public function ExceptionHandlingTest::testExceptionEscaping 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::testExceptionEscaping()

Tests exception message escaping.

File

core/tests/Drupal/KernelTests/Core/Routing/ExceptionHandlingTest.php, line 172

Class

ExceptionHandlingTest

Tests the exception handling for various cases.

Namespace

Drupal\KernelTests\Core\Routing

Code

public function testExceptionEscaping() {

  // Enable verbose error logging.
  $this
    ->config('system.logging')
    ->set('error_level', ERROR_REPORTING_DISPLAY_VERBOSE)
    ->save();

  // Using \Drupal\Component\Render\FormattableMarkup.
  $request = Request::create('/router_test/test24');
  $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 message is properly escaped, and that the unescaped string is not
  // output at all.
  $this
    ->setRawContent($response
    ->getContent());
  $this
    ->assertRaw(Html::escape('Escaped content: <p> <br> <h3>'));
  $this
    ->assertNoRaw('<p> <br> <h3>');
  $string = '<script>alert(123);</script>';
  $request = Request::create('/router_test/test2?_format=json' . urlencode($string), 'GET');
  $kernel = \Drupal::getContainer()
    ->get('http_kernel');
  $response = $kernel
    ->handle($request)
    ->prepare($request);

  // As the Content-type is text/plain the fact that the raw string is
  // contained in the output would not matter, but because it is output by the
  // final exception subscriber, it is printed as partial HTML, and hence
  // escaped.
  $this
    ->assertEquals('text/plain; charset=UTF-8', $response->headers
    ->get('Content-type'));
  $this
    ->assertStringStartsWith('The website encountered an unexpected error. Please try again later.</br></br><em class="placeholder">Symfony\\Component\\HttpKernel\\Exception\\NotAcceptableHttpException</em>: Not acceptable format: json&lt;script&gt;alert(123);&lt;/script&gt; in <em class="placeholder">', $response
    ->getContent());
}