示例#1
0
    def test_update(self):
        example_data.load()
        fighter_writer = ModelWriter(Fighter)

        # update unique attribute
        fighter = Fighter(Fighter.by_id(2))
        fighter.name = 'Bobby'
        fighter.age = 41
        fighter_writer.update_all(fighter)
        self.assertEqual(ds.hgetall('u:Fighter:name'), {'Alice': '1', 'Bobby': '2'})
        fighter2 = Fighter(Fighter.by_id(2))
        self.assertEqual(fighter2.name, 'Bobby')
        self.assertEqual(fighter2.age, 41)
        fighter_writer.update(fighter2, name = 'Robert', weight = 99.9)
        self.assertEqual(ds.hgetall('u:Fighter:name'), {'Alice': '1', 'Robert': '2'})
        self.assertEqual(fighter2.name, 'Robert')
        self.assertEqual(fighter2.weight, 99.9)
        fighter3 = Fighter(Fighter.by_id(2))
        self.assertEqual(fighter3.name, 'Robert')
        self.assertEqual(fighter3.weight, 99.9)

        # update indexed attribute
        self.assertEqual(ds.smembers('i:Fighter:city:1'), set(['1', '2']))
        self.assertEqual(ds.smembers('i:Fighter:city:2'), set())
        fighter1 = Fighter(Fighter.by_id(1))
        fighter2 = Fighter(Fighter.by_id(2))
        fighter2.city = City.by_id(2)
        fighter_writer.update_all(fighter2)
        self.assertEqual(ds.smembers('i:Fighter:city:1'), set(['1']))
        self.assertEqual(ds.smembers('i:Fighter:city:2'), set(['2']))
        fighter_writer.update(fighter1, city = City.by_id(2))
        self.assertEqual(ds.smembers('i:Fighter:city:1'), set())
        self.assertEqual(ds.smembers('i:Fighter:city:2'), set(['1', '2']))
        city1 = City(City.by_id(1))
        fighter_writer.update(fighter1, city = city1)
        self.assertEqual(ds.smembers('i:Fighter:city:1'), set(['1']))
        self.assertEqual(ds.smembers('i:Fighter:city:2'), set(['2']))

        # update zindexed attribute
        self.assertEqual(ds.zrange('z:Fighter:weight', 0, -1), ['2', '1'])
        fighter_writer.update(fighter1, weight = 99.91)
        self.assertEqual(ds.zrange('z:Fighter:weight', 0, -1), ['2', '1'])
        fighter_writer.update(fighter1, weight = 99.89)
        self.assertEqual(ds.zrange('z:Fighter:weight', 0, -1), ['1', '2'])

        # update listed attribute
        self.assertEqual(ds.lrange('l:Gang:hqcity:1', 0, -1), [])
        self.assertEqual(ds.lrange('l:Gang:hqcity:3', 0, -1), ['1', '2'])
        gang2 = Gang(Gang.by_id(2))
        gang_writer = ModelWriter(Gang)
        gang_writer.update(gang2, hqcity = city1)
        self.assertEqual(ds.lrange('l:Gang:hqcity:1', 0, -1), ['2'])
        self.assertEqual(ds.lrange('l:Gang:hqcity:3', 0, -1), ['1'])

        # update object and sorted set atomically
        self.assertEqual(ds.zrange('Fighter:1:weapons', 0, -1), ['2', '1', '3'])
        self.assertEqual(ds.hgetall('Weapon:2'), {'description': 'third', 'power': '34.2'})
        weapon_writer = ModelWriter(Weapon)
        fighter_weapons_writer = SortedSetFieldWriter(Fighter.weapons, weapon_writer)
        w2 = Weapon(Weapon.by_id(2))
        fighter_weapons_writer.update(fighter1.weapons, w2,
                                      power = 70, description = 'improved')
        self.assertEqual(ds.zrange('Fighter:1:weapons', 0, -1), ['1', '3', '2'])
        self.assertEqual(ds.hgetall('Weapon:2'), {'description': 'improved', 'power': '70'})
        self.assertEqual(w2.power, 70)
        self.assertEqual(w2.description, 'improved')
        w2.power -= 60
        w2.description = 'degraded'
        fighter_weapons_writer.update_all(fighter1.weapons, w2)
        self.assertEqual(ds.zrange('Fighter:1:weapons', 0, -1), ['2', '1', '3'])
        self.assertEqual(ds.hgetall('Weapon:2'), {'description': 'degraded', 'power': '10'})