186 lines
5.6 KiB
Python
186 lines
5.6 KiB
Python
# Copyright (c) 2013 Red Hat, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import msgpack
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from oslo_cache import core
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from oslo_config import cfg
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from zaqar.common import cache as oslo_cache
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from zaqar.common import decorators
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from zaqar.conf import default
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from zaqar.tests import base
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class TestDecorators(base.TestBase):
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def setUp(self):
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super(TestDecorators, self).setUp()
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self.conf.register_opts(default.ALL_OPTS)
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def test_memoized_getattr(self):
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class TestClass(object):
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@decorators.memoized_getattr
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def __getattr__(self, name):
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return name
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instance = TestClass()
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result = instance.testing
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self.assertEqual('testing', result)
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self.assertIn('testing', instance.__dict__)
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def test_cached(self):
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conf = cfg.ConfigOpts()
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oslo_cache.register_config(conf)
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conf.cache.backend = 'dogpile.cache.memory'
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conf.cache.enabled = True
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cache = oslo_cache.get_cache(conf)
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sample_project = {
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u'name': u'Cats Abound',
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u'bits': b'\x80\x81\x82\x83\x84',
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b'key': u'Value. \x80',
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}
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def create_key(user, project=None):
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return user + ':' + str(project)
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class TestClass(object):
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def __init__(self, cache):
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self._cache = cache
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self.project_gets = 0
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self.project_dels = 0
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@decorators.caches(create_key, 60)
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def get_project(self, user, project=None):
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self.project_gets += 1
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return sample_project
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@get_project.purges
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def del_project(self, user, project=None):
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self.project_dels += 1
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instance = TestClass(cache)
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args = ('23', 'cats')
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project = instance.get_project(*args)
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self.assertEqual(sample_project, project)
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self.assertEqual(1, instance.project_gets)
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# Should be in the cache now.
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project = msgpack.unpackb(cache.get(create_key(*args)),
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encoding='utf-8')
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self.assertEqual(sample_project, project)
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# Should read from the cache this time (counter will not
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# be incremented).
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project = instance.get_project(*args)
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self.assertEqual(sample_project, project)
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self.assertEqual(1, instance.project_gets)
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# Use kwargs this time
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instance.del_project('23', project='cats')
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self.assertEqual(1, instance.project_dels)
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# Should be a cache miss since we purged (above)
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project = instance.get_project(*args)
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self.assertEqual(2, instance.project_gets)
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def test_cached_with_cond(self):
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conf = cfg.ConfigOpts()
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oslo_cache.register_config(conf)
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conf.cache.backend = 'dogpile.cache.memory'
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conf.cache.enabled = True
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cache = oslo_cache.get_cache(conf)
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class TestClass(object):
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def __init__(self, cache):
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self._cache = cache
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self.user_gets = 0
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@decorators.caches(lambda x: x, 60, lambda v: v != 'kgriffs')
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def get_user(self, name):
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self.user_gets += 1
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return name
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instance = TestClass(cache)
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name = 'malini'
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user = instance.get_user(name)
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self.assertEqual(name, user)
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self.assertEqual(1, instance.user_gets)
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# Should be in the cache now.
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user = msgpack.unpackb(cache.get(name), encoding='utf-8')
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self.assertEqual(name, user)
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# Should read from the cache this time (counter will not
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# be incremented).
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user = instance.get_user(name)
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self.assertEqual(name, user)
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self.assertEqual(1, instance.user_gets)
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# Won't go into the cache because of cond
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name = 'kgriffs'
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for i in range(3):
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user = instance.get_user(name)
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self.assertEqual(cache.get(name), core.NO_VALUE)
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self.assertEqual(name, user)
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self.assertEqual(2 + i, instance.user_gets)
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def test_api_version_manager(self):
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self.config(enable_deprecated_api_versions=[])
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# 1. Test accessing current API version
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VERSION = {
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'id': '1',
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'status': 'CURRENT',
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'updated': 'Just yesterday'
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}
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@decorators.api_version_manager(VERSION)
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def public_endpoint_1(driver, conf):
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return True
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self.assertTrue(public_endpoint_1(None, self.conf))
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# 2. Test accessing deprecated API version
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VERSION = {
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'id': '1',
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'status': 'DEPRECATED',
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'updated': 'A long time ago'
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}
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@decorators.api_version_manager(VERSION)
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def public_endpoint_2(driver, conf):
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self.fail('Deprecated API enabled')
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public_endpoint_2(None, self.conf)
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# 3. Test enabling deprecated API version
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self.config(enable_deprecated_api_versions=[['1']])
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@decorators.api_version_manager(VERSION)
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def public_endpoint_3(driver, conf):
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return True
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self.assertTrue(public_endpoint_3(None, self.conf))
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