1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
# -*- coding: utf-8 -*-
# Copyright 2015, 2016 OpenMarket Ltd
#
# 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 .. import unittest
from synapse.util.caches.lrucache import LruCache
class LruCacheTestCase(unittest.TestCase):
def test_get_set(self):
cache = LruCache(1, 1)
cache[("key",)] = "value"
self.assertEquals(cache.get(("key",)), "value")
self.assertEquals(cache[("key",)], "value")
def test_eviction(self):
cache = LruCache(2, 1)
cache[(1,)] = 1
cache[(2,)] = 2
self.assertEquals(cache.get((1,)), 1)
self.assertEquals(cache.get((2,)), 2)
cache[(3,)] = 3
self.assertEquals(cache.get((1,)), None)
self.assertEquals(cache.get((2,)), 2)
self.assertEquals(cache.get((3,)), 3)
def test_setdefault(self):
cache = LruCache(1, 1)
self.assertEquals(cache.setdefault(("key",), 1), 1)
self.assertEquals(cache.get(("key",)), 1)
self.assertEquals(cache.setdefault(("key",), 2), 1)
self.assertEquals(cache.get(("key",)), 1)
def test_pop(self):
cache = LruCache(1, 1)
cache[("key",)] = 1
self.assertEquals(cache.pop(("key",)), 1)
self.assertEquals(cache.pop(("key",)), None)
|
