charm-octavia/unit_tests/test_octavia_handlers.py

87 lines
3.1 KiB
Python

# Copyright 2018 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 __future__ import absolute_import
from __future__ import print_function
import mock
import reactive.octavia_handlers as handlers
import charms_openstack.test_utils as test_utils
class TestRegisteredHooks(test_utils.TestRegisteredHooks):
def test_hooks(self):
defaults = [
'charm.installed',
'amqp.connected',
'shared-db.connected',
'identity-service.connected',
'identity-service.available',
'config.changed',
'update-status']
hook_set = {
'when': {
'render': ('shared-db.available',
'identity-service.available',
'amqp.available',),
'init_db': ('config.rendered',),
'cluster_connected': ('ha.connected',),
},
'when_not': {
'init_db': ('db.synced',),
'cluster_connected': ('ha.available',),
},
}
# test that the hooks were registered via the
# reactive.octavia_handlers
self.registered_hooks_test_helper(handlers, hook_set, defaults)
class TestRender(test_utils.PatchHelper):
def setUp(self):
super().setUp()
self.octavia_charm = mock.MagicMock()
self.patch_object(handlers.charm, 'provide_charm_instance',
new=mock.MagicMock())
self.provide_charm_instance().__enter__.return_value = \
self.octavia_charm
self.provide_charm_instance().__exit__.return_value = None
def test_render(self):
self.patch('charms.reactive.set_state', 'set_state')
handlers.render('arg1', 'arg2')
self.octavia_charm.render_with_interfaces.assert_called_once_with(
('arg1', 'arg2'))
self.octavia_charm.assess_status.assert_called_once_with()
self.set_state.assert_called_once_with('config.rendered')
def test_init_db(self):
self.patch('charms.reactive.set_state', 'set_state')
handlers.init_db()
self.octavia_charm.db_sync.assert_called_once_with()
self.octavia_charm.restart_all.assert_called_once_with()
self.set_state.assert_called_once_with('db.synced')
self.octavia_charm.assess_status.assert_called_once_with()
def test_cluster_connected(self):
hacluster = mock.MagicMock()
handlers.cluster_connected(hacluster)
self.octavia_charm.configure_ha_resources.assert_called_once_with(
hacluster)
self.octavia_charm.assess_status.assert_called_once_with()