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<?php |
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namespace Bex\Behat\ScreenshotExtension\Service; |
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use Behat\Mink\Mink; |
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use Bex\Behat\ScreenshotExtension\Driver\ImageDriverInterface; |
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use Bex\Behat\ScreenshotExtension\ServiceContainer\Config; |
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use Symfony\Component\Console\Output\OutputInterface; |
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/** |
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* This class is responsible for taking screenshot by using the Mink session |
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* |
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* @license http://opensource.org/licenses/MIT The MIT License |
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*/ |
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class ScreenshotTaker |
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{ |
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/** @var Mink $mink */ |
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private $mink; |
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/** @var OutputInterface $output */ |
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private $output; |
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/** |
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* @var array $screenshots |
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*/ |
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private $screenshots; |
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/** |
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* @var Config $config |
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*/ |
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private $config; |
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/** |
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* @param Mink $mink |
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* @param OutputInterface $output |
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* @param Config $config |
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*/ |
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public function __construct(Mink $mink, OutputInterface $output, Config $config) |
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{ |
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$this->mink = $mink; |
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$this->output = $output; |
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$this->config = $config; |
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} |
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/** |
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* Save the screenshot into a local buffer |
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*/ |
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public function takeScreenshot() |
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{ |
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try { |
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$this->screenshots[] = $this->mink->getSession()->getScreenshot(); |
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} catch (\Exception $e) { |
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$this->output->writeln($e->getMessage()); |
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} |
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} |
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/** |
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* @return string |
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*/ |
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public function getImage() |
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{ |
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return $this->config->shouldCombineImages() ? $this->getCombinedImage() : $this->getLastImage(); |
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} |
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/** |
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* @return string |
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*/ |
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private function getCombinedImage() |
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{ |
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$im = new \Imagick(); |
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foreach ($this->screenshots as $screenshot) { |
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$im->readImageBlob($screenshot); |
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} |
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/* Append the images into one */ |
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$im->resetIterator(); |
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$combined = $im->appendImages(true); |
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/* Output the image */ |
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$combined->setImageFormat("png"); |
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return (string) $combined; |
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} |
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/** |
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* @return string |
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*/ |
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private function getLastImage() |
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{ |
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return end($this->screenshots); |
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} |
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/** |
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* Remove previous images |
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*/ |
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public function reset() |
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{ |
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$this->screenshots = []; |
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} |
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} |
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elvetemedve /
behat-screenshot
