public function ExceptionHandlingTest::testBacktraceEscaping in Drupal 9

Same name and namespace in other branches

1. 8 core/tests/Drupal/KernelTests/Core/Routing/ExceptionHandlingTest.php \Drupal\KernelTests\Core\Routing\ExceptionHandlingTest::testBacktraceEscaping()

Tests if exception backtraces are properly escaped when output to HTML.

File

core/tests/Drupal/KernelTests/Core/Routing/ExceptionHandlingTest.php, line 150

Class

ExceptionHandlingTest

Tests the exception handling for various cases.

Namespace

Drupal\KernelTests\Core\Routing

Code

public function testBacktraceEscaping() {

  // Enable verbose error logging.
  $this
    ->config('system.logging')
    ->set('error_level', ERROR_REPORTING_DISPLAY_VERBOSE)
    ->save();
  $request = Request::create('/router_test/test17');
  $request
    ->setFormat('html', [
    'text/html',
  ]);

  /** @var \Symfony\Component\HttpKernel\HttpKernelInterface $kernel */
  $kernel = \Drupal::getContainer()
    ->get('http_kernel');
  $response = $kernel
    ->handle($request)
    ->prepare($request);
  $this
    ->assertEquals(Response::HTTP_INTERNAL_SERVER_ERROR, $response
    ->getStatusCode());
  $this
    ->assertEquals('text/html; charset=UTF-8', $response->headers
    ->get('Content-type'));

  // Test both that the backtrace is properly escaped, and that the unescaped
  // string is not output at all.
  $this
    ->assertStringContainsString(Html::escape('<script>alert(\'xss\')</script>'), $response
    ->getContent());
  $this
    ->assertStringNotContainsString('<script>alert(\'xss\')</script>', $response
    ->getContent());
}