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# Copyright 2016 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.
"""Test of RPCs made against gRPC Python's application-layer API."""
import unittest
import grpc
from tests.unit.framework.common import test_constants
_SERIALIZE_REQUEST = lambda bytestring: bytestring * 2
_DESERIALIZE_REQUEST = lambda bytestring: bytestring[len(bytestring) // 2:]
_SERIALIZE_RESPONSE = lambda bytestring: bytestring * 3
_DESERIALIZE_RESPONSE = lambda bytestring: bytestring[:len(bytestring) // 3]
_UNARY_UNARY = '/test/UnaryUnary'
_UNARY_STREAM = '/test/UnaryStream'
_STREAM_UNARY = '/test/StreamUnary'
_STREAM_STREAM = '/test/StreamStream'
def _unary_unary_multi_callable(channel):
return channel.unary_unary(_UNARY_UNARY)
def _unary_stream_multi_callable(channel):
return channel.unary_stream(
_UNARY_STREAM,
request_serializer=_SERIALIZE_REQUEST,
response_deserializer=_DESERIALIZE_RESPONSE)
def _stream_unary_multi_callable(channel):
return channel.stream_unary(
_STREAM_UNARY,
request_serializer=_SERIALIZE_REQUEST,
response_deserializer=_DESERIALIZE_RESPONSE)
def _stream_stream_multi_callable(channel):
return channel.stream_stream(_STREAM_STREAM)
class InvalidMetadataTest(unittest.TestCase):
def setUp(self):
self._channel = grpc.insecure_channel('localhost:8080')
self._unary_unary = _unary_unary_multi_callable(self._channel)
self._unary_stream = _unary_stream_multi_callable(self._channel)
self._stream_unary = _stream_unary_multi_callable(self._channel)
self._stream_stream = _stream_stream_multi_callable(self._channel)
def testUnaryRequestBlockingUnaryResponse(self):
request = b'\x07\x08'
metadata = (('InVaLiD', 'UnaryRequestBlockingUnaryResponse'),)
expected_error_details = "metadata was invalid: %s" % metadata
with self.assertRaises(ValueError) as exception_context:
self._unary_unary(request, metadata=metadata)
self.assertIn(expected_error_details, str(exception_context.exception))
def testUnaryRequestBlockingUnaryResponseWithCall(self):
request = b'\x07\x08'
metadata = (('InVaLiD', 'UnaryRequestBlockingUnaryResponseWithCall'),)
expected_error_details = "metadata was invalid: %s" % metadata
with self.assertRaises(ValueError) as exception_context:
self._unary_unary.with_call(request, metadata=metadata)
self.assertIn(expected_error_details, str(exception_context.exception))
def testUnaryRequestFutureUnaryResponse(self):
request = b'\x07\x08'
metadata = (('InVaLiD', 'UnaryRequestFutureUnaryResponse'),)
expected_error_details = "metadata was invalid: %s" % metadata
with self.assertRaises(ValueError) as exception_context:
self._unary_unary.future(request, metadata=metadata)
def testUnaryRequestStreamResponse(self):
request = b'\x37\x58'
metadata = (('InVaLiD', 'UnaryRequestStreamResponse'),)
expected_error_details = "metadata was invalid: %s" % metadata
with self.assertRaises(ValueError) as exception_context:
self._unary_stream(request, metadata=metadata)
self.assertIn(expected_error_details, str(exception_context.exception))
def testStreamRequestBlockingUnaryResponse(self):
request_iterator = (
b'\x07\x08' for _ in range(test_constants.STREAM_LENGTH))
metadata = (('InVaLiD', 'StreamRequestBlockingUnaryResponse'),)
expected_error_details = "metadata was invalid: %s" % metadata
with self.assertRaises(ValueError) as exception_context:
self._stream_unary(request_iterator, metadata=metadata)
self.assertIn(expected_error_details, str(exception_context.exception))
def testStreamRequestBlockingUnaryResponseWithCall(self):
request_iterator = (
b'\x07\x08' for _ in range(test_constants.STREAM_LENGTH))
metadata = (('InVaLiD', 'StreamRequestBlockingUnaryResponseWithCall'),)
expected_error_details = "metadata was invalid: %s" % metadata
multi_callable = _stream_unary_multi_callable(self._channel)
with self.assertRaises(ValueError) as exception_context:
multi_callable.with_call(request_iterator, metadata=metadata)
self.assertIn(expected_error_details, str(exception_context.exception))
def testStreamRequestFutureUnaryResponse(self):
request_iterator = (
b'\x07\x08' for _ in range(test_constants.STREAM_LENGTH))
metadata = (('InVaLiD', 'StreamRequestFutureUnaryResponse'),)
expected_error_details = "metadata was invalid: %s" % metadata
with self.assertRaises(ValueError) as exception_context:
self._stream_unary.future(request_iterator, metadata=metadata)
self.assertIn(expected_error_details, str(exception_context.exception))
def testStreamRequestStreamResponse(self):
request_iterator = (
b'\x07\x08' for _ in range(test_constants.STREAM_LENGTH))
metadata = (('InVaLiD', 'StreamRequestStreamResponse'),)
expected_error_details = "metadata was invalid: %s" % metadata
with self.assertRaises(ValueError) as exception_context:
self._stream_stream(request_iterator, metadata=metadata)
self.assertIn(expected_error_details, str(exception_context.exception))
if __name__ == '__main__':
unittest.main(verbosity=2)
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