From 6e789893ea72b24ed664dcf3e14ab979b52de16a Mon Sep 17 00:00:00 2001 From: David Garcia Quintas Date: Fri, 24 Jun 2016 17:06:57 -0700 Subject: [PATCH] Basic testing of client and sever side compression --- src/python/grpcio/tests/tests.json | 1 + .../grpcio/tests/unit/_compression_test.py | 133 ++++++++++++++++++ 2 files changed, 134 insertions(+) create mode 100644 src/python/grpcio/tests/unit/_compression_test.py diff --git a/src/python/grpcio/tests/tests.json b/src/python/grpcio/tests/tests.json index e384a2fc135..128f85b8b06 100644 --- a/src/python/grpcio/tests/tests.json +++ b/src/python/grpcio/tests/tests.json @@ -10,6 +10,7 @@ "_channel_connectivity_test.ChannelConnectivityTest", "_channel_ready_future_test.ChannelReadyFutureTest", "_channel_test.ChannelTest", + "_compression_test.CompressionTest", "_connectivity_channel_test.ChannelConnectivityTest", "_connectivity_channel_test.ConnectivityStatesTest", "_empty_message_test.EmptyMessageTest", diff --git a/src/python/grpcio/tests/unit/_compression_test.py b/src/python/grpcio/tests/unit/_compression_test.py new file mode 100644 index 00000000000..6eddb6f83f3 --- /dev/null +++ b/src/python/grpcio/tests/unit/_compression_test.py @@ -0,0 +1,133 @@ +# 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. +"""Tests server and client side compression.""" + +import unittest + +import grpc +from grpc import _grpcio_metadata +from grpc.framework.foundation import logging_pool + +from tests.unit import test_common +from tests.unit.framework.common import test_constants + +_UNARY_UNARY = b'/test/UnaryUnary' +_STREAM_STREAM = b'/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_pool = logging_pool.pool(test_constants.THREAD_CONCURRENCY) + self._server = grpc.server((_GenericHandler(),), self._server_pool) + 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([request] * test_constants.STREAM_LENGTH) + for response in call: + self.assertEqual(request, response) + + +if __name__ == '__main__': + unittest.main(verbosity=2)