def __missing__(self, key):
        if self.default_factory is None:
            raise KeyError(key)
        else:
            ret = self[key] = self.default_factory(name=key)
            return ret
def test_engine_module_name():
    engine = salt.engines.Engine({}, "foobar.start", {}, {}, {}, {}, name="foobar")
    assert engine.name == "foobar"