在无界面的CentOS7上安装Selenium+Chrome，并使用facebook的php-webdriver测试

系统环境

CentOS Linux 7 (Core)

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Operating System: CentOS Linux 7 (Core)
Kernel: Linux 3.10.0-693.17.1.el7.x86_64
Architecture: x86-64

安装 chrome

使用下面的命令，在root用户下就可以安装最新的 Google Chrome:

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yum install https://dl.google.com/linux/direct/google-chrome-stable_current_x86_64.rpm

安装 selenium

在 seleniump官网 找到最新的版本，下载selenium-server-standalone-X.XX.X.jar文件

注意：最新的版本3.11，不是3.9（2018年3月）

selenium-server-standalone-3.11.0.jar

selenium服务初始化

将上述selenium放入一个文件夹中，输入如下命令初始化

java -jar selenium-server-standalone-3.11.0.jar

注意，需要 java8 环境，可以参考 CentOS7安装java运行环境jdk

安装 chromerriver

在 chromerriver官网下载最新的ChromeDriver压缩包，解压得到chromedriver.exe文件

chromedriver_linux64.zip 2018-03-20 15:22:39

将下载的文件解压，放在如下位置

/usr/bin/chromedriver

给予执行权限

chmod +x /usr/bin/chromedriver

安装 XVFB

输入如下命令

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# yum install Xvfb -y  
# yum install xorg-x11-fonts* -y

新建在/usr/bin/ 一个名叫 xvfb-chrom 的文件写入以下内容：

vi /usr/bin/xvfb-chrome

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#!/bin/bash  
  
_kill_procs() {  
  kill -TERM $chrome  
  wait $chrome  
  kill -TERM $xvfb  
}  
  
# Setup a trap to catch SIGTERM and relay it to child processes  
trap _kill_procs SIGTERM  
  
XVFB_WHD=${XVFB_WHD:-1280x720x16}  
  
# Start Xvfb  
Xvfb :99 -ac -screen 0 $XVFB_WHD -nolisten tcp &  
xvfb=$!  
  
export DISPLAY=:99  
  
chrome --no-sandbox --disable-gpu$@ &  
chrome=$!  
  
wait $chrome  
wait $xvfb

添加执行权限

chmod +x /usr/bin/xvfb-chrome

查看当前映射关系

ll /usr/bin/ | grep chrom 

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-rwxr-xr-x   1 root root   7874704 Mar 20 14:55 chromedriver
lrwxrwxrwx   1 root root        31 Mar 20 00:24 google-chrome -> /etc/alternatives/google-chrome
lrwxrwxrwx   1 root root        32 Mar 20 14:30 google-chrome-stable -> /opt/google/chrome/google-chrome

更改Chrome启动的软连接

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ln -s /etc/alternatives/google-chrome /usr/bin/chrome  
rm -rf /usr/bin/google-chrome 
ln -s /usr/bin/xvfb-chrome /usr/bin/google-chrome

查看修改后的映射关系

ll /usr/bin/ | grep chrom 

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-rwxr-xr-x   1 root root   7874704 Mar 20 14:55 chromedriver
lrwxrwxrwx   1 root root        31 Mar 20 00:24 chrome -> /etc/alternatives/google-chrome
lrwxrwxrwx   1 root root        22 Mar 20 00:11 google-chrome -> /usr/bin/xvfb-chromium
lrwxrwxrwx   1 root root        32 Mar 20 14:30 google-chrome-stable -> /opt/google/chrome/google-chrome
-rwxr-xr-x   1 root root       432 Mar 20 00:09 xvfb-chrome

使用facebook的php-webdriver测试

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<?php
// An example of using php-webdriver.
// Do not forget to run composer install before and also have Selenium server started and listening on port 4444.
namespace Facebook\WebDriver;
use Facebook\WebDriver\Remote\DesiredCapabilities;
use Facebook\WebDriver\Remote\RemoteWebDriver;
require_once('vendor/autoload.php');
// start Chrome with 5 second timeout
$host = 'http://localhost:4444/wd/hub'; // this is the default
$capabilities = DesiredCapabilities::chrome();
$driver = RemoteWebDriver::create($host, $capabilities, 5000);

// navigate to 'http://www.baidu.com/'
$driver->get('https://www.baidu.com/');

// wait until the page is loaded
// $driver->wait()->until(
//     WebDriverExpectedCondition::titleContains('百度')
// );



// print the title of the current page
echo "The title is '" . $driver->getTitle() . "'\n";
// print the URI of the current page
echo "The current URI is '" . $driver->getCurrentURL() . "'\n";

// print the pagesource of the current page
$html_selenium = $driver->getPageSource();
echo $html_selenium;

// close the browser
$driver->quit();

引用