code: def test_init_objectstoragepath(self):
      path = ObjectStoragePath("file://bucket/key/part1/part2")
      assert path.bucket == "bucket"
      assert path.key == "key/part1/part2"
      assert path.protocol == "file"
      assert path.path == "bucket/key/part1/part2"
  
      path2 = ObjectStoragePath(path / "part3")
      assert path2.bucket == "bucket"
      assert path2.key == "key/part1/part2/part3"
      assert path2.protocol == "file"
      assert path2.path == "bucket/key/part1/part2/part3"
  
      path3 = ObjectStoragePath(path2 / "2023")
      assert path3.bucket == "bucket"
      assert path3.key == "key/part1/part2/part3/2023"
      assert path3.protocol == "file"
      assert path3.path == "bucket/key/part1/part2/part3/2023"
  
imports: from __future__ import annotations
  import uuid
  from stat import S_ISDIR, S_ISREG
  from tempfile import NamedTemporaryFile
  from unittest import mock
  import pytest
  from fsspec.implementations.local import LocalFileSystem
  from fsspec.utils import stringify_path
  from airflow.io import _register_filesystems, get_fs
  from airflow.io.path import ObjectStoragePath
  from airflow.io.store import _STORE_CACHE, ObjectStore, attach
  from airflow.utils.module_loading import qualname
label_desc: Use image node_id 4 for calling the TestFs obj's underlying member method code with example usage: obj.test_init_objectstoragepath() without return types