Nathaniel Manista
9 years ago
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176a55729e
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# Copyright 2016, Google Inc. |
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# All rights reserved. |
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# |
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# Redistribution and use in source and binary forms, with or without |
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# modification, are permitted provided that the following conditions are |
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# met: |
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# |
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# * Redistributions of source code must retain the above copyright |
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# notice, this list of conditions and the following disclaimer. |
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# * Redistributions in binary form must reproduce the above |
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# copyright notice, this list of conditions and the following disclaimer |
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# in the documentation and/or other materials provided with the |
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# distribution. |
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# * Neither the name of Google Inc. nor the names of its |
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# contributors may be used to endorse or promote products derived from |
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# this software without specific prior written permission. |
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# |
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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"""Tests application-provided metadata, status code, and details.""" |
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import threading |
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import unittest |
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import grpc |
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from grpc.framework.foundation import logging_pool |
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from tests.unit import test_common |
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from tests.unit.framework.common import test_constants |
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from tests.unit.framework.common import test_control |
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_SERIALIZED_REQUEST = b'\x46\x47\x48' |
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_SERIALIZED_RESPONSE = b'\x49\x50\x51' |
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_REQUEST_SERIALIZER = lambda unused_request: _SERIALIZED_REQUEST |
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_REQUEST_DESERIALIZER = lambda unused_serialized_request: object() |
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_RESPONSE_SERIALIZER = lambda unused_response: _SERIALIZED_RESPONSE |
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_RESPONSE_DESERIALIZER = lambda unused_serialized_resopnse: object() |
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_SERVICE = b'test.TestService' |
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_UNARY_UNARY = b'UnaryUnary' |
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_UNARY_STREAM = b'UnaryStream' |
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_STREAM_UNARY = b'StreamUnary' |
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_STREAM_STREAM = b'StreamStream' |
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_CLIENT_METADATA = ( |
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(b'client-md-key', b'client-md-key'), |
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(b'client-md-key-bin', b'\x00\x01') |
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) |
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_SERVER_INITIAL_METADATA = ( |
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(b'server-initial-md-key', b'server-initial-md-value'), |
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(b'server-initial-md-key-bin', b'\x00\x02') |
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) |
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_SERVER_TRAILING_METADATA = ( |
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(b'server-trailing-md-key', b'server-trailing-md-value'), |
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(b'server-trailing-md-key-bin', b'\x00\x03') |
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) |
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_NON_OK_CODE = grpc.StatusCode.NOT_FOUND |
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_DETAILS = b'Test details!' |
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class _Servicer(object): |
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def __init__(self): |
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self._lock = threading.Lock() |
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self._code = None |
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self._details = None |
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self._exception = False |
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self._return_none = False |
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self._received_client_metadata = None |
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def unary_unary(self, request, context): |
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with self._lock: |
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self._received_client_metadata = context.invocation_metadata() |
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context.send_initial_metadata(_SERVER_INITIAL_METADATA) |
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context.set_trailing_metadata(_SERVER_TRAILING_METADATA) |
