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 *   Form classes are internal and should not be used by external code.
 */
final class UpdateReady extends UpdateFormBase {

  public function __construct(
    private readonly ExtensionUpdateSandboxManager $sandboxManager,
    MessengerInterface $messenger,
    private readonly StateInterface $state,
    private readonly ModuleExtensionList $moduleList,

  path: '/admin/automatic-update-extensions-ready/{stage_id}'
  defaults:
    _form: '\Drupal\automatic_updates_extensions\Form\UpdateReady'
    _title: 'Ready to update'
  requirements:
    _permission: 'administer software updates'
  options:
    _admin_route: TRUE
    _maintenance_access: TRUE

 *   Form classes are internal and the form structure may change at any time.
 */
final class UpdateReady extends UpdateFormBase {

  public function __construct(
    private readonly UpdateSandboxManager $sandboxManager,
    private readonly StateInterface $state,
    private readonly RendererInterface $renderer,
    private readonly EventDispatcherInterface $eventDispatcher,

   *    https://www.drupal.org/i/3267817.
   *
   * @see \Drupal\update\Form\UpdateReady::submitForm()
   * @see automatic_updates_batch_alter()
   */
  public static function dbUpdateBatchFinished(bool $success, array $results, array $operations): void {
    // Run status checks after database updates are completed to ensure that
    // PendingUpdatesValidator does not report any errors.
    // @see \Drupal\package_manager\Validator\PendingUpdatesValidator

    $page = $session->getPage();
    $assert_session = $mink->assertSession();
    $this->coreUpdateTillUpdateReady($page);
    $page->pressButton('Continue');
    $this->waitForBatchJob();
    $assert_session->addressEquals('/admin/reports/updates');
    $assert_session->pageTextContains('Update complete!');
    $assert_session->pageTextContains('Up to date');
    $assert_session->pageTextNotContains('There is a security update available for your version of Drupal.');

    $page = $session->getPage();
    $assert_session = $mink->assertSession();
    $this->coreUpdateTillUpdateReady($page);
    $this->visit('/admin/reports/status');
    $assert_session->pageTextContains('Your site is ready for automatic updates.');
    $page->clickLink('Run cron');
    // The stage will first destroy the stage made above before going through
    // stage lifecycle events for the cron update.
    $expected_events = [

   *   The page element.
   */
  private function coreUpdateTillUpdateReady(DocumentElement $page): void {
    $session = $this->getMink()->getSession();
    $this->visit('/admin/modules');
    $assert_session = $this->getMink()->assertSession($session);
    $assert_session->pageTextContains('There is a security update available for your version of Drupal.');
    $page->clickLink('Update');

    $this->checkForMetaRefresh();
    $this->assertUpdateStagedTimes(1);
    $this->assertUpdateReady('9.8.1');
    // Simulate a staged database update in the automatic_updates_test module.
    // We must do this after the update has started, because the pending updates
    // validator will prevent an update from starting.
    $state->set('automatic_updates_test.new_update', TRUE);
    // The warning from the updater form should be repeated, and we should see
    // a warning about pending database updates. Once the staged changes have

   *   The target version of Drupal core.
   */
  protected function assertUpdateReady(string $target_version): void {
    $assert_session = $this->assertSession();
    $assert_session->addressMatches('/\/admin\/automatic-update-ready\/[a-zA-Z0-9_\-]+$/');
    $assert_session->pageTextContainsOnce('Drupal core will be updated to ' . $target_version);
    $button = $assert_session->buttonExists("Continue");
    $this->assertTrue($button->hasClass('button--primary'));
  }

    $page->pressButton('Update to 9.8.1');
    $this->checkForMetaRefresh();
    $this->assertUpdateReady('9.8.1');
    $page->pressButton('Continue');
    $this->checkForMetaRefresh();
    $assert_session->pageTextContains('Update complete!');

    // The warning should not be visible anymore.
    $this->drupalGet('/admin/structure');

