1da279b3ad
As commented in [1], "unittest.mock" has been supported in the Python internal unit testing framework since version 3.3. [1]http://lists.openstack.org/pipermail/openstack-discuss/2020-March/013281.html Change-Id: If71241a412ecfe3471a472802e18c986bd05d5b1
275 lines
12 KiB
Python
275 lines
12 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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from unittest import mock
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from oslo_utils import excutils
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from oslo_utils import uuidutils
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from neutron_lib.api.definitions import portbindings_extended as pb_ext
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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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from neutron_lib.tests import _base as 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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def test_is_valid_vlan_tag(self):
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for v in [constants.MIN_VLAN_TAG, constants.MIN_VLAN_TAG + 2,
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constants.MAX_VLAN_TAG, constants.MAX_VLAN_TAG - 2]:
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self.assertTrue(utils.is_valid_vlan_tag(v))
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def test_is_valid_vlan_tag_invalid_data(self):
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for v in [constants.MIN_VLAN_TAG - 1, constants.MIN_VLAN_TAG - 2,
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constants.MAX_VLAN_TAG + 1, constants.MAX_VLAN_TAG + 2]:
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self.assertFalse(utils.is_valid_vlan_tag(v))
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def test_verify_vlan_range(self):
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for v in [(constants.MIN_VLAN_TAG, constants.MIN_VLAN_TAG + 2),
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(constants.MIN_VLAN_TAG + 2, constants.MAX_VLAN_TAG - 2)]:
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self.assertIsNone(utils.verify_vlan_range(v))
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def test_verify_vlan_range_invalid_range(self):
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for v in [(constants.MIN_VLAN_TAG, constants.MAX_VLAN_TAG + 2),
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(constants.MIN_VLAN_TAG + 4, constants.MIN_VLAN_TAG + 1)]:
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self.assertRaises(exceptions.NetworkVlanRangeError,
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utils.verify_vlan_range, v)
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def test_parse_network_vlan_range(self):
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self.assertEqual(
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('n1', (1, 3)),
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utils.parse_network_vlan_range('n1:1:3'))
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self.assertEqual(
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('n1', (1, 1111)),
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utils.parse_network_vlan_range('n1:1:1111'))
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def test_parse_network_vlan_range_invalid_range(self):
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self.assertRaises(exceptions.NetworkVlanRangeError,
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utils.parse_network_vlan_range,
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'n1:1,4')
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def test_parse_network_vlan_range_missing_network(self):
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self.assertRaises(exceptions.PhysicalNetworkNameError,
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utils.parse_network_vlan_range,
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':1:4')
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def test_parse_network_vlan_range_invalid_min_type(self):
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self.assertRaises(exceptions.NetworkVlanRangeError,
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utils.parse_network_vlan_range,
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'n1:a:4')
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def test_parse_network_vlan_ranges(self):
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ranges = utils.parse_network_vlan_ranges(['n1:1:3', 'n2:2:4'])
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self.assertEqual(2, len(ranges.keys()))
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self.assertIn('n1', ranges.keys())
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self.assertIn('n2', ranges.keys())
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self.assertEqual(2, len(ranges['n1'][0]))
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self.assertEqual(1, ranges['n1'][0][0])
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self.assertEqual(3, ranges['n1'][0][1])
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self.assertEqual(2, len(ranges['n2'][0]))
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self.assertEqual(2, ranges['n2'][0][0])
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self.assertEqual(4, ranges['n2'][0][1])
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def test_is_valid_gre_id(self):
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for v in [constants.MIN_GRE_ID, constants.MIN_GRE_ID + 2,
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constants.MAX_GRE_ID, constants.MAX_GRE_ID - 2]:
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self.assertTrue(utils.is_valid_gre_id(v))
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def test_is_valid_gre_id_invalid_id(self):
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for v in [constants.MIN_GRE_ID - 1, constants.MIN_GRE_ID - 2,
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True, 'z', 99.999, []]:
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self.assertFalse(utils.is_valid_gre_id(v))
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def test_is_valid_vxlan_vni(self):
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for v in [constants.MIN_VXLAN_VNI, constants.MAX_VXLAN_VNI,
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constants.MIN_VXLAN_VNI + 1, constants.MAX_VXLAN_VNI - 1]:
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self.assertTrue(utils.is_valid_vxlan_vni(v))
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def test_is_valid_vxlan_vni_invalid_values(self):
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for v in [constants.MIN_VXLAN_VNI - 1, constants.MAX_VXLAN_VNI + 1,
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True, 'a', False, {}]:
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self.assertFalse(utils.is_valid_vxlan_vni(v))
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def test_is_valid_geneve_vni(self):
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for v in [constants.MIN_GENEVE_VNI, constants.MAX_GENEVE_VNI,
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constants.MIN_GENEVE_VNI + 1, constants.MAX_GENEVE_VNI - 1]:
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self.assertTrue(utils.is_valid_geneve_vni(v))
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def test_is_valid_geneve_vni_invalid_values(self):
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for v in [constants.MIN_GENEVE_VNI - 1, constants.MAX_GENEVE_VNI + 1,
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True, False, (), 'True']:
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self.assertFalse(utils.is_valid_geneve_vni(v))
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def test_verify_tunnel_range_known_tunnel_type(self):
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mock_fns = [mock.Mock(return_value=False) for _ in range(3)]
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mock_map = {
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constants.TYPE_GRE: mock_fns[0],
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constants.TYPE_VXLAN: mock_fns[1],
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constants.TYPE_GENEVE: mock_fns[2]
