210 lines
7.7 KiB
Python
210 lines
7.7 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2014 Mirantis, Inc.
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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 os
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import mock
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from fuel_upgrade.engines.host_system import HostSystemUpgrader
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from fuel_upgrade.tests.base import BaseTestCase
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from fuel_upgrade.upgrade import UpgradeManager
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class TestUpgradeManager(BaseTestCase):
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def setUp(self):
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super(TestUpgradeManager, self).setUp()
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self.version_mock = mock.MagicMock()
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self.version_patcher = mock.patch(
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'fuel_upgrade.upgrade.VersionFile', return_value=self.version_mock)
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self.version_patcher.start()
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def tearDown(self):
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self.version_patcher.stop()
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super(TestUpgradeManager, self).tearDown()
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def default_args(self, **kwargs):
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default = {
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'upgraders': [mock.Mock()],
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'config': self.fake_config,
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'no_rollback': False}
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default.update(kwargs)
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return default
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def test_run_rollback_in_case_of_errors(self):
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upgrader = UpgradeManager(**self.default_args())
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engine_mock = upgrader._upgraders[0]
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engine_mock.upgrade.side_effect = Exception('Upgrade failed')
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self.assertRaisesRegexp(
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Exception, 'Upgrade failed', upgrader.run)
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self.called_once(self.version_mock.save_current)
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self.called_once(self.version_mock.switch_to_new)
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engine_mock.upgrade.assert_called_once_with()
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engine_mock.rollback.assert_called_once_with()
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self.called_once(self.version_mock.switch_to_previous)
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def test_run_rollback_for_used_engines(self):
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upgrader = UpgradeManager(**self.default_args(
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upgraders=[mock.Mock(), mock.Mock(), mock.Mock()],
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))
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upgrader._upgraders[1].upgrade.side_effect = Exception('Failed')
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self.assertRaisesRegexp(Exception, 'Failed', upgrader.run)
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self.called_once(upgrader._upgraders[0].upgrade)
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self.called_once(upgrader._upgraders[0].rollback)
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self.called_once(upgrader._upgraders[1].upgrade)
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self.called_once(upgrader._upgraders[1].rollback)
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self.method_was_not_called(upgrader._upgraders[2].upgrade)
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self.method_was_not_called(upgrader._upgraders[2].rollback)
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def test_run_backup_for_all_engines(self):
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upgrader = UpgradeManager(**self.default_args(
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upgraders=[mock.Mock(), mock.Mock()],
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))
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upgrader.run()
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self.called_once(upgrader._upgraders[0].backup)
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self.called_once(upgrader._upgraders[1].backup)
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def test_run_backup_fails(self):
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upgrader = UpgradeManager(**self.default_args(
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upgraders=[mock.Mock(), mock.Mock()],
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))
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upgrader._upgraders[1].backup.side_effect = Exception('Backup fails')
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self.assertRaisesRegexp(
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Exception, 'Backup fails', upgrader.run)
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self.called_once(upgrader._upgraders[0].backup)
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self.called_once(upgrader._upgraders[1].backup)
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self.method_was_not_called(upgrader._upgraders[0].rollback)
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self.method_was_not_called(upgrader._upgraders[1].rollback)
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def test_run_upgrade_for_all_engines(self):
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upgrader = UpgradeManager(**self.default_args(
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upgraders=[mock.Mock(), mock.Mock()],
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))
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upgrader.run()
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self.called_once(upgrader._upgraders[0].upgrade)
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self.method_was_not_called(upgrader._upgraders[0].rollback)
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self.called_once(upgrader._upgraders[1].upgrade)
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self.method_was_not_called(upgrader._upgraders[1].rollback)
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def test_does_not_run_rollback_if_disabled(self):
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upgrader = UpgradeManager(**self.default_args(no_rollback=True))
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engine_mock = upgrader._upgraders[0]
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engine_mock.upgrade.side_effect = Exception('Upgrade failed')
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self.assertRaisesRegexp(
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Exception, 'Upgrade failed', upgrader.run)
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engine_mock.upgrade.assert_called_once_with()
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self.method_was_not_called(engine_mock.rollback)
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def test_upgrade_succed(self):
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upgrader = UpgradeManager(**self.default_args())
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engine_mock = upgrader._upgraders[0]
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upgrader.run()
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engine_mock.upgrade.assert_called_once_with()
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self.method_was_not_called(engine_mock.rollback)
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self.called_once(self.version_mock.save_current)
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self.called_once(self.version_mock.switch_to_new)
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self.method_was_not_called(self.version_mock.switch_to_previous)
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def test_upgrade_run_on_success_methods(self):
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upgrader = UpgradeManager(**self.default_args())
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upgrader._on_success = mock.Mock()
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upgrader.run()
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self.called_once(upgrader._on_success)
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def test_upgrade_does_not_fail_if_on_success_method_raise_error(self):
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upgrader = UpgradeManager(**self.default_args())
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upgrader._on_success = mock.Mock()
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upgrader._on_success.side_effect = Exception('error')
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upgrader.run()
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@mock.patch('fuel_upgrade.engines.host_system.SupervisorClient')
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def test_hostsystem_rollback_is_first(self, _):
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args = self.default_args()
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hostsystem = HostSystemUpgrader(args['config'])
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hostsystem.upgrade = mock.Mock()
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hostsystem.rollback = mock.Mock()
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def check_call():
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hostsystem.rollback.assert_called_once_with()
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# there's no way to check call order of different mocks, so
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# let's use this trick - check that all mock calls were
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# after hostsystem rollback call.
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args['upgraders'] = [
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hostsystem,
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mock.Mock(rollback=mock.Mock(side_effect=check_call)),
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mock.Mock(rollback=mock.Mock(side_effect=check_call))]
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upgrader = UpgradeManager(**args)
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upgrader._used_upgraders = args['upgraders']
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upgrader.rollback()
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@mock.patch('fuel_upgrade.upgrade.utils')
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@mock.patch('fuel_upgrade.upgrade.glob.glob',
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return_value=['file1', 'file2'])
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def test_on_success(self, glob_mock, utils_mock):
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upgrader = UpgradeManager(**self.default_args())
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upgrader._on_success()
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glob_mock.assert_called_once_with(self.fake_config.version_files_mask)
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self.assertEqual(
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utils_mock.remove.call_args_list,
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[mock.call('file1'), mock.call('file2')])
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templates_path = os.path.abspath(
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os.path.join(os.path.dirname(__file__), '../templates'))
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utils_mock.render_template_to_file.assert_has_calls([
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mock.call(
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'{0}/nailgun.repo'.format(templates_path),
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'/etc/yum.repos.d/mos9999-updates.repo',
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{
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'name': 'mos9999-updates',
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'baseurl': 'http://mirror.fuel-infra.org/mos-repos/'
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'centos/mos9999-centos6-fuel/updates/x86_64/',
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'gpgcheck': 0,
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'skip_if_unavailable': 1,
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}),
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mock.call(
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'{0}/nailgun.repo'.format(templates_path),
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'/etc/yum.repos.d/mos9999-security.repo',
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{
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'name': 'mos9999-security',
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'baseurl': 'http://mirror.fuel-infra.org/mos-repos/'
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'centos/mos9999-centos6-fuel/security/x86_64/',
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'gpgcheck': 0,
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'skip_if_unavailable': 1,
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}),
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])
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