| # Copyright 2015-2016, 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. |
| |
| """Implementations of interoperability test methods.""" |
| |
| from __future__ import print_function |
| |
| import enum |
| import json |
| import os |
| import threading |
| import time |
| |
| from oauth2client import client as oauth2client_client |
| |
| from grpc.framework.common import cardinality |
| from grpc.framework.interfaces.face import face |
| |
| from tests.interop import empty_pb2 |
| from tests.interop import messages_pb2 |
| from tests.interop import test_pb2 |
| |
| _TIMEOUT = 7 |
| |
| |
| class TestService(test_pb2.BetaTestServiceServicer): |
| |
| def EmptyCall(self, request, context): |
| return empty_pb2.Empty() |
| |
| def UnaryCall(self, request, context): |
| return messages_pb2.SimpleResponse( |
| payload=messages_pb2.Payload( |
| type=messages_pb2.COMPRESSABLE, |
| body=b'\x00' * request.response_size)) |
| |
| def StreamingOutputCall(self, request, context): |
| for response_parameters in request.response_parameters: |
| yield messages_pb2.StreamingOutputCallResponse( |
| payload=messages_pb2.Payload( |
| type=request.response_type, |
| body=b'\x00' * response_parameters.size)) |
| |
| def StreamingInputCall(self, request_iterator, context): |
| aggregate_size = 0 |
| for request in request_iterator: |
| if request.payload and request.payload.body: |
| aggregate_size += len(request.payload.body) |
| return messages_pb2.StreamingInputCallResponse( |
| aggregated_payload_size=aggregate_size) |
| |
| def FullDuplexCall(self, request_iterator, context): |
| for request in request_iterator: |
| yield messages_pb2.StreamingOutputCallResponse( |
| payload=messages_pb2.Payload( |
| type=request.payload.type, |
| body=b'\x00' * request.response_parameters[0].size)) |
| |
| # NOTE(nathaniel): Apparently this is the same as the full-duplex call? |
| # NOTE(atash): It isn't even called in the interop spec (Oct 22 2015)... |
| def HalfDuplexCall(self, request_iterator, context): |
| return self.FullDuplexCall(request_iterator, context) |
| |
| |
| def _large_unary_common_behavior(stub, fill_username, fill_oauth_scope): |
| with stub: |
| request = messages_pb2.SimpleRequest( |
| response_type=messages_pb2.COMPRESSABLE, response_size=314159, |
| payload=messages_pb2.Payload(body=b'\x00' * 271828), |
| fill_username=fill_username, fill_oauth_scope=fill_oauth_scope) |
| response_future = stub.UnaryCall.future(request, _TIMEOUT) |
| response = response_future.result() |
| if response.payload.type is not messages_pb2.COMPRESSABLE: |
| raise ValueError( |
| 'response payload type is "%s"!' % type(response.payload.type)) |
| if len(response.payload.body) != 314159: |
| raise ValueError( |
| 'response body of incorrect size %d!' % len(response.payload.body)) |
| return response |
| |
| |
| def _empty_unary(stub): |
| with stub: |
| response = stub.EmptyCall(empty_pb2.Empty(), _TIMEOUT) |
| if not isinstance(response, empty_pb2.Empty): |
| raise TypeError( |
| 'response is of type "%s", not empty_pb2.Empty!', type(response)) |
| |
| |
| def _large_unary(stub): |
| _large_unary_common_behavior(stub, False, False) |
| |
| |
| def _client_streaming(stub): |
| with stub: |
| payload_body_sizes = (27182, 8, 1828, 45904) |
| payloads = ( |
| messages_pb2.Payload(body=b'\x00' * size) |
| for size in payload_body_sizes) |
| requests = ( |
| messages_pb2.StreamingInputCallRequest(payload=payload) |
| for payload in payloads) |
| response = stub.StreamingInputCall(requests, _TIMEOUT) |
| if response.aggregated_payload_size != 74922: |
| raise ValueError( |
