function EntityViewHookTest::testHookEntityDisplayBuildAlter

Tests hook_entity_display_build_alter().

File

core/tests/Drupal/KernelTests/Core/Entity/EntityViewHookTest.php, line 27

Class

EntityViewHookTest

Test view/render hooks for entities.

Namespace

Code

public function testHookEntityDisplayBuildAlter() : void {
  entity_test_create_bundle('display_build_alter_bundle');
  /** @var \Drupal\Core\Render\RendererInterface $renderer */
  $renderer = $this->container
    ->get('renderer');
  $entity_ids = [];
  // Create some entities to test.
  for ($i = 0; $i < 5; $i++) {
    $entity = EntityTest::create([
      'name' => $this->randomMachineName(),
      'type' => 'display_build_alter_bundle',
    ]);
    $entity->save();
    $entity_ids[] = $entity->id();
  }
  /** @var \Drupal\entity_test\EntityTestViewBuilder $view_builder */
  $view_builder = $this->container
    ->get('entity_type.manager')
    ->getViewBuilder('entity_test');
  /** @var \Drupal\Core\Entity\EntityStorageInterface $storage */
  $storage = $this->container
    ->get('entity_type.manager')
    ->getStorage('entity_test');
  $storage->resetCache();
  $entities = $storage->loadMultiple($entity_ids);
  $build = $view_builder->viewMultiple($entities);
  $output = $renderer->renderRoot($build);
  $this->setRawContent($output->__toString());
  // Confirm that the content added in
  // entity_test_entity_display_build_alter() appears multiple times, not
  // just for the final entity.
  foreach ($entity_ids as $id) {
    $this->assertText('Content added in hook_entity_display_build_alter for entity id ' . $id);
  }
}