deb-glance/glance/tests/unit/base.py
Alex Meade 75339f4712 Add policy check for downloading image.
This patch adds a policy, 'download_image', to be enforced when image data is
retrieved. It also does some basic refactoring of how policies are enforced.

Fixes bug 1038086

Change-Id: Idd844b615d362eae3197e106067c29dba8e3eeda
2012-08-21 16:38:10 -04:00

86 lines
2.8 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2012 OpenStack LLC.
# 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 json
import os
import shutil
import stubout
from glance.openstack.common import cfg
from glance import store
# NOTE(ameade): this import is necessary. Since we override a cfg opt it
# registers we must have that opt loaded.
from glance.store import filesystem
from glance.store import location
from glance.tests import stubs
from glance.tests import utils as test_utils
CONF = cfg.CONF
class StoreClearingUnitTest(test_utils.BaseTestCase):
def setUp(self):
super(StoreClearingUnitTest, self).setUp()
# Ensure stores + locations cleared
location.SCHEME_TO_CLS_MAP = {}
store.create_stores()
def tearDown(self):
super(StoreClearingUnitTest, self).tearDown()
# Ensure stores + locations cleared
location.SCHEME_TO_CLS_MAP = {}
class IsolatedUnitTest(StoreClearingUnitTest):
"""
Unit test case that establishes a mock environment within
a testing directory (in isolation)
"""
def setUp(self):
self.test_id, self.test_dir = test_utils.get_isolated_test_env()
self.stubs = stubout.StubOutForTesting()
policy_file = self._copy_data_file('policy.json', self.test_dir)
self.config(sql_connection='sqlite://',
verbose=False,
debug=False,
default_store='filesystem',
filesystem_store_datadir=os.path.join(self.test_dir),
policy_file=policy_file)
super(IsolatedUnitTest, self).setUp()
stubs.stub_out_registry_and_store_server(self.stubs, self.test_dir)
def _copy_data_file(self, file_name, dst_dir):
src_file_name = os.path.join('glance/tests/etc', file_name)
shutil.copy(src_file_name, dst_dir)
dst_file_name = os.path.join(dst_dir, file_name)
return dst_file_name
def set_policy_rules(self, rules):
fap = open(CONF.policy_file, 'w')
fap.write(json.dumps(rules))
fap.close()
def tearDown(self):
super(IsolatedUnitTest, self).tearDown()
self.stubs.UnsetAll()
if os.path.exists(self.test_dir):
shutil.rmtree(self.test_dir)