/**
* @param \SplFileInfo|string $cwd
* @return PromiseInterface
*/
public function enqueue($cwd = null)
{
$process = $this->factory->make($cwd);
/** @var Promise $promise */
$promise = new Promise(function () use($process, &$promise) {
if ($process->isStarted()) {
$process->wait();
}
$process->isSuccessful() ? $promise->resolve($process) : $promise->reject($process);
});
$this->queue->add($process);
$process->setOptions([ProcessQueue::PROMISE_KEY => $promise]);
return $promise;
}
/** @depends testAdd */
public function testInvoke()
{
$queue = new ProcessQueue();
$process = new Process('pwd');
$queue->add($process);
/** @var Process $pending */
foreach ($queue() as $pending) {
$this->assertInstanceOf(Process::class, $pending);
$this->assertFalse($pending->isStarted());
$pending->start();
}
$this->assertEmpty($queue);
$this->assertCount(0, $queue);
$this->assertTrue($process->isTerminated());
}
