maker/service/test/service.js

import {fork} from 'child_process';
import tape from 'tape';
import _test from 'tape-promise';
import fetch from 'isomorphic-fetch';

const tapetest = _test(tape);

const randomPort = Math.floor(Math.random() * 10000) + 20000,
    server = fork('build/service.js', [], {env: {port: randomPort}}),
    connstring = `http://localhost:${randomPort}`;

tapetest('service', async function testService(assert) {
    try {
        await waitPro();
        const ret = await fetch(connstring + '/'),
            data = await ret.text();
        console.log('data', data);
    }
    catch(e) {
        console.log('error in', assert.name, e);
        assert.fail(`error in ${assert.name}`);
    }

    assert.end();
});

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


function waitPro(n = 1000) {
    return new Promise(function pro(resolve, reject) {
        setTimeout(resolve, n);
    });
}