    $this->checkForMetaRefresh();
    $this->assertUpdateStagedTimes(1);
    $this->assertUpdateReady('9.8.1');
    // Confirm if the staged directory is deleted without using destroy(), then
    // an error message will be displayed on the page.
    // @see \Drupal\package_manager\Stage::getStagingRoot()
    /** @var \Drupal\Core\File\FileSystemInterface $file_system */
    $file_system = $this->container->get('file_system');
    $dir = $file_system->getTempDirectory() . '/.package_manager' . $this->config('system.site')->get('uuid');

    $page->pressButton('Update to 9.8.1');
    $this->checkForMetaRefresh();
    $this->assertUpdateReady('9.8.1');
    $sandbox_manager = $this->container->get(UpdateSandboxManager::class);
    $random_message = $this->randomString();
    // @see \Drupal\Tests\package_manager\Kernel\StageTest::testStoreDestroyInfo()
    // @see \Drupal\automatic_updates\CronUpdateRunner::performUpdate()
    $sandbox_manager->destroy(TRUE, t($random_message));
    $this->checkForMetaRefresh();

    $this->checkForMetaRefresh();
    $this->assertUpdateStagedTimes(1);
    $this->assertUpdateReady('9.8.1');
    // Confirm that the site was put into maintenance mode if needed.
    $this->assertMaintenanceMode($maintenance_mode_on);
    $page->pressButton('Continue');
    $this->checkForMetaRefresh();
    $assert_session->addressEquals('/admin/reports/updates');
    $assert_session->pageTextNotContains($cached_message->render());

    $page->pressButton('Update');
    $this->checkForMetaRefresh();
    $this->assertUpdateReady('9.8.2');
    $assert_session->buttonExists('Continue');
    $url = $this->getSession()->getCurrentUrl();

    // Another user cannot show up and try to start an update, since the other
    // user already started one.
    $this->drupalLogin($user_2);

    $this->checkForMetaRefresh();
    $this->assertUpdateStagedTimes(1);
    $this->assertUpdateReady('9.8.1');
    // Set an error before completing the update. This error should be visible
    // on admin pages after completing the update without having to explicitly
    // run the status checks.
    TestSubscriber1::setTestResult([ValidationResult::createError([t('Error before continue.')])], StatusCheckEvent::class);
    if ($has_database_updates) {
      // Simulate a staged database update in the automatic_updates_test module.

    // Confirm we are on the confirmation page.
    $this->assertUpdateReady('9.8.1');
    $assert_session->buttonExists('Continue');

    // If we try to return to the start page, we should be redirected back to
    // the confirmation page.
    $this->drupalGet('/admin/reports/updates/update');
    $this->assertUpdateReady('9.8.1');

    // Delete the existing update.
    $page->pressButton('Cancel update');
    $assert_session->addressEquals('/admin/reports/updates/update');
    $assert_session->pageTextContains($cancelled_message);
    $assert_session->pageTextNotContains($conflict_message);

    // Confirm we are on the confirmation page.
    $this->assertUpdateReady('9.8.1');
    $this->assertUpdateStagedTimes(2);
    $assert_session->buttonExists('Continue');

    // Log in as another administrative user and ensure that we cannot begin an
    // update because the previous session already started one.
    $account = $this->createUser([], NULL, TRUE);

    $page->pressButton('Update to 9.8.1');
    $this->checkForMetaRefresh();
    $this->assertUpdateReady('9.8.1');

    // Stop execution during pre-apply. This should make Package Manager think
    // the staged changes are being applied and raise an error if we try to
    // cancel the update.
    TestSubscriber1::setExit(PreApplyEvent::class);
    $page->pressButton('Continue');

    $page->pressButton('Update to 9.8.1');
    $this->checkForMetaRefresh();
    $this->assertUpdateReady('9.8.1');
    $page->pressButton('Continue');
    $this->checkForMetaRefresh();
    $page->clickLink('the error page');
    $page->pressButton('Cancel update');
    $assert_session->pageTextContains($cancelled_message);
  }

  path: '/admin/automatic-update-ready/{stage_id}'
  defaults:
    _form: '\Drupal\automatic_updates\Form\UpdateReady'
    _title: 'Ready to update'
  requirements:
    _permission: 'administer software updates'
  options:
    _maintenance_access: TRUE
    _automatic_updates_status_messages: skip