PHP 5.3+ Web浏览器模拟测试：Mink

<?php use Behat\Mink\Mink,    Behat\Mink\Session,    Behat\Mink\Driver\GoutteDriver,    Behat\Mink\Driver\Goutte\Client as GoutteClient;$startUrl = 'http://example.com'; // init Mink and register sessions$mink = new Mink(array(    'goutte1' => new Session(new GoutteDriver(new GoutteClient())),    'goutte2' => new Session(new GoutteDriver(new GoutteClient())),    'custom'  => new Session(new MyCustomDriver($startUrl)))); // set the default session name$mink->setDefaultSessionName('goutte2'); // visit a page$mink->getSession()->visit($startUrl); // call to getSession() without argument will always return a default session if has one (goutte2 here)$mink->getSession()->getPage()->findLink('Downloads')->click();echo $mink->getSession()->getPage()->getContent(); // call to getSession() with argument will return session by its name$mink->getSession('custom')->getPage()->findLink('Downloads')->click();echo $mink->getSession('custom')->getPage()->getContent(); // this all is done to make possible mixing sessions$mink->getSession('goutte1')->getPage()->findLink('Chat')->click();$mink->getSession('goutte2')->getPage()->findLink('Chat')->click();