text: # AUTO-GENERATED by tools/checkspecs.py - DO NOT EDIT
  from ..utils import MRMath
  
  
  def test_MRMath_inputs():
      input_map = dict(
          args=dict(argstr='%s', ),
          axis=dict(argstr='-axis %d', ),
          bval_scale=dict(argstr='-bvalue_scaling %s', ),
          environ=dict(
              nohash=True,
              usedefault=True,
          ),
          grad_file=dict(
              argstr='-grad %s',
              extensions=None,
              xor=['grad_fsl'],
          ),
          grad_fsl=dict(
              argstr='-fslgrad %s %s',
              xor=['grad_file'],
          ),
          in_bval=dict(extensions=None, ),
          in_bvec=dict(
              argstr='-fslgrad %s %s',
              extensions=None,
          ),
          in_file=dict(
              argstr='%s',
              extensions=None,
              mandatory=True,
              position=-3,
          ),
          nthreads=dict(
              argstr='-nthreads %d',
              nohash=True,
          ),
          operation=dict(
              argstr='%s',
              mandatory=True,
              position=-2,
          ),
          out_file=dict(
              argstr='%s',
              extensions=None,
              mandatory=True,
              position=-1,
          ),
      )
      inputs = MRMath.input_spec()
  
      for key, metadata in list(input_map.items()):
          for metakey, value in list(metadata.items()):
              assert getattr(inputs.traits()[key], metakey) == value
  def test_MRMath_outputs():
      output_map = dict(out_file=dict(extensions=None, ), )
      outputs = MRMath.output_spec()
  
      for key, metadata in list(output_map.items()):
          for metakey, value in list(metadata.items()):
              assert getattr(outputs.traits()[key], metakey) == value
  