class LanguageSelectorTranslatableTest

class LanguageSelectorTranslatableTest extends BrowserTestBase {
  use LanguageTestTrait;

  /**
   * Modules to enable.
   *
   * @var array
   */
  protected static $modules = [
    'language',
    'content_translation',
    'node',
    'comment',
    'field_ui',
    'entity_test',
    'locale',
  ];

  /**
   * {@inheritdoc}
   */
  protected $defaultTheme = 'stark';

  /**
   * The user with administrator privileges.
   *
   * @var \Drupal\user\Entity\User
   */
  public $administrator;

  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();

    // Create user and set permissions.
    $this->administrator = $this
      ->drupalCreateUser($this
      ->getAdministratorPermissions(), 'administrator');
    $this
      ->drupalLogin($this->administrator);
  }

  /**
   * Returns an array of permissions needed for the translator.
   */
  protected function getAdministratorPermissions() {
    return array_filter([
      'translate interface',
      'administer content translation',
      'create content translations',
      'update content translations',
      'delete content translations',
      'administer languages',
    ]);
  }

  /**
   * Tests content translation language selectors are correctly translated.
   */
  public function testLanguageStringSelector() {

    // Add another language.
    static::createLanguageFromLangcode('es');

    // Translate the string English in Spanish (Inglés). Override config entity.
    $name_translation = 'Inglés';
    \Drupal::languageManager()
      ->getLanguageConfigOverride('es', 'language.entity.en')
      ->set('label', $name_translation)
      ->save();

    // Check content translation overview selector.
    $path = 'es/admin/config/regional/content-language';
    $this
      ->drupalGet($path);

    // Get en language from selector.
    $option = $this
      ->assertSession()
      ->optionExists('edit-settings-user-user-settings-language-langcode', 'en');

    // Check that the language text is translated.
    $this
      ->assertSame($name_translation, $option
      ->getText());
  }

  /**
   * Tests that correct title is displayed for content translation page.
   */
  public function testContentTranslationPageTitle() {
    $this
      ->drupalGet('admin/config/regional/content-language');
    $this
      ->assertSession()
      ->pageTextContains('Content language and translation');
    $this
      ->assertSession()
      ->pageTextNotMatches('#Content language$#');
    \Drupal::service('module_installer')
      ->uninstall([
      'content_translation',
    ]);
    $this
      ->drupalGet('admin/config/regional/content-language');
    $this
      ->assertSession()
      ->pageTextContains('Content language');
    $this
      ->assertSession()
      ->pageTextNotContains('Content language and translation');
  }

}