zaqar/tests/unit/storage/test_pool_catalog.py

99 lines
3.9 KiB
Python

# Copyright (c) 2013 Rackspace, Inc.
#
# 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 uuid
from zaqar.openstack.common.cache import cache as oslo_cache
from zaqar.storage import errors
from zaqar.storage import mongodb
from zaqar.storage import pooling
from zaqar.storage import utils
from zaqar import tests as testing
# TODO(cpp-cabrera): it would be wonderful to refactor this unit test
# so that it could use multiple control storage backends once those
# have pools/catalogue implementations.
@testing.requires_mongodb
class PoolCatalogTest(testing.TestBase):
config_file = 'wsgi_mongodb_pooled.conf'
def setUp(self):
super(PoolCatalogTest, self).setUp()
cache = oslo_cache.get_cache()
control = utils.load_storage_driver(self.conf, cache,
control_mode=True)
self.pools_ctrl = control.pools_controller
self.flavors_ctrl = control.flavors_controller
self.catalogue_ctrl = control.catalogue_controller
# NOTE(cpp-cabrera): populate catalogue
self.pool = str(uuid.uuid1())
self.pool2 = str(uuid.uuid1())
self.pool_group = 'pool-group'
self.queue = str(uuid.uuid1())
self.flavor = str(uuid.uuid1())
self.project = str(uuid.uuid1())
self.pools_ctrl.create(self.pool, 100, 'mongodb://localhost:27017')
self.pools_ctrl.create(self.pool2, 100,
'mongodb://127.0.0.1:27017',
group=self.pool_group)
self.catalogue_ctrl.insert(self.project, self.queue, self.pool)
self.catalog = pooling.Catalog(self.conf, cache, control)
self.flavors_ctrl.create(self.flavor, self.pool_group,
project=self.project)
def tearDown(self):
self.catalogue_ctrl.drop_all()
self.pools_ctrl.drop_all()
super(PoolCatalogTest, self).tearDown()
def test_lookup_loads_correct_driver(self):
storage = self.catalog.lookup(self.queue, self.project)
self.assertIsInstance(storage._storage, mongodb.DataDriver)
def test_lookup_returns_default_or_none_if_queue_not_mapped(self):
# Return default
self.assertIsNone(self.catalog.lookup('not', 'mapped'))
self.config(message_store='faulty', group='drivers')
self.config(enable_virtual_pool=True, group='pooling:catalog')
self.assertIsNotNone(self.catalog.lookup('not', 'mapped'))
def test_lookup_returns_none_if_entry_deregistered(self):
self.catalog.deregister(self.queue, self.project)
self.assertIsNone(self.catalog.lookup(self.queue, self.project))
def test_register_leads_to_successful_lookup(self):
self.catalog.register('not_yet', 'mapped')
storage = self.catalog.lookup('not_yet', 'mapped')
self.assertIsInstance(storage._storage, mongodb.DataDriver)
def test_register_with_flavor(self):
queue = 'test'
self.catalog.register(queue, project=self.project,
flavor=self.flavor)
storage = self.catalog.lookup(queue, self.project)
self.assertIsInstance(storage._storage, mongodb.DataDriver)
def test_register_with_fake_flavor(self):
self.assertRaises(errors.FlavorDoesNotExist,
self.catalog.register,
'test', project=self.project,
flavor='fake')