def test_insert_file(self):
     try:
         fo = FileObject("test_file", temporary=True)
         do = DirectoryObject("test_dir", temporary=True)
         do.insert(0, fo)
         if fo.parent != do or do.index(fo) is None:
             raise Exception("Parent hasn't been set")
     except Exception as exc:
         traceback.print_exc()
         self.fail(exc)
 def test_insert_dir(self):
     try:
         do1 = DirectoryObject("test_dir1", temporary=True)
         do2 = DirectoryObject("test_dir2", temporary=True)
         do2.insert(0, do1)
         if do1.parent != do2 or do2.index(do1) is None:
             raise Exception("Parent hasn't been set")
     except Exception as exc:
         traceback.print_exc()
         self.fail(exc)