Gun Heroku one-click deploy testing

1243.js

/**
 * NOTE: Does not work with npm installed heroku-cli
 * 
 * Heroku CLI REQUIRED! Uninstall with: npm uninstall heroku -g
 * Install Heroku with: curl https://cli-assets.heroku.com/install.sh | sh
 * Login Heroku with: heroku login
 * 
 * after login you can run test
 * like: $ mocha test/bug/1243.js 
 * 
 */
const child_process = require('child_process');
const expect = require('../expect');
const http = require("https");

const consoleLog = false;

const NPM_CONFIG_PRODUCTION = true;

function request(hostname, done) {
  http.get('https://' + hostname + '/', {
    timeout: 1000 * 60 * 5
  }, (res) => {
    done(res.statusCode);
  });
}

function spawn(cmd, done) {
  const spawn = child_process.spawn;
  const args = cmd.split(" ");
  cmd = args.shift();

  const s = spawn(cmd, args);
  let stderrOUT = "";

  s.stdout.on('data', (data) => {
    saveData(data.toString());
  });

  s.stderr.on('data', (data) => {
    saveData(data.toString());
  });

  function saveData(out) {
    stderrOUT += out.toString();
    if (consoleLog) console.log(out.toString());
  }

  s.on('exit', (code) => {
    done(stderrOUT);
  });
}

function makeid(length) {
  let result = '';
  const characters = 'abcdefghijklmnopqrstuvwxyz';
  const charactersLength = characters.length;
  for (let i = 0; i < length; i++) {
    result += characters.charAt(Math.floor(Math.random() *
      charactersLength));
  }
  return result;
}

describe('Heroku deploy', function() {
  const heroku_name = 'test-gun-' + makeid(5);

  it('create herokuapp ' + heroku_name, function(done) {
    this.timeout(1000 * 15); //15 sec
    const c = 'heroku create ' + heroku_name;
    spawn(c, (stdout) => {
      if (stdout.indexOf("done") > -1) { done(); }
    });
  });

  it('add git remote', function(done) {
    this.timeout(1000 * 15); //15 sec
    const c = 'heroku git:remote -a ' + heroku_name;
    spawn(c, (stdout) => {
      if (stdout.indexOf("set git") > -1) { done(); }
    });
  });

  if (NPM_CONFIG_PRODUCTION)
    it('set heroku config to NPM_CONFIG_PRODUCTION=' + NPM_CONFIG_PRODUCTION, function(done) {
      this.timeout(1000 * 15); //15 sec
      const c = 'heroku config:set NPM_CONFIG_PRODUCTION=' + NPM_CONFIG_PRODUCTION + ' -a ' + heroku_name;
      spawn(c, (stdout) => {
        if (stdout.indexOf("NPM_CONFIG_PRODUCTION:") > -1) { done(); }
      });
    });

  it('git push heroku', function(done) {
    this.timeout(1000 * 60 * 2); // 2 min
    const c = 'git push heroku master --force';
    spawn(c, (stdout) => {
      if (stdout.indexOf("deployed to Heroku") > -1) { done(); }
    });
  });

  it('fetch heroku app https', function(done) {
    this.timeout(1000 * 60 * 5); // 5 min
    const c = heroku_name + ".herokuapp.com";
    setTimeout(() => {
      request(c, (statusCode) => {
        expect(statusCode).to.be(200);
        done();
      });
    }, 1000 * 5);
  });

  it('destroy herokuapp ' + heroku_name, function(done) {
    this.timeout(1000 * 15); //15 sec
    const c = 'heroku apps:destroy ' + heroku_name + ' --confirm=' + heroku_name;
    spawn(c, (stdout) => {
      if (stdout.indexOf("done") > -1) { done(); }
    });
  });

})