cleanDir example

use Symfony\Component\HttpKernel\Profiler\Profile;

class FileProfilerStorageTest extends TestCase
{
    private string $tmpDir;
    private FileProfilerStorage $storage;

    protected function setUp(): void
    {
        $this->tmpDir = sys_get_temp_dir().'/sf_profiler_file_storage';
        if (is_dir($this->tmpDir)) {
            self::cleanDir();
        }
        $this->storage = new FileProfilerStorage('file:'.$this->tmpDir);
        $this->storage->purge();
    }

    protected function tearDown(): void
    {
        self::cleanDir();
    }

    public function testStore()
    {