code: def test_Pik_inputs():
      input_map = dict(
          annotated_bar=dict(
              argstr="--anot_bar",
          ),
          args=dict(
              argstr="%s",
          ),
          auto_range=dict(
              argstr="--auto_range",
              xor=("image_range", "auto_range"),
          ),
          clobber=dict(
              argstr="-clobber",
              usedefault=True,
          ),
          depth=dict(
              argstr="--depth %s",
          ),
          environ=dict(
              nohash=True,
              usedefault=True,
          ),
          horizontal_triplanar_view=dict(
              argstr="--horizontal",
              xor=(
                  "vertical_triplanar_view",
                  "horizontal_triplanar_view",
              ),
          ),
          image_range=dict(
              argstr="--image_range %s %s",
              xor=("image_range", "auto_range"),
          ),
          input_file=dict(
              argstr="%s",
              extensions=None,
              mandatory=True,
              position=-2,
          ),
          jpg=dict(
              xor=("jpg", "png"),
          ),
          lookup=dict(
              argstr="--lookup %s",
          ),
          minc_range=dict(
              argstr="--range %s %s",
          ),
          output_file=dict(
              argstr="%s",
              extensions=None,
              genfile=True,
              hash_files=False,
              keep_extension=False,
              name_source=["input_file"],
              name_template="%s.png",
              position=-1,
          ),
          png=dict(
              xor=("jpg", "png"),
          ),
          sagittal_offset=dict(
              argstr="--sagittal_offset %s",
          ),
          sagittal_offset_perc=dict(
              argstr="--sagittal_offset_perc %d",
          ),
          scale=dict(
              argstr="--scale %s",
              usedefault=True,
          ),
          slice_x=dict(
              argstr="-x",
              xor=("slice_z", "slice_y", "slice_x"),
          ),
          slice_y=dict(
              argstr="-y",
              xor=("slice_z", "slice_y", "slice_x"),
          ),
          slice_z=dict(
              argstr="-z",
              xor=("slice_z", "slice_y", "slice_x"),
          ),
          start=dict(
              argstr="--slice %s",
          ),
          tile_size=dict(
              argstr="--tilesize %s",
          ),
          title=dict(
              argstr="%s",
          ),
          title_size=dict(
              argstr="--title_size %s",
              requires=["title"],
          ),
          triplanar=dict(
              argstr="--triplanar",
          ),
          vertical_triplanar_view=dict(
              argstr="--vertical",
              xor=(
                  "vertical_triplanar_view",
                  "horizontal_triplanar_view",
              ),
          ),
          width=dict(
              argstr="--width %s",
          ),
      )
      inputs = Pik.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_Pik_inputs() without return types