def test_open_door_hal(self):
'''
This function tests the interface for the 2001 spec.
'''
interface = Interface()
interface.set_user("Dave")
result = interface.ask("Open the door hal")
self.assertEqual(result, "I'm afraid I can't do that Dave")
def test_set_user_name(self):
'''
This function tests the interface for username recognition.
'''
interface = Interface()
result = interface.set_user("Dave")
self.assertEqual(result, "Hello, Dave.")
