SerializeQueryTest.php

<?php

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

use PHPUnit\Framework\Attributes\Group;
use PHPUnit\Framework\Attributes\RunTestsInSeparateProcesses;

/**
 * Tests serializing and unserializing a query.
 */
class SerializeQueryTest extends DatabaseTestBase {
  
  /**
   * Confirms that a query cannot be serialized.
   */
  public function testSerializeQuery() : void {
    $query = $this->connection
      ->select('test');
    $this->expectException(\LogicException::class);
    $this->expectExceptionMessage('Database query objects are not serializable');
    serialize($query);
  }
  
  /**
   * Confirms that a query cannot be unserialized.
   */
  public function testUnserializeQuery() : void {
    $class = get_class($this->connection
      ->select('test'));
    $this->expectException(\LogicException::class);
    $this->expectExceptionMessage('Database query objects cannot be unserialized');
    unserialize(sprintf('O:%d:"%s":0:{}', strlen($class), $class));
  }

}