def test_onlyfirst_list(self): self.assertEqual(Usage.sum([a, b, b]), Usage(first=131, second=294))
def test_firstlist_1second(self): self.assertEqual(Usage.sum([a, b], b), Usage(first=131, second=294))
def test_params_with_tuple(self): self.assertEqual(Usage.sum((12, 23), [a, b], (12, 3), [a, b]), Usage(first=244, second=410))
def test_everything_param(self): self.assertEqual(Usage.sum(a, b, b), Usage(first=131, second=294))