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# Copyright 2015 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.
"""Tools for creating tests of implementations of the Face layer."""
# unittest is referenced from specification in this module.
import unittest # pylint: disable=unused-import
# test_interfaces is referenced from specification in this module.
from tests.unit.framework.interfaces.face import _blocking_invocation_inline_service
from tests.unit.framework.interfaces.face import _future_invocation_asynchronous_event_service
from tests.unit.framework.interfaces.face import _invocation
from tests.unit.framework.interfaces.face import test_interfaces # pylint: disable=unused-import
_TEST_CASE_SUPERCLASSES = (
_blocking_invocation_inline_service.TestCase,
_future_invocation_asynchronous_event_service.TestCase,
)
def test_cases(implementation):
"""Creates unittest.TestCase classes for a given Face layer implementation.
Args:
implementation: A test_interfaces.Implementation specifying creation and
destruction of a given Face layer implementation.
Returns:
A sequence of subclasses of unittest.TestCase defining tests of the
specified Face layer implementation.
"""
test_case_classes = []
for invoker_constructor in _invocation.invoker_constructors():
for super_class in _TEST_CASE_SUPERCLASSES:
test_case_classes.append(
type(
invoker_constructor.name() + super_class.NAME,
(super_class,), {
'implementation': implementation,
'invoker_constructor': invoker_constructor,
'__module__': implementation.__module__,
}))
return test_case_classes
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