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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2012 OpenStack Foundation.
# All Rights Reserved.
#
# 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.
import threading
from openstack.common import local
from tests import utils
class Dict(dict):
"""Make weak referencable object."""
pass
class LocalStoreTestCase(utils.BaseTestCase):
v1 = Dict(a='1')
v2 = Dict(a='2')
v3 = Dict(a='3')
def setUp(self):
super(LocalStoreTestCase, self).setUp()
# NOTE(mrodden): we need to make sure that local store
# gets imported in the current python context we are
# testing in (eventlet vs normal python threading) so
# we test the correct type of local store for the current
# threading model
reload(local)
def test_thread_unique_storage(self):
"""Make sure local store holds thread specific values."""
expected_set = []
local.store.a = self.v1
def do_something():
local.store.a = self.v2
expected_set.append(getattr(local.store, 'a'))
def do_something2():
local.store.a = self.v3
expected_set.append(getattr(local.store, 'a'))
t1 = threading.Thread(target=do_something)
t2 = threading.Thread(target=do_something2)
t1.start()
t2.start()
t1.join()
t2.join()
expected_set.append(getattr(local.store, 'a'))
self.assertTrue(self.v1 in expected_set)
self.assertTrue(self.v2 in expected_set)
self.assertTrue(self.v3 in expected_set)
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