giltayar

const {By} = require('selenium-webdriver')
  it('should work', async function () {
    await driver.get('http://localhost:8080')
    //...
    
    await retry(async () => {
      const displayElement = await driver.findElement(By.css('.display'))
      const displayText = await displayElement.getText()

      expect(displayText).to.equal('0')

giltayar

// ...
const retry = require('promise-retry')
// ...

  it('should work', async function () {
    await driver.get('http://localhost:8080')

    await retry(async () => {
      const title = await driver.getTitle()

giltayar

const webdriver = require('selenium-webdriver')
const chromeDriver = require('chromedriver')
const path = require('path')

const chromeDriverPathAddition = `:${path.dirname(chromeDriver.path)}`

exports.prepareDriver = async () => {
  process.on('beforeExit', () => this.browser && this.browser.quit())
  process.env.PATH += chromeDriverPathAddition

giltayar

const {prepareDriver, cleanupDriver} = require('../utils/browser-automation')

//...
describe('calculator app', function () {
  let driver
  ...
  before(async () => {
    driver = await prepareDriver()
  })
  after(() => cleanupDriver(driver))

giltayar

  let server
  
  before((done) => {
    const app = express()
    app.use('/', express.static(path.resolve(__dirname, '../../dist')))
    server = app.listen(8080, done)
  })
  after(() => {
    server.close()
  })

giltayar

module.exports.initialState = { display: '0', initial: true }

module.exports.nextState = (calculatorState, character) => {
  if (isDigit(character)) {
    return addDigit(calculatorState, character)
  } else if (isOperator(character)) {
    return addOperator(calculatorState, character)
  } else if (isEqualSign(character)) {
    return compute(calculatorState)
  } else {

giltayar

const {describe, it} = require('mocha')
const {expect} = require('chai')
const calculator = require('../../lib/calculator')

describe('calculator', function () {
  const stream = (characters, calculatorState = calculator.initialState) =>
    !characters
      ? calculatorState
      : stream(characters.slice(1),
               calculator.nextState(calculatorState, characters[0]))

giltayar

exports.writeSumToFile = (a, b, fileSumWriter) => {
  const sum = a + b

  fileSumWriter(sum)
}

giltayar

console.log(Array.from('Robin H😀😀d').map(ch => ch == '😀' ? '🙃' : ch).join(''));

giltayar

console.log(Array.from('Robin H😀😀d').map(ch => ch == '😀' ? '🙃' : ch));