code: def test_cached_assets_path_parent_is_a_file(self) -> None:
      expected_path = (
          self.cache_dir / "datasets" / "default" / "default"
      )
      expected_path.parent.parent.mkdir(parents=True)
      expected_path.parent.touch()  # cannot create folder as a parent is a file !
  
      with self.assertRaises(ValueError):
          cached_assets_path(
              library_name="datasets", assets_dir=self.cache_dir
          )
  
file_path: huggingface_hub/tests/test_utils_assets.py
imports: import unittest
  from pathlib import Path
  from unittest.mock import patch
  import pytest
  from huggingface_hub import cached_assets_path
label_desc: Use image node_id 8 for calling the CacheAssetsTest obj's underlying member method code with example usage: obj.test_cached_assets_path_parent_is_a_file() without return types