request = _streaming_output_request() - with service.servicer_methods.pause(): - responses = service.stub.StreamingOutputCall( - request, timeout=test_constants.SHORT_TIMEOUT) - with self.assertRaises(grpc.RpcError) as exception_context: - list(responses) - self.assertIs( - exception_context.exception.code(), grpc.StatusCode.DEADLINE_EXCEEDED) - - def testStreamingOutputCallCancelled(self): - service = _CreateService() - request = _streaming_output_request() - responses = service.stub.StreamingOutputCall(request) - next(responses) - responses.cancel() - with self.assertRaises(grpc.RpcError) as exception_context: - next(responses) - self.assertIs(responses.code(), grpc.StatusCode.CANCELLED) - - def testStreamingOutputCallFailed(self): - service = _CreateService() - request = _streaming_output_request() - with service.servicer_methods.fail(): - responses = service.stub.StreamingOutputCall(request) - self.assertIsNotNone(responses) - with self.assertRaises(grpc.RpcError) as exception_context: - next(responses) - self.assertIs(exception_context.exception.code(), grpc.StatusCode.UNKNOWN) - - def testStreamingInputCall(self): - service = _CreateService() - response = service.stub.StreamingInputCall( - _streaming_input_request_iterator()) - expected_response = service.servicer_methods.StreamingInputCall( - _streaming_input_request_iterator(), - 'not a real RpcContext!') - self.assertEqual(expected_response, response) - - def testStreamingInputCallFuture(self): - service = _CreateService() - with service.servicer_methods.pause(): - response_future = service.stub.StreamingInputCall.future( - _streaming_input_request_iterator()) - response = response_future.result() - expected_response = service.servicer_methods.StreamingInputCall( - _streaming_input_request_iterator(), - 'not a real RpcContext!') - self.assertEqual(expected_response, response) - - def testStreamingInputCallFutureExpired(self): - service = _CreateService() - with service.servicer_methods.pause(): - response_future = service.stub.StreamingInputCall.future( - _streaming_input_request_iterator(), - timeout=test_constants.SHORT_TIMEOUT) - with self.assertRaises(grpc.RpcError) as exception_context: - response_future.result() - self.assertIsInstance(response_future.exception(), grpc.RpcError) - self.assertIs( - response_future.exception().code(), grpc.StatusCode.DEADLINE_EXCEEDED) - self.assertIs( - exception_context.exception.code(), grpc.StatusCode.DEADLINE_EXCEEDED) - - def testStreamingInputCallFutureCancelled(self): - service = _CreateService() - with service.servicer_methods.pause(): - response_future = service.stub.StreamingInputCall.future( - _streaming_input_request_iterator()) - response_future.cancel() - self.assertTrue(response_future.cancelled()) - with self.assertRaises(grpc.FutureCancelledError): - response_future.result() - - def testStreamingInputCallFutureFailed(self): - service = _CreateService() - with service.servicer_methods.fail(): - response_future = service.stub.StreamingInputCall.future( - _streaming_input_request_iterator()) - self.assertIsNotNone(response_future.exception()) - self.assertIs(response_future.code(), grpc.StatusCode.UNKNOWN) - - def testFullDuplexCall(self): - service = _CreateService() - responses = service.stub.FullDuplexCall( - _full_duplex_request_iterator()) - expected_responses = service.servicer_methods.FullDuplexCall( - _full_duplex_request_iterator(), - 'not a real RpcContext!') - for expected_response, response in moves.zip_longest( - expected_responses, responses): - self.assertEqual(expected_response, response) - - def testFullDuplexCallExpired(self): - request_iterator = _full_duplex_request_iterator() - service = _CreateService() - with service.servicer_methods.pause(): - responses = service.stub.FullDuplexCall( - request_iterator, timeout=test_constants.SHORT_TIMEOUT) - with self.assertRaises(grpc.RpcError) as exception_context: - list(responses) - self.assertIs( - exception_context.exception.code(), grpc.StatusCode.DEADLINE_EXCEEDED) - - def testFullDuplexCallCancelled(self): - service = _CreateService() - request_iterator = _full_duplex_request_iterator() - responses = service.stub.FullDuplexCall(request_iterator) - next(responses) - responses.cancel() - with self.assertRaises(grpc.RpcError) as exception_context: - next(responses) - self.assertIs( - exception_context.exception.code(), grpc.StatusCode.CANCELLED) - - def testFullDuplexCallFailed(self): - request_iterator = _full_duplex_request_iterator() - service = _CreateService() - with service.servicer_methods.fail(): - responses = service.stub.FullDuplexCall(request_iterator) - with self.assertRaises(grpc.RpcError) as exception_context: + def testImportAttributes(self): + # check that we can access the generated module and its members. + self.assertIsNotNone(getattr(service_pb2, STUB_IDENTIFIER, None)) + self.assertIsNotNone(getattr(service_pb2, SERVICER_IDENTIFIER, None)) + self.assertIsNotNone( + getattr(service_pb2, ADD_SERVICER_TO_SERVER_IDENTIFIER, None)) + + def testUpDown(self): + service = _CreateService() + self.assertIsNotNone(service.servicer_methods) + self.assertIsNotNone(service.server) + self.assertIsNotNone(service.stub) + + def testIncompleteServicer(self): + service = _CreateIncompleteService() + request = request_pb2.SimpleRequest(response_size=13) + with self.assertRaises(grpc.RpcError) as exception_context: + service.stub.UnaryCall(request) + self.assertIs(exception_context.exception.code(), + grpc.StatusCode.UNIMPLEMENTED) + + def testUnaryCall(self): + service = _CreateService() + request = request_pb2.SimpleRequest(response_size=13) + response = service.stub.UnaryCall(request) + expected_response = service.servicer_methods.UnaryCall( + request, 'not a real context!') + self.assertEqual(expected_response, response) + + def testUnaryCallFuture(self): + service = _CreateService() + request = request_pb2.SimpleRequest(response_size=13) + # Check that the call does not block waiting for the server to respond. + with service.servicer_methods.pause(): + response_future = service.stub.UnaryCall.future(request) + response = response_future.result() + expected_response = service.servicer_methods.UnaryCall( + request, 'not a real RpcContext!') + self.assertEqual(expected_response, response) + + def testUnaryCallFutureExpired(self): + service = _CreateService() + request = request_pb2.SimpleRequest(response_size=13) + with service.servicer_methods.pause(): + response_future = service.stub.UnaryCall.future( + request, timeout=test_constants.SHORT_TIMEOUT) + with self.assertRaises(grpc.RpcError) as exception_context: + response_future.result() + self.assertIs(exception_context.exception.code(), + grpc.StatusCode.DEADLINE_EXCEEDED) + self.assertIs(response_future.code(), grpc.StatusCode.DEADLINE_EXCEEDED) + + def testUnaryCallFutureCancelled(self): + service = _CreateService() + request = request_pb2.SimpleRequest(response_size=13) + with service.servicer_methods.pause(): + response_future = service.stub.UnaryCall.future(request) + response_future.cancel() + self.assertTrue(response_future.cancelled()) + self.assertIs(response_future.code(), grpc.StatusCode.CANCELLED) + + def testUnaryCallFutureFailed(self): + service = _CreateService() + request = request_pb2.SimpleRequest(response_size=13) + with service.servicer_methods.fail(): + response_future = service.stub.UnaryCall.future(request) + self.assertIsNotNone(response_future.exception()) + self.assertIs(response_future.code(), grpc.StatusCode.UNKNOWN) + + def testStreamingOutputCall(self): + service = _CreateService() + request = _streaming_output_request() + responses = service.stub.StreamingOutputCall(request) + expected_responses = service.servicer_methods.StreamingOutputCall( + request, 'not a real RpcContext!') + for expected_response, response in moves.zip_longest(expected_responses, + responses): + self.assertEqual(expected_response, response) + + def testStreamingOutputCallExpired(self): + service = _CreateService() + request = _streaming_output_request() + with service.servicer_methods.pause(): + responses = service.stub.StreamingOutputCall( + request, timeout=test_constants.SHORT_TIMEOUT) + with