connect(url: string, callback: (socketIO: SocketIO) => void, option?: Option): Response

import socketio from 'pts/socketio';
import { check, sleep } from 'pts';
import util  from 'pts/util';

export default function () {
    const res = socketio.connect('http://localhost:8080', function (socket) {
        socket.on('open', () => console.log('connected'));
        socket.on('message', (data) => console.log('message received: ', data));
        socket.on('binaryMessage', (data) => console.log('binaryMessage received: ', data));
        socket.on('close', () => console.log('disconnected'));
        socket.on('error', (e) => console.log('error happened', e.error()));
        socket.setTimeout(function () {
            console.log('3 seconds passed, closing the socket');
            socket.close();
        }, 3000);
        socket.setInterval(function () {
            socket.emit('message', 'interval message');
            socket.emit('binaryMessage', util.base64Decoding('aGVsbG8=', 'std', 'b'));
            socket.emit('ackMessage', 'ack message', function (msg) {
                console.log('received ackMessage: ', msg)
            })
        }, 500);
    }, {
       headers: {
         token: 'VR23EQ2R', 
       },
       protocol: 'webscoket'
    });
    check('status is 200', () => res.status === 200);
};