code: def test_BrickStat_inputs():
      input_map = dict(
          args=dict(
              argstr="%s",
          ),
          environ=dict(
              nohash=True,
              usedefault=True,
          ),
          in_file=dict(
              argstr="%s",
              extensions=None,
              mandatory=True,
              position=-1,
          ),
          mask=dict(
              argstr="-mask %s",
              extensions=None,
              position=2,
          ),
          max=dict(
              argstr="-max",
          ),
          mean=dict(
              argstr="-mean",
          ),
          min=dict(
              argstr="-min",
              position=1,
          ),
          percentile=dict(
              argstr="-percentile %.3f %.3f %.3f",
          ),
          slow=dict(
              argstr="-slow",
          ),
          sum=dict(
              argstr="-sum",
          ),
          var=dict(
              argstr="-var",
          ),
      )
      inputs = BrickStat.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_BrickStat_inputs() without return types