InstallerLanguageTest.php

<?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;

/**
 * Tests for installer language support.
 *
 * @group Installer
 */
class InstallerLanguageTest extends KernelTestBase {
    
    /**
     * Tests that the installer can find translation files.
     */
    public function testInstallerTranslationFiles() {
        // Different translation files would be found depending on which language
        // we are looking for.
        $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' => [],
        ];
        // Hardcode the fixtures location as we don't yet know where it is.
        // @todo Remove as part of https://www.drupal.org/node/2186491
        $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,
                ]));
            }
        }
    }
    
    /**
     * Tests profile info caching in non-English languages.
     */
    public function testInstallerTranslationCache() {
        require_once 'core/includes/install.inc';
        // Prime the \Drupal\Core\Extension\ExtensionList::getPathname() static
        // cache with the location of the testing profile as it isn't the currently
        // active profile and we don't yet have any cached way to retrieve its
        // location.
        // @todo Remove as part of https://www.drupal.org/node/2186491
        $profile_list = \Drupal::service('extension.list.profile');
        assert($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.');
    }

}