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import unittest
import cachetools
class CacheKeysTest(unittest.TestCase):
def test_hashkey(self, key=cachetools.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.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.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()))
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