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# Copyright 2018 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 'utf-8' encoded error message."""
import unittest
import weakref
import grpc
from tests.unit import test_common
from tests.unit.framework.common import test_constants
_UNICODE_ERROR_MESSAGES = [
b'\xe2\x80\x9d'.decode('utf-8'),
b'abc\x80\xd0\xaf'.decode('latin-1'),
b'\xc3\xa9'.decode('utf-8'),
]
_REQUEST = b'\x00\x00\x00'
_RESPONSE = b'\x00\x00\x00'
_UNARY_UNARY = '/test/UnaryUnary'
class _MethodHandler(grpc.RpcMethodHandler):
def __init__(self, request_streaming=None, response_streaming=None):
self.request_streaming = request_streaming
self.response_streaming = response_streaming
self.request_deserializer = None
self.response_serializer = None
self.unary_stream = None
self.stream_unary = None
self.stream_stream = None
def unary_unary(self, request, servicer_context):
servicer_context.set_code(grpc.StatusCode.UNKNOWN)
servicer_context.set_details(request.decode('utf-8'))
return _RESPONSE
class _GenericHandler(grpc.GenericRpcHandler):
def __init__(self, test):
self._test = test
def service(self, handler_call_details):
return _MethodHandler()
class ErrorMessageEncodingTest(unittest.TestCase):
def setUp(self):
self._server = test_common.test_server()
self._server.add_generic_rpc_handlers((_GenericHandler(
weakref.proxy(self)),))
port = self._server.add_insecure_port('[::]:0')
self._server.start()
self._channel = grpc.insecure_channel('localhost:%d' % port)
def tearDown(self):
self._server.stop(0)
self._channel.close()
def testMessageEncoding(self):
for message in _UNICODE_ERROR_MESSAGES:
multi_callable = self._channel.unary_unary(_UNARY_UNARY)
with self.assertRaises(grpc.RpcError) as cm:
multi_callable(message.encode('utf-8'))
self.assertEqual(cm.exception.code(), grpc.StatusCode.UNKNOWN)
self.assertEqual(cm.exception.details(), message)
if __name__ == '__main__':
unittest.main(verbosity=2)
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