Ouzo\Utilities\Files::size PHP Метод

    public static function size($path)
    {
        return (int) self::exists($path) ? filesize($path) : 0;
    }

 /**
  * @test
  */
 public function shouldReturnFileSize()
 {
     //given
     $filePath = Path::joinWithTemp('files_test');
     file_put_contents($filePath, 'test');
     //when
     $size = Files::size($filePath);
     //then
     $this->assertEquals(4, $size);
 }