Method test_ssl_handshake_timeout

Lib/test/test_asyncio/test_ssl.py:458–499

(self)

                self.loop.run_until_complete(client(srv.addr))

    def test_ssl_handshake_timeout(self):
        # bpo-29970: Check that a connection is aborted if handshake is not
        # completed in timeout period, instead of remaining open indefinitely
        client_sslctx = test_utils.simple_client_sslcontext()

        # silence error logger
        messages = []
        self.loop.set_exception_handler(lambda loop, ctx: messages.append(ctx))

        server_side_aborted = False

        def server(sock):
            nonlocal server_side_aborted
            try:
                sock.recv_all(1024 * 1024)
            except ConnectionAbortedError:
                server_side_aborted = True
            finally:
                sock.close()

        async def client(addr):
            await asyncio.wait_for(
                self.loop.create_connection(
                    asyncio.Protocol,
                    *addr,
                    ssl=client_sslctx,
                    server_hostname='',
                    ssl_handshake_timeout=10.0),
                0.5)

        with self.tcp_server(server,
                             max_clients=1,
                             backlog=1) as srv:

            with self.assertRaises(asyncio.TimeoutError):
                self.loop.run_until_complete(client(srv.addr))

        self.assertTrue(server_side_aborted)

        # Python issue #23197: cancelling a handshake must not raise an
        # exception or log an error, even if the handshake failed
        self.assertEqual(messages, [])

    def test_ssl_handshake_connection_lost(self):
        # #246: make sure that no connection_lost() is called before