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Diffstat (limited to 'src/python/grpcio_tests/tests/http2/_negative_http2_client.py')
| -rw-r--r-- | src/python/grpcio_tests/tests/http2/_negative_http2_client.py | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/src/python/grpcio_tests/tests/http2/_negative_http2_client.py b/src/python/grpcio_tests/tests/http2/_negative_http2_client.py new file mode 100644 index 0000000000..f8604683b3 --- /dev/null +++ b/src/python/grpcio_tests/tests/http2/_negative_http2_client.py @@ -0,0 +1,153 @@ +# 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. + +"""The Python client used to test negative http2 conditions.""" + +import argparse + +import grpc +from src.proto.grpc.testing import test_pb2 +from src.proto.grpc.testing import messages_pb2 + +def _validate_payload_type_and_length(response, expected_type, expected_length): + if response.payload.type is not expected_type: + raise ValueError( + 'expected payload type %s, got %s' % + (expected_type, type(response.payload.type))) + elif len(response.payload.body) != expected_length: + raise ValueError( + 'expected payload body size %d, got %d' % + (expected_length, len(response.payload.body))) + +def _expect_status_code(call, expected_code): + if call.code() != expected_code: + raise ValueError( + 'expected code %s, got %s' % (expected_code, call.code())) + +def _expect_status_details(call, expected_details): + if call.details() != expected_details: + raise ValueError( + 'expected message %s, got %s' % (expected_details, call.details())) + +def _validate_status_code_and_details(call, expected_code, expected_details): + _expect_status_code(call, expected_code) + _expect_status_details(call, expected_details) + +# common requests +_REQUEST_SIZE = 314159 +_RESPONSE_SIZE = 271828 + +_SIMPLE_REQUEST = messages_pb2.SimpleRequest( + response_type=messages_pb2.COMPRESSABLE, + response_size=_RESPONSE_SIZE, + payload=messages_pb2.Payload(body=b'\x00' * _REQUEST_SIZE)) + +def _goaway(stub): + first_response = stub.UnaryCall(_SIMPLE_REQUEST) + _validate_payload_type_and_length(first_response, + messages_pb2.COMPRESSABLE, _RESPONSE_SIZE) + second_response = stub.UnaryCall(_SIMPLE_REQUEST) + _validate_payload_type_and_length(second_response, + messages_pb2.COMPRESSABLE, _RESPONSE_SIZE) + +def _rst_after_header(stub): + resp_future = stub.UnaryCall.future(_SIMPLE_REQUEST) + _validate_status_code_and_details(resp_future, grpc.StatusCode.UNAVAILABLE, "") + +def _rst_during_data(stub): + resp_future = stub.UnaryCall.future(_SIMPLE_REQUEST) + _validate_status_code_and_details(resp_future, grpc.StatusCode.UNKNOWN, "") + +def _rst_after_data(stub): + resp_future = stub.UnaryCall.future(_SIMPLE_REQUEST) + _validate_payload_type_and_length(next(resp_future), + messages_pb2.COMPRESSABLE, _RESPONSE_SIZE) + _validate_status_code_and_details(resp_future, grpc.StatusCode.UNKNOWN, "") + +def _ping(stub): + response = stub.UnaryCall(_SIMPLE_REQUEST) + _validate_payload_type_and_length(response, + messages_pb2.COMPRESSABLE, _RESPONSE_SIZE) + +def _max_streams(stub): + # send one req to ensure server sets MAX_STREAMS + response = stub.UnaryCall(_SIMPLE_REQUEST) + _validate_payload_type_and_length(response, + messages_pb2.COMPRESSABLE, _RESPONSE_SIZE) + + # give the streams a workout + futures = [] + for _ in range(15): + futures.append(stub.UnaryCall.future(_SIMPLE_REQUEST)) + for future in futures: + _validate_payload_type_and_length(future.result(), + messages_pb2.COMPRESSABLE, _RESPONSE_SIZE) + +def _run_test_case(test_case, stub): + if test_case == 'goaway': + _goaway(stub) + elif test_case == 'rst_after_header': + _rst_after_header(stub) + elif test_case == 'rst_during_data': + _rst_during_data(stub) + elif test_case == 'rst_after_data': + _rst_after_data(stub) + elif test_case =='ping': + _ping(stub) + elif test_case == 'max_streams': + _max_streams(stub) + else: + raise ValueError("Invalid test case: %s" % test_case) + +def _args(): + parser = argparse.ArgumentParser() + parser.add_argument( + '--server_host', help='the host to which to connect', type=str, + default="127.0.0.1") + parser.add_argument( + '--server_port', help='the port to which to connect', type=int, + default="8080") + parser.add_argument( + '--test_case', help='the test case to execute', type=str, + default="goaway") + return parser.parse_args() + +def _stub(server_host, server_port): + target = '{}:{}'.format(server_host, server_port) + channel = grpc.insecure_channel(target) + return test_pb2.TestServiceStub(channel) + +def main(): + args = _args() + stub = _stub(args.server_host, args.server_port) + _run_test_case(args.test_case, stub) + + +if __name__ == '__main__': + main() |