def _mock_key(service, method):
    return '%s::%s' % (service, method)
.. todo::
dataset/ETHPy150Open softlayer/softlayer-python/SoftLayer/testing/__init__.py/_mock_key--crossover with--dataset/ETHPy150Open lisa-lab/pylearn2/pylearn2/models/s3c.py/S3C.energy_functional_batch