self.assertRaises(grpc.RpcError) as exception_context: + list(responses) + self.assertIs(exception_context.exception.code(), + grpc.StatusCode.DEADLINE_EXCEEDED) + + def testStreamingOutputCallCancelled(self): + service = _CreateService() + request = _streaming_output_request() + responses = service.stub.StreamingOutputCall(request) next(responses) - self.assertIs(exception_context.exception.code(), grpc.StatusCode.UNKNOWN) - - def testHalfDuplexCall(self): - service = _CreateService() - def half_duplex_request_iterator(): - request = request_pb2.StreamingOutputCallRequest() - request.response_parameters.add(size=1, interval_us=0) - yield request - request = request_pb2.StreamingOutputCallRequest() - request.response_parameters.add(size=2, interval_us=0) - request.response_parameters.add(size=3, interval_us=0) - yield request - responses = service.stub.HalfDuplexCall(half_duplex_request_iterator()) - expected_responses = service.servicer_methods.HalfDuplexCall( - half_duplex_request_iterator(), 'not a real RpcContext!') - for expected_response, response in moves.zip_longest( - expected_responses, responses): - self.assertEqual(expected_response, response) - - def testHalfDuplexCallWedged(self): - condition = threading.Condition() - wait_cell = [False] - @contextlib.contextmanager - def wait(): # pylint: disable=invalid-name - # Where's Python 3's 'nonlocal' statement when you need it? - with condition: - wait_cell[0] = True - yield - with condition: - wait_cell[0] = False - condition.notify_all() - def half_duplex_request_iterator(): - request = request_pb2.StreamingOutputCallRequest() - request.response_parameters.add(size=1, interval_us=0) - yield request - with condition: - while wait_cell[0]: - condition.wait() - service = _CreateService() - with wait(): - responses = service.stub.HalfDuplexCall( - half_duplex_request_iterator(), timeout=test_constants.SHORT_TIMEOUT) - # half-duplex waits for the client to send all info - with self.assertRaises(grpc.RpcError) as exception_context: + responses.cancel() + with self.assertRaises(grpc.RpcError) as exception_context: + next(responses) + self.assertIs(responses.code(), grpc.StatusCode.CANCELLED) + + def testStreamingOutputCallFailed(self): + service = _CreateService() + request = _streaming_output_request() + with service.servicer_methods.fail(): + responses = service.stub.StreamingOutputCall(request) + self.assertIsNotNone(responses) + with self.assertRaises(grpc.RpcError) as exception_context: + next(responses) + self.assertIs(exception_context.exception.code(), + grpc.StatusCode.UNKNOWN) + + def testStreamingInputCall(self): + service = _CreateService() + response = service.stub.StreamingInputCall( + _streaming_input_request_iterator()) + expected_response = service.servicer_methods.StreamingInputCall( + _streaming_input_request_iterator(), 'not a real RpcContext!') + self.assertEqual(expected_response, response) + + def testStreamingInputCallFuture(self): + service = _CreateService() + with service.servicer_methods.pause(): + response_future = service.stub.StreamingInputCall.future( + _streaming_input_request_iterator()) + response = response_future.result() + expected_response = service.servicer_methods.StreamingInputCall( + _streaming_input_request_iterator(), 'not a real RpcContext!') + self.assertEqual(expected_response, response) + + def testStreamingInputCallFutureExpired(self): + service = _CreateService() + with service.servicer_methods.pause(): + response_future = service.stub.StreamingInputCall.future( + _streaming_input_request_iterator(), + timeout=test_constants.SHORT_TIMEOUT) + with self.assertRaises(grpc.RpcError) as exception_context: + response_future.result() + self.assertIsInstance(response_future.exception(), grpc.RpcError) + self.assertIs(response_future.exception().code(), + grpc.StatusCode.DEADLINE_EXCEEDED) + self.assertIs(exception_context.exception.code(), + grpc.StatusCode.DEADLINE_EXCEEDED) + + def testStreamingInputCallFutureCancelled(self): + service = _CreateService() + with