BigPipeTestSubscriber.php
Same filename in other branches
Namespace
Drupal\big_pipe_test\EventSubscriberFile
-
core/
modules/ big_pipe/ tests/ modules/ big_pipe_test/ src/ EventSubscriber/ BigPipeTestSubscriber.php
View source
<?php
namespace Drupal\big_pipe_test\EventSubscriber;
use Drupal\Core\Render\AttachmentsInterface;
use Drupal\Core\Render\HtmlResponse;
use Symfony\Component\HttpKernel\Event\ResponseEvent;
use Symfony\Component\HttpKernel\KernelEvents;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
class BigPipeTestSubscriber implements EventSubscriberInterface {
/**
* @see \Drupal\big_pipe_test\BigPipeTestController::responseException()
*
* @var string
*/
const CONTENT_TRIGGER_EXCEPTION = 'NOPE!NOPE!NOPE!';
/**
* Triggers exception for embedded HTML/AJAX responses with certain content.
*
* @see \Drupal\big_pipe_test\BigPipeTestController::responseException()
*
* @param \Symfony\Component\HttpKernel\Event\ResponseEvent $event
* The event to process.
*
* @throws \Exception
*/
public function onRespondTriggerException(ResponseEvent $event) {
$response = $event->getResponse();
if (!$response instanceof AttachmentsInterface) {
return;
}
$attachments = $response->getAttachments();
if (!isset($attachments['big_pipe_placeholders']) && !isset($attachments['big_pipe_nojs_placeholders'])) {
if (strpos($response->getContent(), static::CONTENT_TRIGGER_EXCEPTION) !== FALSE) {
throw new \Exception('Oh noes!');
}
}
}
/**
* Exposes all BigPipe placeholders (JS and no-JS) via headers for testing.
*
* @param \Symfony\Component\HttpKernel\Event\ResponseEvent $event
* The event to process.
*/
public function onRespondSetBigPipeDebugPlaceholderHeaders(ResponseEvent $event) {
$response = $event->getResponse();
if (!$response instanceof HtmlResponse) {
return;
}
$attachments = $response->getAttachments();
$response->headers
->set('BigPipe-Test-Placeholders', '<none>');
$response->headers
->set('BigPipe-Test-No-Js-Placeholders', '<none>');
if (!empty($attachments['big_pipe_placeholders'])) {
$response->headers
->set('BigPipe-Test-Placeholders', implode(' ', array_keys($attachments['big_pipe_placeholders'])));
}
if (!empty($attachments['big_pipe_nojs_placeholders'])) {
$response->headers
->set('BigPipe-Test-No-Js-Placeholders', implode(' ', array_map('rawurlencode', array_keys($attachments['big_pipe_nojs_placeholders']))));
}
}
/**
* {@inheritdoc}
*/
public static function getSubscribedEvents() {
// Run just before \Drupal\big_pipe\EventSubscriber\HtmlResponseBigPipeSubscriber::onRespond().
$events[KernelEvents::RESPONSE][] = [
'onRespondSetBigPipeDebugPlaceholderHeaders',
-9999,
];
// Run just after \Drupal\big_pipe\EventSubscriber\HtmlResponseBigPipeSubscriber::onRespond().
$events[KernelEvents::RESPONSE][] = [
'onRespondTriggerException',
-10001,
];
return $events;
}
}
Classes
Title | Deprecated | Summary |
---|---|---|
BigPipeTestSubscriber |
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