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import os
import unittest
import random
import xxhash
class TestXXH(unittest.TestCase):
def test_xxh3_128(self):
self.assertEqual(xxhash.xxh3_128('a').intdigest(), 225219434562328483135862406050043285023)
self.assertEqual(xxhash.xxh3_128('a', 0).intdigest(), 225219434562328483135862406050043285023)
self.assertEqual(xxhash.xxh3_128('a', 1).intdigest(), 337425133163118381928709500770786453280)
self.assertEqual(xxhash.xxh3_128('a', 2**64-1).intdigest(), 198297796855923085494266857744987477846)
def test_xxh3_128_intdigest(self):
self.assertEqual(xxhash.xxh3_128_intdigest('a'), 225219434562328483135862406050043285023)
self.assertEqual(xxhash.xxh3_128_intdigest('a', 0), 225219434562328483135862406050043285023)
self.assertEqual(xxhash.xxh3_128_intdigest('a', 1), 337425133163118381928709500770786453280)
self.assertEqual(xxhash.xxh3_128_intdigest('a', 2**64-1), 198297796855923085494266857744987477846)
def test_xxh3_128_update(self):
x = xxhash.xxh3_128()
x.update('a')
self.assertEqual(xxhash.xxh3_128('a').digest(), x.digest())
self.assertEqual(xxhash.xxh3_128_digest('a'), x.digest())
x.update('b')
self.assertEqual(xxhash.xxh3_128('ab').digest(), x.digest())
self.assertEqual(xxhash.xxh3_128_digest('ab'), x.digest())
x.update('c')
self.assertEqual(xxhash.xxh3_128('abc').digest(), x.digest())
self.assertEqual(xxhash.xxh3_128_digest('abc'), x.digest())
seed = random.randint(0, 2**64)
x = xxhash.xxh3_128(seed=seed)
x.update('a')
self.assertEqual(xxhash.xxh3_128('a', seed).digest(), x.digest())
self.assertEqual(xxhash.xxh3_128_digest('a', seed), x.digest())
x.update('b')
self.assertEqual(xxhash.xxh3_128('ab', seed).digest(), x.digest())
self.assertEqual(xxhash.xxh3_128_digest('ab', seed), x.digest())
x.update('c')
self.assertEqual(xxhash.xxh3_128('abc', seed).digest(), x.digest())
self.assertEqual(xxhash.xxh3_128_digest('abc', seed), x.digest())
def test_xxh3_128_reset(self):
x = xxhash.xxh3_128()
h = x.intdigest()
x.update('x' * 10240)
x.reset()
self.assertEqual(h, x.intdigest())
def test_xxh3_128_seed_reset(self):
seed = random.randint(0, 2**64-1)
x = xxhash.xxh3_128(seed=seed)
h = x.intdigest()
x.update('x' * 10240)
x.reset()
self.assertEqual(h, x.intdigest())
def test_xxh3_128_reset_more(self):
x = xxhash.xxh3_128()
h = x.intdigest()
for i in range(random.randint(100, 200)):
x.reset()
for i in range(10, 1000):
x.update(os.urandom(i))
x.reset()
self.assertEqual(h, x.intdigest())
for i in range(10, 1000):
x.update(os.urandom(100))
x.reset()
self.assertEqual(h, x.intdigest())
def test_xxh3_128_seed_reset_more(self):
seed = random.randint(0, 2**64-1)
x = xxhash.xxh3_128(seed=seed)
h = x.intdigest()
for i in range(random.randint(100, 200)):
x.reset()
for i in range(10, 1000):
x.update(os.urandom(i))
x.reset()
self.assertEqual(h, x.intdigest())
for i in range(10, 1000):
x.update(os.urandom(100))
x.reset()
self.assertEqual(h, x.intdigest())
def test_xxh3_128_copy(self):
a = xxhash.xxh3_128()
a.update('xxhash')
b = a.copy()
self.assertEqual(a.digest(), b.digest())
self.assertEqual(a.intdigest(), b.intdigest())
self.assertEqual(a.hexdigest(), b.hexdigest())
b.update('xxhash')
self.assertNotEqual(a.digest(), b.digest())
self.assertNotEqual(a.intdigest(), b.intdigest())
self.assertNotEqual(a.hexdigest(), b.hexdigest())
a.update('xxhash')
self.assertEqual(a.digest(), b.digest())
self.assertEqual(a.intdigest(), b.intdigest())
self.assertEqual(a.hexdigest(), b.hexdigest())
def test_xxh3_128_overflow(self):
s = 'I want an unsigned 64-bit seed!'
a = xxhash.xxh3_128(s, seed=0)
b = xxhash.xxh3_128(s, seed=2**64)
self.assertEqual(a.seed, b.seed)
self.assertEqual(a.intdigest(), b.intdigest())
self.assertEqual(a.hexdigest(), b.hexdigest())
self.assertEqual(a.digest(), b.digest())
self.assertEqual(a.intdigest(), xxhash.xxh3_128_intdigest(s, seed=0))
self.assertEqual(a.intdigest(), xxhash.xxh3_128_intdigest(s, seed=2**64))
self.assertEqual(a.digest(), xxhash.xxh3_128_digest(s, seed=0))
self.assertEqual(a.digest(), xxhash.xxh3_128_digest(s, seed=2**64))
self.assertEqual(a.hexdigest(), xxhash.xxh3_128_hexdigest(s, seed=0))
self.assertEqual(a.hexdigest(), xxhash.xxh3_128_hexdigest(s, seed=2**64))
a = xxhash.xxh3_128(s, seed=1)
b = xxhash.xxh3_128(s, seed=2**64+1)
self.assertEqual(a.seed, b.seed)
self.assertEqual(a.intdigest(), b.intdigest())
self.assertEqual(a.hexdigest(), b.hexdigest())
self.assertEqual(a.digest(), b.digest())
self.assertEqual(a.intdigest(), xxhash.xxh3_128_intdigest(s, seed=1))
self.assertEqual(a.intdigest(), xxhash.xxh3_128_intdigest(s, seed=2**64+1))
self.assertEqual(a.digest(), xxhash.xxh3_128_digest(s, seed=1))
self.assertEqual(a.digest(), xxhash.xxh3_128_digest(s, seed=2**64+1))
self.assertEqual(a.hexdigest(), xxhash.xxh3_128_hexdigest(s, seed=1))
self.assertEqual(a.hexdigest(), xxhash.xxh3_128_hexdigest(s, seed=2**64+1))
a = xxhash.xxh3_128(s, seed=2**65-1)
b = xxhash.xxh3_128(s, seed=2**66-1)
self.assertEqual(a.seed, b.seed)
self.assertEqual(a.intdigest(), b.intdigest())
self.assertEqual(a.hexdigest(), b.hexdigest())
self.assertEqual(a.digest(), b.digest())
self.assertEqual(a.intdigest(), xxhash.xxh3_128_intdigest(s, seed=2**65-1))
self.assertEqual(a.intdigest(), xxhash.xxh3_128_intdigest(s, seed=2**66-1))
self.assertEqual(a.digest(), xxhash.xxh3_128_digest(s, seed=2**65-1))
self.assertEqual(a.digest(), xxhash.xxh3_128_digest(s, seed=2**66-1))
self.assertEqual(a.hexdigest(), xxhash.xxh3_128_hexdigest(s, seed=2**65-1))
self.assertEqual(a.hexdigest(), xxhash.xxh3_128_hexdigest(s, seed=2**66-1))
if __name__ == '__main__':
unittest.main()
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