863 lines
22 KiB
PHP
863 lines
22 KiB
PHP
<?php
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/*
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* This file is part of the Behat\Mink.
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* (c) Konstantin Kudryashov <ever.zet@gmail.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Behat\Mink\Driver;
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use Behat\Mink\Exception\DriverException;
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use Behat\Mink\Exception\UnsupportedDriverActionException;
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use Symfony\Component\BrowserKit\Client;
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use Symfony\Component\BrowserKit\Cookie;
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use Symfony\Component\BrowserKit\Response;
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use Symfony\Component\DomCrawler\Crawler;
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use Symfony\Component\DomCrawler\Field\ChoiceFormField;
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use Symfony\Component\DomCrawler\Field\FileFormField;
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use Symfony\Component\DomCrawler\Field\FormField;
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use Symfony\Component\DomCrawler\Field\InputFormField;
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use Symfony\Component\DomCrawler\Field\TextareaFormField;
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use Symfony\Component\DomCrawler\Form;
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use Symfony\Component\HttpKernel\Client as HttpKernelClient;
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/**
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* Symfony2 BrowserKit driver.
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*
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* @author Konstantin Kudryashov <ever.zet@gmail.com>
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*/
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class BrowserKitDriver extends CoreDriver
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{
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private $client;
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/**
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* @var Form[]
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*/
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private $forms = array();
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private $serverParameters = array();
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private $started = false;
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private $removeScriptFromUrl = false;
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private $removeHostFromUrl = false;
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/**
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* Initializes BrowserKit driver.
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*
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* @param Client $client BrowserKit client instance
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* @param string|null $baseUrl Base URL for HttpKernel clients
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*/
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public function __construct(Client $client, $baseUrl = null)
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{
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$this->client = $client;
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$this->client->followRedirects(true);
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if ($baseUrl !== null && $client instanceof HttpKernelClient) {
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$client->setServerParameter('SCRIPT_FILENAME', parse_url($baseUrl, PHP_URL_PATH));
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}
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}
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/**
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* Returns BrowserKit HTTP client instance.
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*
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* @return Client
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*/
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public function getClient()
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{
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return $this->client;
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}
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/**
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* Tells driver to remove hostname from URL.
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*
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* @param Boolean $remove
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*
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* @deprecated Deprecated as of 1.2, to be removed in 2.0. Pass the base url in the constructor instead.
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*/
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public function setRemoveHostFromUrl($remove = true)
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{
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trigger_error(
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'setRemoveHostFromUrl() is deprecated as of 1.2 and will be removed in 2.0. Pass the base url in the constructor instead.',
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E_USER_DEPRECATED
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);
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$this->removeHostFromUrl = (bool) $remove;
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}
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/**
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* Tells driver to remove script name from URL.
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*
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* @param Boolean $remove
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*
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* @deprecated Deprecated as of 1.2, to be removed in 2.0. Pass the base url in the constructor instead.
