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# Copyright 2012-2013 OpenStack, LLC.

#

# 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.

#

from openstackclient.common import clientmanager

from tests import utils

class Container(object):

attr = clientmanager.ClientCache(lambda x: object())

def __init__(self):

pass

class TestClientManager(utils.TestCase):

def setUp(self):

super(TestClientManager, self).setUp()

def test_singleton(self):

# NOTE(dtroyer): Verify that the ClientCache descriptor only invokes

# the factory one time and always returns the same value after that.

c = Container()

self.assertEqual(c.attr, c.attr)