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# 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.
import json
from mock import patch, MagicMock
import ceilometer_utils
# Patch out register_configs for import of hooks
_register_configs = ceilometer_utils.register_configs
ceilometer_utils.register_configs = MagicMock()
import ceilometer_hooks as hooks
# Renable old function
ceilometer_utils.register_configs = _register_configs
from test_utils import CharmTestCase
TO_PATCH = [
'configure_installation_source',
'apt_install',
'apt_update',
'config',
'filter_installed_packages',
'CONFIGS',
'relation_set',
'openstack_upgrade_available',
'do_openstack_upgrade',
'update_nrpe_config',
'is_relation_made',
]
class CeilometerHooksTest(CharmTestCase):
def setUp(self):
super(CeilometerHooksTest, self).setUp(hooks, TO_PATCH)
self.config.side_effect = self.test_config.get
@patch('charmhelpers.core.hookenv.config')
def test_configure_source(self, mock_config):
self.test_config.set('openstack-origin', 'cloud:precise-havana')
hooks.hooks.execute(['hooks/install'])
self.configure_installation_source.\
assert_called_with('cloud:precise-havana')
@patch('charmhelpers.core.hookenv.config')
def test_install_hook(self, mock_config):
self.filter_installed_packages.return_value = \
hooks.CEILOMETER_AGENT_PACKAGES
hooks.hooks.execute(['hooks/install'])
self.assertTrue(self.configure_installation_source.called)
self.apt_update.assert_called_with(fatal=True)
self.apt_install.assert_called_with(hooks.CEILOMETER_AGENT_PACKAGES,
fatal=True)
@patch('charmhelpers.core.hookenv.config')
def test_ceilometer_changed(self, mock_config):
hooks.hooks.execute(['hooks/ceilometer-service-relation-changed'])
self.assertTrue(self.CONFIGS.write_all.called)
self.assertTrue(self.update_nrpe_config.called)
@patch('charmhelpers.core.hookenv.config')
def test_ceilometer_changed_no_nrpe(self, mock_config):
self.is_relation_made.return_value = False
hooks.hooks.execute(['hooks/ceilometer-service-relation-changed'])
self.assertTrue(self.CONFIGS.write_all.called)
self.assertFalse(self.update_nrpe_config.called)
@patch('charmhelpers.core.hookenv.config')
def test_nova_ceilometer_joined(self, mock_config):
hooks.hooks.execute(['hooks/nova-ceilometer-relation-joined'])
self.relation_set.assert_called_with(
subordinate_configuration=json.dumps(
ceilometer_utils.NOVA_SETTINGS))
@patch('charmhelpers.core.hookenv.config')
def test_config_changed_no_upgrade(self, mock_config):
self.openstack_upgrade_available.return_value = False
hooks.hooks.execute(['hooks/config-changed'])
self.openstack_upgrade_available.\
assert_called_with('ceilometer-common')
self.assertFalse(self.do_openstack_upgrade.called)
self.assertTrue(self.CONFIGS.write_all.called)
self.assertTrue(self.update_nrpe_config.called)
@patch('charmhelpers.core.hookenv.config')
def test_config_changed_upgrade(self, mock_config):
self.openstack_upgrade_available.return_value = True
hooks.hooks.execute(['hooks/config-changed'])
self.openstack_upgrade_available.\
assert_called_with('ceilometer-common')
self.assertTrue(self.do_openstack_upgrade.called)
self.assertTrue(self.CONFIGS.write_all.called)
self.assertTrue(self.update_nrpe_config.called)
def test_config_changed_with_openstack_upgrade_action(self):
self.openstack_upgrade_available.return_value = True
self.test_config.set('action-managed-upgrade', True)
hooks.hooks.execute(['hooks/config-changed'])
self.assertFalse(self.do_openstack_upgrade.called)
@patch('charmhelpers.core.hookenv.config')
def test_config_changed_no_nrpe(self, mock_config):
self.openstack_upgrade_available.return_value = False
self.is_relation_made.return_value = False
hooks.hooks.execute(['hooks/config-changed'])
self.openstack_upgrade_available.\
assert_called_with('ceilometer-common')
self.assertFalse(self.do_openstack_upgrade.called)
self.assertTrue(self.CONFIGS.write_all.called)
self.assertFalse(self.update_nrpe_config.called)
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