def test_attack_by_hand(self):
# in-line setup
knight = Knight(100)
# exercise
pain = knight.attack_power()
# verify
self.assertEqual(pain, Hand().attack_power())
def test_attack_by_knife(self):
# in-line setup
knight = Knight(100)
knight.arms = Knife()
# exercise
pain = knight.attack_power()
# verify
self.assertEqual(pain, Knife().attack_power())
