2016-03-03 20:42:14 +00:00
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# 使用 Selenium 和 WebDriver
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2015-12-05 06:49:01 +00:00
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引自[ChromeDriver - WebDriver for Chrome][chrome-driver]:
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2016-03-03 20:42:14 +00:00
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> WebDriver 是一款开源的支持多浏览器的自动化测试工具。它提供了操作网页、用户输入、JavaScript 执行等能力。ChromeDriver 是一个实现了 WebDriver 与 Chromium 联接协议的独立服务。它也是由开发了 Chromium 和 WebDriver 的团队开发的。
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2015-12-05 06:49:01 +00:00
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2016-03-03 20:42:14 +00:00
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为了能够使 `chromedriver` 和 Electron 一起正常工作,我们需要告诉它 Electron 在哪,并且让它相信 Electron 就是 Chrome 浏览器。
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2015-12-05 06:49:01 +00:00
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2016-03-03 20:42:14 +00:00
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## 通过 WebDriverJs 配置
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2015-12-05 06:49:01 +00:00
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2016-03-03 20:42:14 +00:00
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[WebDriverJs](https://code.google.com/p/selenium/wiki/WebDriverJs) 是一个可以配合 WebDriver 做测试的 node 模块,我们会用它来做个演示。
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2015-12-05 06:49:01 +00:00
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2016-03-03 20:42:14 +00:00
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### 1. 启动 ChromeDriver
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2015-12-05 06:49:01 +00:00
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2016-03-03 20:42:14 +00:00
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首先,你要下载 `chromedriver`,然后运行以下命令:
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2015-12-05 06:49:01 +00:00
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```bash
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$ ./chromedriver
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Starting ChromeDriver (v2.10.291558) on port 9515
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Only local connections are allowed.
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```
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2016-03-03 20:42:14 +00:00
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记住 `9515` 这个端口号,我们后面会用到
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2015-12-05 06:49:01 +00:00
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2016-03-03 20:42:14 +00:00
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### 2. 安装 WebDriverJS
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2015-12-05 06:49:01 +00:00
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```bash
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$ npm install selenium-webdriver
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```
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2016-03-03 20:42:14 +00:00
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### 3. 联接到 ChromeDriver
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2015-12-05 06:49:01 +00:00
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2016-03-03 20:42:14 +00:00
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在 Electron 下使用 `selenium-webdriver` 和其平时的用法并没有大的差异,只是你需要手动设置连接 ChromeDriver,以及 Electron 的路径:
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2015-12-05 06:49:01 +00:00
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```javascript
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2016-10-03 03:47:16 +00:00
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const webdriver = require('selenium-webdriver')
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2015-12-05 06:49:01 +00:00
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var driver = new webdriver.Builder()
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// "9515" 是ChromeDriver使用的端口
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.usingServer('http://localhost:9515')
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.withCapabilities({
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chromeOptions: {
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// 这里设置Electron的路径
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binary: '/Path-to-Your-App.app/Contents/MacOS/Atom'
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2015-12-05 06:49:01 +00:00
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}
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})
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.forBrowser('electron')
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.build()
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driver.get('http://www.google.com')
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driver.findElement(webdriver.By.name('q')).sendKeys('webdriver')
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driver.findElement(webdriver.By.name('btnG')).click()
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driver.wait(function () {
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return driver.getTitle().then(function (title) {
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return title === 'webdriver - Google Search'
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})
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}, 1000)
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driver.quit()
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2015-12-05 06:49:01 +00:00
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```
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2016-03-03 20:42:14 +00:00
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## 通过 WebdriverIO 配置
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2015-12-05 06:49:01 +00:00
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2016-03-03 20:42:14 +00:00
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[WebdriverIO](http://webdriver.io/) 也是一个配合 WebDriver 用来测试的 node 模块
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2015-12-05 06:49:01 +00:00
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2016-03-03 20:42:14 +00:00
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### 1. 启动 ChromeDriver
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2015-12-05 06:49:01 +00:00
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2016-03-03 20:42:14 +00:00
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首先,下载 `chromedriver`,然后运行以下命令:
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2015-12-05 06:49:01 +00:00
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```bash
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$ chromedriver --url-base=wd/hub --port=9515
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Starting ChromeDriver (v2.10.291558) on port 9515
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Only local connections are allowed.
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```
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2016-03-03 20:42:14 +00:00
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记住 `9515` 端口,后面会用到
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2015-12-05 06:49:01 +00:00
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2016-03-03 20:42:14 +00:00
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### 2. 安装 WebdriverIO
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2015-12-05 06:49:01 +00:00
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```bash
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$ npm install webdriverio
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```
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2016-03-03 20:42:14 +00:00
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### 3. 连接到 ChromeDriver
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2015-12-05 06:49:01 +00:00
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```javascript
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2016-10-03 03:47:16 +00:00
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const webdriverio = require('webdriverio')
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2015-12-05 06:49:01 +00:00
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var options = {
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2016-10-03 03:47:16 +00:00
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host: 'localhost', // 使用localhost作为ChromeDriver服务器
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port: 9515, // "9515"是ChromeDriver使用的端口
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desiredCapabilities: {
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browserName: 'chrome',
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chromeOptions: {
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binary: '/Path-to-Your-App/electron', // Electron的路径
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args: [/* cli arguments */] // 可选参数,类似:'app=' + /path/to/your/app/
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2015-12-05 06:49:01 +00:00
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}
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2016-10-03 03:47:16 +00:00
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}
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}
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2015-12-05 06:49:01 +00:00
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2016-10-03 03:47:16 +00:00
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var client = webdriverio.remote(options)
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2015-12-05 06:49:01 +00:00
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client
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.init()
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.url('http://google.com')
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.setValue('#q', 'webdriverio')
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.click('#btnG')
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.getTitle().then(function (title) {
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console.log('Title was: ' + title)
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})
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2016-10-03 03:47:16 +00:00
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.end()
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2015-12-05 06:49:01 +00:00
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```
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## 工作流程
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2016-03-31 23:49:59 +00:00
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无需重新编译 Electron,只要把 app 的源码放到 [Electron的资源目录](https://github.com/electron/electron/blob/master/docs/tutorial/application-distribution.md) 里就可直接开始测试了。
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2015-12-05 06:49:01 +00:00
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2016-03-03 20:42:14 +00:00
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当然,你也可以在运行 Electron 时传入参数指定你 app 的所在文件夹。这步可以免去你拷贝-粘贴你的 app 到 Electron 的资源目录。
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2015-12-05 06:49:01 +00:00
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[chrome-driver]: https://sites.google.com/a/chromium.org/chromedriver/
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