Issue #1832946 by Sutharsan, Jose Reyero, Gábor Hojtsy, Wim Leers, vijaycs85:...

 */

class LanguageNegotiationFormOverrideTest extends WebTestBase {

  public static $modules = array('language', 'locale');

  public static $modules = array('language', 'locale', 'locale_test');

  /**

   * Tests that overrides do not affect language-negotiation form values.

   *

   * @var array

   */

  public static $modules = array('locale', 'language', 'block', 'language_test', 'menu_ui');

  public static $modules = array('locale', 'locale_test', 'language', 'block', 'language_test', 'menu_ui');

  protected function setUp() {

    parent::setUp();

 *   - "status": Project status, 1 = enabled.

 */

function locale_translation_build_projects() {

  // This function depends on Update module. We degrade gracefully.

  if (!\Drupal::moduleHandler()->moduleExists('update')) {

    return array();

  }

  // Get the project list based on .info.yml files.

  $projects = locale_translation_project_list();

  $default_server = locale_translation_default_translation_server();

  // If project is a dev release, or core, find the latest available release.

  $project_updates = update_get_available(TRUE);

  foreach ($projects as $name => $data) {

    if (isset($project_updates[$name]['releases']) && $project_updates[$name]['project_status'] != 'not-fetched') {

      // Find out if a dev version is installed.

      if (preg_match("/^\d+\.x-(\d+)\..*-dev$/", $data['info']['version'], $matches) ||

          preg_match("/^(\d+)\.\d+\.\d+.*-dev$/", $data['info']['version'], $matches)) {

        // Find a suitable release to use as alternative translation.

        foreach ($project_updates[$name]['releases'] as $project_release) {

          // The first release with the same major release number which is not a

          // dev release is the one. Releases are sorted the most recent first.

          // For example the major release number for a contrib module

          // 8.x-2.x-dev is "2", for core 8.1.0-dev is "8".

          // @todo https://www.drupal.org/node/1774024 Make a helper function.

          if ($project_release['version_major'] == $matches[1] &&

              (!isset($project_release['version_extra']) || $project_release['version_extra'] != 'dev')) {

            $release = $project_release;

            break;

    // For dev releases, remove the '-dev' part and trust the translation server

    // to fall back to the latest stable release for that branch.

    if (isset($data['info']['version']) && strpos($data['info']['version'], '-dev')) {

      if (preg_match("/^(\d+\.x-\d+\.).*$/", $data['info']['version'], $matches)) {

        // Example matches: 8.x-1.x-dev, 8.x-1.0-alpha1+5-dev => 8.x-1.x

        $data['info']['version'] = $matches[1] . 'x';

      }

      elseif (preg_match("/^(\d+\.\d+\.).*$/", $data['info']['version'], $matches)) {

        // Example match: 8.0.0-dev => 8.0.x (Drupal core)

        $data['info']['version'] = $matches[1] . 'x';

      }

    }

      if (!empty($release['version'])) {

        $data['info']['version'] = $release['version'];

      }

      unset($release);

    }

    // For every project store information.

    $data += array(

      'name' => $name,

      'server_pattern' => isset($data['info']['interface translation server pattern']) && $data['info']['interface translation server pattern'] ? $data['info']['interface translation server pattern'] : $default_server['pattern'],

      'status' => !empty($data['project_status']) ? 1 : 0,

    );

    $project = (object) $data;

    $projects[$name] = $project;

function locale_translation_project_list() {

  $projects = &drupal_static(__FUNCTION__, array());

  if (empty($projects)) {

    module_load_include('compare.inc', 'update');

    $config = \Drupal::config('locale.settings');

    $projects = array();

    $additional_whitelist = array(

    $row_count = \Drupal::service('locale.project')->countProjects();

    // https://www.drupal.org/node/1777106 is a follow-up issue to make the

    // check for possible out-of-date project information more robust.

    if ($row_count == 0 && \Drupal::moduleHandler()->moduleExists('update')) {

    if ($row_count == 0) {

      module_load_include('compare.inc', 'locale');

      // At least the core project should be in the database, so we build the

      // data if none are found.

   * This method will produce debug information including the respective path(s)

   * based on this setting.

   *

   * Translations for development versions are never fetched, so the debug info

   * for that is a fixed message.

   *

   * @param array $project_info

   *   An array which is the project information of the source.

   *

    $remote_path = isset($project_info->files['remote']->uri) ? $project_info->files['remote']->uri : FALSE;

    $local_path = isset($project_info->files['local']->uri) ? $project_info->files['local']->uri : FALSE;

    if (strpos($project_info->version, 'dev') !== FALSE) {

      return $this->t('No translation files are provided for development releases.');

    }

    if (locale_translation_use_remote_source() && $remote_path && $local_path) {

      return $this->t('File not found at %remote_path nor at %local_path', array(

        '%remote_path' => $remote_path,