/**
* Runs a student's solution by invoking PHP from the CLI passing the arguments gathered from the exercise
* as command line arguments to PHP.
*
* Running only runs the student's solution, the reference solution is not run and no verification is performed,
* the output of the student's solution is written directly to the output.
*
* Events dispatched:
*
* * cli.run.student-execute.pre
* * cli.run.student.executing
*
* @param Input $input The command line arguments passed to the command.
* @param OutputInterface $output A wrapper around STDOUT.
* @return bool If the solution was successfully executed, eg. exit code was 0.
*/
public function run(Input $input, OutputInterface $output)
{
$this->eventDispatcher->dispatch(new ExerciseRunnerEvent('cli.run.start', $this->exercise, $input));
$success = true;
foreach ($this->preserveOldArgFormat($this->exercise->getArgs()) as $i => $args) {
/** @var CliExecuteEvent $event */
$event = $this->eventDispatcher->dispatch(new CliExecuteEvent('cli.run.student-execute.pre', new ArrayObject($args)));
$args = $event->getArgs();
if (count($args)) {
$glue = max(array_map('strlen', $args->getArrayCopy())) > 30 ? "\n" : ', ';
$output->writeTitle('Arguments');
$output->write(implode($glue, $args->getArrayCopy()));
$output->emptyLine();
}
$output->writeTitle("Output");
$process = $this->getPhpProcess($input->getArgument('program'), $args);
$process->start();
$this->eventDispatcher->dispatch(new CliExecuteEvent('cli.run.student.executing', $args, ['output' => $output]));
$process->wait(function ($outputType, $outputBuffer) use($output) {
$output->write($outputBuffer);
});
$output->emptyLine();
if (!$process->isSuccessful()) {
$success = false;
}
$output->lineBreak();
}
$this->eventDispatcher->dispatch(new ExerciseRunnerEvent('cli.run.finish', $this->exercise, $input));
return $success;
}
/**
* @param string $fileName
* @param OutputInterface $output
* @return bool
*/
public function run($fileName, OutputInterface $output)
{
/** @var CliExecuteEvent $event */
$event = $this->eventDispatcher->dispatch(new CliExecuteEvent('cli.run.user-execute.pre', new ArrayObject($this->exercise->getArgs())));
$args = $event->getArgs();
if (count($args)) {
$glue = max(array_map('strlen', $args->getArrayCopy())) > 30 ? "\n" : ', ';
$output->writeTitle('Arguments');
$output->write(implode($glue, $args->getArrayCopy()));
$output->emptyLine();
}
$output->writeTitle("Output");
$process = $this->getPhpProcess($fileName, $args);
$process->start();
$this->eventDispatcher->dispatch(new CliExecuteEvent('cli.run.executing', $args, ['output' => $output]));
$process->wait(function ($outputType, $outputBuffer) use($output) {
$output->writeLine($outputBuffer);
});
return $process->isSuccessful();
}