| # 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. |
| """Tests server and client side compression.""" |
| |
| import unittest |
| |
| import grpc |
| from grpc import _grpcio_metadata |
| |
| from tests.unit import test_common |
| from tests.unit.framework.common import test_constants |
| |
| _UNARY_UNARY = '/test/UnaryUnary' |
| _STREAM_STREAM = '/test/StreamStream' |
| |
| |
| def handle_unary(request, servicer_context): |
| servicer_context.send_initial_metadata([('grpc-internal-encoding-request', |
| 'gzip')]) |
| return request |
| |
| |
| def handle_stream(request_iterator, servicer_context): |
| # TODO(issue:#6891) We should be able to remove this loop, |
| # and replace with return; yield |
| servicer_context.send_initial_metadata([('grpc-internal-encoding-request', |
| 'gzip')]) |
| for request in request_iterator: |
| yield request |
| |
| |
| 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 = lambda x, y: handle_stream(x, y) |
| elif not self.request_streaming and not self.response_streaming: |
| self.unary_unary = lambda x, y: handle_unary(x, y) |
| |
| |
| 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 == _STREAM_STREAM: |
| return _MethodHandler(True, True) |
| else: |
| return None |
| |
| |
| class CompressionTest(unittest.TestCase): |
| |
| def setUp(self): |
| self._server = test_common.test_server() |
| self._server.add_generic_rpc_handlers((_GenericHandler(),)) |
| self._port = self._server.add_insecure_port('[::]:0') |
| self._server.start() |
| |
| def testUnary(self): |
| request = b'\x00' * 100 |
| |
| # Client -> server compressed through default client channel compression |
| # settings. Server -> client compressed via server-side metadata setting. |
| # TODO(https://github.com/grpc/grpc/issues/4078): replace the "1" integer |
| # literal with proper use of the public API. |
| compressed_channel = grpc.insecure_channel( |
| 'localhost:%d' % self._port, |
| options=[('grpc.default_compression_algorithm', 1)]) |
| multi_callable = compressed_channel.unary_unary(_UNARY_UNARY) |
| response = multi_callable(request) |
| self.assertEqual(request, response) |
| |
| # Client -> server compressed through client metadata setting. Server -> |
| # client compressed via server-side metadata setting. |
| # TODO(https://github.com/grpc/grpc/issues/4078): replace the "0" integer |
| # literal with proper use of the public API. |
| uncompressed_channel = grpc.insecure_channel( |
| 'localhost:%d' % self._port, |
| options=[('grpc.default_compression_algorithm', 0)]) |
| multi_callable = compressed_channel.unary_unary(_UNARY_UNARY) |
| response = multi_callable( |
| request, metadata=[('grpc-internal-encoding-request', 'gzip')]) |
| self.assertEqual(request, response) |
| |
| def testStreaming(self): |
| request = b'\x00' * 100 |
| |
| # TODO(https://github.com/grpc/grpc/issues/4078): replace the "1" integer |
| # literal with proper use of the public API. |
| compressed_channel = grpc.insecure_channel( |
| 'localhost:%d' % self._port, |
| options=[('grpc.default_compression_algorithm', 1)]) |
| multi_callable = compressed_channel.stream_stream(_STREAM_STREAM) |
| call = multi_callable(iter([request] * test_constants.STREAM_LENGTH)) |
| for response in call: |
| self.assertEqual(request, response) |
| |
| |
| if __name__ == '__main__': |
| unittest.main(verbosity=2) |