maker/socket/test/server.js

import { fork } from 'child_process';
import tape from 'tape';
import _test from 'tape-promise';
import fetch from 'isomorphic-fetch';
import socketclient from 'socket.io-client';

const tapetest = _test(tape);

const serverhost = 'localhost',
    serverport = 2424,
    server = fork('build/server.js');

tapetest('test server', async function testServer(assert) {
    let client;

    try {
        await waitPro();
        const ret = await fetch(`http://${serverhost}:${serverport}`),
            data = await ret.text();
        assert.equal(data, 'working', 'received message from server');
    }
    catch(e) {
        console.log('error somewhere', e);
        assert.fail('error somewhere');
    }

    assert.end();
});

tapetest.onFinish(async function cleanup() {
    server.kill();
});



function waitPro(n = 1000) {
    return new Promise(function pro(resolve, reject) {
        setTimeout(resolve, n);
    });
}
function responsePro(socket, evt, wait = 3000) {
    return new Promise(function pro(resolve, reject) {
        let to = setTimeout(reject.bind(null, 'socket event TIMEOUT ' + evt), wait);
        socket.once(evt, function (a) {
            clearTimeout(to);
            resolve(a);
        });
    });
}