def test_get_ruler(self):
name = ["ICE", "AIR", "WATER", "FIRE"]
emblem = ["MAMMOTH", "OWL", "OCTOPUS", "DRAGON"]
ice_kingdom = Kingdom(name[0], emblem[0])
air_kingdom = Kingdom(name[1], emblem[1])
water_kingdom = Kingdom(name[2], emblem[2])
fire_kingdom = Kingdom(name[3], emblem[3])
ice_kingdom.add_ally(air_kingdom)
self.assertIsNone(Kingdom.get_ruler())
ice_kingdom.add_ally(water_kingdom)
ice_kingdom.add_ally(air_kingdom)
ice_kingdom.add_ally(fire_kingdom)
self.assertEqual(ice_kingdom, Kingdom.get_ruler())
self.assertNotEqual(fire_kingdom, Kingdom.get_ruler())
Kingdom.remove_all_kingdoms()
def __ruling_kingdom(self):
"""Get the Ruler of Southeros
Returns:
Kingdom Object: Ruling Kingdom Object otherwise None
"""
return Kingdom.get_ruler()
