37 lines
1023 B
Python
37 lines
1023 B
Python
# Copyright 2012-2013 OpenStack, LLC.
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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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#
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from openstackclient.common import clientmanager
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def factory(inst):
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return object()
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class Container(object):
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attr = clientmanager.ClientCache(factory)
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def init_token(self):
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return
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def test_singleton():
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# Verify that the ClientCache descriptor only
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# invokes the factory one time and always
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# returns the same value after that.
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c = Container()
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assert c.attr is c.attr
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