86 lines
3.2 KiB
Python
86 lines
3.2 KiB
Python
# Copyright (c) 2015 Rackspace
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import mock
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from oslo_utils import uuidutils
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from neutron.agent.l3 import dvr_snat_ns
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from neutron.agent.l3 import namespace_manager
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from neutron.agent.l3 import namespaces
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from neutron.agent.linux import ip_lib
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from neutron.tests import base
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_uuid = uuidutils.generate_uuid
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class NamespaceManagerTestCaseFramework(base.BaseTestCase):
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def _create_namespace_manager(self):
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self.agent_conf = mock.Mock()
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self.driver = mock.Mock()
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return namespace_manager.NamespaceManager(self.agent_conf,
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self.driver, True)
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class TestNamespaceManager(NamespaceManagerTestCaseFramework):
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def test_get_prefix_and_id(self):
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ns_manager = self._create_namespace_manager()
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router_id = _uuid()
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ns_prefix, ns_id = ns_manager.get_prefix_and_id(
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namespaces.NS_PREFIX + router_id)
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self.assertEqual(ns_prefix, namespaces.NS_PREFIX)
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self.assertEqual(ns_id, router_id)
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ns_prefix, ns_id = ns_manager.get_prefix_and_id(
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dvr_snat_ns.SNAT_NS_PREFIX + router_id)
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self.assertEqual(ns_prefix, dvr_snat_ns.SNAT_NS_PREFIX)
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self.assertEqual(ns_id, router_id)
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ns_name = 'dhcp-' + router_id
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self.assertIsNone(ns_manager.get_prefix_and_id(ns_name))
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def test_is_managed(self):
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ns_manager = self._create_namespace_manager()
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router_id = _uuid()
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router_ns_name = namespaces.NS_PREFIX + router_id
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self.assertTrue(ns_manager.is_managed(router_ns_name))
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router_ns_name = dvr_snat_ns.SNAT_NS_PREFIX + router_id
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self.assertTrue(ns_manager.is_managed(router_ns_name))
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self.assertFalse(ns_manager.is_managed('dhcp-' + router_id))
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def test_list_all(self):
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ns_manager = self._create_namespace_manager()
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ns_names = [namespaces.NS_PREFIX + _uuid(),
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dvr_snat_ns.SNAT_NS_PREFIX + _uuid(),
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'dhcp-' + _uuid(), ]
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# Test the normal path
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with mock.patch.object(ip_lib.IPWrapper, 'get_namespaces',
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return_value=ns_names):
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retrieved_ns_names = ns_manager.list_all()
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self.assertEqual(len(ns_names) - 1, len(retrieved_ns_names))
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for i in range(len(retrieved_ns_names)):
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self.assertIn(ns_names[i], retrieved_ns_names)
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self.assertNotIn(ns_names[-1], retrieved_ns_names)
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# Test path where IPWrapper raises exception
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with mock.patch.object(ip_lib.IPWrapper, 'get_namespaces',
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side_effect=RuntimeError):
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retrieved_ns_names = ns_manager.list_all()
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self.assertFalse(retrieved_ns_names)
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