| # Copyright 2016 gRPC authors. |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| import unittest |
| |
| import grpc |
| |
| from tests.unit import test_common |
| from tests.unit.framework.common import test_constants |
| |
| _REQUEST = b'' |
| _RESPONSE = b'' |
| |
| _UNARY_UNARY = '/test/UnaryUnary' |
| _UNARY_STREAM = '/test/UnaryStream' |
| _STREAM_UNARY = '/test/StreamUnary' |
| _STREAM_STREAM = '/test/StreamStream' |
| |
| |
| def handle_unary_unary(request, servicer_context): |
| return _RESPONSE |
| |
| |
| def handle_unary_stream(request, servicer_context): |
| for _ in range(test_constants.STREAM_LENGTH): |
| yield _RESPONSE |
| |
| |
| def handle_stream_unary(request_iterator, servicer_context): |
| for request in request_iterator: |
| pass |
| return _RESPONSE |
| |
| |
| def handle_stream_stream(request_iterator, servicer_context): |
| for request in request_iterator: |
| yield _RESPONSE |
| |
| |
| class _MethodHandler(grpc.RpcMethodHandler): |
| |
| def __init__(self, request_streaming, response_streaming): |
| self.request_streaming = request_streaming |
| self.response_streaming = response_streaming |
| self.request_deserializer = None |
| self.response_serializer = None |
| self.unary_unary = None |
| self.unary_stream = None |
| self.stream_unary = None |
| self.stream_stream = None |
| if self.request_streaming and self.response_streaming: |
| self.stream_stream = handle_stream_stream |
| elif self.request_streaming: |
| self.stream_unary = handle_stream_unary |
| elif self.response_streaming: |
| self.unary_stream = handle_unary_stream |
| else: |
| self.unary_unary = handle_unary_unary |
| |
| |
| class _GenericHandler(grpc.GenericRpcHandler): |
| |
| def service(self, handler_call_details): |
| if handler_call_details.method == _UNARY_UNARY: |
| return _MethodHandler(False, False) |
| elif handler_call_details.method == _UNARY_STREAM: |
| return _MethodHandler(False, True) |
| elif handler_call_details.method == _STREAM_UNARY: |
| return _MethodHandler(True, False) |
| elif handler_call_details.method == _STREAM_STREAM: |
| return _MethodHandler(True, True) |
| else: |
| return None |
| |
| |
| class EmptyMessageTest(unittest.TestCase): |
| |
| def setUp(self): |
| self._server = test_common.test_server() |
| self._server.add_generic_rpc_handlers((_GenericHandler(),)) |
| port = self._server.add_insecure_port('[::]:0') |
| self._server.start() |
| self._channel = grpc.insecure_channel('localhost:%d' % port) |
| |
| def tearDown(self): |
| self._server.stop(0) |
| |
| def testUnaryUnary(self): |
| response = self._channel.unary_unary(_UNARY_UNARY)(_REQUEST) |
| self.assertEqual(_RESPONSE, response) |
| |
| def testUnaryStream(self): |
| response_iterator = self._channel.unary_stream(_UNARY_STREAM)(_REQUEST) |
| self.assertSequenceEqual([_RESPONSE] * test_constants.STREAM_LENGTH, |
| list(response_iterator)) |
| |
| def testStreamUnary(self): |
| response = self._channel.stream_unary(_STREAM_UNARY)(iter( |
| [_REQUEST] * test_constants.STREAM_LENGTH)) |
| self.assertEqual(_RESPONSE, response) |
| |
| def testStreamStream(self): |
| response_iterator = self._channel.stream_stream(_STREAM_STREAM)(iter( |
| [_REQUEST] * test_constants.STREAM_LENGTH)) |
| self.assertSequenceEqual([_RESPONSE] * test_constants.STREAM_LENGTH, |
| list(response_iterator)) |
| |
| |
| if __name__ == '__main__': |
| unittest.main(verbosity=2) |