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if self._code is not None: |
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context.set_code(self._code) |
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if self._details is not None: |
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context.set_details(self._details) |
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if self._exception: |
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raise test_control.Defect() |
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else: |
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return None if self._return_none else object() |
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def unary_stream(self, request, context): |
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with self._lock: |
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self._received_client_metadata = context.invocation_metadata() |
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context.send_initial_metadata(_SERVER_INITIAL_METADATA) |
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context.set_trailing_metadata(_SERVER_TRAILING_METADATA) |
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if self._code is not None: |
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context.set_code(self._code) |
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if self._details is not None: |
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context.set_details(self._details) |
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for _ in range(test_constants.STREAM_LENGTH // 2): |
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yield _SERIALIZED_RESPONSE |
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if self._exception: |
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raise test_control.Defect() |
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def stream_unary(self, request_iterator, context): |
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with self._lock: |
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self._received_client_metadata = context.invocation_metadata() |
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context.send_initial_metadata(_SERVER_INITIAL_METADATA) |
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context.set_trailing_metadata(_SERVER_TRAILING_METADATA) |
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if self._code is not None: |
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context.set_code(self._code) |
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if self._details is not None: |
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context.set_details(self._details) |
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# TODO(https://github.com/grpc/grpc/issues/6891): just ignore the |
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# request iterator. |
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for ignored_request in request_iterator: |
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pass |
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if self._exception: |
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raise test_control.Defect() |
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else: |
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return None if self._return_none else _SERIALIZED_RESPONSE |
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def stream_stream(self, request_iterator, context): |
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with self._lock: |
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self._received_client_metadata = context.invocation_metadata() |
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context.send_initial_metadata(_SERVER_INITIAL_METADATA) |
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context.set_trailing_metadata(_SERVER_TRAILING_METADATA) |
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if self._code is not None: |
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context.set_code(self._code) |
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if self._details is not None: |
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context.set_details(self._details) |
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# TODO(https://github.com/grpc/grpc/issues/6891): just ignore the |
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# request iterator. |
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for ignored_request in request_iterator: |
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pass |
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for _ in range(test_constants.STREAM_LENGTH // 3): |
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yield object() |
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if self._exception: |
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raise test_control.Defect() |
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def set_code(self, code): |
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with self._lock: |
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self._code = code |
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def set_details(self, details): |
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with self._lock: |
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self._details = details |
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def set_exception(self): |
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with self._lock: |
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self._exception = True |
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def set_return_none(self): |
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with self._lock: |
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self._return_none = True |
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def received_client_metadata(self): |
