def _test_roundtrip(self, bs):
encoded = base62.b2a(bs)
decoded = base62.a2b(encoded)
self.assertEqual(decoded, bs)
self.assertIsInstance(encoded, bytes)
self.assertIsInstance(bs, bytes)
self.assertIsInstance(decoded, bytes)
# Encoded string only uses values from the base62 allowed characters:
self.assertFalse(set(encoded) - set(base62.chars))
def check_expected(plaintext, encoded):
result1 = base62.b2a(plaintext)
self.assertEqual(encoded, result1)
result2 = base62.a2b(encoded)
self.assertEqual(plaintext, result2)
def _test_ende(self, bs):
ascii=base62.b2a(bs)
bs2=base62.a2b(ascii)
assert bs2 == bs, "bs2: %s:%s, bs: %s:%s, ascii: %s:%s" % (len(bs2), repr(bs2), len(bs), repr(bs), len(ascii), repr(ascii))