Method test_echo

Lib/test/test_ssl.py:3106–3148

Basic test of an SSL client connecting to a server

(self)

    @support.requires_resource('walltime')
    def test_echo(self):
        """Basic test of an SSL client connecting to a server"""
        if support.verbose:
            sys.stdout.write("\n")

        client_context, server_context, hostname = testing_context()

        with self.subTest(client=ssl.PROTOCOL_TLS_CLIENT, server=ssl.PROTOCOL_TLS_SERVER):
            server_params_test(client_context=client_context,
                               server_context=server_context,
                               chatty=True, connectionchatty=True,
                               sni_name=hostname)

        client_context.check_hostname = False
        with self.subTest(client=ssl.PROTOCOL_TLS_SERVER, server=ssl.PROTOCOL_TLS_CLIENT):
            with self.assertRaises(ssl.SSLError) as e:
                server_params_test(client_context=server_context,
                                   server_context=client_context,
                                   chatty=True, connectionchatty=True,
                                   sni_name=hostname)
            self.assertIn(
                'Cannot create a client socket with a PROTOCOL_TLS_SERVER context',
                str(e.exception)
            )

        with self.subTest(client=ssl.PROTOCOL_TLS_SERVER, server=ssl.PROTOCOL_TLS_SERVER):
            with self.assertRaises(ssl.SSLError) as e:
                server_params_test(client_context=server_context,
                                   server_context=server_context,
                                   chatty=True, connectionchatty=True)
            self.assertIn(
                'Cannot create a client socket with a PROTOCOL_TLS_SERVER context',
                str(e.exception)
            )

        with self.subTest(client=ssl.PROTOCOL_TLS_CLIENT, server=ssl.PROTOCOL_TLS_CLIENT):
            with self.assertRaises(ssl.SSLError) as e:
                server_params_test(client_context=server_context,
                                   server_context=client_context,
                                   chatty=True, connectionchatty=True)
            self.assertIn(
                'Cannot create a client socket with a PROTOCOL_TLS_SERVER context',
                str(e.exception))

    @unittest.skipUnless(support.Py_GIL_DISABLED, "test is only useful if the GIL is disabled")
    def test_ssl_in_multiple_threads(self):