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
|
import random
import unittest
from cachetools import RRCache
from . import CacheTestMixin
# random.choice cannot be pickled...
def choice(seq):
return random.choice(seq)
class RRCacheTest(unittest.TestCase, CacheTestMixin):
def cache(self, maxsize, choice=choice, missing=None, getsizeof=None):
return RRCache(maxsize, choice=choice, missing=missing,
getsizeof=getsizeof)
def test_choice(self):
cache = self.cache(maxsize=2, choice=min)
self.assertEqual(min, cache.choice)
cache[1] = 1
cache[2] = 2
cache[3] = 3
self.assertEqual(2, len(cache))
self.assertEqual(2, cache[2])
self.assertEqual(3, cache[3])
self.assertNotIn(1, cache)
cache[0] = 0
self.assertEqual(2, len(cache))
self.assertEqual(0, cache[0])
self.assertEqual(3, cache[3])
self.assertNotIn(2, cache)
cache[4] = 4
self.assertEqual(2, len(cache))
self.assertEqual(3, cache[3])
self.assertEqual(4, cache[4])
self.assertNotIn(0, cache)
|
