3dd824c5b9
The mock third party library was needed for mock support in py2 runtimes. Since we now only support py36 and later, we can use the standard lib unittest.mock module instead. Change-Id: Id4029239c345655ea7ffc90b5969b29b47a84955
248 lines
9.5 KiB
Python
248 lines
9.5 KiB
Python
# Copyright 2016 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 argparse
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import sys
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import tempfile
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import unittest
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from unittest import mock
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import yaml
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from unit_tests.test_utils import CharmTestCase
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from unittest.mock import patch, MagicMock
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# python-apt is not installed as part of test-requirements but is imported by
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# some charmhelpers modules so create a fake import.
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sys.modules['apt'] = MagicMock()
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sys.modules['apt_pkg'] = MagicMock()
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with patch('charmhelpers.contrib.hardening.harden.harden') as \
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mock_dec:
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mock_dec.side_effect = (lambda *dargs, **dkwargs: lambda f:
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lambda *args, **kwargs: f(*args, **kwargs))
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with patch('lib.misc_utils.is_paused') as is_paused:
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with patch('lib.swift_storage_utils.register_configs'):
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import actions.actions
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class PauseTestCase(CharmTestCase):
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def setUp(self):
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super(PauseTestCase, self).setUp(
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actions.actions, ["service_pause", "HookData", "kv",
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"set_os_workload_status"])
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class FakeArgs(object):
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services = ['swift-account',
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'swift-account-auditor',
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'swift-account-reaper',
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'swift-account-replicator',
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'swift-container',
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'swift-container-auditor',
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'swift-container-updater',
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'swift-container-replicator',
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'swift-container-sync',
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'swift-object',
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'swift-object-auditor',
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'swift-object-updater',
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'swift-object-replicator']
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self.args = FakeArgs()
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def test_pauses_services(self):
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"""Pause action pauses all of the Swift services."""
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pause_calls = []
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def fake_service_pause(svc):
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pause_calls.append(svc)
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return True
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self.service_pause.side_effect = fake_service_pause
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actions.actions.pause(self.args)
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self.assertEqual(pause_calls, ['swift-account',
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'swift-account-auditor',
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'swift-account-reaper',
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'swift-account-replicator',
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'swift-container',
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'swift-container-auditor',
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'swift-container-updater',
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'swift-container-replicator',
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'swift-container-sync',
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'swift-object',
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'swift-object-auditor',
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'swift-object-updater',
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'swift-object-replicator'])
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def test_bails_out_early_on_error(self):
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"""Pause action fails early if there are errors stopping a service."""
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pause_calls = []
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def maybe_kill(svc):
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if svc == "swift-container":
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return False
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else:
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pause_calls.append(svc)
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return True
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self.service_pause.side_effect = maybe_kill
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self.assertRaisesRegexp(
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Exception, "swift-container didn't stop cleanly.",
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actions.actions.pause, self.args)
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self.assertEqual(pause_calls, ['swift-account',
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'swift-account-auditor',
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'swift-account-reaper',
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'swift-account-replicator'])
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def test_pause_sets_value(self):
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"""Pause action sets the unit-paused value to True."""
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self.HookData()().return_value = True
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actions.actions.pause(self.args)
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self.kv().set.assert_called_with('unit-paused', True)
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class ResumeTestCase(CharmTestCase):
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def setUp(self):
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super(ResumeTestCase, self).setUp(
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actions.actions, ["service_resume", "HookData", "kv",
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"set_os_workload_status"])
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class FakeArgs(object):
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services = ['swift-account',
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'swift-account-auditor',
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'swift-account-reaper',
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'swift-account-replicator',
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'swift-container',
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'swift-container-auditor',
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'swift-container-updater',
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'swift-container-replicator',
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'swift-container-sync',
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'swift-object',
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'swift-object-auditor',
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'swift-object-updater',
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'swift-object-replicator']
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self.args = FakeArgs()
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def test_resumes_services(self):
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"""Resume action resumes all of the Swift services."""
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resume_calls = []
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def fake_service_resume(svc):
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resume_calls.append(svc)
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return True
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self.service_resume.side_effect = fake_service_resume
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actions.actions.resume(self.args)
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self.assertEqual(resume_calls, ['swift-account',
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'swift-account-auditor',
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'swift-account-reaper',
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'swift-account-replicator',
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'swift-container',
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'swift-container-auditor',
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'swift-container-updater',
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'swift-container-replicator',
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'swift-container-sync',
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'swift-object',
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'swift-object-auditor',
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'swift-object-updater',
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'swift-object-replicator'])
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def test_bails_out_early_on_error(self):
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"""Resume action fails early if there are errors starting a service."""
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resume_calls = []
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def maybe_kill(svc):
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if svc == "swift-container":
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return False
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else:
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resume_calls.append(svc)
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return True
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self.service_resume.side_effect = maybe_kill
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self.assertRaisesRegexp(
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Exception, "swift-container didn't start cleanly.",
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actions.actions.resume, self.args)
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self.assertEqual(resume_calls, ['swift-account',
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'swift-account-auditor',
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'swift-account-reaper',
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'swift-account-replicator'])
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def test_resume_sets_value(self):
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"""Resume action sets the unit-paused value to False."""
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self.HookData()().return_value = True
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actions.actions.resume(self.args)
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self.kv().set.assert_called_with('unit-paused', False)
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class GetActionParserTestCase(unittest.TestCase):
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def test_definition_from_yaml(self):
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"""ArgumentParser is seeded from actions.yaml."""
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actions_yaml = tempfile.NamedTemporaryFile(
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prefix="GetActionParserTestCase", suffix="yaml")
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actions_yaml.write(
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yaml.dump({"foo": {"description": "Foo is bar"}}).encode('utf-8'))
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actions_yaml.seek(0)
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parser = actions.actions.get_action_parser(actions_yaml.name, "foo",
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get_services=lambda: [])
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self.assertEqual(parser.description, 'Foo is bar')
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class MainTestCase(CharmTestCase):
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def setUp(self):
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super(MainTestCase, self).setUp(
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actions.actions, ["_get_action_name",
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"get_action_parser",
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"action_fail"])
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def test_invokes_pause(self):
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dummy_calls = []
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def dummy_action(args):
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dummy_calls.append(True)
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self._get_action_name.side_effect = lambda: "foo"
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self.get_action_parser = lambda: argparse.ArgumentParser()
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with mock.patch.dict(actions.actions.ACTIONS, {"foo": dummy_action}):
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actions.actions.main([])
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self.assertEqual(dummy_calls, [True])
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def test_unknown_action(self):
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"""Unknown actions aren't a traceback."""
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self._get_action_name.side_effect = lambda: "foo"
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self.get_action_parser = lambda: argparse.ArgumentParser()
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exit_string = actions.actions.main([])
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self.assertEqual("Action foo undefined", exit_string)
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def test_failing_action(self):
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"""Actions which traceback trigger action_fail() calls."""
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dummy_calls = []
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self.action_fail.side_effect = dummy_calls.append
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self._get_action_name.side_effect = lambda: "foo"
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def dummy_action(args):
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raise ValueError("uh oh")
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self.get_action_parser = lambda: argparse.ArgumentParser()
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with mock.patch.dict(actions.actions.ACTIONS, {"foo": dummy_action}):
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actions.actions.main([])
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self.assertEqual(dummy_calls, ["uh oh"])
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