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OpenStack Study: __init__.py**** CubicPower OpenStack Study ****
# Copyright 2012 OpenStack Foundation # 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. import uuid from oslo.config import cfg import six #NOTE(bcwaldon): importing this to get the default_store option import glance.api.v1.images from glance.common import exception import glance.store.location CONF = cfg.CONF
**** CubicPower OpenStack Study **** class BaseTestCase(object): """ Basic test cases for glance image stores. To run these tests on a new store X, create a test case like class TestXStore(BaseTestCase, testtools.TestCase): (MULTIPLE INHERITANCE REQUIRED)
**** CubicPower OpenStack Study **** def setUp(self): super(BaseTestCase, self).setUp()
**** CubicPower OpenStack Study **** def tearDown(self): CONF.reset() super(BaseTestCase, self).tearDown()
**** CubicPower OpenStack Study **** def config(self, **kw): for k, v in kw.iteritems(): CONF.set_override(k, v, group=None)
**** CubicPower OpenStack Study **** def get_store(self, **kwargs): raise NotImplementedError('get_store() must be implemented')
**** CubicPower OpenStack Study **** def stash_image(self, image_id, image_data): """Store image data in the backend manually :param image_id: image identifier :param image_data: string representing image data fixture :return URI referencing newly-created backend object """ raise NotImplementedError('stash_image is not implemented')
**** CubicPower OpenStack Study **** def test_create_store(self): self.config(known_stores=[self.store_cls_path]) count = glance.store.create_stores() self.assertEqual(8, count)
**** CubicPower OpenStack Study **** def test_lifecycle(self): """Add, get and delete an image""" store = self.get_store() image_id = str(uuid.uuid4()) image_data = six.StringIO('XXX') image_checksum = 'bc9189406be84ec297464a514221406d' try: uri, add_size, add_checksum, _ = store.add(image_id, image_data, 3) except NotImplementedError: msg = 'Configured store can not add images' self.skipTest(msg) self.assertEqual(3, add_size) self.assertEqual(image_checksum, add_checksum) store = self.get_store() location = glance.store.location.Location( self.store_name, store.get_store_location_class(), uri=uri, image_id=image_id) (get_iter, get_size) = store.get(location) self.assertEqual(3, get_size) self.assertEqual('XXX', ''.join(get_iter)) image_size = store.get_size(location) self.assertEqual(3, image_size) store.delete(location) self.assertRaises(exception.NotFound, store.get, location)
**** CubicPower OpenStack Study **** def test_get_remote_image(self): """Get an image that was created externally to Glance""" image_id = str(uuid.uuid4()) try: image_uri = self.stash_image(image_id, 'XXX') except NotImplementedError: msg = 'Configured store can not stash images' self.skipTest(msg) store = self.get_store() location = glance.store.location.Location( self.store_name, store.get_store_location_class(), uri=image_uri) (get_iter, get_size) = store.get(location) self.assertEqual(3, get_size) self.assertEqual('XXX', ''.join(get_iter)) image_size = store.get_size(location) self.assertEqual(3, image_size)
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