code: def test_MRIsConvert_inputs():
      input_map = dict(
          annot_file=dict(
              argstr="--annot %s",
              extensions=None,
          ),
          args=dict(
              argstr="%s",
          ),
          dataarray_num=dict(
              argstr="--da_num %d",
          ),
          environ=dict(
              nohash=True,
              usedefault=True,
          ),
          functional_file=dict(
              argstr="-f %s",
              extensions=None,
          ),
          in_file=dict(
              argstr="%s",
              extensions=None,
              mandatory=True,
              position=-2,
          ),
          label_file=dict(
              argstr="--label %s",
              extensions=None,
          ),
          labelstats_outfile=dict(
              argstr="--labelstats %s",
              extensions=None,
          ),
          normal=dict(
              argstr="-n",
          ),
          origname=dict(
              argstr="-o %s",
          ),
          out_datatype=dict(
              mandatory=True,
              xor=["out_file"],
          ),
          out_file=dict(
              argstr="%s",
              extensions=None,
              genfile=True,
              mandatory=True,
              position=-1,
              xor=["out_datatype"],
          ),
          parcstats_file=dict(
              argstr="--parcstats %s",
              extensions=None,
          ),
          patch=dict(
              argstr="-p",
          ),
          rescale=dict(
              argstr="-r",
          ),
          scalarcurv_file=dict(
              argstr="-c %s",
              extensions=None,
          ),
          scale=dict(
              argstr="-s %.3f",
          ),
          subjects_dir=dict(),
          talairachxfm_subjid=dict(
              argstr="-t %s",
          ),
          to_scanner=dict(
              argstr="--to-scanner",
          ),
          to_tkr=dict(
              argstr="--to-tkr",
          ),
          vertex=dict(
              argstr="-v",
          ),
          xyz_ascii=dict(
              argstr="-a",
          ),
      )
      inputs = MRIsConvert.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_MRIsConvert_inputs() without return types