| 'incorrect size %d!' % response.aggregated_payload_size) |
| |
| |
| def _server_streaming(stub): |
| sizes = (31415, 9, 2653, 58979) |
| |
| with stub: |
| request = messages_pb2.StreamingOutputCallRequest( |
| response_type=messages_pb2.COMPRESSABLE, |
| response_parameters=( |
| messages_pb2.ResponseParameters(size=sizes[0]), |
| messages_pb2.ResponseParameters(size=sizes[1]), |
| messages_pb2.ResponseParameters(size=sizes[2]), |
| messages_pb2.ResponseParameters(size=sizes[3]), |
| )) |
| response_iterator = stub.StreamingOutputCall(request, _TIMEOUT) |
| for index, response in enumerate(response_iterator): |
| if response.payload.type != messages_pb2.COMPRESSABLE: |
| raise ValueError( |
| 'response body of invalid type %s!' % response.payload.type) |
| if len(response.payload.body) != sizes[index]: |
| raise ValueError( |
| 'response body of invalid size %d!' % len(response.payload.body)) |
| |
| def _cancel_after_begin(stub): |
| with stub: |
| sizes = (27182, 8, 1828, 45904) |
| payloads = [messages_pb2.Payload(body=b'\x00' * size) for size in sizes] |
| requests = [messages_pb2.StreamingInputCallRequest(payload=payload) |
| for payload in payloads] |
| responses = stub.StreamingInputCall.future(requests, _TIMEOUT) |
| responses.cancel() |
| if not responses.cancelled(): |
| raise ValueError('expected call to be cancelled') |
| |
| |
| class _Pipe(object): |
| |
| def __init__(self): |
| self._condition = threading.Condition() |
| self._values = [] |
| self._open = True |
| |
| def __iter__(self): |
| return self |
| |
| def __next__(self): |
| return self.next() |
| |
| def next(self): |
| with self._condition: |
| while not self._values and self._open: |
| self._condition.wait() |
| if self._values: |
| return self._values.pop(0) |
| else: |
| raise StopIteration() |
| |
| def add(self, value): |
| with self._condition: |
| self._values.append(value) |
| self._condition.notify() |
| |
| def close(self): |
| with self._condition: |
| self._open = False |
| self._condition.notify() |
| |
| def __enter__(self): |
| return self |
| |
| def __exit__(self, type, value, traceback): |
| self.close() |
| |
| |
| def _ping_pong(stub): |
| request_response_sizes = (31415, 9, 2653, 58979) |
| request_payload_sizes = (27182, 8, 1828, 45904) |
| |
| with stub, _Pipe() as pipe: |
| response_iterator = stub.FullDuplexCall(pipe, _TIMEOUT) |
| print('Starting ping-pong with response iterator %s' % response_iterator) |
| for response_size, payload_size in zip( |
| request_response_sizes, request_payload_sizes): |
| request = messages_pb2.StreamingOutputCallRequest( |
| response_type=messages_pb2.COMPRESSABLE, |
| response_parameters=(messages_pb2.ResponseParameters( |
| size=response_size),), |
| payload=messages_pb2.Payload(body=b'\x00' * payload_size)) |
| pipe.add(request) |
| response = next(response_iterator) |
| if response.payload.type != messages_pb2.COMPRESSABLE: |
| raise ValueError( |
| 'response body of invalid type %s!' % response.payload.type) |
| if len(response.payload.body) != response_size: |
| raise ValueError( |
| 'response body of invalid size %d!' % len(response.payload.body)) |
| |
| |
| def _cancel_after_first_response(stub): |
| request_response_sizes = (31415, 9, 2653, 58979) |
| request_payload_sizes = (27182, 8, 1828, 45904) |
| with stub, _Pipe() as pipe: |
| response_iterator = stub.FullDuplexCall(pipe, _TIMEOUT) |
| |
| response_size = request_response_sizes[0] |
| payload_size = request_payload_sizes[0] |
| request = messages_pb2.StreamingOutputCallRequest( |
| response_type=messages_pb2.COMPRESSABLE, |