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*/
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public function setRemoveScriptFromUrl($remove = true)
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{
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trigger_error(
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'setRemoveScriptFromUrl() is deprecated as of 1.2 and will be removed in 2.0. Pass the base url in the constructor instead.',
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E_USER_DEPRECATED
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);
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$this->removeScriptFromUrl = (bool) $remove;
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}
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/**
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* {@inheritdoc}
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*/
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public function start()
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{
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$this->started = true;
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}
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/**
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* {@inheritdoc}
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*/
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public function isStarted()
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{
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return $this->started;
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}
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/**
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* {@inheritdoc}
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*/
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public function stop()
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{
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$this->reset();
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$this->started = false;
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}
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/**
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* {@inheritdoc}
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*/
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public function reset()
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{
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// Restarting the client resets the cookies and the history
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$this->client->restart();
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$this->forms = array();
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$this->serverParameters = array();
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}
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/**
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* {@inheritdoc}
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*/
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public function visit($url)
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{
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$this->client->request('GET', $this->prepareUrl($url), array(), array(), $this->serverParameters);
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$this->forms = array();
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}
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/**
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* {@inheritdoc}
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*/
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public function getCurrentUrl()
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{
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$request = $this->client->getInternalRequest();
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if ($request === null) {
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throw new DriverException('Unable to access the request before visiting a page');
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}
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return $request->getUri();
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}
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/**
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* {@inheritdoc}
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*/
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public function reload()
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{
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$this->client->reload();
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$this->forms = array();
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}
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/**
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* {@inheritdoc}
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*/
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public function forward()
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{
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$this->client->forward();
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$this->forms = array();
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}
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/**
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* {@inheritdoc}
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*/
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public function back()
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{
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$this->client->back();
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$this->forms = array();
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}
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/**
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* {@inheritdoc}
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*/
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public function setBasicAuth($user, $password)
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{
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if (false === $user) {
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unset($this->serverParameters['PHP_AUTH_USER'], $this->serverParameters['PHP_AUTH_PW']);
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return;
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}
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$this->serverParameters['PHP_AUTH_USER'] = $user;
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$this->serverParameters['PHP_AUTH_PW'] = $password;
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}
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/**
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* {@inheritdoc}
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*/
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public function setRequestHeader($name, $value)
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{
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$contentHeaders = array('CONTENT_LENGTH' => true, 'CONTENT_MD5' => true, 'CONTENT_TYPE' => true);
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$name = str_replace('-', '_', strtoupper($name));
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// CONTENT_* are not prefixed with HTTP_ in PHP when building $_SERVER
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if (!isset($contentHeaders[$name])) {
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$name = 'HTTP_' . $name;
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}
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$this->serverParameters[$name] = $value;
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}
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/**
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* {@inheritdoc}
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*/
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public function getResponseHeaders()
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{
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return $this->getResponse()->getHeaders();
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}
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/**
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* {@inheritdoc}
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*/
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public function setCookie($name, $value = null)
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{
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if (null === $value) {
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$this->deleteCookie($name);
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return;
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}
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$jar = $this->client->getCookieJar();
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$jar->set(new Cookie($name, $value));
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}
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/**
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* Deletes a cookie by name.
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*
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* @param string $name Cookie name.
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*/
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private function deleteCookie($name)
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{
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$path = $this->getCookiePath();
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$jar = $this->client->getCookieJar();
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do {
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if (null !== $jar->get($name, $path)) {
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$jar->expire($name, $path);
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}
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$path = preg_replace('/.$/', '', $path);
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} while ($path);
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}
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/**
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* Returns current cookie path.
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*
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* @return string
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*/
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private function getCookiePath()
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{
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$path = dirname(parse_url($this->getCurrentUrl(), PHP_URL_PATH));
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if ('\\' === DIRECTORY_SEPARATOR) {
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$path = str_replace('\\', '/', $path);
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}
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return $path;
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}
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/**
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* {@inheritdoc}
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*/
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public function getCookie($name)
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{
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// Note that the following doesn't work well because
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// Symfony\Component\BrowserKit\CookieJar stores cookies by name,
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// path, AND domain and if you don't fill them all in correctly then
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// you won't get the value that you're expecting.
