ConfigurableLanguageManagerTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\language\Kernel;

use Drupal\Core\Language\LanguageInterface;
use Drupal\Core\Url;

/**
 * Tests the ConfigurableLanguage entity.
 *
 * @group language
 * @coversDefaultClass \Drupal\language\ConfigurableLanguageManager
 */
class ConfigurableLanguageManagerTest extends LanguageTestBase {
  
  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'user',
  ];
  
  /**
   * The language negotiator.
   *
   * @var \Drupal\language\LanguageNegotiatorInterface
   */
  protected $languageNegotiator;
  
  /**
   * The language manager.
   *
   * @var \Drupal\language\ConfigurableLanguageManagerInterface
   */
  protected $languageManager;
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this->installEntitySchema('user');
    $this->languageNegotiator = $this->container
      ->get('language_negotiator');
    $this->languageManager = $this->container
      ->get('language_manager');
  }
  
  /**
   * @covers ::getLanguageSwitchLinks
   */
  public function testLanguageSwitchLinks() : void {
    $this->languageNegotiator
      ->setCurrentUser($this->prophesize('Drupal\\Core\\Session\\AccountInterface')
      ->reveal());
    $this->languageManager
      ->getLanguageSwitchLinks(LanguageInterface::TYPE_INTERFACE, new Url('<current>'));
  }

}