ConnectionTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\mysql\Kernel\mysql;

use Drupal\Core\Database\Database;
use Drupal\Core\Database\DatabaseExceptionWrapper;
use Drupal\KernelTests\Core\Database\DriverSpecificDatabaseTestBase;
use PHPUnit\Framework\Attributes\Group;
use PHPUnit\Framework\Attributes\RunTestsInSeparateProcesses;

/**
 * MySQL-specific connection tests.
 */
class ConnectionTest extends DriverSpecificDatabaseTestBase {
  
  /**
   * Ensure that you cannot execute multiple statements on MySQL.
   */
  public function testMultipleStatementsForNewPhp() : void {
    $this->expectException(DatabaseExceptionWrapper::class);
    Database::getConnection('default', 'default')->query('SELECT * FROM {test}; SELECT * FROM {test_people}', [], [
      'allow_delimiter_in_query' => TRUE,
    ]);
  }

}