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+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+# * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+# * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+"""Tests Face interface compliance of the gRPC Python Beta API."""
+
+import collections
+import unittest
+
+import six
+
+from grpc.beta import implementations
+from grpc.beta import interfaces
+from tests.unit import resources
+from tests.unit import test_common as grpc_test_common
+from tests.unit.beta import test_utilities
+from tests.unit.framework.common import test_constants
+from tests.unit.framework.interfaces.face import test_cases
+from tests.unit.framework.interfaces.face import test_interfaces
+
+_SERVER_HOST_OVERRIDE = 'foo.test.google.fr'
+
+
+class _SerializationBehaviors(
+ collections.namedtuple(
+ '_SerializationBehaviors',
+ ('request_serializers', 'request_deserializers', 'response_serializers',
+ 'response_deserializers',))):
+ pass
+
+
+def _serialization_behaviors_from_test_methods(test_methods):
+ request_serializers = {}
+ request_deserializers = {}
+ response_serializers = {}
+ response_deserializers = {}
+ for (group, method), test_method in six.iteritems(test_methods):
+ request_serializers[group, method] = test_method.serialize_request
+ request_deserializers[group, method] = test_method.deserialize_request
+ response_serializers[group, method] = test_method.serialize_response
+ response_deserializers[group, method] = test_method.deserialize_response
+ return _SerializationBehaviors(
+ request_serializers, request_deserializers, response_serializers,
+ response_deserializers)
+
+
+class _Implementation(test_interfaces.Implementation):
+
+ def instantiate(
+ self, methods, method_implementations, multi_method_implementation):
+ serialization_behaviors = _serialization_behaviors_from_test_methods(
+ methods)
+ # TODO(nathaniel): Add a "groups" attribute to _digest.TestServiceDigest.
+ service = next(iter(methods))[0]
+ # TODO(nathaniel): Add a "cardinalities_by_group" attribute to
+ # _digest.TestServiceDigest.
+ cardinalities = {
+ method: method_object.cardinality()
+ for (group, method), method_object in six.iteritems(methods)}
+
+ server_options = implementations.server_options(
+ request_deserializers=serialization_behaviors.request_deserializers,
+ response_serializers=serialization_behaviors.response_serializers,
+ thread_pool_size=test_constants.POOL_SIZE)
+ server = implementations.server(
+ method_implementations, options=server_options)
+ server_credentials = implementations.ssl_server_credentials(
+ [(resources.private_key(), resources.certificate_chain(),),])
+ port = server.add_secure_port('[::]:0', server_credentials)
+ server.start()
+ channel_credentials = implementations.ssl_channel_credentials(
+ resources.test_root_certificates())
+ channel = test_utilities.not_really_secure_channel(
+ 'localhost', port, channel_credentials, _SERVER_HOST_OVERRIDE)
+ stub_options = implementations.stub_options(
+ request_serializers=serialization_behaviors.request_serializers,
+ response_deserializers=serialization_behaviors.response_deserializers,
+ thread_pool_size=test_constants.POOL_SIZE)
+ generic_stub = implementations.generic_stub(channel, options=stub_options)
+ dynamic_stub = implementations.dynamic_stub(
+ channel, service, cardinalities, options=stub_options)
+ return generic_stub, {service: dynamic_stub}, server
+
+ def destantiate(self, memo):
+ memo.stop(test_constants.SHORT_TIMEOUT).wait()
+
+ def invocation_metadata(self):
+ return grpc_test_common.INVOCATION_INITIAL_METADATA
+
+ def initial_metadata(self):
+ return grpc_test_common.SERVICE_INITIAL_METADATA
+
+ def terminal_metadata(self):
+ return grpc_test_common.SERVICE_TERMINAL_METADATA
+
+ def code(self):
+ return interfaces.StatusCode.OK
+
+ def details(self):
+ return 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 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)