/**
* Get Html throught CasperJs
* @param string $url
* @param array $params - [
* 'proxy' => ['host' => '', 'port' => '', 'login' => '', 'password' => ''],
* 'waitForSelector' => ['#idOrOtherSel' => 1000]
* ]
* @return array
*/
public static function getHtmlByCasper($url, array $params = [])
{
$options = [];
if (!empty($params['proxy'])) {
$options['proxy'] = "{$params['proxy']['host']}:{$params['proxy']['port']}";
$options['proxy-auth'] = "{$params['proxy']['login']}:{$params['proxy']['password']}";
} elseif (!empty(Proxy::$proxy)) {
$proxy = current(Proxy::$proxy);
$options['proxy'] = "{$proxy['host']}:{$proxy['port']}";
$options['proxy-auth'] = "{$proxy['login']}:{$proxy['password']}";
}
$casper = new Casper(Yii::$app->params['casperJsPath']);
$casper->setUserAgent(self::WEB_BROWSER);
$casper->setOptions($options);
$casper->start($url);
if (!empty($params['waitForSelector'])) {
$casper->waitForSelector(key($params['waitForSelector']), current($params['waitForSelector']));
}
$casper->run();
return ['currentUrl' => $casper->getCurrentUrl(), 'html' => $casper->getHTML()];
}
public function testEvaluate()
{
$evaluateHtml = <<<TEXT
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>test evaluate</title>
</head>
<body>
<a id="theLink" href='http://www.google.com' onclick='return confirm("are you sure")'>link to google</a>
</body>
</html>
TEXT;
$filename = '/tmp/test-evaluate.html';
file_put_contents($filename, $evaluateHtml);
$casper = new Casper();
$casper->start($filename)->click('#theLink')->run();
$this->assertContains('google', $casper->getCurrentUrl());
$casper = new Casper();
$casper->start($filename)->evaluate('document.getElementById("theLink").href="http://www.yahoo.com";')->click('#theLink')->run();
$this->assertContains('fr.yahoo.com', $casper->getCurrentUrl());
@unlink($filename);
}
