code: def test_TractographyLabelMapSeeding_inputs():
      input_map = dict(
          InputVolume=dict(
              argstr="%s",
              extensions=None,
              position=-2,
          ),
          OutputFibers=dict(
              argstr="%s",
              hash_files=False,
              position=-1,
          ),
          args=dict(
              argstr="%s",
          ),
          clthreshold=dict(
              argstr="--clthreshold %f",
          ),
          environ=dict(
              nohash=True,
              usedefault=True,
          ),
          inputroi=dict(
              argstr="--inputroi %s",
              extensions=None,
          ),
          integrationsteplength=dict(
              argstr="--integrationsteplength %f",
          ),
          label=dict(
              argstr="--label %d",
          ),
          maximumlength=dict(
              argstr="--maximumlength %f",
          ),
          minimumlength=dict(
              argstr="--minimumlength %f",
          ),
          name=dict(
              argstr="--name %s",
          ),
          outputdirectory=dict(
              argstr="--outputdirectory %s",
              hash_files=False,
          ),
          randomgrid=dict(
              argstr="--randomgrid ",
          ),
          seedspacing=dict(
              argstr="--seedspacing %f",
          ),
          stoppingcurvature=dict(
              argstr="--stoppingcurvature %f",
          ),
          stoppingmode=dict(
              argstr="--stoppingmode %s",
          ),
          stoppingvalue=dict(
              argstr="--stoppingvalue %f",
          ),
          useindexspace=dict(
              argstr="--useindexspace ",
          ),
          writetofile=dict(
              argstr="--writetofile ",
          ),
      )
      inputs = TractographyLabelMapSeeding.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_TractographyLabelMapSeeding_inputs() without return types