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//
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// $jar = $this->client->getCookieJar();
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//
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// if (null !== $cookie = $jar->get($name)) {
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// return $cookie->getValue();
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// }
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$allValues = $this->client->getCookieJar()->allValues($this->getCurrentUrl());
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if (isset($allValues[$name])) {
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return $allValues[$name];
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}
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return null;
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}
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/**
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* {@inheritdoc}
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*/
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public function getStatusCode()
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{
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return $this->getResponse()->getStatus();
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}
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/**
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* {@inheritdoc}
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*/
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public function getContent()
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{
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return $this->getResponse()->getContent();
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}
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/**
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* {@inheritdoc}
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*/
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public function findElementXpaths($xpath)
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{
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$nodes = $this->getCrawler()->filterXPath($xpath);
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$elements = array();
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foreach ($nodes as $i => $node) {
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$elements[] = sprintf('(%s)[%d]', $xpath, $i + 1);
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}
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return $elements;
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}
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/**
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* {@inheritdoc}
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*/
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public function getTagName($xpath)
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{
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return $this->getCrawlerNode($this->getFilteredCrawler($xpath))->nodeName;
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}
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/**
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* {@inheritdoc}
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*/
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public function getText($xpath)
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{
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$text = $this->getFilteredCrawler($xpath)->text();
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$text = str_replace("\n", ' ', $text);
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$text = preg_replace('/ {2,}/', ' ', $text);
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return trim($text);
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}
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/**
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* {@inheritdoc}
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*/
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public function getHtml($xpath)
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{
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// cut the tag itself (making innerHTML out of outerHTML)
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return preg_replace('/^\<[^\>]+\>|\<[^\>]+\>$/', '', $this->getOuterHtml($xpath));
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}
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/**
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* {@inheritdoc}
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*/
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public function getOuterHtml($xpath)
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{
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$node = $this->getCrawlerNode($this->getFilteredCrawler($xpath));
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return $node->ownerDocument->saveHTML($node);
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}
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/**
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* {@inheritdoc}
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*/
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public function getAttribute($xpath, $name)
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{
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$node = $this->getFilteredCrawler($xpath);
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if ($this->getCrawlerNode($node)->hasAttribute($name)) {
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return $node->attr($name);
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}
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return null;
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}
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/**
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* {@inheritdoc}
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*/
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public function getValue($xpath)
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{
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if (in_array($this->getAttribute($xpath, 'type'), array('submit', 'image', 'button'), true)) {
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return $this->getAttribute($xpath, 'value');
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}
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$node = $this->getCrawlerNode($this->getFilteredCrawler($xpath));
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if ('option' === $node->tagName) {
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return $this->getOptionValue($node);
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}
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try {
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$field = $this->getFormField($xpath);
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} catch (\InvalidArgumentException $e) {
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return $this->getAttribute($xpath, 'value');
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}
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return $field->getValue();
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}
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/**
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* {@inheritdoc}
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*/
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public function setValue($xpath, $value)
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{
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$this->getFormField($xpath)->setValue($value);
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}
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/**
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* {@inheritdoc}
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*/
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public function check($xpath)
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{
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$this->getCheckboxField($xpath)->tick();
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}
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/**
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* {@inheritdoc}
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*/
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public function uncheck($xpath)
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{
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$this->getCheckboxField($xpath)->untick();
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}
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/**
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* {@inheritdoc}
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*/
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public function selectOption($xpath, $value, $multiple = false)
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{
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$field = $this->getFormField($xpath);
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if (!$field instanceof ChoiceFormField) {
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throw new DriverException(sprintf('Impossible to select an option on the element with XPath "%s" as it is not a select or radio input', $xpath));
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}
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if ($multiple) {
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$oldValue = (array) $field->getValue();
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$oldValue[] = $value;
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$value = $oldValue;
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}
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$field->select($value);
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}
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/**
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* {@inheritdoc}
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*/
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public function isSelected($xpath)
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{
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$optionValue = $this->getOptionValue($this->getCrawlerNode($this->getFilteredCrawler($xpath)));
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$selectField = $this->getFormField('(' . $xpath . ')/ancestor-or-self::*[local-name()="select"]');
