def test_FlippedDifference_outputs():
    output_map = dict(outputVolume=dict(),
    )
    outputs = FlippedDifference.output_spec()

    for key, metadata in output_map.items():
        for metakey, value in metadata.items():
            yield assert_equal, getattr(outputs.traits()[key], metakey), value
def test_FlippedDifference_inputs():
    input_map = dict(args=dict(argstr='%s',
    ),
    environ=dict(nohash=True,
    usedefault=True,
    ),
    ignore_exception=dict(nohash=True,
    usedefault=True,
    ),
    inputMaskVolume=dict(argstr='--inputMaskVolume %s',
    ),
    inputVolume=dict(argstr='--inputVolume %s',
    ),
    outputVolume=dict(argstr='--outputVolume %s',
    hash_files=False,
    ),
    terminal_output=dict(nohash=True,
    ),
    )
    inputs = FlippedDifference.input_spec()

    for key, metadata in input_map.items():
        for metakey, value in metadata.items():
            yield assert_equal, getattr(inputs.traits()[key], metakey), value