code: def test_import_dir(
      self, tmp_dir, dvc, workspace, stage_md5, dir_md5
  ):
      from dvc.cachemgr import CacheManager
  
      workspace.gen(
          {"dir": {"file": "file", "subdir": {"subfile": "subfile"}}}
      )
  
      # remove external cache to make sure that we don't need it
      # to import dirs
      with dvc.config.edit() as conf:
          del conf["cache"]
      dvc.cache = CacheManager(dvc)
  
      assert not (tmp_dir / "dir").exists()  # sanity check
      dvc.imp_url("remote://workspace/dir")
      assert set(os.listdir(tmp_dir / "dir")) == {"file", "subdir"}
      assert (tmp_dir / "dir" / "file").read_text() == "file"
      assert list(os.listdir(tmp_dir / "dir" / "subdir")) == ["subfile"]
      assert (
          tmp_dir / "dir" / "subdir" / "subfile"
      ).read_text() == "subfile"
  
      assert dvc.status() == {}
  
      if stage_md5 is not None and dir_md5 is not None:
          assert (tmp_dir / "dir.dvc").read_text() == (
              f"md5: {stage_md5}\n"
              "frozen: true\n"
              "deps:\n"
              f"- md5: {dir_md5}\n"
              "  size: 11\n"
              "  nfiles: 2\n"
              "  hash: md5\n"
              "  path: remote://workspace/dir\n"
              "outs:\n"
              "- md5: b6dcab6ccd17ca0a8bf4a215a37d14cc.dir\n"
              "  size: 11\n"
              "  nfiles: 2\n"
              "  hash: md5\n"
              "  path: dir\n"
          )
  
imports: import os
  from typing import Dict, Union
  import pytest
  from funcy import first
  from dvc.exceptions import URLMissingError
  from dvc.repo import Repo
  from dvc.repo.ls_url import ls_url, parse_external_url
  from dvc.utils.fs import remove
label_desc: Use image node_id 4 for calling the TestImport obj's underlying member method code with example usage: obj.test_import_dir(tmp_dir, dvc, workspace, stage_md5, dir_md5) without return types