public function testLifecycle()
{
$attachmentTitle = 'some-title';
$pattern = 'matching';
$tmpDirectory = sys_get_temp_dir();
$matchingFilename = tempnam($tmpDirectory, $pattern);
touch($matchingFilename);
$this->assertTrue(file_exists($matchingFilename));
$notMatchingFilename = tempnam($tmpDirectory, 'excluded');
$step = new Step();
$step->addAttachment(new Attachment($attachmentTitle, $matchingFilename, ATTACHMENT_TYPE));
$step->addAttachment(new Attachment($attachmentTitle, $notMatchingFilename, ATTACHMENT_TYPE));
$this->assertEquals(2, sizeof($step->getAttachments()));
$event = new RemoveAttachmentsEvent("/{$pattern}/i");
$event->process($step);
$this->assertEquals(1, sizeof($step->getAttachments()));
$this->assertFalse(file_exists($matchingFilename));
$attachments = $step->getAttachments();
$attachment = array_pop($attachments);
$this->assertTrue($attachment instanceof Attachment && $attachment->getSource() === $notMatchingFilename);
}
