metamask-extension/test/e2e/beta/helpers.js

const { delay } = require('../func')
const { until } = require('selenium-webdriver')

module.exports = {
  checkBrowserForConsoleErrors,
  findElement,
  findElements,
  openNewPage,
}

async function checkBrowserForConsoleErrors (driver) {
  const ignoredLogTypes = ['WARNING']
  const ignoredErrorMessages = [
    // React throws error warnings on "dataset", but still sets the data-* properties correctly
    'Warning: Unknown prop `dataset` on ',
    // Third-party Favicon 404s show up as errors
    'favicon.ico - Failed to load resource: the server responded with a status of 404 (Not Found)',
    // React Development build - known issue blocked by test build sys
    'Warning: It looks like you\'re using a minified copy of the development build of React.',
    // Redux Development build - known issue blocked by test build sys
    'This means that you are running a slower development build of Redux.',
  ]
  const browserLogs = await driver.manage().logs().get('browser')
  const errorEntries = browserLogs.filter(entry => !ignoredLogTypes.includes(entry.level.toString()))
  const errorObjects = errorEntries.map(entry => entry.toJSON())
  return errorObjects.filter(entry => !ignoredErrorMessages.some(message => entry.message.includes(message)))
}

async function findElement (driver, by, timeout = 10000) {
  return driver.wait(until.elementLocated(by), timeout)
}

async function findElements (driver, by, timeout = 10000) {
  return driver.wait(until.elementsLocated(by), timeout)
}

async function openNewPage (driver, url) {
  await driver.executeScript('window.open()')
  await delay(1000)

  const handles = await driver.getAllWindowHandles()
  const secondHandle = handles[1]
  await driver.switchTo().window(secondHandle)

  await driver.get(url)
  await delay(1000)
}