}
}

func TestSupportedDialectorWithErrDuplicatedKey(t *testing.T) {
	type City struct {
		gorm.Model
		Name string `gorm:"unique"`
	}

	db, err := OpenTestConnection(&gorm.Config{TranslateError: true})
	if err != nil {
		t.Fatalf("failed to connect database, got error %v", err)
	}

	dialectors := map[string]bool{"sqlite": true, "postgres": true, "mysql": true, "sqlserver": true}

	sqlserverDSN = "sqlserver://gorm:LoremIpsum86@localhost:9930?database=gorm"
	tidbDSN      = "root:@tcp(localhost:9940)/test?charset=utf8&parseTime=True&loc=Local"
)

func init() {
	var err error
	if DB, err = OpenTestConnection(&gorm.Config{}); err != nil {
		log.Printf("failed to connect database, got error %v", err)
		os.Exit(1)
	} else {
		sqlDB, err := DB.DB()
		if err != nil {

		t.Fatalf("Failed, got error: %v, rows affected: %v", result.Error, result.RowsAffected)
	}
	tx2.Commit()
}

func TestPreparedStmtDeadlock(t *testing.T) {
	tx, err := OpenTestConnection(&gorm.Config{})
	AssertEqual(t, err, nil)

	sqlDB, _ := tx.DB()
	sqlDB.SetMaxOpenConns(1)

	tx = tx.Session(&gorm.Session{PrepareStmt: true})

	wg := sync.WaitGroup{}
	for i := 0; i < 100; i++ {

	}

	if err := DB.First(&User{}, "name = ?", user2.Name).Error; err != nil {
		t.Fatalf("Should find saved record")
	}
}

func TestTransactionOnClosedConn(t *testing.T) {
	DB, err := OpenTestConnection(&gorm.Config{})
	if err != nil {
		t.Fatalf("failed to connect database, got error %v", err)
	}
	rawDB, _ := DB.DB()
	rawDB.Close()

	if err := DB.Transaction(func(tx *gorm.DB) error {
		return nil

	AssertEqual(t, nil, err)
	AssertEqual(t, user2, findUser2)
}

func TestConcurrentMany2ManyAssociation(t *testing.T) {
	db, err := OpenTestConnection(&gorm.Config{})
	if err != nil {
		t.Fatalf("open test connection failed, err: %+v", err)
	}

	count := 3

	var languages []Language
	for i := 0; i < count; i++ {