FileStorageFactoryTest.php

<?php

declare (strict_types=1);
namespace Drupal\KernelTests\Core\Config;

use Drupal\Core\Config\ConfigDirectoryNotDefinedException;
use Drupal\Core\Config\FileStorage;
use Drupal\Core\Config\FileStorageFactory;
use Drupal\Core\Site\Settings;
use Drupal\KernelTests\KernelTestBase;

/**
 * @coversDefaultClass \Drupal\Core\Config\FileStorageFactory
 * @group config
 */
class FileStorageFactoryTest extends KernelTestBase {
    
    /**
     * @covers ::getSync
     */
    public function testGetSync() : void {
        // Write some random data to the sync storage.
        $name = $this->randomMachineName();
        $data = (array) $this->getRandomGenerator()
            ->object();
        $storage = new FileStorage(Settings::get('config_sync_directory'));
        $storage->write($name, $data);
        // Get the sync storage and read from it.
        $sync = FileStorageFactory::getSync();
        $this->assertEquals($data, $sync->read($name));
        // Unset the sync directory setting.
        $settings = Settings::getInstance() ? Settings::getAll() : [];
        unset($settings['config_sync_directory']);
        new Settings($settings);
        // On an empty settings there is an exception thrown.
        $this->expectException(ConfigDirectoryNotDefinedException::class);
        $this->expectExceptionMessage('The config sync directory is not defined in $settings["config_sync_directory"]');
        FileStorageFactory::getSync();
    }

}