code: def test_MRICoreg_inputs():
      input_map = dict(
          args=dict(
              argstr="%s",
          ),
          brute_force_limit=dict(
              argstr="--bf-lim %g",
              xor=["no_brute_force"],
          ),
          brute_force_samples=dict(
              argstr="--bf-nsamp %d",
              xor=["no_brute_force"],
          ),
          conform_reference=dict(
              argstr="--conf-ref",
          ),
          dof=dict(
              argstr="--dof %d",
          ),
          environ=dict(
              nohash=True,
              usedefault=True,
          ),
          ftol=dict(
              argstr="--ftol %e",
          ),
          initial_rotation=dict(
              argstr="--rot %g %g %g",
          ),
          initial_scale=dict(
              argstr="--scale %g %g %g",
          ),
          initial_shear=dict(
              argstr="--shear %g %g %g",
          ),
          initial_translation=dict(
              argstr="--trans %g %g %g",
          ),
          linmintol=dict(
              argstr="--linmintol %e",
          ),
          max_iters=dict(
              argstr="--nitersmax %d",
          ),
          no_brute_force=dict(
              argstr="--no-bf",
          ),
          no_coord_dithering=dict(
              argstr="--no-coord-dither",
          ),
          no_cras0=dict(
              argstr="--no-cras0",
          ),
          no_intensity_dithering=dict(
              argstr="--no-intensity-dither",
          ),
          no_smooth=dict(
              argstr="--no-smooth",
          ),
          num_threads=dict(
              argstr="--threads %d",
          ),
          out_lta_file=dict(
              argstr="--lta %s",
              usedefault=True,
          ),
          out_params_file=dict(
              argstr="--params %s",
          ),
          out_reg_file=dict(
              argstr="--regdat %s",
          ),
          ref_fwhm=dict(
              argstr="--ref-fwhm",
          ),
          reference_file=dict(
              argstr="--ref %s",
              copyfile=False,
              extensions=None,
              mandatory=True,
              xor=["subject_id"],
          ),
          reference_mask=dict(
              argstr="--ref-mask %s",
              position=2,
          ),
          saturation_threshold=dict(
              argstr="--sat %g",
          ),
          sep=dict(
              argstr="--sep %s...",
          ),
          source_file=dict(
              argstr="--mov %s",
              copyfile=False,
              extensions=None,
              mandatory=True,
          ),
          source_mask=dict(
              argstr="--mov-mask",
          ),
          source_oob=dict(
              argstr="--mov-oob",
          ),
          subject_id=dict(
              argstr="--s %s",
              mandatory=True,
              position=1,
              requires=["subjects_dir"],
              xor=["reference_file"],
          ),
          subjects_dir=dict(
              argstr="--sd %s",
          ),
      )
      inputs = MRICoreg.input_spec()
  
      for key, metadata in list(input_map.items()):
          for metakey, value in list(metadata.items()):
              assert getattr(inputs.traits()[key], metakey) == value
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_MRICoreg_inputs() without return types