Take screenshots with Behat + Mink + Selenium2 Stack when a step fails. CAUTION: Work in progress

FeatureContext.php

<?php

use Behat\Behat\Event\StepEvent;
use Behat\Gherkin\Node\StepNode,
    Behat\Gherkin\Node\ScenarioNode,
    Behat\Gherkin\Node\FeatureNode;

use Behat\Mink\Driver\Selenium2Driver;

/**
 * Take screenshot when step fails.
 * Works only with Selenium2Driver.
 * 
 * @AfterStep
 */
public function takeScreenshotAfterFailedStep(StepEvent $event)
{
    if (StepEvent::FAILED === $event->getResult()) {
        $driver = $this->getSession()->getDriver();
    	// var_dump($step);
        if (!($driver instanceof Selenium2Driver)) {
            // throw new UnsupportedDriverActionException('Taking screenshots is not supported by %s, use Selenium2Driver instead.', $driver);
            return;
        }
		
		$stepNode = $event->getStep();
		$scenarioNode = $stepNode->getParent();
		$featureNode = $scenarioNode->getFeature();
		
		// $title = ['step' => $stepNode->getText(), 'scenario' => $scenarioNode->getTitle(), 'feature' => $featureNode->getTitle().": ".$featureNode->getDescription()];
// 			var_dump($title);

        $screenshot = $driver->getWebDriverSession()->screenshot();
        file_put_contents('/tmp/test.png', base64_decode($screenshot));
    }
}

?>