public function testOnKernelResponseGetWithExpression()
{
$tag = new Tag(array('expression' => '"item-"~id'));
$request = new Request();
$request->setMethod('GET');
$request->attributes->set('_tag', array($tag));
$request->attributes->set('id', '123');
$event = $this->getEvent($request);
$this->listener->onKernelResponse($event);
$this->assertEquals(
'item-123',
$event->getResponse()->headers->get($this->cacheManager->getTagsHeader())
);
}
