def test_wrong_argument_1(self):
with self.assertRaises(ValueError):
havana = City("Havana", 25, 70)
havana.change_moisture("$")
def test_wrong_argument_3(self):
with self.assertRaises(TypeError):
havana = City("Havana", 25, 70)
havana.change_moisture([1, 2, "sda"])
def test_moisture_change(self):
havana = City("Havana", 25, 70)
helsinki = City("Helsinki", -10, 50)
havana.change_moisture(100)
self.assertEqual(havana.get_moisture() - helsinki.get_moisture(), 50)