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$selectValue = $selectField->getValue();
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return is_array($selectValue) ? in_array($optionValue, $selectValue, true) : $optionValue === $selectValue;
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}
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/**
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* {@inheritdoc}
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*/
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public function click($xpath)
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{
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$crawler = $this->getFilteredCrawler($xpath);
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$node = $this->getCrawlerNode($crawler);
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$tagName = $node->nodeName;
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if ('a' === $tagName) {
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$this->client->click($crawler->link());
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$this->forms = array();
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} elseif ($this->canSubmitForm($node)) {
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$this->submit($crawler->form());
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} elseif ($this->canResetForm($node)) {
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$this->resetForm($node);
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} else {
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$message = sprintf('%%s supports clicking on links and submit or reset buttons only. But "%s" provided', $tagName);
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throw new UnsupportedDriverActionException($message, $this);
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}
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}
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/**
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* {@inheritdoc}
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*/
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public function isChecked($xpath)
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{
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$field = $this->getFormField($xpath);
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if (!$field instanceof ChoiceFormField || 'select' === $field->getType()) {
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throw new DriverException(sprintf('Impossible to get the checked state of the element with XPath "%s" as it is not a checkbox or radio input', $xpath));
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}
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if ('checkbox' === $field->getType()) {
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return $field->hasValue();
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}
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$radio = $this->getCrawlerNode($this->getFilteredCrawler($xpath));
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return $radio->getAttribute('value') === $field->getValue();
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}
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/**
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* {@inheritdoc}
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*/
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public function attachFile($xpath, $path)
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{
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$field = $this->getFormField($xpath);
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if (!$field instanceof FileFormField) {
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throw new DriverException(sprintf('Impossible to attach a file on the element with XPath "%s" as it is not a file input', $xpath));
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}
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$field->upload($path);
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}
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/**
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* {@inheritdoc}
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*/
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public function submitForm($xpath)
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{
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$crawler = $this->getFilteredCrawler($xpath);
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$this->submit($crawler->form());
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}
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/**
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* @return Response
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*
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* @throws DriverException If there is not response yet
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*/
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protected function getResponse()
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{
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$response = $this->client->getInternalResponse();
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if (null === $response) {
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throw new DriverException('Unable to access the response before visiting a page');
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}
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return $response;
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}
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|
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/**
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* Prepares URL for visiting.
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* Removes "*.php/" from urls and then passes it to BrowserKitDriver::visit().
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*
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* @param string $url
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*
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* @return string
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*/
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protected function prepareUrl($url)
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{
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$replacement = ($this->removeHostFromUrl ? '' : '$1') . ($this->removeScriptFromUrl ? '' : '$2');
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return preg_replace('#(https?\://[^/]+)(/[^/\.]+\.php)?#', $replacement, $url);
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}
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/**
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* Returns form field from XPath query.
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*
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* @param string $xpath
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*
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* @return FormField
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*
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* @throws DriverException
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*/
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protected function getFormField($xpath)
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{
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$fieldNode = $this->getCrawlerNode($this->getFilteredCrawler($xpath));
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$fieldName = str_replace('[]', '', $fieldNode->getAttribute('name'));
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$formNode = $this->getFormNode($fieldNode);
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$formId = $this->getFormNodeId($formNode);
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if (!isset($this->forms[$formId])) {
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$this->forms[$formId] = new Form($formNode, $this->getCurrentUrl());
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}
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if (is_array($this->forms[$formId][$fieldName])) {
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return $this->forms[$formId][$fieldName][$this->getFieldPosition($fieldNode)];
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}
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return $this->forms[$formId][$fieldName];
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}
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|
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/**
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* Returns the checkbox field from xpath query, ensuring it is valid.
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*
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* @param string $xpath
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*
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* @return ChoiceFormField
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*
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* @throws DriverException when the field is not a checkbox
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*/
|
|
private function getCheckboxField($xpath)
|
|
{
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$field = $this->getFormField($xpath);
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|
|
if (!$field instanceof ChoiceFormField) {
|
|
throw new DriverException(sprintf('Impossible to check the element with XPath "%s" as it is not a checkbox', $xpath));
|
|
}
|
|
|
|
return $field;
|
|
}
|
|
|
|
/**
|
|
* @param \DOMElement $element
|
|
*
|
|
* @return \DOMElement
|
|
*
|
|
* @throws DriverException if the form node cannot be found
|
|
*/
|
|
private function getFormNode(\DOMElement $element)
|
|
{
|
|
if ($element->hasAttribute('form')) {
|
|
$formId = $element->getAttribute('form');
|
|
$formNode = $element->ownerDocument->getElementById($formId);
|
|
|
|
if (null === $formNode || 'form' !== $formNode->nodeName) {
|
|
throw new DriverException(sprintf('The selected node has an invalid form attribute (%s).', $formId));
|
|
}
|
|
|
|
return $formNode;
|
|
}
|
|
|
|
$formNode = $element;
|
|
|
|
do {
|
|
// use the ancestor form element
|
|
if (null === $formNode = $formNode->parentNode) {
|
|
throw new DriverException('The selected node does not have a form ancestor.');
|
|
}
|
|
} while ('form' !== $formNode->nodeName);
|
|
|
|
return $formNode;
|
|
}
|
|
|
|
/**
|
|
* Gets the position of the field node among elements with the same name
|
|
*
|
|
* BrowserKit uses the field name as index to find the field in its Form object.
