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.');
}