FeatureContext.php for Drupal sites

FeatureContext.php

<?php
 
use Behat\Behat\Context\ClosuredContextInterface,
    Behat\Behat\Context\TranslatedContextInterface,
    Behat\Behat\Context\BehatContext,
    Behat\Behat\Exception\PendingException;
use Behat\Gherkin\Node\PyStringNode,
    Behat\Gherkin\Node\TableNode;
use Behat\MinkExtension\Context\MinkContext;
//
// Require 3rd-party libraries here:
//
//   require_once 'PHPUnit/Autoload.php';
//   require_once 'PHPUnit/Framework/Assert/Functions.php';
//
 
/**
 * Features context.
 */
// class FeatureContext extends BehatContext 
class FeatureContext extends Drupal\DrupalExtension\Context\DrupalContext
{
    /**
     * Initializes context.
     * Every scenario gets it's own context object.
     *
     * @param array $parameters context parameters (set them up through behat.yml)
     */
    public function __construct(array $parameters)
    {
        // Initialize your context here
    }
 
    /**
     * @Then /^"([^"]*)" should be visible$/
     */
    public function shouldBeVisible($selector) {
        $el = $this->getSession()->getPage()->find('css', $selector);
        $style = '';
        if(!empty($el)){
            $style = preg_replace('/\s/', '', $el->getAttribute('style'));
        } else {
            throw new Exception("Element ({$selector}) not found");
        }
 
        return true;
    }
 
    /**
     * @Then /^the element "([^"]*)" should exist$/
     */
    public function theElementShouldExist($arg1)
    {
            $session = $this->getSession(); // get the mink session
            $element = $session->getPage()->find('css', $arg1); // runs the actual query and returns the element
 
            // errors must not pass silently
            if (null === $element) {
                throw new \InvalidArgumentException(sprintf('Could not find element: "%s"', $arg1));
            }
 
            return true;
    }
 
    /**
     * @When /^I hover over the element "([^"]*)"$/
     */
    public function iHoverOverTheElement($locator)
    {
            $session = $this->getSession(); // get the mink session
            $element = $session->getPage()->find('css', $locator); // runs the actual query and returns the element
 
            // errors must not pass silently
            if (null === $element) {
                throw new \InvalidArgumentException(sprintf('Could not evaluate CSS selector: "%s"', $locator));
            }
 
            // ok, let's hover it
            $element->mouseOver();
    }
 
    /**
     * @Then /^the url should match "(?P<pattern>[^"]+)"$/
     */
    public function assertUrlRegExp($pattern)
    {
        if (!preg_match('/^\/.*\/$/', $pattern)) {
            return new Then("I should be on \"$pattern\"");
        }
 
        return true;
    }
    /**
     * @Given /^I am on the Content Creation page$/
    */
    public function iAmOnTheContentCreationPage() {
        $session = $this->getSession();
        return $session->getDriver()->visit("node/add");
    }

    /**
     * @Given /^the element "([^"]*)" should have a background image$/
    */
    public function theElementShouldHaveABackgroundImage($arg1) {
        $session = $this->getSession();
        $page = $session->getPage();
        $element = $page->find('css', $arg1);
        $style = $element->getAttribute('style');

        if (null === $element) {
            throw new \LogicException(sprintf('Could not find the element "%s"',$arg1));
        }

        if (strpos($style,'background-image') !== false) {
            return true;
        } else {
            throw new \LogicException(sprintf('Element "%s" did not have a background image', $arg1));
        }
        
    }

    /**
   * Take screenshot when step fails. Works only with Selenium2Driver.
   *
   * If on a Mac, runnining from the command line, with the SHOW_SNAPSHOT
   *  environment variable set to 1, the snapshot will open in Preview.
   *
   * Screenshot is saved at [Date]/[Feature]/[Scenario]/[Step].jpg .
   *
   * @AfterStep @javascript
   */
  public function takeScreenshotAfterFailedStep(Behat\Behat\Event\StepEvent $event) {
    if ($event->getResult() === Behat\Behat\Event\StepEvent::FAILED) {
      $driver = $this->getSession()->getDriver();
      if ($driver instanceof Behat\Mink\Driver\Selenium2Driver) {
        $step = $event->getStep();
        $path = array(
          'date' => date("Ymd-Hi"),
          'feature' => $step->getParent()->getFeature()->getTitle(),
          'scenario' => $step->getParent()->getTitle(),
          'step' => $step->getType() . ' ' . $step->getText(),
        );
        $path = preg_replace('/[^\-\.\w]/', '_', $path);
        $filename = 'screenshots/' .  implode('/', $path) . '.jpg';

        // Create directories if needed.
        if (!@is_dir(dirname($filename))) {
          @mkdir(dirname($filename), 0775, TRUE);
        }

        file_put_contents($filename, $driver->getScreenshot());
        if (PHP_OS === "Darwin" && (bool) getenv('SHOW_SNAPSHOT') === TRUE && PHP_SAPI === "cli") {
          exec('open -a "Preview.app" ' . $filename);
        }
      }
    }
  }

  /**
   * @When /^wait (\d+) seconds?$/
   */
   public function waitSeconds($seconds)
   {
       $this->getSession()->wait(1000*$seconds);
   }

   /**
    * Fills in WYSIWYG editor with specified id.
    *
    * @Given /^(?:|I )fill in "(?P<text>[^"]*)" in WYSIWYG editor "(?P<iframe>[^"]*)"$/
    */
   public function iFillInInWYSIWYGEditor($text, $iframe) 
   {
    try {
      $this->getSession()->switchToIFrame($iframe);
    }
    catch (Exception $e) {
      throw new \Exception(sprintf("No iframe with id '%s' found on the page '%s'.", $iframe, $this->getSession()->getCurrentUrl()));
    } 
    $this->getSession()->executeScript("document.body.innerHTML = '<p>".$text."</p>'");      
    $this->getSession()->switchToIFrame();
   }

}