73 lines
2.6 KiB
Python
73 lines
2.6 KiB
Python
# Copyright 2014 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 gc
|
|
import weakref
|
|
|
|
import mock
|
|
from oslo.config import cfg
|
|
|
|
from neutron.db import agentschedulers_db
|
|
from neutron import manager
|
|
from neutron.tests import base
|
|
from neutron.tests import fake_notifier
|
|
|
|
|
|
class PluginSetupHelper(object):
|
|
"""Mixin for use with testtools.TestCase."""
|
|
|
|
def cleanup_core_plugin(self):
|
|
"""Ensure that the core plugin is deallocated."""
|
|
nm = manager.NeutronManager
|
|
if not nm.has_instance():
|
|
return
|
|
|
|
# TODO(marun) Fix plugins that do not properly initialize notifiers
|
|
agentschedulers_db.AgentSchedulerDbMixin.agent_notifiers = {}
|
|
|
|
# Perform a check for deallocation only if explicitly
|
|
# configured to do so since calling gc.collect() after every
|
|
# test increases test suite execution time by ~50%.
|
|
check_plugin_deallocation = (
|
|
base.bool_from_env('OS_CHECK_PLUGIN_DEALLOCATION'))
|
|
if check_plugin_deallocation:
|
|
plugin = weakref.ref(nm._instance.plugin)
|
|
|
|
nm.clear_instance()
|
|
|
|
if check_plugin_deallocation:
|
|
gc.collect()
|
|
|
|
# TODO(marun) Ensure that mocks are deallocated?
|
|
if plugin() and not isinstance(plugin(), mock.Base):
|
|
self.fail('The plugin for this test was not deallocated.')
|
|
|
|
def setup_coreplugin(self, core_plugin=None):
|
|
# Plugin cleanup should be triggered last so that
|
|
# test-specific cleanup has a chance to release references.
|
|
self.addCleanup(self.cleanup_core_plugin)
|
|
if core_plugin is not None:
|
|
cfg.CONF.set_override('core_plugin', core_plugin)
|
|
|
|
|
|
class NotificationSetupHelper(object):
|
|
"""Mixin for use with testtools.TestCase."""
|
|
|
|
def setup_notification_driver(self, notification_driver=None):
|
|
self.addCleanup(fake_notifier.reset)
|
|
if notification_driver is None:
|
|
notification_driver = [fake_notifier.__name__]
|
|
cfg.CONF.set_override("notification_driver", notification_driver)
|