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GoutteDriver.php
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GoutteDriver.php
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<?php
namespace Behat\Mink\Driver;
use Goutte\Client as GoutteClient,
Symfony\Component\BrowserKit\Client,
Symfony\Component\BrowserKit\Cookie,
Symfony\Component\DomCrawler\Crawler,
Symfony\Component\DomCrawler\Field\ChoiceFormField;
use Behat\Mink\Session,
Behat\Mink\Element\NodeElement,
Behat\Mink\Exception\DriverException,
Behat\Mink\Exception\UnsupportedDriverActionException,
Behat\Mink\Exception\ElementNotFoundException;
/*
* This file is part of the Behat\Mink.
* (c) Konstantin Kudryashov <ever.zet@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Goutte (Symfony2) driver.
*
* @author Konstantin Kudryashov <ever.zet@gmail.com>
*/
class GoutteDriver implements DriverInterface
{
private $session;
private $client;
private $forms = array();
private $started = false;
/**
* Initializes Goutte driver.
*
* @param Symfony\Component\BrowserKit\Client $client BrowserKit client instance
*/
public function __construct(Client $client = null)
{
if (null === $client) {
$client = new GoutteClient();
}
$this->client = $client;
$this->client->followRedirects(true);
}
/**
* Returns BrowserKit HTTP client instance.
*
* @return Symfony\Component\BrowserKit\Client
*/
public function getClient()
{
return $this->client;
}
/**
* @see Behat\Mink\Driver\DriverInterface::setSession()
*/
public function setSession(Session $session)
{
$this->session = $session;
}
/**
* @see Behat\Mink\Driver\DriverInterface::start()
*/
public function start()
{
$this->started = true;
}
/**
* @see Behat\Mink\Driver\DriverInterface::isStarted()
*/
public function isStarted()
{
return $this->started;
}
/**
* @see Behat\Mink\Driver\DriverInterface::stop()
*/
public function stop()
{
$this->client->restart();
$this->started = false;
}
/**
* @see Behat\Mink\Driver\DriverInterface::reset()
*/
public function reset()
{
$this->client->restart();
}
/**
* @see Behat\Mink\Driver\DriverInterface::visit()
*/
public function visit($url)
{
$this->client->request('GET', $url);
$this->forms = array();
}
/**
* @see Behat\Mink\Driver\DriverInterface::getCurrentUrl()
*/
public function getCurrentUrl()
{
return $this->client->getRequest()->getUri();
}
/**
* @see Behat\Mink\Driver\DriverInterface::reload()
*/
public function reload()
{
$this->client->reload();
}
/**
* @see Behat\Mink\Driver\DriverInterface::forward()
*/
public function forward()
{
$this->client->forward();
}
/**
* @see Behat\Mink\Driver\DriverInterface::back()
*/
public function back()
{
$this->client->back();
}
/**
* @see Behat\Mink\Driver\DriverInterface::setBasicAuth()
*/
public function setBasicAuth($user, $password)
{
$this->client->setAuth($user, $password);
}
/**
* @see Behat\Mink\Driver\DriverInterface::setRequestHeader()
*/
public function setRequestHeader($name, $value)
{
$this->client->setHeader($name, $value);
}
/**
* @see Behat\Mink\Driver\DriverInterface::getResponseHeaders()
*/
public function getResponseHeaders()
{
return $this->client->getResponse()->getHeaders();
}
/**
* @see Behat\Mink\Driver\DriverInterface::setCookie()
*/
public function setCookie($name, $value = null)
{
$jar = $this->client->getCookieJar();
if (null === $value) {
if (null !== $jar->get($name)) {
$jar->expire($name);
}
return;
}
$jar->set(new Cookie($name, $value));
}
/**
* @see Behat\Mink\Driver\DriverInterface::getCookie()
*/
public function getCookie($name)
{
$jar = $this->client->getCookieJar();
if (null !== $cookie = $jar->get($name)) {
return $cookie->getValue();
}
}
/**
* @see Behat\Mink\Driver\DriverInterface::getStatusCode()
*/
public function getStatusCode()
{
return $this->client->getResponse()->getStatus();
}
/**
* @see Behat\Mink\Driver\DriverInterface::getContent()
*/
public function getContent()
{
return $this->client->getResponse()->getContent();
}
/**
* @see Behat\Mink\Driver\DriverInterface::find()
*/
public function find($xpath)
{
$nodes = $this->getCrawler()->filterXPath($xpath);
$elements = array();
foreach ($nodes as $i => $node) {
$elements[] = new NodeElement(sprintf('(%s)[%d]', $xpath, $i + 1), $this->session);
}
return $elements;
}
/**
* @see Behat\Mink\Driver\DriverInterface::getTagName()
*/
public function getTagName($xpath)
{
return $this->getCrawlerNode($this->getCrawler()->filterXPath($xpath)->eq(0))->nodeName;
}
/**
* @see Behat\Mink\Driver\DriverInterface::getText()
*/
public function getText($xpath)
{
$text = $this->getCrawler()->filterXPath($xpath)->eq(0)->text();
$text = str_replace("\n", ' ', $text);
$text = preg_replace('/ {2,}/', ' ', $text);
