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
|
import unittest
import cachetools.keys
class CacheKeysTest(unittest.TestCase):
def test_hashkey(self, key=cachetools.keys.hashkey):
self.assertEqual(key(), key())
self.assertEqual(hash(key()), hash(key()))
self.assertEqual(key(1, 2, 3), key(1, 2, 3))
self.assertEqual(hash(key(1, 2, 3)), hash(key(1, 2, 3)))
self.assertEqual(key(1, 2, 3, x=0), key(1, 2, 3, x=0))
self.assertEqual(hash(key(1, 2, 3, x=0)), hash(key(1, 2, 3, x=0)))
self.assertNotEqual(key(1, 2, 3), key(3, 2, 1))
self.assertNotEqual(key(1, 2, 3), key(1, 2, 3, x=None))
self.assertNotEqual(key(1, 2, 3, x=0), key(1, 2, 3, x=None))
self.assertNotEqual(key(1, 2, 3, x=0), key(1, 2, 3, y=0))
with self.assertRaises(TypeError):
hash(key({}))
# untyped keys compare equal
self.assertEqual(key(1, 2, 3), key(1.0, 2.0, 3.0))
self.assertEqual(hash(key(1, 2, 3)), hash(key(1.0, 2.0, 3.0)))
def test_typedkey(self, key=cachetools.keys.typedkey):
self.assertEqual(key(), key())
self.assertEqual(hash(key()), hash(key()))
self.assertEqual(key(1, 2, 3), key(1, 2, 3))
self.assertEqual(hash(key(1, 2, 3)), hash(key(1, 2, 3)))
self.assertEqual(key(1, 2, 3, x=0), key(1, 2, 3, x=0))
self.assertEqual(hash(key(1, 2, 3, x=0)), hash(key(1, 2, 3, x=0)))
self.assertNotEqual(key(1, 2, 3), key(3, 2, 1))
self.assertNotEqual(key(1, 2, 3), key(1, 2, 3, x=None))
self.assertNotEqual(key(1, 2, 3, x=0), key(1, 2, 3, x=None))
self.assertNotEqual(key(1, 2, 3, x=0), key(1, 2, 3, y=0))
with self.assertRaises(TypeError):
hash(key({}))
# typed keys compare unequal
self.assertNotEqual(key(1, 2, 3), key(1.0, 2.0, 3.0))
def test_addkeys(self, key=cachetools.keys.hashkey):
self.assertIsInstance(key(), tuple)
self.assertIsInstance(key(1, 2, 3) + key(4, 5, 6), type(key()))
self.assertIsInstance(key(1, 2, 3) + (4, 5, 6), type(key()))
self.assertIsInstance((1, 2, 3) + key(4, 5, 6), type(key()))
def test_pickle(self, key=cachetools.keys.hashkey):
import pickle
for k in [key(), key("abc"), key("abc", 123), key("abc", q="abc")]:
# white-box test: assert cached hash value is not pickled
self.assertEqual(len(k.__dict__), 0)
h = hash(k)
self.assertEqual(len(k.__dict__), 1)
pickled = pickle.loads(pickle.dumps(k))
self.assertEqual(len(pickled.__dict__), 0)
self.assertEqual(k, pickled)
self.assertEqual(h, hash(pickled))
|
