cinder/cinder/tests/unit/db/test_reset_backend.py

62 lines
2.7 KiB
Python

# Copyright (c) 2018 Red Hat, Inc.
# All Rights Reserved.
#
# 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.
"""Tests for resetting active backend replication parameters."""
from cinder import db
from cinder import exception
from cinder.tests.unit import test_db_api
from cinder.tests.unit import utils
class ResetActiveBackendCase(test_db_api.BaseTest):
"""Unit tests for cinder.db.api.reset_active_backend."""
def test_enabled_service(self):
"""Test that enabled services cannot be queried."""
service_overrides = {'topic': 'cinder-volume'}
service = utils.create_service(self.ctxt, values=service_overrides)
self.assertRaises(exception.ServiceNotFound,
db.reset_active_backend,
self.ctxt, True, 'fake-backend-id',
service.host)
def test_disabled_service(self):
"""Test that non-frozen services are rejected."""
service_overrides = {'topic': 'cinder-volume',
'disabled': True}
service = utils.create_service(self.ctxt, values=service_overrides)
self.assertRaises(exception.ServiceUnavailable,
db.reset_active_backend,
self.ctxt, True, 'fake-backend-id',
service.host)
def test_disabled_and_frozen_service(self):
"""Test that disabled and frozen services are updated correctly."""
service_overrides = {'topic': 'cinder-volume',
'disabled': True,
'frozen': True,
'replication_status': 'failed-over',
'active_backend_id': 'seconary'}
service = utils.create_service(self.ctxt, values=service_overrides)
db.reset_active_backend(self.ctxt, True, 'fake-backend-id',
service.host)
db_service = db.service_get(self.ctxt, service.id)
self.assertFalse(db_service.disabled)
self.assertEqual('', db_service.disabled_reason)
self.assertIsNone(db_service.active_backend_id)
self.assertEqual('enabled', db_service.replication_status)