| response_parameters=(messages_pb2.ResponseParameters( |
| size=response_size),), |
| payload=messages_pb2.Payload(body=b'\x00' * payload_size)) |
| pipe.add(request) |
| response = next(response_iterator) |
| # We test the contents of `response` in the Ping Pong test - don't check |
| # them here. |
| response_iterator.cancel() |
| |
| try: |
| next(response_iterator) |
| except Exception: |
| pass |
| else: |
| raise ValueError('expected call to be cancelled') |
| |
| |
| def _timeout_on_sleeping_server(stub): |
| request_payload_size = 27182 |
| with stub, _Pipe() as pipe: |
| response_iterator = stub.FullDuplexCall(pipe, 0.001) |
| |
| request = messages_pb2.StreamingOutputCallRequest( |
| response_type=messages_pb2.COMPRESSABLE, |
| payload=messages_pb2.Payload(body=b'\x00' * request_payload_size)) |
| pipe.add(request) |
| time.sleep(0.1) |
| try: |
| next(response_iterator) |
| except face.ExpirationError: |
| pass |
| else: |
| raise ValueError('expected call to exceed deadline') |
| |
| |
| def _empty_stream(stub): |
| with stub, _Pipe() as pipe: |
| response_iterator = stub.FullDuplexCall(pipe, _TIMEOUT) |
| pipe.close() |
| try: |
| next(response_iterator) |
| raise ValueError('expected exactly 0 responses') |
| except StopIteration: |
| pass |
| |
| |
| def _compute_engine_creds(stub, args): |
| response = _large_unary_common_behavior(stub, True, True) |
| if args.default_service_account != response.username: |
| raise ValueError( |
| 'expected username %s, got %s' % (args.default_service_account, |
| response.username)) |
| |
| |
| def _oauth2_auth_token(stub, args): |
| json_key_filename = os.environ[ |
| oauth2client_client.GOOGLE_APPLICATION_CREDENTIALS] |
| wanted_email = json.load(open(json_key_filename, 'rb'))['client_email'] |
| response = _large_unary_common_behavior(stub, True, True) |
| if wanted_email != response.username: |
| raise ValueError( |
| 'expected username %s, got %s' % (wanted_email, response.username)) |
| if args.oauth_scope.find(response.oauth_scope) == -1: |
| raise ValueError( |
| 'expected to find oauth scope "%s" in received "%s"' % |
| (response.oauth_scope, args.oauth_scope)) |
| |
| @enum.unique |
| class TestCase(enum.Enum): |
| EMPTY_UNARY = 'empty_unary' |
| LARGE_UNARY = 'large_unary' |
| SERVER_STREAMING = 'server_streaming' |
| CLIENT_STREAMING = 'client_streaming' |
| PING_PONG = 'ping_pong' |
| CANCEL_AFTER_BEGIN = 'cancel_after_begin' |
| CANCEL_AFTER_FIRST_RESPONSE = 'cancel_after_first_response' |
| EMPTY_STREAM = 'empty_stream' |
| COMPUTE_ENGINE_CREDS = 'compute_engine_creds' |
| OAUTH2_AUTH_TOKEN = 'oauth2_auth_token' |
| TIMEOUT_ON_SLEEPING_SERVER = 'timeout_on_sleeping_server' |
| |
| def test_interoperability(self, stub, args): |
| if self is TestCase.EMPTY_UNARY: |
| _empty_unary(stub) |
| elif self is TestCase.LARGE_UNARY: |
| _large_unary(stub) |
| elif self is TestCase.SERVER_STREAMING: |
| _server_streaming(stub) |
| elif self is TestCase.CLIENT_STREAMING: |
| _client_streaming(stub) |
| elif self is TestCase.PING_PONG: |
| _ping_pong(stub) |
| elif self is TestCase.CANCEL_AFTER_BEGIN: |
| _cancel_after_begin(stub) |
| elif self is TestCase.CANCEL_AFTER_FIRST_RESPONSE: |
| _cancel_after_first_response(stub) |
| elif self is TestCase.TIMEOUT_ON_SLEEPING_SERVER: |
| _timeout_on_sleeping_server(stub) |
| elif self is TestCase.EMPTY_STREAM: |
| _empty_stream(stub) |
| elif self is TestCase.COMPUTE_ENGINE_CREDS: |
| _compute_engine_creds(stub, args) |
| elif self is TestCase.OAUTH2_AUTH_TOKEN: |
| _oauth2_auth_token(stub, args) |
| else: |
| raise NotImplementedError('Test case "%s" not implemented!' % self.name) |