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with self._lock: |
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return self._received_client_metadata |
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def _generic_handler(servicer): |
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method_handlers = { |
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_UNARY_UNARY: grpc.unary_unary_rpc_method_handler( |
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servicer.unary_unary, request_deserializer=_REQUEST_DESERIALIZER, |
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response_serializer=_RESPONSE_SERIALIZER), |
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_UNARY_STREAM: grpc.unary_stream_rpc_method_handler( |
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servicer.unary_stream), |
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_STREAM_UNARY: grpc.stream_unary_rpc_method_handler( |
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servicer.stream_unary), |
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_STREAM_STREAM: grpc.stream_stream_rpc_method_handler( |
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servicer.stream_stream, request_deserializer=_REQUEST_DESERIALIZER, |
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response_serializer=_RESPONSE_SERIALIZER), |
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} |
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return grpc.method_handlers_generic_handler(_SERVICE, method_handlers) |
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class MetadataCodeDetailsTest(unittest.TestCase): |
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def setUp(self): |
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self._servicer = _Servicer() |
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self._server_pool = logging_pool.pool(test_constants.THREAD_CONCURRENCY) |
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self._server = grpc.server( |
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(_generic_handler(self._servicer),), self._server_pool) |
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port = self._server.add_insecure_port('[::]:0') |
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self._server.start() |
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channel = grpc.insecure_channel('localhost:{}'.format(port)) |
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self._unary_unary = channel.unary_unary( |
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b'/'.join((b'', _SERVICE, _UNARY_UNARY,)), |
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request_serializer=_REQUEST_SERIALIZER, |
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response_deserializer=_RESPONSE_DESERIALIZER,) |
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self._unary_stream = channel.unary_stream( |
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b'/'.join((b'', _SERVICE, _UNARY_STREAM,)),) |
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self._stream_unary = channel.stream_unary( |
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b'/'.join((b'', _SERVICE, _STREAM_UNARY,)),) |
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self._stream_stream = channel.stream_stream( |
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b'/'.join((b'', _SERVICE, _STREAM_STREAM,)), |
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request_serializer=_REQUEST_SERIALIZER, |
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response_deserializer=_RESPONSE_DESERIALIZER,) |
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def testSuccessfulUnaryUnary(self): |
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self._servicer.set_details(_DETAILS) |
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unused_response, call = self._unary_unary.with_call( |
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object(), metadata=_CLIENT_METADATA) |
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self.assertTrue( |
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test_common.metadata_transmitted( |
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_CLIENT_METADATA, self._servicer.received_client_metadata())) |
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self.assertTrue( |
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test_common.metadata_transmitted( |
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_SERVER_INITIAL_METADATA, call.initial_metadata())) |
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self.assertTrue( |
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test_common.metadata_transmitted( |
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_SERVER_TRAILING_METADATA, call.trailing_metadata())) |
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self.assertIs(grpc.StatusCode.OK, call.code()) |
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self.assertEqual(_DETAILS, call.details()) |
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def testSuccessfulUnaryStream(self): |
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self._servicer.set_details(_DETAILS) |
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call = self._unary_stream(_SERIALIZED_REQUEST, metadata=_CLIENT_METADATA) |
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received_initial_metadata = call.initial_metadata() |
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for _ in call: |
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pass |
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self.assertTrue( |
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test_common.metadata_transmitted( |
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_CLIENT_METADATA, self._servicer.received_client_metadata())) |
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self.assertTrue( |
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test_common.metadata_transmitted( |
