ModuleHandlerTest.php

<?php

declare (strict_types=1);
namespace Drupal\KernelTests\Core\Extension;

use Drupal\Core\Extension\Exception\UnknownExtensionException;
use Drupal\KernelTests\KernelTestBase;

/**
 * @coversDefaultClass \Drupal\Core\Extension\ModuleHandler
 *
 * @group Extension
 */
class ModuleHandlerTest extends KernelTestBase {
  
  /**
   * Tests requesting the name of an invalid module.
   *
   * @covers ::getName
   */
  public function testInvalidGetName() : void {
    $this->expectException(UnknownExtensionException::class);
    $this->expectExceptionMessage('The module module_nonsense does not exist.');
    $module_handler = $this->container
      ->get('module_handler');
    $module_handler->getModule('module_nonsense');
  }
  
  /**
   * Tests deprecation of getName() function.
   *
   * @group legacy
   */
  public function testGetNameDeprecation() : void {
    $this->expectDeprecation('Drupal\\Core\\Extension\\ModuleHandler::getName() is deprecated in drupal:10.3.0 and is removed from drupal:12.0.0. Use \\Drupal\\Core\\Extension\\ModuleExtensionList::getName($module) instead. See https://www.drupal.org/node/3310017');
    $this->assertNotNull(\Drupal::service('module_handler')->getName('module_test'));
  }

}