trait LanguageTestTrait

trait LanguageTestTrait {
    
    /**
     * Creates a configurable language object from a langcode.
     *
     * @param string $langcode
     *   The language code to use to create the object.
     *
     * @return \Drupal\Core\Language\ConfigurableLanguageInterface
     *   The created language.
     *
     * @see \Drupal\Core\Language\LanguageManager::getStandardLanguageList()
     */
    public static function createLanguageFromLangcode(string $langcode) : ConfigurableLanguageInterface {
        $configurable_language = ConfigurableLanguage::createFromLangcode($langcode);
        $configurable_language->save();
        return $configurable_language;
    }
    
    /**
     * Enables translations for the given entity type bundle.
     *
     * @param string $entity_type_id
     *   The ID of the entity type.
     * @param string $bundle
     *   The bundle name.
     * @param string|null $default_langcode
     *   The language code to use as the default language.
     *
     * @return \Drupal\language\ContentLanguageSettingsInterface
     *   The saved content language config entity.
     */
    public static function enableBundleTranslation(string $entity_type_id, string $bundle, ?string $default_langcode = LanguageInterface::LANGCODE_SITE_DEFAULT) : ContentLanguageSettingsInterface {
        $content_language_settings = ContentLanguageSettings::loadByEntityTypeBundle($entity_type_id, $bundle)->setDefaultLangcode($default_langcode)
            ->setLanguageAlterable(TRUE);
        $content_language_settings->save();
        return $content_language_settings;
    }
    
    /**
     * Disables translations for the given entity type bundle.
     *
     * @param string $entity_type_id
     *   The ID of the entity type.
     * @param string $bundle
     *   The bundle name.
     */
    public static function disableBundleTranslation(string $entity_type_id, string $bundle) : void {
        // @todo Move to API call when it exists, to be added at
        // https://www.drupal.org/project/drupal/issues/3408046
        $content_language_settings = ContentLanguageSettings::loadByEntityTypeBundle($entity_type_id, $bundle);
        $content_language_settings->setLanguageAlterable(FALSE)
            ->save();
        $content_language_settings->delete();
    }
    
    /**
     * Sets and saves a given field instance translation status.
     *
     * @param string $entity_type_id
     *   The ID of the entity type.
     * @param string $bundle
     *   The bundle name.
     * @param string $field_name
     *   The name of the field.
     * @param bool $status
     *   Whether the field should be translatable or not.
     */
    public static function setFieldTranslatable(string $entity_type_id, string $bundle, string $field_name, bool $status) : void {
        FieldConfig::loadByName($entity_type_id, $bundle, $field_name)->setTranslatable($status)
            ->save();
    }

}