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_SERVER_INITIAL_METADATA, received_initial_metadata)) |
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self.assertTrue( |
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test_common.metadata_transmitted( |
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_SERVER_TRAILING_METADATA, call.trailing_metadata())) |
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self.assertIs(grpc.StatusCode.OK, call.code()) |
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self.assertEqual(_DETAILS, call.details()) |
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def testSuccessfulStreamUnary(self): |
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self._servicer.set_details(_DETAILS) |
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unused_response, call = self._stream_unary.with_call( |
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iter([_SERIALIZED_REQUEST] * test_constants.STREAM_LENGTH), |
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metadata=_CLIENT_METADATA) |
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self.assertTrue( |
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test_common.metadata_transmitted( |
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_CLIENT_METADATA, self._servicer.received_client_metadata())) |
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self.assertTrue( |
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test_common.metadata_transmitted( |
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_SERVER_INITIAL_METADATA, call.initial_metadata())) |
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self.assertTrue( |
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test_common.metadata_transmitted( |
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_SERVER_TRAILING_METADATA, call.trailing_metadata())) |
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self.assertIs(grpc.StatusCode.OK, call.code()) |
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self.assertEqual(_DETAILS, call.details()) |
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def testSuccessfulStreamStream(self): |
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self._servicer.set_details(_DETAILS) |
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call = self._stream_stream( |
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iter([object()] * test_constants.STREAM_LENGTH), |
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metadata=_CLIENT_METADATA) |
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received_initial_metadata = call.initial_metadata() |
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for _ in call: |
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pass |
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self.assertTrue( |
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test_common.metadata_transmitted( |
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_CLIENT_METADATA, self._servicer.received_client_metadata())) |
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self.assertTrue( |
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test_common.metadata_transmitted( |
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_SERVER_INITIAL_METADATA, received_initial_metadata)) |
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self.assertTrue( |
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test_common.metadata_transmitted( |
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_SERVER_TRAILING_METADATA, call.trailing_metadata())) |
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self.assertIs(grpc.StatusCode.OK, call.code()) |
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self.assertEqual(_DETAILS, call.details()) |
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def testCustomCodeUnaryUnary(self): |
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self._servicer.set_code(_NON_OK_CODE) |
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self._servicer.set_details(_DETAILS) |
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with self.assertRaises(grpc.RpcError) as exception_context: |
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self._unary_unary.with_call(object(), metadata=_CLIENT_METADATA) |
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self.assertTrue( |
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test_common.metadata_transmitted( |
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_CLIENT_METADATA, self._servicer.received_client_metadata())) |
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self.assertTrue( |
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test_common.metadata_transmitted( |
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_SERVER_INITIAL_METADATA, |
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exception_context.exception.initial_metadata())) |
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self.assertTrue( |
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test_common.metadata_transmitted( |
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_SERVER_TRAILING_METADATA, |
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exception_context.exception.trailing_metadata())) |
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self.assertIs(_NON_OK_CODE, exception_context.exception.code()) |
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self.assertEqual(_DETAILS, exception_context.exception.details()) |
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def testCustomCodeUnaryStream(self): |
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self._servicer.set_code(_NON_OK_CODE) |
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self._servicer.set_details(_DETAILS) |
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call = self._unary_stream(_SERIALIZED_REQUEST, metadata=_CLIENT_METADATA) |
