code: def test_gtractFiberTracking_inputs():
      input_map = dict(
          args=dict(
              argstr="%s",
          ),
          branchingAngle=dict(
              argstr="--branchingAngle %f",
          ),
          branchingThreshold=dict(
              argstr="--branchingThreshold %f",
          ),
          curvatureThreshold=dict(
              argstr="--curvatureThreshold %f",
          ),
          endingSeedsLabel=dict(
              argstr="--endingSeedsLabel %d",
          ),
          environ=dict(
              nohash=True,
              usedefault=True,
          ),
          guidedCurvatureThreshold=dict(
              argstr="--guidedCurvatureThreshold %f",
          ),
          inputAnisotropyVolume=dict(
              argstr="--inputAnisotropyVolume %s",
              extensions=None,
          ),
          inputEndingSeedsLabelMapVolume=dict(
              argstr="--inputEndingSeedsLabelMapVolume %s",
              extensions=None,
          ),
          inputStartingSeedsLabelMapVolume=dict(
              argstr="--inputStartingSeedsLabelMapVolume %s",
              extensions=None,
          ),
          inputTensorVolume=dict(
              argstr="--inputTensorVolume %s",
              extensions=None,
          ),
          inputTract=dict(
              argstr="--inputTract %s",
              extensions=None,
          ),
          maximumBranchPoints=dict(
              argstr="--maximumBranchPoints %d",
          ),
          maximumGuideDistance=dict(
              argstr="--maximumGuideDistance %f",
          ),
          maximumLength=dict(
              argstr="--maximumLength %f",
          ),
          minimumLength=dict(
              argstr="--minimumLength %f",
          ),
          numberOfThreads=dict(
              argstr="--numberOfThreads %d",
          ),
          outputTract=dict(
              argstr="--outputTract %s",
              hash_files=False,
          ),
          randomSeed=dict(
              argstr="--randomSeed %d",
          ),
          seedThreshold=dict(
              argstr="--seedThreshold %f",
          ),
          startingSeedsLabel=dict(
              argstr="--startingSeedsLabel %d",
          ),
          stepSize=dict(
              argstr="--stepSize %f",
          ),
          tendF=dict(
              argstr="--tendF %f",
          ),
          tendG=dict(
              argstr="--tendG %f",
          ),
          trackingMethod=dict(
              argstr="--trackingMethod %s",
          ),
          trackingThreshold=dict(
              argstr="--trackingThreshold %f",
          ),
          useLoopDetection=dict(
              argstr="--useLoopDetection ",
          ),
          useRandomWalk=dict(
              argstr="--useRandomWalk ",
          ),
          useTend=dict(
              argstr="--useTend ",
          ),
          writeXMLPolyDataFile=dict(
              argstr="--writeXMLPolyDataFile ",
          ),
      )
      inputs = gtractFiberTracking.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_gtractFiberTracking_inputs() without return types