116 lines
4.1 KiB
Python
116 lines
4.1 KiB
Python
# Copyright 2015 Mirantis Inc
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from dogpile.cache import region as dp_region
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from oslo_cache import core
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from oslo_cache.tests import test_cache
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from oslo_config import fixture as config_fixture
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from oslo_utils import fixture as time_fixture
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NO_VALUE = core.NO_VALUE
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KEY = 'test_key'
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VALUE = 'test_value'
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class CacheDictBackendTest(test_cache.BaseTestCase):
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def setUp(self):
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super(CacheDictBackendTest, self).setUp()
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self.config_fixture = self.useFixture(config_fixture.Config())
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self.config_fixture.config(group='cache', backend='oslo_cache.dict')
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self.time_fixture = self.useFixture(time_fixture.TimeFixture())
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self.region = dp_region.make_region()
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self.region.configure(
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'oslo_cache.dict', arguments={'expiration_time': 0.5})
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def test_dict_backend(self):
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self.assertIs(NO_VALUE, self.region.get(KEY))
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self.region.set(KEY, VALUE)
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self.assertEqual(VALUE, self.region.get(KEY))
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self.region.delete(KEY)
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self.assertIs(NO_VALUE, self.region.get(KEY))
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def test_dict_backend_expiration_time(self):
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self.region.set(KEY, VALUE)
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self.assertEqual(VALUE, self.region.get(KEY))
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self.time_fixture.advance_time_seconds(1)
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self.assertIs(NO_VALUE, self.region.get(KEY))
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def test_dict_backend_clear_cache(self):
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self.region.set(KEY, VALUE)
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self.time_fixture.advance_time_seconds(1)
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self.assertEqual(1, len(self.region.backend.cache))
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self.region.backend._clear()
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self.assertEqual(0, len(self.region.backend.cache))
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def test_dict_backend_zero_expiration_time(self):
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self.region = dp_region.make_region()
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self.region.configure(
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'oslo_cache.dict', arguments={'expiration_time': 0})
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self.region.set(KEY, VALUE)
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self.time_fixture.advance_time_seconds(1)
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self.assertEqual(VALUE, self.region.get(KEY))
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self.assertEqual(1, len(self.region.backend.cache))
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self.region.backend._clear()
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self.assertEqual(VALUE, self.region.get(KEY))
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self.assertEqual(1, len(self.region.backend.cache))
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def test_dict_backend_multi_keys(self):
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self.region.set('key1', 'value1')
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self.region.set('key2', 'value2')
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self.time_fixture.advance_time_seconds(1)
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self.region.set('key3', 'value3')
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self.assertEqual(1, len(self.region.backend.cache))
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self.assertIs(NO_VALUE, self.region.get('key1'))
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self.assertIs(NO_VALUE, self.region.get('key2'))
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self.assertEqual('value3', self.region.get('key3'))
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def test_dict_backend_multi_keys_in_one_call(self):
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single_value = 'Test Value'
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single_key = 'testkey'
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multi_values = {'key1': 1, 'key2': 2, 'key3': 3}
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self.region.set(single_key, single_value)
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self.assertEqual(single_value, self.region.get(single_key))
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self.region.delete(single_key)
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self.assertEqual(NO_VALUE, self.region.get(single_key))
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self.region.set_multi(multi_values)
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cached_values = self.region.get_multi(multi_values.keys())
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for value in multi_values.values():
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self.assertIn(value, cached_values)
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self.assertEqual(len(multi_values.values()), len(cached_values))
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self.region.delete_multi(multi_values.keys())
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for value in self.region.get_multi(multi_values.keys()):
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self.assertEqual(NO_VALUE, value)
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def test_dict_backend_rewrite_value(self):
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self.region.set(KEY, 'value1')
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self.region.set(KEY, 'value2')
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self.assertEqual('value2', self.region.get(KEY))
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