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received_initial_metadata = call.initial_metadata() |
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with self.assertRaises(grpc.RpcError): |
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for _ in call: |
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pass |
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self.assertTrue( |
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test_common.metadata_transmitted( |
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_CLIENT_METADATA, self._servicer.received_client_metadata())) |
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self.assertTrue( |
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test_common.metadata_transmitted( |
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_SERVER_INITIAL_METADATA, received_initial_metadata)) |
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self.assertTrue( |
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test_common.metadata_transmitted( |
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_SERVER_TRAILING_METADATA, call.trailing_metadata())) |
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self.assertIs(_NON_OK_CODE, call.code()) |
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self.assertEqual(_DETAILS, call.details()) |
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def testCustomCodeStreamUnary(self): |
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self._servicer.set_code(_NON_OK_CODE) |
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self._servicer.set_details(_DETAILS) |
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with self.assertRaises(grpc.RpcError) as exception_context: |
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self._stream_unary.with_call( |
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iter([_SERIALIZED_REQUEST] * test_constants.STREAM_LENGTH), |
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metadata=_CLIENT_METADATA) |
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self.assertTrue( |
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test_common.metadata_transmitted( |
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_CLIENT_METADATA, self._servicer.received_client_metadata())) |
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self.assertTrue( |
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test_common.metadata_transmitted( |
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_SERVER_INITIAL_METADATA, |
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exception_context.exception.initial_metadata())) |
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self.assertTrue( |
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test_common.metadata_transmitted( |
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_SERVER_TRAILING_METADATA, |
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exception_context.exception.trailing_metadata())) |
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self.assertIs(_NON_OK_CODE, exception_context.exception.code()) |
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self.assertEqual(_DETAILS, exception_context.exception.details()) |
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def testCustomCodeStreamStream(self): |
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self._servicer.set_code(_NON_OK_CODE) |
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self._servicer.set_details(_DETAILS) |
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call = self._stream_stream( |
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iter([object()] * test_constants.STREAM_LENGTH), |
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metadata=_CLIENT_METADATA) |
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received_initial_metadata = call.initial_metadata() |
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with self.assertRaises(grpc.RpcError) as exception_context: |
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for _ in call: |
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pass |
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self.assertTrue( |
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test_common.metadata_transmitted( |
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_CLIENT_METADATA, self._servicer.received_client_metadata())) |
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self.assertTrue( |
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test_common.metadata_transmitted( |
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_SERVER_INITIAL_METADATA, received_initial_metadata)) |
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self.assertTrue( |
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test_common.metadata_transmitted( |
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_SERVER_TRAILING_METADATA, |
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exception_context.exception.trailing_metadata())) |
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self.assertIs(_NON_OK_CODE, exception_context.exception.code()) |
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self.assertEqual(_DETAILS, exception_context.exception.details()) |
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def testCustomCodeExceptionUnaryUnary(self): |
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self._servicer.set_code(_NON_OK_CODE) |
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self._servicer.set_details(_DETAILS) |
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self._servicer.set_exception() |
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with self.assertRaises(grpc.RpcError) as exception_context: |
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self._unary_unary.with_call(object(), metadata=_CLIENT_METADATA) |
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self.assertTrue( |
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test_common.metadata_transmitted( |
