55 lines
2.2 KiB
Python
55 lines
2.2 KiB
Python
# Copyright 2015 Red Hat, Inc.
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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 neutron.agent.common import config
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from neutron.agent.common import utils
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from neutron.agent.linux import interface
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from neutron.tests import base
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from neutron.tests.unit import testlib_api
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class TestLoadInterfaceDriver(base.BaseTestCase):
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def setUp(self):
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super(TestLoadInterfaceDriver, self).setUp()
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self.conf = config.setup_conf()
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self.conf.register_opts(interface.OPTS)
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config.register_interface_driver_opts_helper(self.conf)
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def test_load_interface_driver_not_set(self):
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with testlib_api.ExpectedException(SystemExit):
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utils.load_interface_driver(self.conf)
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def test_load_interface_driver_wrong_driver(self):
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self.conf.set_override('interface_driver', 'neutron.NonExistentDriver')
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with testlib_api.ExpectedException(SystemExit):
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utils.load_interface_driver(self.conf)
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def test_load_interface_driver_does_not_consume_irrelevant_errors(self):
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self.conf.set_override('interface_driver',
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'neutron.agent.linux.interface.NullDriver')
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with mock.patch('oslo_utils.importutils.import_object',
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side_effect=RuntimeError()):
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with testlib_api.ExpectedException(RuntimeError):
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utils.load_interface_driver(self.conf)
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def test_load_interface_driver_success(self):
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self.conf.set_override('interface_driver',
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'neutron.agent.linux.interface.NullDriver')
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self.assertIsInstance(utils.load_interface_driver(self.conf),
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interface.NullDriver)
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