vmware-nsx/neutron/tests/unit/test_neutron_manager.py
Henry Gessau 39e696908f Remove individual cfg.CONF.resets from tests
oslo.config.CONF.reset is added to cleanup in BaseTestCase, so it does
not need to be done by individual test cases.

Change-Id: I5fced5c2d480e78e5bb7cc150f0b653313884456
Closes-Bug: #1291144
2014-03-17 12:34:56 -04:00

159 lines
6.5 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright (c) 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 os
import types
import fixtures
from oslo.config import cfg
from neutron.common import config
from neutron.manager import NeutronManager
from neutron.manager import validate_post_plugin_load
from neutron.manager import validate_pre_plugin_load
from neutron.openstack.common import log as logging
from neutron.plugins.common import constants
from neutron.tests import base
from neutron.tests.unit import dummy_plugin
LOG = logging.getLogger(__name__)
DB_PLUGIN_KLASS = 'neutron.db.db_base_plugin_v2.NeutronDbPluginV2'
ROOTDIR = os.path.dirname(os.path.dirname(__file__))
ETCDIR = os.path.join(ROOTDIR, 'etc')
def etcdir(*p):
return os.path.join(ETCDIR, *p)
class MultiServiceCorePlugin(object):
supported_extension_aliases = ['lbaas', 'dummy']
class CorePluginWithAgentNotifiers(object):
agent_notifiers = {'l3': 'l3_agent_notifier',
'dhcp': 'dhcp_agent_notifier'}
class NeutronManagerTestCase(base.BaseTestCase):
def setUp(self):
super(NeutronManagerTestCase, self).setUp()
args = ['--config-file', etcdir('neutron.conf.test')]
# If test_config specifies some config-file, use it, as well
config.parse(args=args)
self.setup_coreplugin()
self.useFixture(
fixtures.MonkeyPatch('neutron.manager.NeutronManager._instance'))
def test_service_plugin_is_loaded(self):
cfg.CONF.set_override("core_plugin", DB_PLUGIN_KLASS)
cfg.CONF.set_override("service_plugins",
["neutron.tests.unit.dummy_plugin."
"DummyServicePlugin"])
mgr = NeutronManager.get_instance()
plugin = mgr.get_service_plugins()[constants.DUMMY]
self.assertTrue(
isinstance(plugin,
(dummy_plugin.DummyServicePlugin, types.ClassType)),
"loaded plugin should be of type neutronDummyPlugin")
def test_service_plugin_by_name_is_loaded(self):
cfg.CONF.set_override("core_plugin", DB_PLUGIN_KLASS)
cfg.CONF.set_override("service_plugins", ["dummy"])
mgr = NeutronManager.get_instance()
plugin = mgr.get_service_plugins()[constants.DUMMY]
self.assertTrue(
isinstance(plugin,
(dummy_plugin.DummyServicePlugin, types.ClassType)),
"loaded plugin should be of type neutronDummyPlugin")
def test_multiple_plugins_specified_for_service_type(self):
cfg.CONF.set_override("service_plugins",
["neutron.tests.unit.dummy_plugin."
"DummyServicePlugin",
"neutron.tests.unit.dummy_plugin."
"DummyServicePlugin"])
cfg.CONF.set_override("core_plugin", DB_PLUGIN_KLASS)
self.assertRaises(ValueError, NeutronManager.get_instance)
def test_multiple_plugins_by_name_specified_for_service_type(self):
cfg.CONF.set_override("service_plugins", ["dummy", "dummy"])
cfg.CONF.set_override("core_plugin", DB_PLUGIN_KLASS)
self.assertRaises(ValueError, NeutronManager.get_instance)
def test_multiple_plugins_mixed_specified_for_service_type(self):
cfg.CONF.set_override("service_plugins",
["neutron.tests.unit.dummy_plugin."
"DummyServicePlugin", "dummy"])
cfg.CONF.set_override("core_plugin", DB_PLUGIN_KLASS)
self.assertRaises(ValueError, NeutronManager.get_instance)
def test_service_plugin_conflicts_with_core_plugin(self):
cfg.CONF.set_override("service_plugins",
["neutron.tests.unit.dummy_plugin."
"DummyServicePlugin"])
cfg.CONF.set_override("core_plugin",
"neutron.tests.unit.test_neutron_manager."
"MultiServiceCorePlugin")
self.assertRaises(ValueError, NeutronManager.get_instance)
def test_core_plugin_supports_services(self):
cfg.CONF.set_override("core_plugin",
"neutron.tests.unit.test_neutron_manager."
"MultiServiceCorePlugin")
mgr = NeutronManager.get_instance()
svc_plugins = mgr.get_service_plugins()
self.assertEqual(3, len(svc_plugins))
self.assertIn(constants.CORE, svc_plugins.keys())
self.assertIn(constants.LOADBALANCER, svc_plugins.keys())
self.assertIn(constants.DUMMY, svc_plugins.keys())
def test_post_plugin_validation(self):
cfg.CONF.import_opt('dhcp_agents_per_network',
'neutron.db.agentschedulers_db')
self.assertIsNone(validate_post_plugin_load())
cfg.CONF.set_override('dhcp_agents_per_network', 2)
self.assertIsNone(validate_post_plugin_load())
cfg.CONF.set_override('dhcp_agents_per_network', 0)
self.assertIsNotNone(validate_post_plugin_load())
cfg.CONF.set_override('dhcp_agents_per_network', -1)
self.assertIsNotNone(validate_post_plugin_load())
def test_pre_plugin_validation(self):
self.assertIsNotNone(validate_pre_plugin_load())
cfg.CONF.set_override('core_plugin', 'dummy.plugin')
self.assertIsNone(validate_pre_plugin_load())
def test_manager_gathers_agent_notifiers_from_service_plugins(self):
cfg.CONF.set_override("service_plugins",
["neutron.tests.unit.dummy_plugin."
"DummyServicePlugin"])
cfg.CONF.set_override("core_plugin",
"neutron.tests.unit.test_neutron_manager."
"CorePluginWithAgentNotifiers")
expected = {'l3': 'l3_agent_notifier',
'dhcp': 'dhcp_agent_notifier',
'dummy': 'dummy_agent_notifier'}
core_plugin = NeutronManager.get_plugin()
self.assertEqual(expected, core_plugin.agent_notifiers)