magnum/magnum/tests/unit/db/test_baylock.py

89 lines
3.6 KiB
Python

# 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 manipulating BayLocks via the DB API"""
import uuid
from magnum.tests.unit.db import base
from magnum.tests.unit.db import utils as utils
class DbBayLockTestCase(base.DbTestCase):
def setUp(self):
super(DbBayLockTestCase, self).setUp()
self.bay = utils.create_test_bay()
def test_create_bay_lock_success(self):
ret = self.dbapi.create_bay_lock(self.bay.uuid, str(uuid.uuid4()))
self.assertIsNone(ret)
def test_create_bay_lock_fail_double_same(self):
conductor_id = str(uuid.uuid4())
self.dbapi.create_bay_lock(self.bay.uuid, conductor_id)
ret = self.dbapi.create_bay_lock(self.bay.uuid, conductor_id)
self.assertEqual(conductor_id, ret)
def test_create_bay_lock_fail_double_different(self):
conductor_id = str(uuid.uuid4())
self.dbapi.create_bay_lock(self.bay.uuid, conductor_id)
ret = self.dbapi.create_bay_lock(self.bay.uuid, str(uuid.uuid4()))
self.assertEqual(conductor_id, ret)
def test_steal_bay_lock_success(self):
conductor_id = str(uuid.uuid4())
self.dbapi.create_bay_lock(self.bay.uuid, conductor_id)
ret = self.dbapi.steal_bay_lock(self.bay.uuid, conductor_id,
str(uuid.uuid4()))
self.assertIsNone(ret)
def test_steal_bay_lock_fail_gone(self):
conductor_id = str(uuid.uuid4())
self.dbapi.create_bay_lock(self.bay.uuid, conductor_id)
self.dbapi.release_bay_lock(self.bay.uuid, conductor_id)
ret = self.dbapi.steal_bay_lock(self.bay.uuid, conductor_id,
str(uuid.uuid4()))
self.assertTrue(ret)
def test_steal_bay_lock_fail_stolen(self):
conductor_id = str(uuid.uuid4())
self.dbapi.create_bay_lock(self.bay.uuid, conductor_id)
# Simulate stolen lock
conductor_id2 = str(uuid.uuid4())
self.dbapi.release_bay_lock(self.bay.uuid, conductor_id)
self.dbapi.create_bay_lock(self.bay.uuid, conductor_id2)
ret = self.dbapi.steal_bay_lock(self.bay.uuid, str(uuid.uuid4()),
conductor_id2)
self.assertEqual(conductor_id2, ret)
def test_release_bay_lock_success(self):
conductor_id = str(uuid.uuid4())
self.dbapi.create_bay_lock(self.bay.uuid, conductor_id)
ret = self.dbapi.release_bay_lock(self.bay.uuid, conductor_id)
self.assertIsNone(ret)
def test_release_bay_lock_fail_double(self):
conductor_id = str(uuid.uuid4())
self.dbapi.create_bay_lock(self.bay.uuid, conductor_id)
self.dbapi.release_bay_lock(self.bay.uuid, conductor_id)
ret = self.dbapi.release_bay_lock(self.bay.uuid, conductor_id)
self.assertTrue(ret)
def test_release_bay_lock_fail_wrong_conductor_id(self):
conductor_id = str(uuid.uuid4())
self.dbapi.create_bay_lock(self.bay.uuid, conductor_id)
ret = self.dbapi.release_bay_lock(self.bay.uuid, str(uuid.uuid4()))
self.assertTrue(ret)