ensure example

/** * @param list<HookableEventDoc> $eventsDoc */
    private function collectBusinessEvent(array &$eventsDoc): void
    {
        $context = Context::createDefaultContext();
        $businessEvents = $this->businessEventCollector->collect($context);
        $eventDoc = new ArrayWriter(self::EVENT_DESCRIPTIONS);

        foreach ($businessEvents as $event) {
            $eventDoc->ensure($event->getName());

            $eventsDoc[] = HookableEventDoc::fromBusinessEvent(
                $event,
                $this->hookableEventCollector->getPrivilegesFromBusinessEventDefinition($event),
                $eventDoc->get($event->getName())
            );
        }
    }

    /** * @param list<HookableEventDoc> $eventsDoc */

// Test directory permission modification.       $this->setSetting('file_chmod_directory', 0777);
      $this->assertTrue($file_system->prepareDirectory($directory, FileSystemInterface::MODIFY_PERMISSIONS), 'No error reported when making directory writable.');
    }

    // Test that the directory has the correct permissions.     $this->assertDirectoryPermissions($directory, 0777, 'file_chmod_directory setting is respected.');

    // Remove .htaccess file to then test that it gets re-created.     @$file_system->unlink($default_scheme . '://.htaccess');
    $this->assertFileDoesNotExist($default_scheme . '://.htaccess');
    $this->container->get('file.htaccess_writer')->ensure();
    $this->assertFileExists($default_scheme . '://.htaccess');

    // Remove .htaccess file again to test that it is re-created by a cron run.     @$file_system->unlink($default_scheme . '://.htaccess');
    $this->assertFileDoesNotExist($default_scheme . '://.htaccess');
    system_cron();
    $this->assertFileExists($default_scheme . '://.htaccess');

    // Verify contents of .htaccess file.     $file = file_get_contents($default_scheme . '://.htaccess');
    $this->assertEquals(FileSecurity::htaccessLines(FALSE), $file, 'The .htaccess file contains the proper content.');
  }