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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2010-2011 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.
"""Common utilities used in testing"""
import subprocess
import fixtures
from oslo.config import cfg
import testtools
from openstack.common.fixture import moxstubout
from openstack.common import exception
CONF = cfg.CONF
class BaseTestCase(testtools.TestCase):
def setUp(self):
super(BaseTestCase, self).setUp()
self.stubs = self.useFixture(moxstubout.MoxStubout()).stubs
self.addCleanup(CONF.reset)
self.useFixture(fixtures.FakeLogger('openstack.common'))
self.useFixture(fixtures.Timeout(30, True))
self.stubs.Set(exception, '_FATAL_EXCEPTION_FORMAT_ERRORS', True)
def tearDown(self):
super(BaseTestCase, self).tearDown()
CONF.reset()
self.stubs.UnsetAll()
self.stubs.SmartUnsetAll()
def config(self, **kw):
"""
Override some configuration values.
The keyword arguments are the names of configuration options to
override and their values.
If a group argument is supplied, the overrides are applied to
the specified configuration option group.
All overrides are automatically cleared at the end of the current
test by the tearDown() method.
"""
group = kw.pop('group', None)
for k, v in kw.iteritems():
CONF.set_override(k, v, group)
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