return trim($text);
}
/**
* @see Behat\Mink\Driver\DriverInterface::getHtml()
*/
public function getHtml($xpath)
{
$node = $this->getCrawlerNode($this->getCrawler()->filterXPath($xpath)->eq(0));
$text = $node->ownerDocument->saveXML($node);
// cut the tag itself (making innerHTML out of outerHTML)
$text = preg_replace('/^\<[^\>]+\>|\<[^\>]+\>$/', '', $text);
return $text;
}
/**
* @see Behat\Mink\Driver\DriverInterface::getAttribute()
*/
public function getAttribute($xpath, $attr)
{
$value = $this->getCrawler()->filterXPath($xpath)->eq(0)->attr($attr);
return '' !== $value ? $value : null;
}
/**
* @see Behat\Mink\Driver\DriverInterface::getValue()
*/
public function getValue($xpath)
{
$field = $this->getField($xpath);
$value = $field->getValue();
if ($field instanceof ChoiceFormField && 'checkbox' === $field->getType()) {
$value = '1' == $value;
}
return $value;
}
/**
* @see Behat\Mink\Driver\DriverInterface::setValue()
*/
public function setValue($xpath, $value)
{
$this->getField($xpath)->setValue($value);
}
/**
* @see Behat\Mink\Driver\DriverInterface::check()
*/
public function check($xpath)
{
$this->getField($xpath)->tick();
}
/**
* @see Behat\Mink\Driver\DriverInterface::uncheck()
*/
public function uncheck($xpath)
{
$this->getField($xpath)->untick();
}
/**
* @see Behat\Mink\Driver\DriverInterface::selectOption()
*/
public function selectOption($xpath, $value)
{
$this->getField($xpath)->select($value);
}
/**
* @see Behat\Mink\Driver\DriverInterface::click()
*/
public function click($xpath)
{
if (!count($nodes = $this->getCrawler()->filterXPath($xpath))) {
throw new ElementNotFoundException(
$this->session, 'link or button', 'xpath', $xpath
);
}
$node = $nodes->eq(0);
$type = $this->getCrawlerNode($node)->nodeName;
if ('a' === $type) {
$this->client->click($node->link());
} elseif('input' === $type || 'button' === $type) {
$buttonForm = $node->form();
foreach ($this->forms as $form) {
if ($buttonForm->getFormNode()->getLineNo() === $form->getFormNode()->getLineNo()) {
$buttonForm = $form;
break;
}
}
$this->client->submit($buttonForm);
} else {
throw new DriverException(sprintf(
'Goutte driver supports clicking on inputs and links only. But "%s" provided', $type
));
}
$this->forms = array();
}
/**
* @see Behat\Mink\Driver\DriverInterface::isChecked()
*/
public function isChecked($xpath)
{
return true === $this->getValue($xpath);
}
/**
* @see Behat\Mink\Driver\DriverInterface::attachFile()
*/
public function attachFile($xpath, $path)
{
$this->getField($xpath)->upload($path);
}
/**
* @see Behat\Mink\Driver\DriverInterface::doubleClick()
*
* @throws Behat\Mink\Exception\UnsupportedDriverActionException action is not supported by this driver
*/
public function doubleClick($xpath)
{
throw new UnsupportedDriverActionException('Double-clicking is not supported by %s', $this);
}
/**
* @see Behat\Mink\Driver\DriverInterface::rightClick()
*
* @throws Behat\Mink\Exception\UnsupportedDriverActionException action is not supported by this driver
*/
public function rightClick($xpath)
{
throw new UnsupportedDriverActionException('Right-clicking is not supported by %s', $this);
}
/**
* @see Behat\Mink\Driver\DriverInterface::mouseOver()
*
* @throws Behat\Mink\Exception\UnsupportedDriverActionException action is not supported by this driver
*/
public function mouseOver($xpath)
{
throw new UnsupportedDriverActionException('Mouse moving is not supported by %s', $this);
}
/**
* @see Behat\Mink\Driver\DriverInterface::focus()
*
* @throws Behat\Mink\Exception\UnsupportedDriverActionException action is not supported by this driver
*/
public function focus($xpath)
{
throw new UnsupportedDriverActionException('Focus actions are not supported by %s', $this);
}
/**
* @see Behat\Mink\Driver\DriverInterface::blur()
*
* @throws Behat\Mink\Exception\UnsupportedDriverActionException action is not supported by this driver
*/
public function blur($xpath)
{
throw new UnsupportedDriverActionException('Focus actions are not supported by %s', $this);
}
/**
* @see Behat\Mink\Driver\DriverInterface::keyPress()
*
* @throws Behat\Mink\Exception\UnsupportedDriverActionException action is not supported by this driver
*/
public function keyPress($xpath, $char, $modifier = null)
{
throw new UnsupportedDriverActionException('Keyboard actions are not supported by %s', $this);
}
/**
* @see Behat\Mink\Driver\DriverInterface::keyPress()
*
* @throws Behat\Mink\Exception\UnsupportedDriverActionException action is not supported by this driver
*/
public function keyDown($xpath, $char, $modifier = null)
{
throw new UnsupportedDriverActionException('Keyboard actions are not supported by %s', $this);
}
