99 lines
3.7 KiB
Python
99 lines
3.7 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import itertools
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import random
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import socket
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import mock
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from neutron_lib import constants
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from neutron_lib.tests import _base as base
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from neutron_lib.utils import net
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class TestGetHostname(base.BaseTestCase):
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@mock.patch.object(socket, 'gethostname',
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return_value='fake-host-name')
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def test_get_hostname(self, mock_gethostname):
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self.assertEqual('fake-host-name',
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net.get_hostname())
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mock_gethostname.assert_called_once_with()
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class TestGetRandomMac(base.BaseTestCase):
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@mock.patch.object(random, 'getrandbits', return_value=0xa2)
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def test_first_4_octets_unchanged(self, mock_rnd):
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mac = net.get_random_mac(['aa', 'bb', '00', 'dd', 'ee', 'ff'])
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self.assertEqual('aa:bb:00:dd:a2:a2', mac)
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mock_rnd.assert_called_with(8)
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@mock.patch.object(random, 'getrandbits', return_value=0xa2)
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def test_first_4th_octet_generated(self, mock_rnd):
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mac = net.get_random_mac(['aa', 'bb', 'cc', '00', 'ee', 'ff'])
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self.assertEqual('aa:bb:cc:a2:a2:a2', mac)
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mock_rnd.assert_called_with(8)
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class TestRandomMacGenerator(base.BaseTestCase):
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def test_all_macs_generated(self):
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mac = ['aa', 'bb', 'cc', 'dd', 'ee', 'ff']
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generator = itertools.islice(net.random_mac_generator(mac), 70000)
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self.assertEqual(2**16, len(list(generator)))
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@mock.patch.object(random, 'getrandbits', return_value=0xa2)
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def test_first_generated_mac(self, mock_rnd):
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mac = ['aa', 'bb', 'cc', '00', 'ee', 'ff']
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generator = itertools.islice(net.random_mac_generator(mac), 1)
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self.assertEqual(['aa:bb:cc:a2:a2:a2'], list(generator))
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mock_rnd.assert_called_with(8)
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@mock.patch.object(random, 'getrandbits', return_value=0xa2)
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def test_respected_early_zeroes_generated_mac(self, mock_rnd):
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mac1 = ['00', 'bb', 'cc', '00', 'ee', 'ff']
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generator = itertools.islice(net.random_mac_generator(mac1), 1)
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self.assertEqual(['00:bb:cc:a2:a2:a2'], list(generator))
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mac2 = ['aa', '00', 'cc', '00', 'ee', 'ff']
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generator = itertools.islice(net.random_mac_generator(mac2), 1)
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self.assertEqual(['aa:00:cc:a2:a2:a2'], list(generator))
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mac3 = ['aa', 'bb', '00', '00', 'ee', 'ff']
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generator = itertools.islice(net.random_mac_generator(mac3), 1)
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self.assertEqual(['aa:bb:00:a2:a2:a2'], list(generator))
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mock_rnd.assert_called_with(8)
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@mock.patch.object(random, 'getrandbits', return_value=0xa2)
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def test_short_supplied_mac(self, mock_rnd):
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mac_base = '12:34:56:78'
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mac = mac_base.split(':')
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generator = itertools.islice(net.random_mac_generator(mac), 1)
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self.assertEqual(['12:34:56:78:a2:a2'], list(generator))
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mock_rnd.assert_called_with(8)
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class TestPortDeviceOwner(base.BaseTestCase):
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def test_is_port_trusted(self):
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self.assertTrue(net.is_port_trusted(
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{'device_owner':
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constants.DEVICE_OWNER_NETWORK_PREFIX + 'dev'}))
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def test_is_port_not_trusted(self):
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self.assertFalse(net.is_port_trusted(
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{'device_owner': constants.DEVICE_OWNER_COMPUTE_PREFIX + 'dev'}))
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