code: def test_tranform_cut_coords(affine_eye):
      # test that when n_cuts is 1 we do get an iterable
      for direction in "xyz":
          assert hasattr(
              _transform_cut_coords([4], direction, affine_eye),
              "__iter__",
          )
  
      # test that n_cuts after as before function call
      n_cuts = 5
      cut_coords = np.arange(n_cuts)
      for direction in "xyz":
          assert (
              len(
                  _transform_cut_coords(
                      cut_coords, direction, affine_eye
                  )
              )
              == n_cuts
          )
  
file_path: nilearn/nilearn/plotting/tests/test_find_cuts.py
imports: import nibabel
  import numpy
  import pytest
  from nilearn.masking import compute_epi_mask
  from nilearn.plotting.find_cuts import _transform_cut_coords, find_cut_slices, find_parcellation_cut_coords, find_probabilistic_atlas_cut_coords, find_xyz_cut_coords
label_desc: Use image node_id 6 for calling a global function with example usage: test_tranform_cut_coords(affine_eye) without return types