code: def test_BinaryMaths_inputs():
      input_map = dict(
          args=dict(
              argstr="%s",
          ),
          environ=dict(
              nohash=True,
              usedefault=True,
          ),
          in_file=dict(
              argstr="%s",
              extensions=None,
              mandatory=True,
              position=2,
          ),
          operand_file=dict(
              argstr="%s",
              extensions=None,
              mandatory=True,
              position=5,
              xor=["operand_value", "operand_str"],
          ),
          operand_str=dict(
              argstr="%s",
              mandatory=True,
              position=5,
              xor=["operand_value", "operand_file"],
          ),
          operand_value=dict(
              argstr="%.8f",
              mandatory=True,
              position=5,
              xor=["operand_file", "operand_str"],
          ),
          operation=dict(
              argstr="-%s",
              mandatory=True,
              position=4,
          ),
          out_file=dict(
              argstr="%s",
              extensions=None,
              name_source=["in_file"],
              name_template="%s",
              position=-2,
          ),
          output_datatype=dict(
              argstr="-odt %s",
              position=-3,
          ),
      )
      inputs = BinaryMaths.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_BinaryMaths_inputs() without return types