1# Copyright 2018 gRPC authors. 2# 3# Licensed under the Apache License, Version 2.0 (the "License"); 4# you may not use this file except in compliance with the License. 5# You may obtain a copy of the License at 6# 7# http://www.apache.org/licenses/LICENSE-2.0 8# 9# Unless required by applicable law or agreed to in writing, software 10# distributed under the License is distributed on an "AS IS" BASIS, 11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12# See the License for the specific language governing permissions and 13# limitations under the License. 14"""Tests 'utf-8' encoded error message.""" 15 16import unittest 17import weakref 18 19import grpc 20 21from tests.unit import test_common 22from tests.unit.framework.common import test_constants 23 24_UNICODE_ERROR_MESSAGES = [ 25 b"\xe2\x80\x9d".decode("utf-8"), 26 b"abc\x80\xd0\xaf".decode("latin-1"), 27 b"\xc3\xa9".decode("utf-8"), 28] 29 30_REQUEST = b"\x00\x00\x00" 31_RESPONSE = b"\x00\x00\x00" 32 33_SERVICE_NAME = "test" 34_UNARY_UNARY = "UnaryUnary" 35 36 37class _MethodHandler(grpc.RpcMethodHandler): 38 def __init__(self, request_streaming=None, response_streaming=None): 39 self.request_streaming = request_streaming 40 self.response_streaming = response_streaming 41 self.request_deserializer = None 42 self.response_serializer = None 43 self.unary_stream = None 44 self.stream_unary = None 45 self.stream_stream = None 46 47 def unary_unary(self, request, servicer_context): 48 servicer_context.set_code(grpc.StatusCode.UNKNOWN) 49 servicer_context.set_details(request.decode("utf-8")) 50 return _RESPONSE 51 52 53_METHOD_HANDLERS = {_UNARY_UNARY: _MethodHandler()} 54 55 56class ErrorMessageEncodingTest(unittest.TestCase): 57 def setUp(self): 58 self._server = test_common.test_server() 59 self._server.add_registered_method_handlers( 60 _SERVICE_NAME, _METHOD_HANDLERS 61 ) 62 port = self._server.add_insecure_port("[::]:0") 63 self._server.start() 64 self._channel = grpc.insecure_channel("localhost:%d" % port) 65 66 def tearDown(self): 67 self._server.stop(0) 68 self._channel.close() 69 70 def testMessageEncoding(self): 71 for message in _UNICODE_ERROR_MESSAGES: 72 multi_callable = self._channel.unary_unary( 73 grpc._common.fully_qualified_method( 74 _SERVICE_NAME, _UNARY_UNARY 75 ), 76 _registered_method=True, 77 ) 78 with self.assertRaises(grpc.RpcError) as cm: 79 multi_callable(message.encode("utf-8")) 80 81 self.assertEqual(cm.exception.code(), grpc.StatusCode.UNKNOWN) 82 self.assertEqual(cm.exception.details(), message) 83 84 85if __name__ == "__main__": 86 unittest.main(verbosity=2) 87