|
|
* When multiple fields have the same name (checkboxes for instance), it will return
|
|
* an array of elements in the order they appear in the DOM.
|
|
*
|
|
* @param \DOMElement $fieldNode
|
|
*
|
|
* @return integer
|
|
*/
|
|
private function getFieldPosition(\DOMElement $fieldNode)
|
|
{
|
|
$elements = $this->getCrawler()->filterXPath('//*[@name=\''.$fieldNode->getAttribute('name').'\']');
|
|
|
|
if (count($elements) > 1) {
|
|
// more than one element contains this name !
|
|
// so we need to find the position of $fieldNode
|
|
foreach ($elements as $key => $element) {
|
|
/** @var \DOMElement $element */
|
|
if ($element->getNodePath() === $fieldNode->getNodePath()) {
|
|
return $key;
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
private function submit(Form $form)
|
|
{
|
|
$formId = $this->getFormNodeId($form->getFormNode());
|
|
|
|
if (isset($this->forms[$formId])) {
|
|
$this->mergeForms($form, $this->forms[$formId]);
|
|
}
|
|
|
|
// remove empty file fields from request
|
|
foreach ($form->getFiles() as $name => $field) {
|
|
if (empty($field['name']) && empty($field['tmp_name'])) {
|
|
$form->remove($name);
|
|
}
|
|
}
|
|
|
|
foreach ($form->all() as $field) {
|
|
// Add a fix for https://github.com/symfony/symfony/pull/10733 to support Symfony versions which are not fixed
|
|
if ($field instanceof TextareaFormField && null === $field->getValue()) {
|
|
$field->setValue('');
|
|
}
|
|
}
|
|
|
|
$this->client->submit($form);
|
|
|
|
$this->forms = array();
|
|
}
|
|
|
|
private function resetForm(\DOMElement $fieldNode)
|
|
{
|
|
$formNode = $this->getFormNode($fieldNode);
|
|
$formId = $this->getFormNodeId($formNode);
|
|
unset($this->forms[$formId]);
|
|
}
|
|
|
|
/**
|
|
* Determines if a node can submit a form.
|
|
*
|
|
* @param \DOMElement $node Node.
|
|
*
|
|
* @return boolean
|
|
*/
|
|
private function canSubmitForm(\DOMElement $node)
|
|
{
|
|
$type = $node->hasAttribute('type') ? $node->getAttribute('type') : null;
|
|
|
|
if ('input' === $node->nodeName && in_array($type, array('submit', 'image'), true)) {
|
|
return true;
|
|
}
|
|
|
|
return 'button' === $node->nodeName && (null === $type || 'submit' === $type);
|
|
}
|
|
|
|
/**
|
|
* Determines if a node can reset a form.
|
|
*
|
|
* @param \DOMElement $node Node.
|
|
*
|
|
* @return boolean
|
|
*/
|
|
private function canResetForm(\DOMElement $node)
|
|
{
|
|
$type = $node->hasAttribute('type') ? $node->getAttribute('type') : null;
|
|
|
|
return in_array($node->nodeName, array('input', 'button'), true) && 'reset' === $type;
|
|
}
|
|
|
|
/**
|
|
* Returns form node unique identifier.
