/**
* @param string $fileName
* @return ResultInterface
*/
public function verify($fileName)
{
//arrays are not pass-by-ref
$args = new ArrayObject($this->exercise->getArgs());
try {
$event = $this->eventDispatcher->dispatch(new CliExecuteEvent('cli.verify.solution-execute.pre', $args));
$solutionOutput = $this->executePhpFile($this->exercise->getSolution()->getEntryPoint(), $event->getArgs(), 'solution');
} catch (CodeExecutionException $e) {
$this->eventDispatcher->dispatch(new Event('cli.verify.solution-execute.fail', ['exception' => $e]));
throw new SolutionExecutionException($e->getMessage());
}
try {
$event = $this->eventDispatcher->dispatch(new CliExecuteEvent('cli.verify.user-execute.pre', $args));
$userOutput = $this->executePhpFile($fileName, $event->getArgs(), 'user');
} catch (CodeExecutionException $e) {
$this->eventDispatcher->dispatch(new Event('cli.verify.user-execute.fail', ['exception' => $e]));
return Failure::fromNameAndCodeExecutionFailure($this->getName(), $e);
}
if ($solutionOutput === $userOutput) {
return new Success($this->getName());
}
return StdOutFailure::fromNameAndOutput($this->getName(), $solutionOutput, $userOutput);
}