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_CLIENT_METADATA, self._servicer.received_client_metadata())) |
||||||
|
self.assertTrue( |
||||||
|
test_common.metadata_transmitted( |
||||||
|
_SERVER_INITIAL_METADATA, |
||||||
|
exception_context.exception.initial_metadata())) |
||||||
|
self.assertTrue( |
||||||
|
test_common.metadata_transmitted( |
||||||
|
_SERVER_TRAILING_METADATA, |
||||||
|
exception_context.exception.trailing_metadata())) |
||||||
|
self.assertIs(_NON_OK_CODE, exception_context.exception.code()) |
||||||
|
self.assertEqual(_DETAILS, exception_context.exception.details()) |
||||||
|
|
||||||
|
def testCustomCodeExceptionUnaryStream(self): |
||||||
|
self._servicer.set_code(_NON_OK_CODE) |
||||||
|
self._servicer.set_details(_DETAILS) |
||||||
|
self._servicer.set_exception() |
||||||
|
|
||||||
|
call = self._unary_stream(_SERIALIZED_REQUEST, metadata=_CLIENT_METADATA) |
||||||
|
received_initial_metadata = call.initial_metadata() |
||||||
|
with self.assertRaises(grpc.RpcError): |
||||||
|
for _ in call: |
||||||
|
pass |
||||||
|
|
||||||
|
self.assertTrue( |
||||||
|
test_common.metadata_transmitted( |
||||||
|
_CLIENT_METADATA, self._servicer.received_client_metadata())) |
||||||
|
self.assertTrue( |
||||||
|
test_common.metadata_transmitted( |
||||||
|
_SERVER_INITIAL_METADATA, received_initial_metadata)) |
||||||
|
self.assertTrue( |
||||||
|
test_common.metadata_transmitted( |
||||||
|
_SERVER_TRAILING_METADATA, call.trailing_metadata())) |
||||||
|
self.assertIs(_NON_OK_CODE, call.code()) |
||||||
|
self.assertEqual(_DETAILS, call.details()) |
||||||
|
|
||||||
|
def testCustomCodeExceptionStreamUnary(self): |
||||||
|
self._servicer.set_code(_NON_OK_CODE) |
||||||
|
self._servicer.set_details(_DETAILS) |
||||||
|
self._servicer.set_exception() |
||||||
|
|
||||||
|
with self.assertRaises(grpc.RpcError) as exception_context: |
||||||
|
self._stream_unary.with_call( |
||||||
|
iter([_SERIALIZED_REQUEST] * test_constants.STREAM_LENGTH), |
||||||
|
metadata=_CLIENT_METADATA) |
||||||
|
|
||||||
|
self.assertTrue( |
||||||
|
test_common.metadata_transmitted( |
||||||
|
_CLIENT_METADATA, self._servicer.received_client_metadata())) |
||||||
|
self.assertTrue( |
||||||
|
test_common.metadata_transmitted( |
||||||
|
_SERVER_INITIAL_METADATA, |
||||||
|
exception_context.exception.initial_metadata())) |
||||||
|
self.assertTrue( |
||||||
|
test_common.metadata_transmitted( |
||||||
|
_SERVER_TRAILING_METADATA, |
||||||
|
exception_context.exception.trailing_metadata())) |
||||||
|
self.assertIs(_NON_OK_CODE, exception_context.exception.code()) |
||||||
|
self.assertEqual(_DETAILS, exception_context.exception.details()) |
||||||
|
|
||||||
|
def testCustomCodeExceptionStreamStream(self): |
||||||
|
self._servicer.set_code(_NON_OK_CODE) |
||||||
|
self._servicer.set_details(_DETAILS) |
||||||
|
self._servicer.set_exception() |
||||||
|
|
||||||
|
call = self._stream_stream( |
||||||
|
iter([object()] * test_constants.STREAM_LENGTH), |
||||||
|
metadata=_CLIENT_METADATA) |
||||||
|
received_initial_metadata = call.initial_metadata() |
||||||
|
with self.assertRaises(grpc.RpcError): |
||||||
|
for _ in call: |
||||||
|
pass |
||||||
|
|
||||||
|
self.assertTrue( |
||||||
|
test_common.metadata_transmitted( |
||||||
|
_CLIENT_METADATA, self._servicer.received_client_metadata())) |
||||||
|
self.assertTrue( |
||||||
|
test_common.metadata_transmitted( |
||||||
|
_SERVER_INITIAL_METADATA, received_initial_metadata)) |
||||||
|
self.assertTrue( |
||||||
|
test_common.metadata_transmitted( |
||||||
|
_SERVER_TRAILING_METADATA, call.trailing_metadata())) |
||||||
|
self.assertIs(_NON_OK_CODE, call.code()) |
||||||
|
self.assertEqual(_DETAILS, call.details()) |
||||||
|
|
||||||
|
def testCustomCodeReturnNoneUnaryUnary(self): |
||||||
|
self._servicer.set_code(_NON_OK_CODE) |
||||||
|
self._servicer.set_details(_DETAILS) |
||||||
|
self._servicer.set_return_none() |
||||||
|
|
||||||
|
with self.assertRaises(grpc.RpcError) as exception_context: |
||||||
|
self._unary_unary.with_call(object(), metadata=_CLIENT_METADATA) |
||||||
|
|
||||||
|
self.assertTrue( |
||||||
|
test_common.metadata_transmitted( |
||||||
|
_CLIENT_METADATA, self._servicer.received_client_metadata())) |
||||||
|
self.assertTrue( |
||||||
|
test_common.metadata_transmitted( |
||||||
|
_SERVER_INITIAL_METADATA, |
||||||
|
exception_context.exception.initial_metadata())) |
||||||
|
self.assertTrue( |
||||||
|
test_common.metadata_transmitted( |
||||||
|
_SERVER_TRAILING_METADATA, |
||||||
|
exception_context.exception.trailing_metadata())) |
||||||
|
self.assertIs(_NON_OK_CODE, exception_context.exception.code()) |
||||||
|
self.assertEqual(_DETAILS, exception_context.exception.details()) |
||||||
|
|
||||||
|
def testCustomCodeReturnNoneStreamUnary(self): |
||||||
|
self._servicer.set_code(_NON_OK_CODE) |
||||||
|
self._servicer.set_details(_DETAILS) |
||||||
|
self._servicer.set_return_none() |
||||||
|
|
||||||
|
with self.assertRaises(grpc.RpcError) as exception_context: |
||||||
|
self._stream_unary.with_call( |
||||||
|
iter([_SERIALIZED_REQUEST] * test_constants.STREAM_LENGTH), |
||||||
|
metadata=_CLIENT_METADATA) |
||||||
|
|
||||||
|
self.assertTrue( |
||||||
|
test_common.metadata_transmitted( |
||||||
|
_CLIENT_METADATA, self._servicer.received_client_metadata())) |
||||||
|
self.assertTrue( |
||||||
|
test_common.metadata_transmitted( |
||||||
|
_SERVER_INITIAL_METADATA, |
||||||
|
exception_context.exception.initial_metadata())) |
||||||
|
self.assertTrue( |
||||||
|
test_common.metadata_transmitted( |
||||||
|
_SERVER_TRAILING_METADATA, |
||||||
|
exception_context.exception.trailing_metadata())) |
||||||
|
self.assertIs(_NON_OK_CODE, exception_context.exception.code()) |
||||||
|
self.assertEqual(_DETAILS, exception_context.exception.details()) |
||||||
|
|
||||||
|
|
||||||
|
if __name__ == '__main__': |
||||||
|
unittest.main(verbosity=2) |
||||||
Loading…
Reference in new issue