|
|
*
|
|
* @param \DOMElement $form
|
|
*
|
|
* @return string
|
|
*/
|
|
private function getFormNodeId(\DOMElement $form)
|
|
{
|
|
return md5($form->getLineNo() . $form->getNodePath() . $form->nodeValue);
|
|
}
|
|
|
|
/**
|
|
* Gets the value of an option element
|
|
*
|
|
* @param \DOMElement $option
|
|
*
|
|
* @return string
|
|
*
|
|
* @see \Symfony\Component\DomCrawler\Field\ChoiceFormField::buildOptionValue
|
|
*/
|
|
private function getOptionValue(\DOMElement $option)
|
|
{
|
|
if ($option->hasAttribute('value')) {
|
|
return $option->getAttribute('value');
|
|
}
|
|
|
|
if (!empty($option->nodeValue)) {
|
|
return $option->nodeValue;
|
|
}
|
|
|
|
return '1'; // DomCrawler uses 1 by default if there is no text in the option
|
|
}
|
|
|
|
/**
|
|
* Merges second form values into first one.
|
|
*
|
|
* @param Form $to merging target
|
|
* @param Form $from merging source
|
|
*/
|
|
private function mergeForms(Form $to, Form $from)
|
|
{
|
|
foreach ($from->all() as $name => $field) {
|
|
$fieldReflection = new \ReflectionObject($field);
|
|
$nodeReflection = $fieldReflection->getProperty('node');
|
|
$valueReflection = $fieldReflection->getProperty('value');
|
|
|
|
$nodeReflection->setAccessible(true);
|
|
$valueReflection->setAccessible(true);
|
|
|
|
$isIgnoredField = $field instanceof InputFormField &&
|
|
in_array($nodeReflection->getValue($field)->getAttribute('type'), array('submit', 'button', 'image'), true);
|
|
|
|
if (!$isIgnoredField) {
|
|
$valueReflection->setValue($to[$name], $valueReflection->getValue($field));
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns DOMElement from crawler instance.
|
|
*
|
|
* @param Crawler $crawler
|
|
*
|
|
* @return \DOMElement
|
|
*
|
|
* @throws DriverException when the node does not exist
|
|
*/
|
|
private function getCrawlerNode(Crawler $crawler)
|
|
{
|
|
$node = null;
|
|
|
|
if ($crawler instanceof \Iterator) {
|
|
// for symfony 2.3 compatibility as getNode is not public before symfony 2.4
|
|
$crawler->rewind();
|
|
$node = $crawler->current();
|
|
} else {
|
|
$node = $crawler->getNode(0);
|
|
}
|
|
|
|
if (null !== $node) {
|
|
return $node;
|
|
}
|
|
|
|
throw new DriverException('The element does not exist');
|
|
}
|
|
|
|
/**
|
|
* Returns a crawler filtered for the given XPath, requiring at least 1 result.
|
|
*
|
|
* @param string $xpath
|
|
*
|
|
* @return Crawler
|
|
*
|
|
* @throws DriverException when no matching elements are found
|
|
*/
|
|
private function getFilteredCrawler($xpath)
|
|
{
|
|
if (!count($crawler = $this->getCrawler()->filterXPath($xpath))) {
|
|
throw new DriverException(sprintf('There is no element matching XPath "%s"', $xpath));
|
|
}
|
|
|
|
return $crawler;
|
|
}
|
|
|
|
/**
|
|
* Returns crawler instance (got from client).
|
|
*
|
|
* @return Crawler
|
|
*
|
|
* @throws DriverException
|
|
*/
|
|
private function getCrawler()
|
|
{
|
|
$crawler = $this->client->getCrawler();
|
|
|
|
if (null === $crawler) {
|
|
throw new DriverException('Unable to access the response content before visiting a page');
|
|
}
|
|
|
|
return $crawler;
|
|
}
|
|
}
|