c01a7a74f0
In Python 3, the mock module is now part of the unittest module. We no longer support Python 2, so there's no reason for the import checks. Change-Id: I7b4d68cba4b587ad9f0121058ba615a9bb0aec93
84 lines
3.3 KiB
Python
84 lines
3.3 KiB
Python
# Copyright 2015 Cloudbase Solutions Srl
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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 unittest
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import unittest.mock as mock
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from cloudbaseinit import conf as cloudbaseinit_conf
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from cloudbaseinit.tests import testutils
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from cloudbaseinit.utils import hostname
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CONF = cloudbaseinit_conf.CONF
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class HostnameUtilsTest(unittest.TestCase):
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@testutils.ConfPatcher('netbios_host_name_compatibility', True)
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@mock.patch('platform.node')
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def _test_set_hostname(self, mock_node, new_hostname='hostname',
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expected_new_hostname='hostname',
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hostname_already_set=False):
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mock_osutils = mock.MagicMock()
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mock_osutils.set_host_name.return_value = True
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if hostname_already_set:
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mock_node.return_value = expected_new_hostname
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else:
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mock_node.return_value = 'fake_old_hostname'
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(new_hostname, reboot_required) = hostname.set_hostname(
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mock_osutils, new_hostname)
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if hostname_already_set:
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self.assertFalse(mock_osutils.set_host_name.called)
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else:
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mock_osutils.set_host_name.assert_called_once_with(
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expected_new_hostname)
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self.assertEqual((new_hostname, reboot_required),
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(expected_new_hostname, not hostname_already_set))
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def test_execute_hostname_already_set(self):
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self._test_set_hostname(hostname_already_set=True)
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def test_execute_hostname_to_be_truncated(self):
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new_hostname = 'x' * (hostname.NETBIOS_HOST_NAME_MAX_LEN + 1)
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expected_new_hostname = new_hostname[:-1]
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with testutils.LogSnatcher('cloudbaseinit.utils.'
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'hostname') as snatcher:
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self._test_set_hostname(
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new_hostname=new_hostname,
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expected_new_hostname=expected_new_hostname)
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expected = [
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'Truncating host name for Netbios compatibility. '
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'Old name: {0}, new name: {1}'.format(
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new_hostname, expected_new_hostname),
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'Setting hostname: xxxxxxxxxxxxxxx'
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]
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self.assertEqual(expected, snatcher.output)
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def test_execute_no_truncate_needed(self):
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new_hostname = 'x' * hostname.NETBIOS_HOST_NAME_MAX_LEN
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expected_new_hostname = 'x' * hostname.NETBIOS_HOST_NAME_MAX_LEN
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self._test_set_hostname(new_hostname=new_hostname,
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expected_new_hostname=expected_new_hostname)
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def test_execute_truncate_to_zero(self):
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new_hostname = 'x' * (hostname.NETBIOS_HOST_NAME_MAX_LEN - 1) + '-'
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expected_new_hostname = 'x' * (
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hostname.NETBIOS_HOST_NAME_MAX_LEN - 1) + '0'
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self._test_set_hostname(new_hostname=new_hostname,
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expected_new_hostname=expected_new_hostname)
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