charm-neutron-gateway/unit_tests/test_actions.py
Liam Young ef90f88c5f Add pause/resume actions and sync charm-helpers
Adds pause and resume unit to the charm such that the
charm stays paused during maintenance operations.

Change-Id: I2ee7c87549279b29a9cb2e4e6747953cd6825b79
Partial-Bug: 1558642
2016-04-10 06:54:31 +00:00

79 lines
2.5 KiB
Python

import sys
import mock
from mock import patch, MagicMock
from test_utils import CharmTestCase
# python-apt is not installed as part of test-requirements but is imported by
# some charmhelpers modules so create a fake import.
sys.modules['apt'] = MagicMock()
sys.modules['apt_pkg'] = MagicMock()
with patch('charmhelpers.core.hookenv.config'):
with patch('neutron_utils.restart_map'):
with patch('neutron_utils.register_configs') as configs:
with patch('charmhelpers.contrib.hardening.harden.harden') as \
mock_dec:
mock_dec.side_effect = (lambda *dargs, **dkwargs: lambda f:
lambda *args, **kwargs:
f(*args, **kwargs))
with patch('charmhelpers.core.hookenv.status_set'):
configs.return_value = 'test-config'
import actions
class PauseTestCase(CharmTestCase):
def setUp(self):
super(PauseTestCase, self).setUp(
actions, ["pause_unit_helper"])
def test_pauses_services(self):
actions.pause([])
self.pause_unit_helper.assert_called_once_with('test-config')
class ResumeTestCase(CharmTestCase):
def setUp(self):
super(ResumeTestCase, self).setUp(
actions, ["resume_unit_helper"])
def test_pauses_services(self):
actions.resume([])
self.resume_unit_helper.assert_called_once_with('test-config')
class MainTestCase(CharmTestCase):
def setUp(self):
super(MainTestCase, self).setUp(actions, ["action_fail"])
def test_invokes_action(self):
dummy_calls = []
def dummy_action(args):
dummy_calls.append(True)
with mock.patch.dict(actions.ACTIONS, {"foo": dummy_action}):
actions.main(["foo"])
self.assertEqual(dummy_calls, [True])
def test_unknown_action(self):
"""Unknown actions aren't a traceback."""
exit_string = actions.main(["foo"])
self.assertEqual("Action foo undefined", exit_string)
def test_failing_action(self):
"""Actions which traceback trigger action_fail() calls."""
dummy_calls = []
self.action_fail.side_effect = dummy_calls.append
def dummy_action(args):
raise ValueError("uh oh")
with mock.patch.dict(actions.ACTIONS, {"foo": dummy_action}):
actions.main(["foo"])
self.assertEqual(dummy_calls, ["Action foo failed: uh oh"])