LanguageDependencyInjectionTest.php in Drupal 9

Namespace

Drupal\Tests\language\Kernel

File

core/modules/language/tests/src/Kernel/LanguageDependencyInjectionTest.php

<?php

namespace Drupal\Tests\language\Kernel;

use Drupal\language\Entity\ConfigurableLanguage;
use Drupal\language\Exception\DeleteDefaultLanguageException;

/**
 * Compares the default language from $GLOBALS against the dependency injected
 * language object.
 *
 * @group language
 */
class LanguageDependencyInjectionTest extends LanguageTestBase {

  /**
   * Tests dependency injected languages against a new Language object.
   *
   * @see \Drupal\Core\Language\LanguageInterface
   */
  public function testDependencyInjectedNewLanguage() {
    $expected = $this->languageManager
      ->getDefaultLanguage();
    $result = $this->languageManager
      ->getCurrentLanguage();
    $this
      ->assertSame($expected, $result);
  }

  /**
   * Tests dependency injected Language object.
   *
   * @see \Drupal\Core\Language\Language
   */
  public function testDependencyInjectedNewDefaultLanguage() {
    $default_language = ConfigurableLanguage::load(\Drupal::languageManager()
      ->getDefaultLanguage()
      ->getId());

    // Change the language default object to different values.
    $fr = ConfigurableLanguage::createFromLangcode('fr');
    $fr
      ->save();
    $this
      ->config('system.site')
      ->set('default_langcode', 'fr')
      ->save();

    // The language system creates a Language object which contains the
    // same properties as the new default language object.
    $result = \Drupal::languageManager()
      ->getCurrentLanguage();
    $this
      ->assertSame('fr', $result
      ->getId());

    // Delete the language to check that we fallback to the default.
    try {
      $fr
        ->delete();
      $this
        ->fail('Expected DeleteDefaultLanguageException thrown.');
    } catch (DeleteDefaultLanguageException $e) {

      // Expected exception; just continue testing.
    }

    // Re-save the previous default language and the delete should work.
    $this
      ->config('system.site')
      ->set('default_langcode', $default_language
      ->getId())
      ->save();
    $fr
      ->delete();
    $result = \Drupal::languageManager()
      ->getCurrentLanguage();
    $this
      ->assertSame($default_language
      ->getId(), $result
      ->getId());
  }

}

Classes

Name	Description
LanguageDependencyInjectionTest	Compares the default language from $GLOBALS against the dependency injected language object.