| # 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. |
| |
| import unittest |
| |
| import grpc |
| from grpc.framework.foundation import logging_pool |
| |
| 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_pool = logging_pool.pool(test_constants.THREAD_CONCURRENCY) |
| self._server = grpc.server((_GenericHandler(),), self._server_pool) |
| 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)( |
| [_REQUEST] * test_constants.STREAM_LENGTH) |
| self.assertEqual(_RESPONSE, response) |
| |
| def testStreamStream(self): |
| response_iterator = self._channel.stream_stream(_STREAM_STREAM)( |
| [_REQUEST] * test_constants.STREAM_LENGTH) |
| self.assertSequenceEqual( |
| [_RESPONSE] * test_constants.STREAM_LENGTH, list(response_iterator)) |
| |
| |
| if __name__ == '__main__': |
| unittest.main(verbosity=2) |
| |