service.servicer_methods.pause(): + response_future = service.stub.StreamingInputCall.future( + _streaming_input_request_iterator()) + response_future.cancel() + self.assertTrue(response_future.cancelled()) + with self.assertRaises(grpc.FutureCancelledError): + response_future.result() + + def testStreamingInputCallFutureFailed(self): + service = _CreateService() + with service.servicer_methods.fail(): + response_future = service.stub.StreamingInputCall.future( + _streaming_input_request_iterator()) + self.assertIsNotNone(response_future.exception()) + self.assertIs(response_future.code(), grpc.StatusCode.UNKNOWN) + + def testFullDuplexCall(self): + service = _CreateService() + responses = service.stub.FullDuplexCall(_full_duplex_request_iterator()) + expected_responses = service.servicer_methods.FullDuplexCall( + _full_duplex_request_iterator(), 'not a real RpcContext!') + for expected_response, response in moves.zip_longest(expected_responses, + responses): + self.assertEqual(expected_response, response) + + def testFullDuplexCallExpired(self): + request_iterator = _full_duplex_request_iterator() + service = _CreateService() + with service.servicer_methods.pause(): + responses = service.stub.FullDuplexCall( + request_iterator, timeout=test_constants.SHORT_TIMEOUT) + with self.assertRaises(grpc.RpcError) as exception_context: + list(responses) + self.assertIs(exception_context.exception.code(), + grpc.StatusCode.DEADLINE_EXCEEDED) + + def testFullDuplexCallCancelled(self): + service = _CreateService() + request_iterator = _full_duplex_request_iterator() + responses = service.stub.FullDuplexCall(request_iterator) next(responses) - self.assertIs( - exception_context.exception.code(), grpc.StatusCode.DEADLINE_EXCEEDED) + responses.cancel() + with self.assertRaises(grpc.RpcError) as exception_context: + next(responses) + self.assertIs(exception_context.exception.code(), + grpc.StatusCode.CANCELLED) + + def testFullDuplexCallFailed(self): + request_iterator = _full_duplex_request_iterator() + service = _CreateService() + with service.servicer_methods.fail(): + responses = service.stub.FullDuplexCall(request_iterator) + with self.assertRaises(grpc.RpcError) as exception_context: + next(responses) + self.assertIs(exception_context.exception.code(), + grpc.StatusCode.UNKNOWN) + + def testHalfDuplexCall(self): + service = _CreateService() + + def half_duplex_request_iterator(): + request = request_pb2.StreamingOutputCallRequest() + request.response_parameters.add(size=1, interval_us=0) + yield request + request = request_pb2.StreamingOutputCallRequest() + request.response_parameters.add(size=2, interval_us=0) + request.response_parameters.add(size=3, interval_us=0) + yield request + + responses = service.stub.HalfDuplexCall(half_duplex_request_iterator()) + expected_responses = service.servicer_methods.HalfDuplexCall( + half_duplex_request_iterator(), 'not a real RpcContext!') + for expected_response, response in moves.zip_longest(expected_responses, + responses): + self.assertEqual(expected_response, response) + + def testHalfDuplexCallWedged(self): + condition = threading.Condition() + wait_cell = [False] + + @contextlib.contextmanager + def wait(): # pylint: disable=invalid-name + # Where's Python 3's 'nonlocal' statement when you need it? + with condition: + wait_cell[0] = True + yield + with condition: + wait_cell[0] = False + condition.notify_all() + + def half_duplex_request_iterator(): + request = request_pb2.StreamingOutputCallRequest() + request.response_parameters.add(size=1, interval_us=0) + yield request + with condition: + while wait_cell[0]: + condition.wait() + + service = _CreateService() + with wait(): + responses = service.stub.HalfDuplexCall( + half_duplex_request_iterator(), + timeout=test_constants.SHORT_TIMEOUT) + # half-duplex waits for the client to send all info + with self.assertRaises(grpc.RpcError) as exception_context: + next(responses) + self.assertIs(exception_context.exception.code(), + grpc.StatusCode.DEADLINE_EXCEEDED) if __name__ == '__main__': - unittest.main(verbosity=2) + unittest.main(verbosity=2) |