zun/zun/tests/unit/db/test_volume_mapping.py

170 lines
7.1 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.
from oslo_utils import uuidutils
import six
from zun.common import exception
import zun.conf
from zun.db import api as dbapi
from zun.tests.unit.db import base
from zun.tests.unit.db import utils
CONF = zun.conf.CONF
class DbVolumeMappingTestCase(base.DbTestCase):
def setUp(self):
super(DbVolumeMappingTestCase, self).setUp()
def test_create_volume_mapping(self):
utils.create_test_volume_mapping(context=self.context)
def test_create_volume_mapping_already_exists(self):
utils.create_test_volume_mapping(context=self.context,
uuid='123')
with self.assertRaisesRegex(exception.VolumeMappingAlreadyExists,
'A volume mapping with UUID 123.*'):
utils.create_test_volume_mapping(context=self.context,
uuid='123')
def test_get_volume_mapping_by_uuid(self):
volume_mapping = utils.create_test_volume_mapping(context=self.context)
res = dbapi.get_volume_mapping_by_uuid(self.context,
volume_mapping.uuid)
self.assertEqual(volume_mapping.id, res.id)
self.assertEqual(volume_mapping.uuid, res.uuid)
def test_get_volume_mapping_that_does_not_exist(self):
self.assertRaises(exception.VolumeMappingNotFound,
dbapi.get_volume_mapping_by_uuid,
self.context,
uuidutils.generate_uuid())
def test_list_volume_mappings(self):
uuids = []
for i in range(1, 6):
volume = utils.create_test_volume(
uuid=uuidutils.generate_uuid(),
context=self.context)
volume_mapping = utils.create_test_volume_mapping(
uuid=uuidutils.generate_uuid(),
volume_id=volume.id,
context=self.context)
uuids.append(six.text_type(volume_mapping['uuid']))
res = dbapi.list_volume_mappings(self.context)
res_uuids = [r.uuid for r in res]
self.assertEqual(sorted(uuids), sorted(res_uuids))
def test_list_volume_mappings_sorted(self):
uuids = []
for i in range(5):
volume = utils.create_test_volume(
uuid=uuidutils.generate_uuid(),
context=self.context)
volume_mapping = utils.create_test_volume_mapping(
uuid=uuidutils.generate_uuid(),
volume_id=volume.id,
context=self.context)
uuids.append(six.text_type(volume_mapping.uuid))
res = dbapi.list_volume_mappings(self.context, sort_key='uuid')
res_uuids = [r.uuid for r in res]
self.assertEqual(sorted(uuids), res_uuids)
self.assertRaises(exception.InvalidParameterValue,
dbapi.list_volume_mappings,
self.context,
sort_key='foo')
def test_list_volume_mappings_with_filters(self):
volume1 = utils.create_test_volume(
id=1,
volume_provider='provider-one',
uuid=uuidutils.generate_uuid(),
context=self.context)
volume_mapping1 = utils.create_test_volume_mapping(
id=1,
volume_id=volume1.id,
uuid=uuidutils.generate_uuid(),
context=self.context)
volume2 = utils.create_test_volume(
id=2,
volume_provider='provider-two',
uuid=uuidutils.generate_uuid(),
context=self.context)
volume_mapping2 = utils.create_test_volume_mapping(
id=2,
uuid=uuidutils.generate_uuid(),
volume_id=volume2.id,
context=self.context)
res = dbapi.list_volume_mappings(
self.context, filters={'volume_provider': 'provider-one'})
self.assertEqual([volume_mapping1.id], [r.id for r in res])
res = dbapi.list_volume_mappings(
self.context, filters={'volume_provider': 'provider-two'})
self.assertEqual([volume_mapping2.id], [r.id for r in res])
res = dbapi.list_volume_mappings(
self.context, filters={'volume_provider': 'bad-provider'})
self.assertEqual([], [r.id for r in res])
res = dbapi.list_volume_mappings(
self.context,
filters={'volume_provider': volume1.volume_provider})
self.assertEqual([volume_mapping1.id], [r.id for r in res])
def test_destroy_volume_mapping(self):
volume_mapping = utils.create_test_volume_mapping(context=self.context)
dbapi.destroy_volume_mapping(self.context, volume_mapping.id)
self.assertRaises(exception.VolumeMappingNotFound,
dbapi.get_volume_mapping_by_uuid,
self.context, volume_mapping.uuid)
def test_destroy_volume_mapping_by_uuid(self):
volume_mapping = utils.create_test_volume_mapping(context=self.context)
dbapi.destroy_volume_mapping(self.context, volume_mapping.uuid)
self.assertRaises(exception.VolumeMappingNotFound,
dbapi.get_volume_mapping_by_uuid,
self.context, volume_mapping.uuid)
def test_destroy_volume_mapping_that_does_not_exist(self):
self.assertRaises(exception.VolumeMappingNotFound,
dbapi.destroy_volume_mapping, self.context,
uuidutils.generate_uuid())
def test_update_volume_mapping(self):
volume_mapping = utils.create_test_volume_mapping(context=self.context)
old_path = volume_mapping.container_path
new_path = 'new-container-path'
self.assertNotEqual(old_path, new_path)
res = dbapi.update_volume_mapping(self.context, volume_mapping.id,
{'container_path': new_path})
self.assertEqual(new_path, res.container_path)
def test_update_volume_mapping_not_found(self):
volume_mapping_uuid = uuidutils.generate_uuid()
new_path = 'new-container-path'
self.assertRaises(exception.VolumeMappingNotFound,
dbapi.update_volume_mapping, self.context,
volume_mapping_uuid,
{'container_path': new_path})
def test_update_volume_mapping_uuid(self):
volume_mapping = utils.create_test_volume_mapping(context=self.context)
self.assertRaises(exception.InvalidParameterValue,
dbapi.update_volume_mapping, self.context,
volume_mapping.id, {'uuid': ''})