code: def test_copyfallback(_temp_analyze_files):
      if os.name != "posix":
          return
      orig_img, orig_hdr = _temp_analyze_files
      pth, imgname = os.path.split(orig_img)
      pth, hdrname = os.path.split(orig_hdr)
      try:
          fatfs = TempFATFS()
      except OSError:
          raise SkipTest(
              "Fuse mount failed. copyfile fallback tests skipped."
          )
  
      with fatfs as fatdir:
          tgt_img = os.path.join(fatdir, imgname)
          tgt_hdr = os.path.join(fatdir, hdrname)
          for copy in (True, False):
              for use_hardlink in (True, False):
                  copyfile(
                      orig_img,
                      tgt_img,
                      copy=copy,
                      use_hardlink=use_hardlink,
                  )
                  assert os.path.exists(tgt_img)
                  assert os.path.exists(tgt_hdr)
                  assert not os.path.islink(tgt_img)
                  assert not os.path.islink(tgt_hdr)
                  assert not os.path.samefile(orig_img, tgt_img)
                  assert not os.path.samefile(orig_hdr, tgt_hdr)
                  os.unlink(tgt_img)
                  os.unlink(tgt_hdr)
  
imports: import os
  import time
  from pathlib import Path
  from unittest import mock, SkipTest
  import pytest
  from ...testing import TempFATFS
  from ...utils.filemanip import save_json, load_json, fname_presuffix, fnames_presuffix, hash_rename, check_forhash, _parse_mount_table, _cifs_table, on_cifs, copyfile, copyfiles, ensure_list, simplify_list, check_depends, split_filename, get_related_files, indirectory, loadpkl, loadcrash, savepkl, path_resolve, write_rst_list, emptydirs
label_desc: Use image node_id 14 for calling a global function with example usage: test_copyfallback(_temp_analyze_files) without return types