neutron-fwaas/quantum/tests/unit/test_agent_ovs_cleanup.py
Monty Taylor 511ac76cf2 Use testtools instead of unittest or unittest2.
As part of the move towards testr and parallel test running, we
start to use testtools and fixtures to make the test suite
resilient and more pedantic.

Part of blueprint grizzly-testtools

Change-Id: I90250de9fe21237db34f6a50b89b15863e270aa5
2013-02-26 19:32:30 +09:00

100 lines
4.2 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright (c) 2012 OpenStack LLC.
# 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 contextlib
import itertools
import mock
from oslo.config import cfg
import testtools
from quantum.agent.linux import ip_lib
from quantum.agent.linux import ovs_lib
from quantum.agent import ovs_cleanup_util as util
from quantum.openstack.common import uuidutils
class TestOVSCleanup(testtools.TestCase):
def setUp(self):
super(TestOVSCleanup, self).setUp()
self.addCleanup(cfg.CONF.reset)
def test_setup_conf(self):
conf = util.setup_conf()
self.assertEqual(conf.external_network_bridge, 'br-ex')
self.assertEqual(conf.ovs_integration_bridge, 'br-int')
self.assertFalse(conf.ovs_all_ports)
self.assertEqual(conf.AGENT.root_helper, 'sudo')
def test_main(self):
bridges = ['br-int', 'br-ex']
ports = ['p1', 'p2', 'p3']
conf = mock.Mock()
conf.AGENT.root_helper = 'dummy_sudo'
conf.ovs_all_ports = False
conf.ovs_integration_bridge = 'br-int'
conf.external_network_bridge = 'br-ex'
with contextlib.nested(
mock.patch('quantum.common.config.setup_logging'),
mock.patch('quantum.agent.ovs_cleanup_util.setup_conf',
return_value=conf),
mock.patch('quantum.agent.linux.ovs_lib.get_bridges',
return_value=bridges),
mock.patch('quantum.agent.linux.ovs_lib.OVSBridge'),
mock.patch.object(util, 'collect_quantum_ports',
return_value=ports),
mock.patch.object(util, 'delete_quantum_ports')
) as (_log, _conf, _get, ovs, collect, delete):
with mock.patch('quantum.common.config.setup_logging'):
util.main()
ovs.assert_has_calls([mock.call().delete_ports(
all_ports=False)])
collect.assert_called_once_with(set(bridges), 'dummy_sudo')
delete.assert_called_once_with(ports, 'dummy_sudo')
def test_collect_quantum_ports(self):
port1 = ovs_lib.VifPort('tap1234', 1, uuidutils.generate_uuid(),
'11:22:33:44:55:66', 'br')
port2 = ovs_lib.VifPort('tap5678', 2, uuidutils.generate_uuid(),
'77:88:99:aa:bb:cc', 'br')
port3 = ovs_lib.VifPort('tap90ab', 3, uuidutils.generate_uuid(),
'99:00:aa:bb:cc:dd', 'br')
ports = [[port1, port2], [port3]]
portnames = [p.port_name for p in itertools.chain(*ports)]
with mock.patch('quantum.agent.linux.ovs_lib.OVSBridge') as ovs:
ovs.return_value.get_vif_ports.side_effect = ports
bridges = ['br-int', 'br-ex']
ret = util.collect_quantum_ports(bridges, 'dummy_sudo')
self.assertEqual(ret, portnames)
def test_delete_quantum_ports(self):
ports = ['tap1234', 'tap5678', 'tap09ab']
port_found = [True, False, True]
delete_ports = [p for p, found
in itertools.izip(ports, port_found) if found]
with contextlib.nested(
mock.patch.object(ip_lib, 'device_exists',
side_effect=port_found),
mock.patch.object(ip_lib, 'IPDevice')
) as (device_exists, ip_dev):
util.delete_quantum_ports(ports, 'dummy_sudo')
device_exists.assert_has_calls([mock.call(p) for p in ports])
ip_dev.assert_has_calls(
[mock.call('tap1234', 'dummy_sudo'),
mock.call().link.delete(),
mock.call('tap09ab', 'dummy_sudo'),
mock.call().link.delete()])