code: def test_get_dot_git(
      emptycase=None, gitdircase=None, barecase=None, gitfilecase=None
  ):
      emptycase = Path(emptycase)
      gitdircase = Path(gitdircase)
      barecase = Path(barecase)
      gitfilecase = Path(gitfilecase)
  
      # the test is not actually testing resolving (we can trust that)
      # but it is exercising the internal code paths involved in it
      for r in (True, False):
          assert_raises(
              RuntimeError, _get_dot_git, emptycase, resolved=r
          )
          eq_(
              _get_dot_git(emptycase, ok_missing=True, resolved=r),
              emptycase / ".git",
          )
  
          eq_(
              _get_dot_git(gitdircase, resolved=r),
              (gitdircase.resolve() if r else gitdircase) / ".git",
          )
  
          eq_(
              _get_dot_git(barecase, resolved=r),
              barecase.resolve() if r else barecase,
          )
  
          eq_(
              _get_dot_git(gitfilecase, resolved=r),
              (gitfilecase.resolve() if r else gitfilecase) / "subdir",
          )
  
imports: import logging
  import os
  import os.path
  import sys
  from datalad.dataset.gitrepo import GitRepo, _get_dot_git
  from datalad.support.exceptions import CommandError, PathKnownToRepositoryError
  from datalad.tests.utils_pytest import SkipTest, assert_cwd_unchanged, assert_equal, assert_false, assert_in, assert_is_instance, assert_not_in, assert_raises, eq_, neq_, ok_, swallow_logs, with_tempfile, with_tree
  from datalad.utils import Path, chpwd
label_desc: Use image node_id 10 for calling a global function with example usage: test_get_dot_git(emptycase, gitdircase, barecase, gitfilecase) without return types