mirror of
https://mau.dev/maunium/synapse.git
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234 lines
6.5 KiB
Python
234 lines
6.5 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2015, 2016 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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from synapse.util.caches.treecache import TreeCache
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from mock import Mock
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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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cache["key"] = 2 # Make sure overriding works.
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self.assertEquals(cache.get("key"), 2)
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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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def test_del_multi(self):
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cache = LruCache(4, 2, cache_type=TreeCache)
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cache[("animal", "cat")] = "mew"
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cache[("animal", "dog")] = "woof"
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cache[("vehicles", "car")] = "vroom"
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cache[("vehicles", "train")] = "chuff"
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self.assertEquals(len(cache), 4)
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self.assertEquals(cache.get(("animal", "cat")), "mew")
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self.assertEquals(cache.get(("vehicles", "car")), "vroom")
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cache.del_multi(("animal",))
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self.assertEquals(len(cache), 2)
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self.assertEquals(cache.get(("animal", "cat")), None)
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self.assertEquals(cache.get(("animal", "dog")), None)
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self.assertEquals(cache.get(("vehicles", "car")), "vroom")
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self.assertEquals(cache.get(("vehicles", "train")), "chuff")
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# Man from del_multi say "Yes".
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def test_clear(self):
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cache = LruCache(1)
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cache["key"] = 1
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cache.clear()
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self.assertEquals(len(cache), 0)
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class LruCacheCallbacksTestCase(unittest.TestCase):
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def test_get(self):
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m = Mock()
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cache = LruCache(1)
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cache.set("key", "value")
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self.assertFalse(m.called)
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cache.get("key", callback=m)
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self.assertFalse(m.called)
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cache.get("key", "value")
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self.assertFalse(m.called)
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cache.set("key", "value2")
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self.assertEquals(m.call_count, 1)
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cache.set("key", "value")
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self.assertEquals(m.call_count, 1)
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def test_multi_get(self):
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m = Mock()
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cache = LruCache(1)
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cache.set("key", "value")
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self.assertFalse(m.called)
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cache.get("key", callback=m)
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self.assertFalse(m.called)
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cache.get("key", callback=m)
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self.assertFalse(m.called)
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cache.set("key", "value2")
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self.assertEquals(m.call_count, 1)
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cache.set("key", "value")
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self.assertEquals(m.call_count, 1)
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def test_set(self):
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m = Mock()
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cache = LruCache(1)
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cache.set("key", "value", m)
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self.assertFalse(m.called)
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cache.set("key", "value")
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self.assertFalse(m.called)
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cache.set("key", "value2")
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self.assertEquals(m.call_count, 1)
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cache.set("key", "value")
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self.assertEquals(m.call_count, 1)
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def test_pop(self):
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m = Mock()
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cache = LruCache(1)
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cache.set("key", "value", m)
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self.assertFalse(m.called)
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cache.pop("key")
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self.assertEquals(m.call_count, 1)
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cache.set("key", "value")
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self.assertEquals(m.call_count, 1)
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cache.pop("key")
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self.assertEquals(m.call_count, 1)
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def test_del_multi(self):
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m1 = Mock()
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m2 = Mock()
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m3 = Mock()
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m4 = Mock()
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cache = LruCache(4, 2, cache_type=TreeCache)
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cache.set(("a", "1"), "value", m1)
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cache.set(("a", "2"), "value", m2)
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cache.set(("b", "1"), "value", m3)
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cache.set(("b", "2"), "value", m4)
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self.assertEquals(m1.call_count, 0)
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self.assertEquals(m2.call_count, 0)
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self.assertEquals(m3.call_count, 0)
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self.assertEquals(m4.call_count, 0)
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cache.del_multi(("a",))
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self.assertEquals(m1.call_count, 1)
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self.assertEquals(m2.call_count, 1)
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self.assertEquals(m3.call_count, 0)
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self.assertEquals(m4.call_count, 0)
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def test_clear(self):
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m1 = Mock()
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m2 = Mock()
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cache = LruCache(5)
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cache.set("key1", "value", m1)
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cache.set("key2", "value", m2)
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self.assertEquals(m1.call_count, 0)
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self.assertEquals(m2.call_count, 0)
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cache.clear()
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self.assertEquals(m1.call_count, 1)
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self.assertEquals(m2.call_count, 1)
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def test_eviction(self):
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m1 = Mock(name="m1")
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m2 = Mock(name="m2")
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m3 = Mock(name="m3")
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cache = LruCache(2)
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cache.set("key1", "value", m1)
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cache.set("key2", "value", m2)
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self.assertEquals(m1.call_count, 0)
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self.assertEquals(m2.call_count, 0)
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self.assertEquals(m3.call_count, 0)
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cache.set("key3", "value", m3)
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self.assertEquals(m1.call_count, 1)
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self.assertEquals(m2.call_count, 0)
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self.assertEquals(m3.call_count, 0)
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cache.set("key3", "value")
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self.assertEquals(m1.call_count, 1)
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self.assertEquals(m2.call_count, 0)
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self.assertEquals(m3.call_count, 0)
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cache.get("key2")
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self.assertEquals(m1.call_count, 1)
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self.assertEquals(m2.call_count, 0)
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self.assertEquals(m3.call_count, 0)
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cache.set("key1", "value", m1)
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self.assertEquals(m1.call_count, 1)
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self.assertEquals(m2.call_count, 0)
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self.assertEquals(m3.call_count, 1)
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