/**
* @see Behat\Mink\Driver\DriverInterface::keyPress()
*
* @throws Behat\Mink\Exception\UnsupportedDriverActionException action is not supported by this driver
*/
public function keyUp($xpath, $char, $modifier = null)
{
throw new UnsupportedDriverActionException('Keyboard actions are not supported by %s', $this);
}
/**
* @see Behat\Mink\Driver\DriverInterface::executeScript()
*
* @throws Behat\Mink\Exception\UnsupportedDriverActionException action is not supported by this driver
*/
public function executeScript($script)
{
throw new UnsupportedDriverActionException('JS scripts execution is not supported by %s', $this);
}
/**
* @see Behat\Mink\Driver\DriverInterface::evaluateScript()
*
* @throws Behat\Mink\Exception\UnsupportedDriverActionException action is not supported by this driver
*/
public function evaluateScript($script)
{
throw new UnsupportedDriverActionException('JS scripts execution is not supported by %s', $this);
}
/**
* @see Behat\Mink\Driver\DriverInterface::wait()
*
* @throws Behat\Mink\Exception\UnsupportedDriverActionException action is not supported by this driver
*/
public function wait($time, $condition)
{
throw new UnsupportedDriverActionException('JS scripts execution is not supported by %s', $this);
}
/**
* @see Behat\Mink\Driver\DriverInterface::isVisible()
*
* @throws Behat\Mink\Exception\UnsupportedDriverActionException action is not supported by this driver
*/
public function isVisible($xpath)
{
throw new UnsupportedDriverActionException('Element visibility check is not supported by %s', $this);
}
/**
* @see Behat\Mink\Driver\DriverInterface::dragTo()
*
* @throws Behat\Mink\Exception\UnsupportedDriverActionException action is not supported by this driver
*/
public function dragTo($sourceXpath, $destinationXpath)
{
throw new UnsupportedDriverActionException('Element dragging is not supported by %s', $this);
}
/**
* Returns DOMNode from crawler instance.
*
* @param Symfony\Component\DomCrawler\Crawler $crawler
* @param integer $num number of node from crawler
*
* @return DOMNode
*/
private function getCrawlerNode(Crawler $crawler, $num = 0)
{
foreach ($crawler as $i => $node) {
if ($num == $i) {
return $node;
}
}
return null;
}
/**
* Returns form field from XPath query.
*
* @param string $xpath
*
* @return Symfony\Component\DomCrawler\Field\FormField
*/
private function getField($xpath)
{
if (!count($crawler = $this->getCrawler()->filterXPath($xpath))) {
throw new ElementNotFoundException(
$this->session, 'form field', 'xpath', $xpath
);
}
$fieldNode = $this->getCrawlerNode($crawler);
$formNode = $fieldNode;
do {
// use the ancestor form element
if (null === $formNode = $formNode->parentNode) {
throw new ElementNotFoundException(
$this->session, 'the form field with xpath "'.$xpath.'" was found, but no form element surrounding that field could be found'
);
}
} while ('form' != $formNode->nodeName);
// check if form already exists
foreach ($this->forms as $form) {
if ($formNode->getLineNo() === $form->getFormNode()->getLineNo()) {
return $form[$fieldNode->getAttribute('name')];
}
}
// find form button
$buttonNode = $this->findFormButton($formNode);
if (null === $buttonNode) {
throw new ElementNotFoundException(
$this->session, 'form submit button for field with xpath "'.$xpath.'"'
);
}
$base = $this->client->getCrawler()->filter('base')->extract(array('href'));
if (count($base)) {
$base = current($base);
} else {
$base = NULL;
}
// init form
$button = new Crawler(
$buttonNode,
$this->client->getRequest()->getUri(),
$base
);
$this->forms[] = $form = $button->form();
return $form[$fieldNode->getAttribute('name')];
}
/**
* Finds form submit button inside form node.
*
* @param DOMNode $form
*
* @return DOMNode button node
*/
private function findFormButton(\DOMNode $form)
{
$document = new \DOMDocument('1.0', 'UTF-8');
$node = $document->importNode($form, true);
$root = $document->appendChild($document->createElement('_root'));
$root->appendChild($node);
$xpath = new \DOMXPath($document);
foreach ($xpath->query('descendant::input | descendant::button', $root) as $node) {
if ('button' == $node->nodeName || ('input' == $node->nodeName && in_array($node->getAttribute('type'), array('submit', 'button', 'image')))) {
return $node;
}
}
return null;
}
/**
* Returns crawler instance (got from client).
*
* @return Symfony\Component\DomCrawler\Crawler
*
* @throws Behat\Mink\Exception\DriverException if can't init crawler (no page is opened)
*/
private function getCrawler()
{
$crawler = $this->client->getCrawler();
if (null === $crawler) {
throw new DriverException('Crawler can\'t be initialized. Did you started driver?');
}
return $crawler;
}
}