Method test_tls1_3

Lib/test/test_ssl.py:4185–4197

(self)

    @requires_tls_version('TLSv1_3')
    def test_tls1_3(self):
        client_context, server_context, hostname = testing_context()
        client_context.minimum_version = ssl.TLSVersion.TLSv1_3
        with ThreadedEchoServer(context=server_context) as server:
            with client_context.wrap_socket(socket.socket(),
                                            server_hostname=hostname) as s:
                s.connect((HOST, server.port))
                self.assertIn(s.cipher()[0], {
                    'TLS_AES_256_GCM_SHA384',
                    'TLS_CHACHA20_POLY1305_SHA256',
                    'TLS_AES_128_GCM_SHA256',
                })
                self.assertEqual(s.version(), 'TLSv1.3')

    @requires_tls_version('TLSv1_2')
    @requires_tls_version('TLSv1')