65 lines
2.4 KiB
Python
65 lines
2.4 KiB
Python
# Copyright 2012 OpenStack Foundation
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import uuid
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from keystone.common import manager
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from keystone.common import provider_api
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from keystone.tests import unit
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class TestProviderAPIRegistry(unit.BaseTestCase):
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def setUp(self):
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super(TestProviderAPIRegistry, self).setUp()
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provider_api.ProviderAPIs._clear_registry_instances()
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self.addCleanup(provider_api.ProviderAPIs._clear_registry_instances)
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def _create_manager_instance(self, provides_api=None):
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provides_api = provides_api or '%s_api' % uuid.uuid4().hex
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class TestManager(manager.Manager):
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_provides_api = provides_api
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driver_namespace = '_TEST_NOTHING'
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return TestManager(driver_name=None)
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def test_registry_lock(self):
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provider_api.ProviderAPIs.lock_provider_registry()
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self.assertRaises(RuntimeError, self._create_manager_instance)
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def test_registry_duplicate(self):
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test_manager = self._create_manager_instance()
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self.assertRaises(
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provider_api.DuplicateProviderError,
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self._create_manager_instance,
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provides_api=test_manager._provides_api)
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def test_provider_api_mixin(self):
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test_manager = self._create_manager_instance()
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class Testing(provider_api.ProviderAPIMixin, object):
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pass
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instance = Testing()
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self.assertIs(test_manager, getattr(instance,
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test_manager._provides_api))
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def test_manager_api_reference(self):
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manager = self._create_manager_instance()
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second_manager = self._create_manager_instance()
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self.assertIs(second_manager, getattr(manager,
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second_manager._provides_api))
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self.assertIs(manager, getattr(second_manager,
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manager._provides_api))
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