test_keycache.py 文件源码

def test_cache_update_time(self):
        """
        Test if the cache next_update works
        """
        # Create a pem encoded public key
        private_key = generate_private_key(
            public_exponent=65537,
            key_size=2048,
            backend=default_backend()
        )
        public_key = private_key.public_key()
        public_pem = public_key.public_bytes(
            encoding=serialization.Encoding.PEM,
            format=serialization.PublicFormat.SubjectPublicKeyInfo
        )

        self.keycache.addkeyinfo("https://doesnotexists.com/", "blahstuff", public_key, cache_timer=60, next_update=-1)

        # Even though the cache is still valid, the next update is triggered
        # We should still get the key, even though the next update fails
        # (invalid url)
        pubkey = self.keycache.getkeyinfo("https://doesnotexists.com/", "blahstuff")

        public_pem2 = pubkey.public_bytes(
            encoding=serialization.Encoding.PEM,
            format=serialization.PublicFormat.SubjectPublicKeyInfo
        )

        self.assertEqual(public_pem, public_pem2)