charm-gnocchi/unit_tests/test_gnocchi_handlers.py

135 lines
4.7 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 __future__ import absolute_import
from __future__ import print_function
import mock
import charms_openstack.test_utils as test_utils
import reactive.gnocchi_handlers as handlers
class TestRegisteredHooks(test_utils.TestRegisteredHooks):
def test_hooks(self):
defaults = [
'charm.installed',
'shared-db.connected',
'identity-service.connected',
'identity-service.available',
'config.changed',
'update-status',
'charm.default-select-release']
hook_set = {
'when': {
'render_config': (
'coordinator-memcached.available',
'shared-db.available',
'identity-service.available',
'storage-ceph.pools.available',
),
'init_db': (
'config.rendered',
),
'cluster_connected': (
'ha.connected',
),
'provide_gnocchi_url': (
'metric-service.connected',
'config.rendered',
),
'configure_ceph': (
'storage-ceph.available',
),
'storage_ceph_connected': (
'storage-ceph.connected',
),
},
'when_not': {
'storage_ceph_disconnected': (
'storage-ceph.connected',
),
'disable_services': (
'config.rendered',
),
},
}
# test that the hooks were registered via the
# reactive.gnocchi_handlers
self.registered_hooks_test_helper(handlers, hook_set, defaults)
class TestHandlers(test_utils.PatchHelper):
def setUp(self):
super(TestHandlers, self).setUp()
self.gnocchi_charm = mock.MagicMock()
self.patch_object(handlers.charm, 'provide_charm_instance',
new=mock.MagicMock())
self.provide_charm_instance().__enter__.return_value = \
self.gnocchi_charm
self.provide_charm_instance().__exit__.return_value = None
def test_render_stuff(self):
handlers.render_config('arg1', 'arg2')
self.gnocchi_charm.render_with_interfaces.assert_called_once_with(
('arg1', 'arg2')
)
self.gnocchi_charm.assess_status.assert_called_once_with()
self.gnocchi_charm.enable_apache2_site.assert_called_once_with()
def test_init_db(self):
handlers.init_db()
self.gnocchi_charm.db_sync.assert_called_once_with()
def test_storage_ceph_connected(self):
mock_ceph = mock.MagicMock()
handlers.storage_ceph_connected(mock_ceph)
mock_ceph.create_pool.assert_called_once_with(
handlers.gnocchi.CEPH_POOL_NAME
)
@mock.patch.object(handlers, 'hookenv')
@mock.patch.object(handlers, 'ceph_helper')
def test_configure_ceph(self, mock_ceph_helper, mock_hookenv):
mock_ceph = mock.MagicMock()
mock_ceph.key.return_value = 'testkey'
mock_hookenv.service_name.return_value = 'gnocchi'
handlers.configure_ceph(mock_ceph)
mock_ceph_helper.ensure_ceph_keyring.assert_called_once_with(
service='gnocchi',
key='testkey',
user='gnocchi',
group='gnocchi'
)
mock_ceph.key.assert_called_once_with()
@mock.patch.object(handlers, 'hookenv')
@mock.patch.object(handlers, 'ceph_helper')
def test_storage_ceph_disconnected(self, mock_ceph_helper,
mock_hookenv):
mock_hookenv.service_name.return_value = 'gnocchi'
handlers.storage_ceph_disconnected()
mock_ceph_helper.delete_keyring.assert_called_once_with('gnocchi')
def test_provide_gnocchi_url(self):
mock_gnocchi = mock.MagicMock()
self.gnocchi_charm.public_url = "http://gnocchi:8041"
handlers.provide_gnocchi_url(mock_gnocchi)
mock_gnocchi.set_gnocchi_url.assert_called_once_with(
"http://gnocchi:8041"
)