remix-project/test-browser/commands/setupMetamask.js

const EventEmitter = require('events')

class MetaMask extends EventEmitter {
  command () {
    this.api.perform((done) => {
      setupMetaMask(this.api, () => {
        done()
        this.emit('complete')
      })
    })
    return this
  }
}

function setupMetaMask (browser, done) {
  browser
  .execute(() => {
    var event = new KeyboardEvent('keydown', {
      altKey: true,
      shiftKey: true,
      code: 'keyM',
    })

    console.log('event: ', event)

    document.dispatchEvent(event)
  }, [], () => {
    browser.pause(100000)
    .waitForElementPresent('.first-time-flow__button')
    .click('.first-time-flow__button')
    .waitForElementPresent('.select-action__select-button:nth-of-type(1) > .first-time-flow__button')
    .click('.select-action__select-button:nth-of-type(1) > .first-time-flow__button')
    .waitForElementPresent('.page-container__footer-button:nth-of-type(2)')
    .click('.page-container__footer-button:nth-of-type(2)')
    .waitForElementPresent('.first-time-flow__textarea')
    .setValue('.first-time-flow__textarea', 'explain uniform adapt basic blue onion rebel pull rice erase volcano couple')
    .setValue('*[autocomplete="new-password"]', 'remix_is_cool')
    .setValue('*[autocomplete="confirm-password"]', 'remix_is_cool')
    .click('.first-time-flow__checkbox')
    .click('.first-time-flow__button')
    .pause(5000)
    .click('.first-time-flow__button')
    .perform(() => {
      done()
    })
  })
}

module.exports = MetaMask