neutron-vpnaas/neutron_vpnaas/tests/unit/services/vpn/common/test_netns_wrapper.py

85 lines
3.0 KiB
Python

# Copyright (c) 2015 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.tests import base
from neutron_vpnaas.services.vpn.common import netns_wrapper as nswrap
class TestNetnsWrapper(base.BaseTestCase):
def setUp(self):
super(TestNetnsWrapper, self).setUp()
patch_methods = ['filter_command',
'execute',
'setup_conf']
for method in patch_methods:
self.patch_obj(nswrap, method)
patch_classes = ['neutron.common.config.setup_logging',
'os.path.isdir',
'os.path.samefile',
'sys.exit']
for cls in patch_classes:
self.patch_cls(cls)
self.filter_command.return_value = False
self.execute.return_value = 0
self.conf = mock.Mock()
self.conf.cmd = 'ls,-al'
self.conf.mount_paths = {'/foo': '/dir/foo',
'/var': '/dir/var'}
self.setup_conf.return_value = self.conf
self.conf.rootwrap_config = 'conf'
self.isdir.return_value = True
self.samefile.return_value = False
def patch_obj(self, obj, method):
_m = mock.patch.object(obj, method)
_mock = _m.start()
setattr(self, method, _mock)
def patch_cls(self, patch_class):
_m = mock.patch(patch_class)
mock_name = patch_class.split('.')[-1]
_mock = _m.start()
setattr(self, mock_name, _mock)
def test_netns_wrap_fail_without_netns(self):
self.samefile.return_value = True
return_val = nswrap.execute_with_mount()
self.assertTrue(return_val)
def test_netns_wrap(self):
self.conf.cmd = 'ls,-al'
return_val = nswrap.execute_with_mount()
exp_calls = [mock.call(['mount', '--bind', '/dir/foo', '/foo']),
mock.call(['mount', '--bind', '/dir/var', '/var']),
mock.call('ls,-al')]
self.execute.assert_has_calls(exp_calls, any_order=False)
self.assertFalse(return_val)
def test_netns_wrap_fail_without_cmd(self):
self.conf.cmd = None
return_val = nswrap.execute_with_mount()
self.assertFalse(self.execute.called)
self.assertTrue(return_val)
def test_netns_wrap_fail_without_mount_paths(self):
self.conf.mount_paths = None
return_val = nswrap.execute_with_mount()
self.assertFalse(self.execute.called)
self.assertTrue(return_val)