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import hmac
import unittest
from . import _test_module_init
from twoping import crc32
class TestCRC32(unittest.TestCase):
def test_crc32(self):
c = crc32.new(b"Data to hash")
self.assertEqual(c.digest(), b"\x44\x9e\x0a\x5c")
def test_hmac(self):
h = hmac.new(b"Secret key", b"Data to hash", crc32)
self.assertEqual(h.digest(), b"\x3c\xe1\xb6\xb9")
def test_update(self):
c = crc32.new()
c.update(b"Data to hash")
self.assertEqual(c.digest(), b"\x44\x9e\x0a\x5c")
def test_hexdigest(self):
c = crc32.new(b"Data to hash")
self.assertEqual(c.hexdigest(), "449e0a5c")
def test_hexdigest_zero_padding(self):
c = crc32.new(b"jade")
self.assertEqual(c.hexdigest(), "00835218")
def test_clear(self):
c = crc32.new(b"Data to hash")
c.clear()
self.assertEqual(c.digest(), b"\x00\x00\x00\x00")
def test_zero_padding(self):
c = crc32.new(b"jade")
self.assertEqual(c.digest(), b"\x00\x83\x52\x18")
def test_module_init(self):
self.assertTrue(_test_module_init(crc32))
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