charm-keystone/unit_tests/test_actions_openstack_upgr...

74 lines
2.8 KiB
Python

# Copyright 2016 Canonical Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from mock import patch
import os
os.environ['JUJU_UNIT_NAME'] = 'keystone'
with patch('charmhelpers.contrib.openstack.utils'
'.snap_install_requested') as snap_install_requested:
snap_install_requested.return_value = False
import openstack_upgrade as openstack_upgrade
from test_utils import (
CharmTestCase
)
TO_PATCH = [
'do_openstack_upgrade',
'os',
]
class TestKeystoneUpgradeActions(CharmTestCase):
def setUp(self):
super(TestKeystoneUpgradeActions, self).setUp(openstack_upgrade,
TO_PATCH)
# NOTE(ajkavangh) patching charmhelpers here almost certainly means that
# these tests are in the wrong place and should be moved. In general
# tests should only patch objects IN the file under test. Anywhere else
# creates dependencies that make the code harder to maintain (e.g. here,
# changes to charmhelpers might break these tests).
@patch.object(openstack_upgrade, 'register_configs')
@patch('charmhelpers.contrib.openstack.utils.config')
@patch('charmhelpers.contrib.openstack.utils.action_set')
@patch('charmhelpers.contrib.openstack.utils.openstack_upgrade_available')
def test_openstack_upgrade_true(self, upgrade_avail,
action_set, config, reg_configs):
upgrade_avail.return_value = True
config.return_value = True
openstack_upgrade.openstack_upgrade()
self.assertTrue(self.do_openstack_upgrade.called)
self.os.execl.assert_called_with('./hooks/config-changed-postupgrade',
'config-changed-postupgrade')
@patch.object(openstack_upgrade, 'register_configs')
@patch('charmhelpers.contrib.openstack.utils.config')
@patch('charmhelpers.contrib.openstack.utils.action_set')
@patch('charmhelpers.contrib.openstack.utils.openstack_upgrade_available')
def test_openstack_upgrade_false(self, upgrade_avail,
action_set, config, reg_configs):
upgrade_avail.return_value = True
config.return_value = False
openstack_upgrade.openstack_upgrade()
self.assertFalse(self.do_openstack_upgrade.called)
self.assertFalse(self.os.execl.called)