55 lines
1.7 KiB
Python
55 lines
1.7 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2015 OpenMarket Ltd
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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 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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from .. import unittest
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from synapse.util.caches.lrucache import LruCache
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class LruCacheTestCase(unittest.TestCase):
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def test_get_set(self):
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cache = LruCache(1)
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cache["key"] = "value"
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self.assertEquals(cache.get("key"), "value")
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self.assertEquals(cache["key"], "value")
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def test_eviction(self):
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cache = LruCache(2)
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cache[1] = 1
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cache[2] = 2
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self.assertEquals(cache.get(1), 1)
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self.assertEquals(cache.get(2), 2)
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cache[3] = 3
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self.assertEquals(cache.get(1), None)
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self.assertEquals(cache.get(2), 2)
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self.assertEquals(cache.get(3), 3)
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def test_setdefault(self):
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cache = LruCache(1)
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self.assertEquals(cache.setdefault("key", 1), 1)
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self.assertEquals(cache.get("key"), 1)
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self.assertEquals(cache.setdefault("key", 2), 1)
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self.assertEquals(cache.get("key"), 1)
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def test_pop(self):
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cache = LruCache(1)
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cache["key"] = 1
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self.assertEquals(cache.pop("key"), 1)
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self.assertEquals(cache.pop("key"), None)
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