| # Copyright 2015, Google Inc. |
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| |
| """Tests Base interface compliance of the core-over-gRPC-links stack.""" |
| |
| import collections |
| import logging |
| import random |
| import time |
| import unittest |
| |
| from grpc._adapter import _intermediary_low |
| from grpc._links import invocation |
| from grpc._links import service |
| from grpc.framework.core import implementations |
| from grpc.framework.interfaces.base import utilities |
| from grpc_test import test_common as grpc_test_common |
| from grpc_test.framework.common import test_constants |
| from grpc_test.framework.interfaces.base import test_cases |
| from grpc_test.framework.interfaces.base import test_interfaces |
| |
| _CODE = _intermediary_low.Code.OK |
| |
| |
| class _SerializationBehaviors( |
| collections.namedtuple( |
| '_SerializationBehaviors', |
| ('request_serializers', 'request_deserializers', 'response_serializers', |
| 'response_deserializers',))): |
| pass |
| |
| |
| class _Links( |
| collections.namedtuple( |
| '_Links', |
| ('invocation_end_link', 'invocation_grpc_link', 'service_grpc_link', |
| 'service_end_link'))): |
| pass |
| |
| |
| def _serialization_behaviors_from_serializations(serializations): |
| request_serializers = {} |
| request_deserializers = {} |
| response_serializers = {} |
| response_deserializers = {} |
| for (group, method), serialization in serializations.iteritems(): |
| request_serializers[group, method] = serialization.serialize_request |
| request_deserializers[group, method] = serialization.deserialize_request |
| response_serializers[group, method] = serialization.serialize_response |
| response_deserializers[group, method] = serialization.deserialize_response |
| return _SerializationBehaviors( |
| request_serializers, request_deserializers, response_serializers, |
| response_deserializers) |
| |
| |
| class _Implementation(test_interfaces.Implementation): |
| |
| def instantiate(self, serializations, servicer): |
| serialization_behaviors = _serialization_behaviors_from_serializations( |
| serializations) |
| invocation_end_link = implementations.invocation_end_link() |
| service_end_link = implementations.service_end_link( |
| servicer, test_constants.DEFAULT_TIMEOUT, |
| test_constants.MAXIMUM_TIMEOUT) |
| service_grpc_link = service.service_link( |
| serialization_behaviors.request_deserializers, |
| serialization_behaviors.response_serializers) |
| port = service_grpc_link.add_port('[::]:0', None) |
| channel = _intermediary_low.Channel('localhost:%d' % port, None) |
| invocation_grpc_link = invocation.invocation_link( |
| channel, b'localhost', None, |
| serialization_behaviors.request_serializers, |
| serialization_behaviors.response_deserializers) |
| |
| invocation_end_link.join_link(invocation_grpc_link) |
| invocation_grpc_link.join_link(invocation_end_link) |
| service_end_link.join_link(service_grpc_link) |
| service_grpc_link.join_link(service_end_link) |
| invocation_grpc_link.start() |
| service_grpc_link.start() |
| return invocation_end_link, service_end_link, ( |
| invocation_grpc_link, service_grpc_link) |
| |
| def destantiate(self, memo): |
| invocation_grpc_link, service_grpc_link = memo |
| invocation_grpc_link.stop() |
| service_grpc_link.begin_stop() |
| service_grpc_link.end_stop() |
| |
| def invocation_initial_metadata(self): |
| return grpc_test_common.INVOCATION_INITIAL_METADATA |
| |
| def service_initial_metadata(self): |
| return grpc_test_common.SERVICE_INITIAL_METADATA |
| |
| def invocation_completion(self): |
| return utilities.completion(None, None, None) |
| |
| def service_completion(self): |
| return utilities.completion( |
| grpc_test_common.SERVICE_TERMINAL_METADATA, _CODE, |
| grpc_test_common.DETAILS) |
| |
| def metadata_transmitted(self, original_metadata, transmitted_metadata): |
| return original_metadata is None or grpc_test_common.metadata_transmitted( |
| original_metadata, transmitted_metadata) |
| |
| def completion_transmitted(self, original_completion, transmitted_completion): |
| if (original_completion.terminal_metadata is not None and |
| not grpc_test_common.metadata_transmitted( |
| original_completion.terminal_metadata, |
| transmitted_completion.terminal_metadata)): |
| return False |
| elif original_completion.code is not transmitted_completion.code: |
| return False |
| elif original_completion.message != transmitted_completion.message: |
| return False |
| else: |
| return True |
| |
| |
| def load_tests(loader, tests, pattern): |
| return unittest.TestSuite( |
| tests=tuple( |
| loader.loadTestsFromTestCase(test_case_class) |
| for test_case_class in test_cases.test_cases(_Implementation()))) |
| |
| |
| if __name__ == '__main__': |
| unittest.main(verbosity=2) |