angular-docs-cn/modules/@angular/platform-browser/testing/e2e_util.ts

/**
 * @license
 * Copyright Google Inc. All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

import * as webdriver from 'selenium-webdriver';


declare var browser: any;
declare var expect: any;

export function verifyNoBrowserErrors() {
  // TODO(tbosch): Bug in ChromeDriver: Need to execute at least one command
  // so that the browser logs can be read out!
  browser.executeScript('1+1');
  browser.manage().logs().get('browser').then(function(browserLog: any) {
    var filteredLog = browserLog.filter(function(logEntry: any) {
      if (logEntry.level.value >= webdriver.logging.Level.INFO.value) {
        console.log('>> ' + logEntry.message);
      }
      return logEntry.level.value > webdriver.logging.Level.WARNING.value;
    });
    expect(filteredLog).toEqual([]);
  });
}