neutron-vpnaas/neutron_vpnaas/tests/unit/services/vpn/test_vpn_service.py

127 lines
5.1 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 mock
from neutron.agent.l3 import legacy_router
from neutron.callbacks import registry
from oslo_config import cfg
from oslo_utils import uuidutils
from neutron_vpnaas.extensions import vpnaas
from neutron_vpnaas.services.vpn import agent as vpn_agent
from neutron_vpnaas.services.vpn import device_drivers
from neutron_vpnaas.services.vpn import vpn_service
from neutron_vpnaas.tests import base
_uuid = uuidutils.generate_uuid
VPNAAS_NOP_DEVICE = ('neutron_vpnaas.tests.unit.services.'
'vpn.test_vpn_service.NoopDeviceDriver')
VPNAAS_DEFAULT_DEVICE = ('neutron_vpnaas.services.vpn.'
'device_drivers.ipsec.OpenSwanDriver')
FAKE_ROUTER_ID = _uuid()
class NoopDeviceDriver(device_drivers.DeviceDriver):
def sync(self, context, processes):
pass
def create_router(self, router_info):
pass
def destroy_router(self, process_id):
pass
class VPNBaseTestCase(base.BaseTestCase):
def setUp(self):
super(VPNBaseTestCase, self).setUp()
self.conf = cfg.CONF
self.ri_kwargs = {'router': {'id': FAKE_ROUTER_ID, 'ha': False},
'agent_conf': self.conf,
'interface_driver': mock.sentinel.interface_driver}
class TestVirtualPrivateNetworkDeviceDriverLoading(VPNBaseTestCase):
def setUp(self):
super(TestVirtualPrivateNetworkDeviceDriverLoading, self).setUp()
cfg.CONF.register_opts(vpn_agent.vpn_agent_opts, 'vpnagent')
self.agent = mock.Mock()
self.agent.conf = cfg.CONF
mock.patch.object(registry, 'subscribe').start()
self.service = vpn_service.VPNService(self.agent)
def test_loading_vpn_device_drivers(self):
"""Get two device drivers (in a list) for VPNaaS."""
cfg.CONF.set_override('vpn_device_driver',
[VPNAAS_NOP_DEVICE, VPNAAS_NOP_DEVICE],
'vpnagent')
drivers = self.service.load_device_drivers('host')
self.assertEqual(2, len(drivers))
self.assertIn(drivers[0].__class__.__name__, VPNAAS_NOP_DEVICE)
self.assertIn(drivers[1].__class__.__name__, VPNAAS_NOP_DEVICE)
def test_use_default_for_vpn_device_driver(self):
"""When no VPNaaS device drivers specified, we get the default."""
drivers = self.service.load_device_drivers('host')
self.assertEqual(1, len(drivers))
self.assertIn(drivers[0].__class__.__name__, VPNAAS_DEFAULT_DEVICE)
def test_fail_no_such_vpn_device_driver(self):
"""Failure test of import error for VPNaaS device driver."""
cfg.CONF.set_override('vpn_device_driver',
['no.such.class'],
'vpnagent')
self.assertRaises(vpnaas.DeviceDriverImportError,
self.service.load_device_drivers, 'host')
class TestVPNServiceEventHandlers(VPNBaseTestCase):
def setUp(self):
super(TestVPNServiceEventHandlers, self).setUp()
self.l3_agent = mock.Mock()
self.l3_agent.context = mock.sentinel.context
mock.patch.object(registry, 'subscribe').start()
self.service = vpn_service.VPNService(mock.Mock())
self.device_driver = mock.Mock()
self.l3_agent.device_drivers = [self.device_driver]
def test_router_added_actions(self):
ri = legacy_router.LegacyRouter(FAKE_ROUTER_ID, **self.ri_kwargs)
vpn_service.router_added_actions(mock.Mock(), mock.Mock(),
self.l3_agent, router=ri)
self.device_driver.create_router.assert_called_once_with(ri)
self.device_driver.sync.assert_called_once_with(self.l3_agent.context,
[ri.router])
def test_router_removed_actions(self):
ri = legacy_router.LegacyRouter(FAKE_ROUTER_ID, **self.ri_kwargs)
vpn_service.router_removed_actions(mock.Mock(), mock.Mock(),
self.l3_agent, router=ri)
self.device_driver.destroy_router.assert_called_once_with(
FAKE_ROUTER_ID)
def test_router_updated_actions(self):
ri = legacy_router.LegacyRouter(FAKE_ROUTER_ID, **self.ri_kwargs)
vpn_service.router_updated_actions(mock.Mock(), mock.Mock(),
self.l3_agent, router=ri)
self.device_driver.sync.assert_called_once_with(self.l3_agent.context,
[ri.router])