Method test_no_shared_ciphers

Lib/test/test_ssl.py:4149–4163

(self)

            self.assertEqual(cm.exception.errno, errno.ENOTCONN)

    def test_no_shared_ciphers(self):
        client_context, server_context, hostname = testing_context()
        # OpenSSL enables all TLS 1.3 ciphers, enforce TLS 1.2 for test
        client_context.maximum_version = ssl.TLSVersion.TLSv1_2
        # Force different suites on client and server
        client_context.set_ciphers("AES128")
        server_context.set_ciphers("AES256")
        with ThreadedEchoServer(context=server_context) as server:
            with client_context.wrap_socket(socket.socket(),
                                            server_hostname=hostname) as s:
                with self.assertRaises(OSError):
                    s.connect((HOST, server.port))
        self.assertIn("NO_SHARED_CIPHER", server.conn_errors[0])
        self.assertIsNone(s.cipher())
        self.assertIsNone(s.group())

    def test_version_basic(self):
        """