tests.py 文件源码

def test_sign_unsign(self):
        """sign/unsign should be reversible"""
        signer = signing.BytesSigner('predictable-secret')
        examples = [
            b'q;wjmbk;wkmb',
            b'3098247529087',
            b'3098247:529:087:',
            b'jkw osanteuh ,rcuh nthu aou oauh ,ud du',
            b'\u2019',
        ]
        if six.PY2:
            examples.append(b'a byte string')
        for example in examples:
            signed = signer.sign(example)
            self.assertIsInstance(signed, six.binary_type)
            self.assertNotEqual(force_str(example), signed)
            self.assertEqual(example, signer.unsign(signed))