t.Errorf("Name fields shouldn't be changed if untouched, but got %v", animal.Name)
	}

	// When changing a field with a default value, the change must occur
	animal.Name = "amazing horse"
	DB.Save(&animal)
	DB.First(&animal, animal.Counter)
	if animal.Name != "amazing horse" {
		t.Errorf("Update a filed with a default value should occur. But got %v\n", animal.Name)
	}

		log.Printf("failed to connect database, got error %v", err)
		os.Exit(1)
	} else {
		sqlDB, err := DB.DB()
		if err != nil {
			log.Printf("failed to connect database, got error %v", err)
			os.Exit(1)
		}

		err = sqlDB.Ping()
		if err != nil {
			log.Printf("failed to ping sqlDB, got error %v", err)
			os.Exit(1)
		}

		RunMigrations()
	}
}

		{"FALSE", false},
		{"\u0046alse", false},
	}

	for _, test := range checkTruthTests {
		t.Run(test.v, func(t *testing.T) {
			if out := CheckTruth(test.v); out != test.out {
				t.Errorf("CheckTruth(%s) want: %t, got: %t", test.v, test.out, out)
			}
		})
	}
}

func TestToStringKey(t *testing.T) {
	cases := []struct {
		values []interface{}
		key    string
	}{
		{[]interface{}{"a"}, "a"},

	Name3 string `gorm:"check:,name <> 'jinzhu'"`
}

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

	results := map[string]schema.CheckConstraint{
		"name_checker": {
			Name:       "name_checker",
			Constraint: "name <> 'jinzhu'",
		},
		"chk_user_checks_name2": {

			if stmt.SQL.String() != result.Result {
				t.Errorf("generated SQL is not equal, expects %v, but got %v", result.Result, stmt.SQL.String())
			}

			if !reflect.DeepEqual(result.ExpectedVars, stmt.Vars) {
				t.Errorf("generated vars is not equal, expects %v, but got %v", result.ExpectedVars, stmt.Vars)
			}
		})
	}
}

func TestExpression(t *testing.T) {
	column := "column-name"

		}

		stmt.AddClause(c)
	}

	stmt.Build(buildNames...)

	if strings.TrimSpace(stmt.SQL.String()) != result {
		t.Errorf("SQL expects %v got %v", result, stmt.SQL.String())
	}

	if !reflect.DeepEqual(stmt.Vars, vars) {
		t.Errorf("Vars expects %+v got %v", stmt.Vars, vars)
	}

			}
		}
	case reflect.Float32, reflect.Float64:
		field.DataType = Float
		if field.HasDefaultValue && !skipParseDefaultValue {
			if field.DefaultValueInterface, err = strconv.ParseFloat(field.DefaultValue, 64); err != nil {
				schema.err = fmt.Errorf("failed to parse %s as default value for float, got error: %v", field.DefaultValue, err)
			}
		}

		if pinger, ok := db.ConnPool.(interface{ Ping() error }); ok {
			err = pinger.Ping()
		}
	}

	if err != nil {
		config.Logger.Error(context.Background(), "failed to initialize database, got error %v", err)
	}

	return
}

// Session create new db session
func (db *DB) Session(config *Session) *DB {
	var (
		txConfig = *db.Config
		tx       = &DB{
			Config:    &txConfig,