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}
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with mock.patch.dict(utils._TUNNEL_MAPPINGS, mock_map):
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for t in [constants.TYPE_GRE, constants.TYPE_VXLAN,
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constants.TYPE_GENEVE]:
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self.assertRaises(
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exceptions.NetworkTunnelRangeError,
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utils.verify_tunnel_range, [0, 1], t)
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for f in mock_fns:
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f.assert_called_once_with(0)
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def test_verify_tunnel_range_invalid_range(self):
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for r in [[1, 0], [0, -1], [2, 1]]:
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self.assertRaises(
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exceptions.NetworkTunnelRangeError,
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utils.verify_tunnel_range, r, constants.TYPE_FLAT)
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def test_verify_tunnel_range(self):
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for r in [[0, 1], [-1, 0], [1, 2]]:
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self.assertIsNone(
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utils.verify_tunnel_range(r, constants.TYPE_FLAT))
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def test_delete_port_on_error(self):
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core_plugin = mock.Mock()
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with mock.patch.object(excutils, 'save_and_reraise_exception'):
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with mock.patch.object(utils, 'LOG'):
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with utils.delete_port_on_error(core_plugin, 'ctx', '1'):
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raise Exception()
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core_plugin.delete_port.assert_called_once_with(
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'ctx', '1', l3_port_check=False)
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def test_update_port_on_error(self):
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core_plugin = mock.Mock()
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with mock.patch.object(excutils, 'save_and_reraise_exception'):
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with mock.patch.object(utils, 'LOG'):
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with utils.update_port_on_error(core_plugin, 'ctx', '1', '2'):
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raise Exception()
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core_plugin.update_port.assert_called_once_with(
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'ctx', '1', {'port': '2'})
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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_create_network(self):
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mock_plugin = mock.Mock()
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mock_plugin.create_network = lambda c, n: n
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mock_ctx = mock.Mock()
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mock_ctx.project_id = 'p1'
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net = utils.create_network(
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mock_plugin, mock_ctx, {'network': {'name': 'n1'}})
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self.assertDictEqual(
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{'project_id': 'p1', 'admin_state_up': True, 'shared': False,
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'tenant_id': 'p1', 'name': 'n1'},
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net['network'])
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def test_create_subnet(self):
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mock_plugin = mock.Mock()
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mock_plugin.create_subnet = lambda c, s: s
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mock_ctx = mock.Mock()
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mock_ctx.project_id = 'p1'
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net_id = uuidutils.generate_uuid()
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snet = utils.create_subnet(
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mock_plugin, mock_ctx,
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{'subnet': {'network_id': net_id, 'ip_version': 4}})
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self.assertEqual('p1', snet['subnet']['tenant_id'])
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self.assertEqual('p1', snet['subnet']['project_id'])
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self.assertEqual(4, snet['subnet']['ip_version'])
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self.assertEqual(net_id, snet['subnet']['network_id'])
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def test_create_port(self):
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mock_plugin = mock.Mock()
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mock_plugin.create_port = lambda c, p: p
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mock_ctx = mock.Mock()
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mock_ctx.project_id = 'p1'
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net_id = uuidutils.generate_uuid()
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port = utils.create_port(
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mock_plugin, mock_ctx,
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{'port': {'network_id': net_id, 'name': 'aport'}})
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self.assertEqual('p1', port['port']['tenant_id'])
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self.assertEqual('p1', port['port']['project_id'])
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self.assertEqual('aport', port['port']['name'])
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self.assertEqual(net_id, port['port']['network_id'])
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def test_get_port_binding_by_status_and_host(self):
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bindings = []
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self.assertIsNone(utils.get_port_binding_by_status_and_host(
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bindings, constants.INACTIVE))
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bindings.extend([{pb_ext.STATUS: constants.INACTIVE,
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pb_ext.HOST: 'host-1'},
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{pb_ext.STATUS: constants.INACTIVE,
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pb_ext.HOST: 'host-2'}])
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self.assertEqual(
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'host-1', utils.get_port_binding_by_status_and_host(
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bindings,
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constants.INACTIVE)[pb_ext.HOST])
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self.assertEqual(
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'host-2', utils.get_port_binding_by_status_and_host(
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bindings,
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constants.INACTIVE,
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host='host-2')[pb_ext.HOST])
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self.assertIsNone(utils.get_port_binding_by_status_and_host(
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bindings, constants.ACTIVE))
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self.assertRaises(exceptions.PortBindingNotFound,
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utils.get_port_binding_by_status_and_host, bindings,
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constants.ACTIVE, 'host', True, 'port_id')
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