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  <?php
namespace Drupal\KernelTests\Core\Installer;
use Drupal\Component\Render\FormattableMarkup;
use Drupal\Core\Extension\ProfileExtensionList;
use Drupal\Core\StringTranslation\Translator\FileTranslation;
use Drupal\KernelTests\KernelTestBase;
class InstallerLanguageTest extends KernelTestBase {
  
  public function testInstallerTranslationFiles() {
    
    $expected_translation_files = [
      NULL => [
        'drupal-8.0.0-beta2.hu.po',
        'drupal-8.0.0.de.po',
        'drupal-8.0.x.fr-CA.po',
      ],
      'de' => [
        'drupal-8.0.0.de.po',
      ],
      'fr-CA' => [
        'drupal-8.0.x.fr-CA.po',
      ],
      'hu' => [
        'drupal-8.0.0-beta2.hu.po',
      ],
      'it' => [],
    ];
    
    $file_translation = new FileTranslation('core/tests/fixtures/files/translations', $this->container
      ->get('file_system'));
    foreach ($expected_translation_files as $langcode => $files_expected) {
      $files_found = $file_translation
        ->findTranslationFiles($langcode);
      $this
        ->assertSameSize($files_expected, $files_found, new FormattableMarkup('@count installer languages found.', [
        '@count' => count($files_expected),
      ]));
      foreach ($files_found as $file) {
        $this
          ->assertContains($file->filename, $files_expected, new FormattableMarkup('@file found.', [
          '@file' => $file->filename,
        ]));
      }
    }
  }
  
  public function testInstallerTranslationCache() {
    require_once 'core/includes/install.inc';
    
    $profile_list = \Drupal::service('extension.list.profile');
    assert($profile_list instanceof ProfileExtensionList);
    $profile_list
      ->setPathname('testing', 'core/profiles/testing/testing.info.yml');
    $info_en = install_profile_info('testing', 'en');
    $info_nl = install_profile_info('testing', 'nl');
    $this
      ->assertNotContains('locale', $info_en['install'], 'Locale is not set when installing in English.');
    $this
      ->assertContains('locale', $info_nl['install'], 'Locale is set when installing in Dutch.');
  }
}