5881ad7cb1
Using oslo_cache lib the only way to compare some cached_value with NO_VALUE is to add bad import like 'from oslo_cache.backends.dictionary import NO_VALUE'. NO_VALUE is now added to core.py file and the improved import 'oslo_cache.core import NO_VALUE' will look much better in other projects. NO_VALUE is now public, it is added to __all__ and is used everywhere from core instead of dogpile.cache.api.NO_VALUE. Co-Authored-By: Sergey Nikitin <snikitin@mirantis.com> Change-Id: I8fea4a9eb088089289ba1dd35377fb10465c313a
95 lines
3.3 KiB
Python
95 lines
3.3 KiB
Python
# Copyright 2015 Mirantis 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.
|
|
|
|
from dogpile.cache import region as dp_region
|
|
|
|
from oslo_cache import core
|
|
from oslo_cache.tests import test_cache
|
|
from oslo_config import fixture as config_fixture
|
|
from oslo_utils import fixture as time_fixture
|
|
|
|
|
|
NO_VALUE = core.NO_VALUE
|
|
KEY = 'test_key'
|
|
VALUE = 'test_value'
|
|
|
|
|
|
class CacheDictBackendTest(test_cache.BaseTestCase):
|
|
|
|
def setUp(self):
|
|
super(CacheDictBackendTest, self).setUp()
|
|
self.config_fixture = self.useFixture(config_fixture.Config())
|
|
self.config_fixture.config(group='cache', backend='oslo_cache.dict')
|
|
self.time_fixture = self.useFixture(time_fixture.TimeFixture())
|
|
self.region = dp_region.make_region()
|
|
self.region.configure(
|
|
'oslo_cache.dict', arguments={'expiration_time': 0.5})
|
|
|
|
def test_dict_backend(self):
|
|
self.assertIs(NO_VALUE, self.region.get(KEY))
|
|
|
|
self.region.set(KEY, VALUE)
|
|
self.assertEqual(VALUE, self.region.get(KEY))
|
|
|
|
self.region.delete(KEY)
|
|
self.assertIs(NO_VALUE, self.region.get(KEY))
|
|
|
|
def test_dict_backend_expiration_time(self):
|
|
self.region.set(KEY, VALUE)
|
|
self.assertEqual(VALUE, self.region.get(KEY))
|
|
|
|
self.time_fixture.advance_time_seconds(1)
|
|
self.assertIs(NO_VALUE, self.region.get(KEY))
|
|
|
|
def test_dict_backend_clear_cache(self):
|
|
self.region.set(KEY, VALUE)
|
|
|
|
self.time_fixture.advance_time_seconds(1)
|
|
|
|
self.assertEqual(1, len(self.region.backend.cache))
|
|
self.region.backend._clear()
|
|
self.assertEqual(0, len(self.region.backend.cache))
|
|
|
|
def test_dict_backend_zero_expiration_time(self):
|
|
self.region = dp_region.make_region()
|
|
self.region.configure(
|
|
'oslo_cache.dict', arguments={'expiration_time': 0})
|
|
|
|
self.region.set(KEY, VALUE)
|
|
self.time_fixture.advance_time_seconds(1)
|
|
|
|
self.assertEqual(VALUE, self.region.get(KEY))
|
|
self.assertEqual(1, len(self.region.backend.cache))
|
|
|
|
self.region.backend._clear()
|
|
|
|
self.assertEqual(VALUE, self.region.get(KEY))
|
|
self.assertEqual(1, len(self.region.backend.cache))
|
|
|
|
def test_dict_backend_multi_keys(self):
|
|
self.region.set('key1', 'value1')
|
|
self.region.set('key2', 'value2')
|
|
self.time_fixture.advance_time_seconds(1)
|
|
self.region.set('key3', 'value3')
|
|
|
|
self.assertEqual(1, len(self.region.backend.cache))
|
|
self.assertIs(NO_VALUE, self.region.get('key1'))
|
|
self.assertIs(NO_VALUE, self.region.get('key2'))
|
|
self.assertEqual('value3', self.region.get('key3'))
|
|
|
|
def test_dict_backend_rewrite_value(self):
|
|
self.region.set(KEY, 'value1')
|
|
self.region.set(KEY, 'value2')
|
|
self.assertEqual('value2', self.region.get(KEY))
|