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
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
|
import unittest
import warnings
import cachetools.func
class DecoratorTestMixin(object):
def decorator(self, maxsize, typed=False, lock=None):
raise NotImplementedError
def test_decorator(self):
cached = self.decorator(maxsize=2)(lambda n: n)
self.assertEqual(cached.cache_info(), (0, 0, 2, 0))
self.assertEqual(cached(1), 1)
self.assertEqual(cached.cache_info(), (0, 1, 2, 1))
self.assertEqual(cached(1), 1)
self.assertEqual(cached.cache_info(), (1, 1, 2, 1))
self.assertEqual(cached(1.0), 1.0)
self.assertEqual(cached.cache_info(), (2, 1, 2, 1))
def test_decorator_clear(self):
cached = self.decorator(maxsize=2)(lambda n: n)
self.assertEqual(cached.cache_info(), (0, 0, 2, 0))
self.assertEqual(cached(1), 1)
self.assertEqual(cached.cache_info(), (0, 1, 2, 1))
cached.cache_clear()
self.assertEqual(cached.cache_info(), (0, 0, 2, 0))
self.assertEqual(cached(1), 1)
self.assertEqual(cached.cache_info(), (0, 1, 2, 1))
def test_decorator_nosize(self):
cached = self.decorator(maxsize=0)(lambda n: n)
self.assertEqual(cached.cache_info(), (0, 0, 0, 0))
self.assertEqual(cached(1), 1)
self.assertEqual(cached.cache_info(), (0, 1, 0, 0))
self.assertEqual(cached(1), 1)
self.assertEqual(cached.cache_info(), (0, 2, 0, 0))
self.assertEqual(cached(1.0), 1.0)
self.assertEqual(cached.cache_info(), (0, 3, 0, 0))
def test_decorator_typed(self):
cached = self.decorator(maxsize=2, typed=True)(lambda n: n)
self.assertEqual(cached.cache_info(), (0, 0, 2, 0))
self.assertEqual(cached(1), 1)
self.assertEqual(cached.cache_info(), (0, 1, 2, 1))
self.assertEqual(cached(1), 1)
self.assertEqual(cached.cache_info(), (1, 1, 2, 1))
self.assertEqual(cached(1.0), 1.0)
self.assertEqual(cached.cache_info(), (1, 2, 2, 2))
self.assertEqual(cached(1.0), 1.0)
self.assertEqual(cached.cache_info(), (2, 2, 2, 2))
def test_decorator_lock(self):
class Lock(object):
count = 0
def __enter__(self):
Lock.count += 1
def __exit__(self, *exc):
pass
with warnings.catch_warnings(record=True) as w:
warnings.simplefilter('always')
cached = self.decorator(maxsize=2, lock=Lock)(lambda n: n)
self.assertEqual(len(w), 1)
self.assertIs(w[0].category, DeprecationWarning)
self.assertEqual(cached.cache_info(), (0, 0, 2, 0))
self.assertEqual(Lock.count, 1)
self.assertEqual(cached(1), 1)
self.assertEqual(Lock.count, 3)
self.assertEqual(cached.cache_info(), (0, 1, 2, 1))
self.assertEqual(Lock.count, 4)
self.assertEqual(cached(1), 1)
self.assertEqual(Lock.count, 5)
self.assertEqual(cached.cache_info(), (1, 1, 2, 1))
self.assertEqual(Lock.count, 6)
self.assertEqual(cached(1.0), 1.0)
self.assertEqual(Lock.count, 7)
self.assertEqual(cached.cache_info(), (2, 1, 2, 1))
self.assertEqual(Lock.count, 8)
def test_decorator_nolock(self):
with warnings.catch_warnings(record=True) as w:
warnings.simplefilter('always')
cached = self.decorator(maxsize=2, lock=None)(lambda n: n)
self.assertEqual(len(w), 1)
self.assertIs(w[0].category, DeprecationWarning)
self.assertEqual(cached.cache_info(), (0, 0, 2, 0))
self.assertEqual(cached(1), 1)
self.assertEqual(cached.cache_info(), (0, 1, 2, 1))
self.assertEqual(cached(1), 1)
self.assertEqual(cached.cache_info(), (1, 1, 2, 1))
self.assertEqual(cached(1.0), 1.0)
self.assertEqual(cached.cache_info(), (2, 1, 2, 1))
class LFUDecoratorTest(unittest.TestCase, DecoratorTestMixin):
def decorator(self, maxsize, **kwargs):
return cachetools.func.lfu_cache(maxsize, **kwargs)
class LRUDecoratorTest(unittest.TestCase, DecoratorTestMixin):
def decorator(self, maxsize, **kwargs):
return cachetools.func.lru_cache(maxsize, **kwargs)
class RRDecoratorTest(unittest.TestCase, DecoratorTestMixin):
def decorator(self, maxsize, **kwargs):
return cachetools.func.rr_cache(maxsize, **kwargs)
class TTLDecoratorTest(unittest.TestCase, DecoratorTestMixin):
def decorator(self, maxsize, **kwargs):
return cachetools.func.ttl_cache(maxsize, **kwargs)
|
