251 lines
8.4 KiB
Python
251 lines
8.4 KiB
Python
#!/usr/bin/env python3
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# Copyright 2020 Canonical Ltd.
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#
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# 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 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 unittest
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from mock import patch, MagicMock
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from ops.testing import Harness
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from ops.model import (
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ActiveStatus,
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BlockedStatus,
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MaintenanceStatus,
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WaitingStatus,
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)
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import ops_openstack
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class OpenStackTestAPICharm(ops_openstack.OSBaseCharm):
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PACKAGES = ['keystone-common']
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REQUIRED_RELATIONS = ['shared-db']
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RESTART_MAP = {
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'/etc/f1.conf': ['apache2'],
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'/etc/f2.conf': ['apache2', 'ks-api'],
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'/etc/f3.conf': []}
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def custom_status_check(self):
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if self.model.config.get('custom-check-fail', 'False') == 'True':
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self.unit.status = MaintenanceStatus(
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'Custom check failed')
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return False
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else:
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return True
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class CharmTestCase(unittest.TestCase):
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def setUp(self, obj, patches):
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super().setUp()
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self.patches = patches
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self.obj = obj
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self.patch_all()
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def patch(self, method):
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_m = patch.object(self.obj, method)
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mock = _m.start()
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self.addCleanup(_m.stop)
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return mock
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def patch_all(self):
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for method in self.patches:
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setattr(self, method, self.patch(method))
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class TestOSBaseCharm(CharmTestCase):
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PATCHES = [
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'add_source',
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'apt_update',
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'apt_install',
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'os_utils']
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def setUp(self):
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super().setUp(ops_openstack, self.PATCHES)
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self.os_utils.manage_payload_services = MagicMock()
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self.harness = Harness(
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OpenStackTestAPICharm,
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meta='''
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name: client
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requires:
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shared-db:
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interface: mysql-shared
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provides:
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ceph-client:
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interface: ceph-client
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''',
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actions='''
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pause:
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description: pause action
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resume:
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description: resume action
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''')
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def test_init(self):
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self.harness.begin()
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self.assertFalse(self.harness.charm.state.is_started)
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self.assertFalse(self.harness.charm.state.is_paused)
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self.assertFalse(self.harness.charm.state.series_upgrade)
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def test_install(self):
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print(self.harness._backend)
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self.harness.begin()
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self.harness.charm.on.install.emit()
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self.assertFalse(self.add_source.called)
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self.apt_update.assert_called_once_with(fatal=True)
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self.apt_install.assert_called_once_with(
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['keystone-common'],
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fatal=True)
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def test_install_ppa(self):
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self.harness.update_config(
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key_values={
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'source': 'cloud:myppa',
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'key': 'akey'})
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self.harness.begin()
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self.harness.charm.on.install.emit()
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self.add_source.assert_called_once_with('cloud:myppa', 'akey')
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self.apt_update.assert_called_once_with(fatal=True)
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self.apt_install.assert_called_once_with(
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['keystone-common'],
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fatal=True)
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def test_update_status(self):
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self.harness.add_relation('shared-db', 'mysql')
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self.harness.begin()
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self.harness.charm.state.is_started = True
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self.harness.charm.on.update_status.emit()
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self.assertEqual(
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self.harness.charm.unit.status.message,
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'Unit is ready')
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self.assertIsInstance(
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self.harness.charm.unit.status,
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ActiveStatus)
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def test_update_status_custom_check_fail(self):
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self.harness.update_config(
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key_values={
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'custom-check-fail': 'True'})
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self.harness.add_relation('shared-db', 'mysql')
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self.harness.begin()
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self.harness.charm.state.is_started = True
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self.harness.charm.on.update_status.emit()
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self.assertEqual(
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self.harness.charm.unit.status.message,
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'Custom check failed')
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self.assertIsInstance(
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self.harness.charm.unit.status,
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MaintenanceStatus)
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def test_update_status_not_started(self):
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self.harness.add_relation('shared-db', 'mysql')
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self.harness.begin()
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self.harness.charm.on.update_status.emit()
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self.assertEqual(
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self.harness.charm.unit.status.message,
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'Charm configuration in progress')
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self.assertIsInstance(
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self.harness.charm.unit.status,
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WaitingStatus)
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def test_update_status_series_upgrade(self):
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self.harness.begin()
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self.harness.charm.state.series_upgrade = True
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self.harness.charm.on_update_status('An Event')
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self.assertEqual(
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self.harness.charm.unit.status.message,
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('Ready for do-release-upgrade and reboot. Set complete when '
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'finished.'))
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self.assertIsInstance(
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self.harness.charm.unit.status,
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BlockedStatus)
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def test_update_status_series_paused(self):
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self.harness.begin()
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self.harness.charm.state.is_paused = True
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self.harness.charm.on.update_status.emit()
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self.assertEqual(
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self.harness.charm.unit.status.message,
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"Paused. Use 'resume' action to resume normal service.")
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self.assertIsInstance(
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self.harness.charm.unit.status,
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MaintenanceStatus)
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def test_update_status_missing_relation(self):
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self.harness.begin()
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self.harness.charm.on.update_status.emit()
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self.assertEqual(
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self.harness.charm.unit.status.message,
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'Missing relations: shared-db')
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self.assertIsInstance(
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self.harness.charm.unit.status,
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BlockedStatus)
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def test_services(self):
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self.harness.begin()
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self.assertEqual(
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self.harness.charm.services(),
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['apache2', 'ks-api'])
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def test_pre_series_upgrade(self):
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self.os_utils.manage_payload_services.return_value = ('a', 'b')
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self.harness.begin()
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self.assertFalse(self.harness.charm.state.series_upgrade)
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self.assertFalse(self.harness.charm.state.is_paused)
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self.harness.charm.on.pre_series_upgrade.emit()
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self.assertTrue(self.harness.charm.state.series_upgrade)
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self.assertTrue(self.harness.charm.state.is_paused)
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self.os_utils.manage_payload_services.assert_called_once_with(
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'pause',
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services=['apache2', 'ks-api'],
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charm_func=None)
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def test_post_series_upgrade(self):
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self.os_utils.manage_payload_services.return_value = ('a', 'b')
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self.harness.begin()
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self.harness.charm.state.series_upgrade = True
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self.harness.charm.state.is_paused = True
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self.harness.charm.on.post_series_upgrade.emit()
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self.assertFalse(self.harness.charm.state.series_upgrade)
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self.assertFalse(self.harness.charm.state.is_paused)
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self.os_utils.manage_payload_services.assert_called_once_with(
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'resume',
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services=['apache2', 'ks-api'],
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charm_func=None)
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def test_pause(self):
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self.os_utils.manage_payload_services.return_value = ('a', 'b')
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self.harness.begin()
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self.assertFalse(self.harness.charm.state.is_paused)
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self.harness.charm.on_pause_action('An Event')
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self.assertTrue(self.harness.charm.state.is_paused)
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self.os_utils.manage_payload_services.assert_called_once_with(
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'pause',
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services=['apache2', 'ks-api'],
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charm_func=None)
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def test_resume(self):
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self.os_utils.manage_payload_services.return_value = ('a', 'b')
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self.harness.begin()
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self.harness.charm.state.is_paused = True
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self.harness.charm.on_resume_action('An Event')
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self.assertFalse(self.harness.charm.state.is_paused)
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self.os_utils.manage_payload_services.assert_called_once_with(
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'resume',
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services=['apache2', 'ks-api'],
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charm_func=None)
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