def test_can_create_a_void_model():
to_string = "2015-12-10"
m = jobs.createVoIDModel(to_string)
assert isinstance(m, RDF.Model)
assert m.size() == 4
def test_fails_to_create_a_void_model_with_bad_input():
assert not isinstance(jobs.createVoIDModel(""), RDF.Model)
assert not isinstance(jobs.createVoIDModel(5), RDF.Model)