ComponentPluginManagerTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\Core\Theme\Component;

use Drupal\Core\Render\Component\Exception\ComponentNotFoundException;

/**
 * Tests the component plugin manager.
 *
 * @group sdc
 */
class ComponentPluginManagerTest extends ComponentKernelTestBase {
  
  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'system',
    'sdc_test',
    'sdc_test_replacements',
  ];
  
  /**
   * {@inheritdoc}
   */
  protected static $themes = [
    'sdc_theme_test',
  ];
  
  /**
   * Test that components render correctly.
   */
  public function testFindEmptyMetadataFile() : void {
    // Test that empty component metadata files are valid, since there is no
    // required property.
    $this->assertNotEmpty($this->manager
      ->find('sdc_theme_test:bar'));
    // Test that if the folder name does not match the machine name, the
    // component is still available.
    $this->assertNotEmpty($this->manager
      ->find('sdc_theme_test:foo'));
  }
  
  /**
   * Test that the machine name is grabbed from the *.component.yml.
   *
   * And not from the enclosing directory.
   */
  public function testMismatchingFolderName() : void {
    $this->expectException(ComponentNotFoundException::class);
    $this->manager
      ->find('sdc_theme_test:mismatching-folder-name');
  }

}