electron/docs/tutorial/use-selenium-and-webdriver.md

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# Use Selenium and WebDriver
From [chromedriver - WebDriver for Google Chrome][chrome-driver]:
> WebDriver is an open source tool for automated testing of web apps across many
> browsers. It provides capabilities for navigating to web pages, user input,
> JavaScript execution, and more. ChromeDriver is a standalone server which
> implements WebDriver's wire protocol for Chromium. It is being developed by
> members of the Chromium and WebDriver teams.
In atom-shell's [releases](https://github.com/atom/atom-shell/releases) page you
can find archives of `chromedriver`, there is no difference between atom-shell's
distribution of `chromedriver` and upstream ones, so in order to use
`chromedriver` together with atom-shell, you will need some special setup.
## Setting up with WebDriverJs
[WebDriverJs](https://code.google.com/p/selenium/wiki/WebDriverJs) provided
a Node package for testing with web driver, we will use it as an example.
### 1. Start chrome driver
First you need to download the `chromedriver` binary, and run it:
```bash
$ ./chromedriver
Starting ChromeDriver (v2.10.291558) on port 9515
Only local connections are allowed.
```
Remember the port number `9515`, which will be used later
### 2. Install WebDriverJS
```bash
$ npm install selenium-webdriver
```
### 3. Connect to chrome driver
The usage of `selenium-webdriver` with atom-shell is basically the same with
upstream, except that you have to manually specify how to connect chrome driver
and where to find atom-shell's binary:
```javascript
var webdriver = require('selenium-webdriver');
var driver = new webdriver.Builder().
// The "9515" is the port opened by chrome driver.
usingServer('http://localhost:9515').
withCapabilities({chromeOptions: {
// Here is the path to your atom-shell binary.
binary: '/Path-to-Your-App.app/Contents/MacOS/Atom'}}).
build();
driver.get('http://www.google.com');
driver.findElement(webdriver.By.name('q')).sendKeys('webdriver');
driver.findElement(webdriver.By.name('btnG')).click();
driver.wait(function() {
return driver.getTitle().then(function(title) {
return title === 'webdriver - Google Search';
});
}, 1000);
driver.quit();
```
[chrome-driver]: https://code.google.com/p/chromedriver/