/**
* Executes provided step definition.
*
* If the result is not a failure then take a screenshot and compare for differences.
*
* @param StepNode $step
* @param DefinitionInterface $definition
* @throws PerceptualDiffException If there are differences compared to the baseline
*/
protected function executeStepDefinition(StepNode $step, DefinitionInterface $definition)
{
parent::executeStepDefinition($step, $definition);
$diff = $this->screenshotComparator->takeScreenshot($this->context, $step);
if ($diff > 0 && $this->failOnDiff) {
// There were differences between the two screenshots
throw new PerceptualDiffException(sprintf('There was a perceptual difference of %d', $diff));
}
}
/**
* Executes provided step definition.
*
* If the result is not a failure then take a screenshot and compare for differences.
*
* @param StepNode $step
* @param DefinitionInterface $definition
* @throws PerceptualDiffException If there are differences compared to the baseline
*/
protected function executeStepDefinition(StepNode $step, DefinitionInterface $definition)
{
parent::executeStepDefinition($step, $definition);
$session = $this->context->getSession();
// give JavaScript time to trigger additional ajax requests after onload
$session->wait(100);
// Wait for an ajax request to complete, but only for a maximum of X seconds to avoid deadlocks
$session->wait(5000, "(typeof window.__ajaxStatus !== 'undefined' ? window.__ajaxStatus() : 'no ajax') !== 'waiting'");
// The 'sleep' config setting will be respected in the comparator logic,
// and is required to be at least ~200ms to give the browser a chance to finish rendering
$diff = $this->screenshotComparator->takeScreenshot($this->context, $step);
if ($diff > 0 && $this->failOnDiff) {
// There were differences between the two screenshots
throw new PerceptualDiffException(sprintf('There was a perceptual difference of %d', $diff));
}
}
