/**
* Compare the reference image with a current screenshot, identified by their indentifier name
* and their element ID.
*
* @param string $identifier identifies your test object
* @param string $elementID DOM ID of the element, which should be screenshotted
* @throws \Codeception\Module\ImageDeviationException
* @throws \RuntimeException
*/
public function dontSeeVisualChanges($identifier, $elementID = 'body')
{
$environment = $this->test->getScenario()->current('env');
if ($environment) {
$identifier = $identifier . '.' . $environment;
}
$deviationResult = $this->getScreenshotDeviation($identifier, $elementID);
if ($deviationResult['deviationImage'] instanceof Imagick) {
// used for assertion counter in codeception / phpunit
$this->assertTrue(true);
if ($deviationResult['deviation'] > $this->maximumDeviation) {
$compareScreenshotPath = $this->getDeviationScreenshotPath($identifier);
$deviationResult['deviationImage']->writeImage($compareScreenshotPath);
throw new ImageDeviationException('The deviation of the taken screenshot is too high - ' . $deviationResult['deviation'] . '.' . PHP_EOL . 'See ' . $compareScreenshotPath . ' for a deviation screenshot.', $this->getReferenceScreenshotPath($identifier), $this->getScreenshotPath($identifier), $compareScreenshotPath);
}
}
}
