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

	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 {

type UserWithCallback struct{}

func (UserWithCallback) BeforeSave(*gorm.DB) error {
	return nil
}

func (UserWithCallback) AfterCreate(*gorm.DB) error {
	return nil
}

func TestCallback(t *testing.T) {
	user, err := schema.Parse(&UserWithCallback{}, &sync.Map{}, schema.NamingStrategy{})
	if err != nil {
		t.Fatalf("failed to parse user with callback, got error %v", err)
	}

}

func TestParseIndex(t *testing.T) {
	user, err := schema.Parse(&UserIndex{}, &sync.Map{}, schema.NamingStrategy{})
	if err != nil {
		t.Fatalf("failed to parse user index, got error %v", err)
	}

	results := map[string]schema.Index{
		"idx_user_indices_name": {
			Name:   "idx_user_indices_name",
			Fields: []schema.IndexOption{{Field: &schema.Field{Name: "Name"}}},
		},
		"idx_name": {

	doCheckPet(t, pet, expect, false)
}

func doCheckPet(t *testing.T, pet Pet, expect Pet, unscoped bool) {
	if pet.ID != 0 {
		var newPet Pet
		if err := db(unscoped).Where("id = ?", pet.ID).First(&newPet).Error; err != nil {
			t.Fatalf("errors happened when query: %v", err)
		} else {
			AssertObjEqual(t, newPet, pet, "ID", "CreatedAt", "UpdatedAt", "DeletedAt", "UserID", "Name")

			}

			for _, field := range index.Fields {
				if field.Name == name {
					return &index
				}
			}
		}
	}

	return nil
}

func parseFieldIndexes(field *Field) (indexes []Index, err error) {
	for _, value := range strings.Split(field.Tag.Get("gorm"), ";") {
		if value != "" {
			v := strings.Split(value, ":")
			k := strings.TrimSpace(strings.ToUpper(v[0]))
			if k == "INDEX" || k == "UNIQUEINDEX" {

	"testing"

	"gorm.io/gorm"
	"gorm.io/gorm/utils/tests"
)

func TestDialectorWithErrorTranslatorSupport(t *testing.T) {
	// it shouldn't translate error when the TranslateError flag is false
	translatedErr := errors.New("translated error")
	untranslatedErr := errors.New("some random error")
	db, _ := gorm.Open(tests.DummyDialector{TranslatedErr: translatedErr})

	err := db.AddError(untranslatedErr)
	if !errors.Is(err, untranslatedErr) {

	person := Person{Name: "person", Addresses: []Address{address1, address2}}
	DB.Create(&person)

	var addresses1 []Address
	if err := DB.Model(&person).Association("Addresses").Find(&addresses1); err != nil || len(addresses1) != 2 {
		t.Fatalf("Failed to find address, got error %v, length: %v", err, len(addresses1))
	}

	if err := DB.Model(&person).Association("Addresses").Delete(&person.Addresses[0]); err != nil {

type GetDBConnector interface {
	GetDBConn() (*sql.DB, error)
}

// Rows rows interface
type Rows interface {
	Columns() ([]string, error)
	ColumnTypes() ([]*sql.ColumnType, error)
	Next() bool
	Scan(dest ...interface{}) error
	Err() error
	Close() error
}

type ErrorTranslator interface {
	Translate(err error) error

		t.Fatalf("no error should happen when migrate scanner, valuer struct, got error %v", err)
	}

	data := SerializerStruct{}

	if err := DB.Create(&data).Error; err != nil {
		t.Fatalf("failed to create data, got error %v", err)
	}

	var result SerializerStruct
	if err := DB.First(&result, data.ID).Error; err != nil {
		t.Fatalf("failed to query data, got error %v", err)
	}

	}

	var result3 UserWithDelete
	if err := DB.Table("deleted_users").Unscoped().First(&result3, user.ID).Error; err != nil {
		t.Fatalf("failed to find record, got error %v", err)
	}

	if err := DB.Table("deleted_users").Unscoped().Delete(&result).Error; err != nil {
		t.Errorf("failed to delete user with unscoped, got error %v", err)
	}

	var result4 UserWithDelete