test_telnetlib.py 文件源码

def _test_command(self, data):
        """ helper for testing IAC + cmd """
        self.setUp()
        self.dataq.put(data)
        telnet = telnetlib.Telnet(HOST, self.port)
        self.dataq.join()
        nego = nego_collector()
        telnet.set_option_negotiation_callback(nego.do_nego)
        txt = telnet.read_all()
        cmd = nego.seen
        self.assertTrue(len(cmd) > 0) # we expect at least one command
        self.assertIn(cmd[0], self.cmds)
        self.assertEqual(cmd[1], tl.NOOPT)
        self.assertEqual(len(''.join(data[:-1])), len(txt + cmd))
        nego.sb_getter = None # break the nego => telnet cycle
        self.tearDown()