function NodeTemplateSuggestionsTest::testNodeThemeHookSuggestions

Tests if template_preprocess_node() generates the correct suggestions.

File

core/modules/node/tests/src/Functional/NodeTemplateSuggestionsTest.php, line 20

Class

NodeTemplateSuggestionsTest

Tests node template suggestions.

Namespace

Code

public function testNodeThemeHookSuggestions() {
  // Create node to be rendered.
  $node = $this->drupalCreateNode();
  $view_mode = 'full';
  // Simulate theming of the node.
  $build = \Drupal::entityTypeManager()->getViewBuilder('node')
    ->view($node, $view_mode);
  $variables['elements'] = $build;
  $suggestions = \Drupal::moduleHandler()->invokeAll('theme_suggestions_node', [
    $variables,
  ]);
  $this->assertEquals([
    'node__full',
    'node__page',
    'node__page__full',
    'node__' . $node->id(),
    'node__' . $node->id() . '__full',
  ], $suggestions, 'Found expected node suggestions.');
  // Change the view mode.
  $view_mode = 'node.my_custom_view_mode';
  $build = \Drupal::entityTypeManager()->getViewBuilder('node')
    ->view($node, $view_mode);
  $variables['elements'] = $build;
  $suggestions = \Drupal::moduleHandler()->invokeAll('theme_suggestions_node', [
    $variables,
  ]);
  $this->assertEquals([
    'node__node_my_custom_view_mode',
    'node__page',
    'node__page__node_my_custom_view_mode',
    'node__' . $node->id(),
    'node__' . $node->id() . '__node_my_custom_view_mode',
  ], $suggestions, 'Found expected node suggestions.');
}