selenium-webdriver/example/chrome_mobile_emulation.js

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//   http://www.apache.org/licenses/LICENSE-2.0
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/**
 * @fileoverview This is an example of emulating a mobile device using the
 * ChromeDriver.
 */

'use strict';

const {Builder, By, promise, until} = require('..');
const {Options} = require('../chrome');

promise.consume(function* () {
  let driver;
  try {
    driver = yield new Builder()
        .forBrowser('chrome')
        .setChromeOptions(
            new Options().setMobileEmulation({deviceName: 'Google Nexus 5'}))
        .build();
    yield driver.get('http://www.google.com/ncr');
    yield driver.findElement(By.name('q')).sendKeys('webdriver');
    yield driver.findElement(By.name('btnG')).click();
    yield driver.wait(until.titleIs('webdriver - Google Search'), 1000);
  } finally {
    yield driver && driver.quit();
  }
}).then(_ => console.log('SUCCESS'), err => console.error('ERROR: ' + err));