Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\Tests\block\Functional;
Chris@0: 
Chris@0: use Drupal\block\Entity\Block;
Chris@0: use Drupal\Tests\BrowserTestBase;
Chris@0: 
Chris@0: /**
Chris@0:  * Tests the block_theme_suggestions_block() function.
Chris@0:  *
Chris@0:  * @group block
Chris@0:  */
Chris@0: class BlockTemplateSuggestionsTest extends BrowserTestBase {
Chris@0: 
Chris@0:   /**
Chris@0:    * Modules to install.
Chris@0:    *
Chris@0:    * @var array
Chris@0:    */
Chris@0:   public static $modules = ['block'];
Chris@0: 
Chris@0:   /**
Chris@0:    * Tests template suggestions from block_theme_suggestions_block().
Chris@0:    */
Chris@0:   public function testBlockThemeHookSuggestions() {
Chris@0:     // Define a block with a derivative to be preprocessed, which includes both
Chris@0:     // an underscore (not transformed) and a hyphen (transformed to underscore),
Chris@0:     // and generates possibilities for each level of derivative.
Chris@0:     // @todo Clarify this comment.
Chris@0:     $block = Block::create([
Chris@0:       'plugin' => 'system_menu_block:admin',
Chris@0:       'region' => 'footer',
Chris@0:       'id' => 'machinename',
Chris@0:     ]);
Chris@0: 
Chris@0:     $variables = [];
Chris@0:     $plugin = $block->getPlugin();
Chris@0:     $variables['elements']['#configuration'] = $plugin->getConfiguration();
Chris@0:     $variables['elements']['#plugin_id'] = $plugin->getPluginId();
Chris@0:     $variables['elements']['#id'] = $block->id();
Chris@0:     $variables['elements']['#base_plugin_id'] = $plugin->getBaseId();
Chris@0:     $variables['elements']['#derivative_plugin_id'] = $plugin->getDerivativeId();
Chris@0:     $variables['elements']['content'] = [];
Chris@0:     $suggestions = block_theme_suggestions_block($variables);
Chris@0:     $this->assertEqual($suggestions, ['block__system', 'block__system_menu_block', 'block__system_menu_block__admin', 'block__machinename']);
Chris@0:   }
Chris@0: 
Chris@0: }