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<?php
declare(strict_types=1);
namespace Doctrine\DBAL\Tests\Functional\Connection;
use Doctrine\DBAL\Exception\ConnectionLost;
use Doctrine\DBAL\Platforms\AbstractMySQLPlatform;
use Doctrine\DBAL\Tests\FunctionalTestCase;
use function sleep;
class ConnectionLostTest extends FunctionalTestCase
{
protected function setUp(): void
{
if ($this->connection->getDatabasePlatform() instanceof AbstractMySQLPlatform) {
return;
}
self::markTestSkipped('Currently only supported with MySQL');
}
public function testConnectionLost(): void
{
$this->connection->executeStatement('SET SESSION wait_timeout=1');
sleep(2);
$query = $this->connection->getDatabasePlatform()
->getDummySelectSQL();
try {
// in addition to the error, MYSQLI_REPORT_OFF will generate a warning that needs to be
// suppressed in order to not let PHPUnit handle it before the actual error
@$this->connection->executeQuery($query);
} catch (ConnectionLost) {
self::assertEquals(1, $this->connection->fetchOne($query));
return;
}
self::fail('The connection should have lost');
}
}
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