charm-placement/unit_tests/test_placement_handlers.py
Hervé Beraud 96f28e85f8 Stop to use the __future__ module.
The __future__ module [1] was used in this context to ensure compatibility
between python 2 and python 3.

We previously dropped the support of python 2.7 [2] and now we only support
python 3 so we don't need to continue to use this module and the imports
listed below.

Imports commonly used and their related PEPs:
- `division` is related to PEP 238 [3]
- `print_function` is related to PEP 3105 [4]
- `unicode_literals` is related to PEP 3112 [5]
- `with_statement` is related to PEP 343 [6]
- `absolute_import` is related to PEP 328 [7]

[1] https://docs.python.org/3/library/__future__.html
[2] https://governance.openstack.org/tc/goals/selected/ussuri/drop-py27.html
[3] https://www.python.org/dev/peps/pep-0238
[4] https://www.python.org/dev/peps/pep-3105
[5] https://www.python.org/dev/peps/pep-3112
[6] https://www.python.org/dev/peps/pep-0343
[7] https://www.python.org/dev/peps/pep-0328

Change-Id: I2d545d7001f5879d86c78c19e391b7828d1172b7
2020-06-02 20:04:15 +02:00

95 lines
3.5 KiB
Python

# Copyright 2019 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 mock
import reactive.placement_handlers as handlers
import charms_openstack.test_utils as test_utils
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',
'upgrade-charm',
'certificates.available']
hook_set = {
'when': {
'render_config': ('shared-db.available',
'identity-service.available',),
'init_db': ('config.rendered',
'placement.available',),
'cluster_connected': ('ha.connected',),
},
'when_not': {
'init_db': ('db.synced',),
},
}
# test that the hooks were registered via the
# reactive.barbican_handlers
self.registered_hooks_test_helper(handlers, hook_set, defaults)
class TestPlacementHandlers(test_utils.PatchHelper):
def setUp(self):
super().setUp()
self.placement_charm = mock.MagicMock()
self.patch_object(handlers.charms_openstack.charm,
'provide_charm_instance',
new=mock.MagicMock())
self.provide_charm_instance().__enter__.return_value = (
self.placement_charm)
self.provide_charm_instance().__exit__.return_value = None
def test_render_config(self):
self.patch_object(handlers.reactive, 'set_state')
handlers.render_config('arg1', 'arg2')
self.placement_charm.render_with_interfaces.assert_called_once_with(
('arg1', 'arg2'))
self.placement_charm.assess_status.assert_called_once_with()
self.set_state.assert_called_once_with('config.rendered')
def test_init_db(self):
self.patch_object(handlers.reactive, 'set_state')
self.patch_object(handlers.reactive, 'endpoint_from_flag')
placement = mock.MagicMock()
self.endpoint_from_flag.return_value = placement
handlers.init_db()
placement.get_nova_placement_disabled.assert_called_once_with()
self.placement_charm.disable_services.assert_called_once_with()
self.placement_charm.db_migrate.assert_called_once_with()
self.placement_charm.db_sync.assert_called_once_with()
self.placement_charm.enable_services.assert_called_once_with()
self.placement_charm.assess_status.assert_called_once_with()
placement.set_placement_enabled.assert_called_once_with()
self.set_state.assert_called_once_with('db.synced')
def test_cluster_connected(self):
hacluster = mock.MagicMock()
handlers.cluster_connected(hacluster)
self.placement_charm.configure_ha_resources.assert_called_once_with(
hacluster)
self.placement_charm.assess_status.assert_called_once_with()