118 lines
5.1 KiB
Python
118 lines
5.1 KiB
Python
# Copyright (c) 2015 IBM Corp.
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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 hashlib
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import mock
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from neutron_lib import constants
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from neutron_lib import exceptions
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from neutron_lib.plugins import utils
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import testtools
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from neutron.db import l3_db
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from neutron.tests import base
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LONG_NAME1 = "A_REALLY_LONG_INTERFACE_NAME1"
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LONG_NAME2 = "A_REALLY_LONG_INTERFACE_NAME2"
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SHORT_NAME = "SHORT"
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MOCKED_HASH = "mockedhash"
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class MockSHA(object):
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def hexdigest(self):
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return MOCKED_HASH
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class TestUtils(base.BaseTestCase):
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@mock.patch.object(hashlib, 'sha1', return_value=MockSHA())
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def test_get_interface_name(self, mock_sha1):
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prefix = "pre-"
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prefix_long = "long_prefix"
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prefix_exceeds_max_dev_len = "much_too_long_prefix"
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hash_used = MOCKED_HASH[0:6]
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self.assertEqual("A_REALLY_" + hash_used,
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utils.get_interface_name(LONG_NAME1))
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self.assertEqual("SHORT",
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utils.get_interface_name(SHORT_NAME))
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self.assertEqual("pre-A_REA" + hash_used,
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utils.get_interface_name(LONG_NAME1, prefix=prefix))
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self.assertEqual("pre-SHORT",
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utils.get_interface_name(SHORT_NAME, prefix=prefix))
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# len(prefix) > max_device_len - len(hash_used)
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self.assertRaises(ValueError, utils.get_interface_name, SHORT_NAME,
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prefix_long)
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# len(prefix) > max_device_len
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self.assertRaises(ValueError, utils.get_interface_name, SHORT_NAME,
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prefix=prefix_exceeds_max_dev_len)
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def test_get_interface_uniqueness(self):
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prefix = "prefix-"
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if_prefix1 = utils.get_interface_name(LONG_NAME1, prefix=prefix)
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if_prefix2 = utils.get_interface_name(LONG_NAME2, prefix=prefix)
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self.assertNotEqual(if_prefix1, if_prefix2)
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@mock.patch.object(hashlib, 'sha1', return_value=MockSHA())
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def test_get_interface_max_len(self, mock_sha1):
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self.assertEqual(constants.DEVICE_NAME_MAX_LEN,
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len(utils.get_interface_name(LONG_NAME1)))
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self.assertEqual(10, len(utils.get_interface_name(LONG_NAME1,
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max_len=10)))
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self.assertEqual(12, len(utils.get_interface_name(LONG_NAME1,
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prefix="pre-",
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max_len=12)))
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def test_delete_port_on_error(self):
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core_plugin, context = mock.Mock(), mock.Mock()
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port_id = 'pid'
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with testtools.ExpectedException(ValueError):
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with utils.delete_port_on_error(core_plugin, context, port_id):
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raise ValueError()
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core_plugin.delete_port.assert_called_once_with(context, port_id,
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l3_port_check=False)
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def test_delete_port_on_error_fail_port_delete(self):
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core_plugin, context = mock.Mock(), mock.Mock()
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core_plugin.delete_port.side_effect = TypeError()
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port_id = 'pid'
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with testtools.ExpectedException(ValueError):
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with utils.delete_port_on_error(core_plugin, context, port_id):
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raise ValueError()
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core_plugin.delete_port.assert_called_once_with(context, port_id,
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l3_port_check=False)
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def test_delete_port_on_error_port_does_not_exist(self):
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core_plugin, context = mock.Mock(), mock.Mock()
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port_id = 'pid'
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core_plugin.delete_port.side_effect = exceptions.PortNotFound(
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port_id=port_id)
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with testtools.ExpectedException(exceptions.PortNotFound):
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with utils.delete_port_on_error(core_plugin, context, port_id):
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raise exceptions.PortNotFound(port_id=port_id)
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core_plugin.delete_port.assert_called_once_with(context, port_id,
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l3_port_check=False)
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@mock.patch.object(l3_db.L3_NAT_dbonly_mixin, '_check_router_port')
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def test_update_port_on_error(self, mock_check):
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core_plugin, context = mock.Mock(), mock.Mock()
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port = mock_check.return_value = {'device_owner': 'xxxxxxxx'}
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revert_value = {'device_id': '', 'device_owner': port['device_owner']}
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with testtools.ExpectedException(ValueError):
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with utils.update_port_on_error(core_plugin,
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context, 1, revert_value):
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raise ValueError()
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core_plugin.update_port.assert_called_once_with(
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context, 1, {'port': revert_value})
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