def test_signaturenature(self): import types fn = FunctionRef("", -1, "map") arg1 = ArgRef(fn, "fn") arg2 = ArgRef(fn, "coll") retval = ArgRef(fn, "") arg1.add_sample(lambda x: x*x) arg2.add_sample([1,2,3]) retval.add_sample([1,4,9]) fn.set_signaturenature() self.assertEqual(fn.signature[""], (-1, ParameterizedList([int]))) self.assertEqual(fn.signature["fn"], (0, types.FunctionType)) self.assertEqual(fn.signature["coll"], (1, ParameterizedList([int])))