def test_integerListAdd_whenValueNotInteger_shouldRaise(self):
il = IntegerList()
with self.assertRaises(Exception) as context:
il.add({})
self.assertIsNotNone(context.exception)
def test_integerListAdd_whenValueIsInteger_shouldBeAdded(self):
il = IntegerList()
il.add(1)
self.assertListEqual([1], il.get_data())