public function PageRenderTest::assertPageRenderHookExceptions in Drupal 9

Same name and namespace in other branches

1. 8 core/modules/system/tests/src/Kernel/Common/PageRenderTest.php \Drupal\Tests\system\Kernel\Common\PageRenderTest::assertPageRenderHookExceptions()

Asserts whether expected exceptions are thrown for invalid hook implementations.

Parameters

string $module: The module whose invalid logic in its hooks to enable.

string $hook: The page render hook to assert expected exceptions for.

2 calls to PageRenderTest::assertPageRenderHookExceptions()

PageRenderTest::testHookPageAlter in core/modules/system/tests/src/Kernel/Common/PageRenderTest.php

Tests hook_page_attachments_alter() exceptions.

PageRenderTest::testHookPageAttachmentsExceptions in core/modules/system/tests/src/Kernel/Common/PageRenderTest.php

Tests hook_page_attachments() exceptions.

File

core/modules/system/tests/src/Kernel/Common/PageRenderTest.php, line 40

Class

PageRenderTest

Test page rendering hooks.

Namespace

Drupal\Tests\system\Kernel\Common

Code

public function assertPageRenderHookExceptions($module, $hook) {
  $html_renderer = \Drupal::getContainer()
    ->get('main_content_renderer.html');

  // Assert a valid hook implementation doesn't trigger an exception.
  $page = [];
  $html_renderer
    ->invokePageAttachmentHooks($page);

  // Assert that hooks can set cache tags.
  $this
    ->assertEquals([
    'example',
  ], $page['#cache']['tags']);
  $this
    ->assertEquals([
    'user.permissions',
  ], $page['#cache']['contexts']);

  // Assert an invalid hook implementation doesn't trigger an exception.
  \Drupal::state()
    ->set($module . '.' . $hook . '.descendant_attached', TRUE);
  $assertion = $hook . '() implementation that sets #attached on a descendant triggers an exception';
  $page = [];
  try {
    $html_renderer
      ->invokePageAttachmentHooks($page);
    $this
      ->error($assertion);
  } catch (\LogicException $e) {
    $this
      ->assertEquals('Only #attached and #cache may be set in ' . $hook . '().', $e
      ->getMessage());
  }
  \Drupal::state()
    ->set('bc_test.' . $hook . '.descendant_attached', FALSE);

  // Assert an invalid hook implementation doesn't trigger an exception.
  \Drupal::state()
    ->set('bc_test.' . $hook . '.render_array', TRUE);
  $assertion = $hook . '() implementation that sets a child render array triggers an exception';
  $page = [];
  try {
    $html_renderer
      ->invokePageAttachmentHooks($page);
    $this
      ->error($assertion);
  } catch (\LogicException $e) {
    $this
      ->assertEquals('Only #attached and #cache may be set in ' . $hook . '().', $e
      ->getMessage());
  }
  \Drupal::state()
    ->set($module . '.' . $hook . '.render_array', FALSE);
}