}

	user.Languages = []Language{{Code: "zh-CN", Name: "Chinese"}, {Code: "en", Name: "English"}}
	for _, lang := range user.Languages {
		DB.Create(&lang)
	}
	user.Friends = []*User{{Name: "friend-1"}, {Name: "friend-2"}}

	if err := DB.Save(&user).Error; err != nil {
		t.Fatalf("errors happened when update: %v", err)
	}

	var user2 User
	DB.Preload("Languages").Preload("Friends").Find(&user2, "id = ?", user.ID)

			return user.Friends[i].ID > user.Friends[j].ID
		})

		sort.Slice(expect.Friends, func(i, j int) bool {
			return expect.Friends[i].ID > expect.Friends[j].ID
		})

		for idx, friend := range user.Friends {
			AssertObjEqual(t, friend, expect.Friends[idx], "ID", "CreatedAt", "UpdatedAt", "DeletedAt", "Name", "Age",
				"Birthday", "CompanyID", "ManagerID", "Active")
		}
	})
}

					Tag: `gorm:"primarykey"`, Creatable: true, Updatable: true, Readable: true, PrimaryKey: true, Size: 64,
				},
				{
					Name: "FriendID", DBName: "friend_id", BindNames: []string{"FriendID"}, DataType: schema.Uint,
					Tag: `gorm:"primarykey"`, Creatable: true, Updatable: true, Readable: true, PrimaryKey: true, Size: 64,
				},
			}},

	// Append
	teams1 := []User{*GetUser("friend-append-1", Config{})}
	teams2 := []User{}
	teams3 := []*User{GetUser("friend-append-3-1", Config{}), GetUser("friend-append-3-2", Config{})}

	DB.Model(&users).Association("Team").Append(&teams1, &teams2, &teams3)

	AssertAssociationCount(t, users, "Team", 9, "After Append")

	teams2_1 := []User{*GetUser("friend-replace-1", Config{}), *GetUser("friend-replace-2", Config{})}

}

func RunMigrations() {
	var err error
	allModels := []interface{}{&User{}, &Account{}, &Pet{}, &Company{}, &Toy{}, &Language{}, &Coupon{}, &CouponProduct{}, &Order{}, &Parent{}, &Child{}, &Tools{}}
	rand.Seed(time.Now().UnixNano())
	rand.Shuffle(len(allModels), func(i, j int) { allModels[i], allModels[j] = allModels[j], allModels[i] })

	DB.Migrator().DropTable("user_friends", "user_speaks")

	allModels := []interface{}{&User{}, &Account{}, &Pet{}, &Company{}, &Toy{}, &Language{}, &Tools{}}
	rand.Seed(time.Now().UnixNano())
	rand.Shuffle(len(allModels), func(i, j int) { allModels[i], allModels[j] = allModels[j], allModels[i] })
	DB.Migrator().DropTable("user_speaks", "user_friends", "ccc")

	if err := DB.Migrator().DropTable(allModels...); err != nil {
		t.Fatalf("Failed to drop table, got error %v", err)
	}