gorm/tests/scanner_valuer_test.go

383 lines
10 KiB
Go

package tests_test
import (
"context"
"database/sql"
"database/sql/driver"
"encoding/json"
"errors"
"fmt"
"reflect"
"regexp"
"strconv"
"testing"
"time"
"gorm.io/gorm"
"gorm.io/gorm/clause"
. "gorm.io/gorm/utils/tests"
)
func TestScannerValuer(t *testing.T) {
DB.Migrator().DropTable(&ScannerValuerStruct{})
if err := DB.Migrator().AutoMigrate(&ScannerValuerStruct{}); err != nil {
t.Fatalf("no error should happen when migrate scanner, valuer struct, got error %v", err)
}
data := ScannerValuerStruct{
Name: sql.NullString{String: "name", Valid: true},
Gender: &sql.NullString{String: "M", Valid: true},
Age: sql.NullInt64{Int64: 18, Valid: true},
Male: sql.NullBool{Bool: true, Valid: true},
Height: sql.NullFloat64{Float64: 1.8888, Valid: true},
Birthday: sql.NullTime{Time: time.Now(), Valid: true},
Allergen: NullString{sql.NullString{String: "Allergen", Valid: true}},
Password: EncryptedData("pass1"),
Bytes: []byte("byte"),
Num: 18,
Strings: StringsSlice{"a", "b", "c"},
Structs: StructsSlice{
{"name1", "value1"},
{"name2", "value2"},
},
Role: Role{Name: "admin"},
ExampleStruct: ExampleStruct{"name", "value1"},
ExampleStructPtr: &ExampleStruct{"name", "value2"},
}
if err := DB.Create(&data).Error; err != nil {
t.Fatalf("No error should happened when create scanner valuer struct, but got %v", err)
}
var result ScannerValuerStruct
if err := DB.Find(&result, "id = ?", data.ID).Error; err != nil {
t.Fatalf("no error should happen when query scanner, valuer struct, but got %v", err)
}
if result.ExampleStructPtr.Val != "value2" {
t.Errorf(`ExampleStructPtr.Val should equal to "value2", but got %v`, result.ExampleStructPtr.Val)
}
if result.ExampleStruct.Val != "value1" {
t.Errorf(`ExampleStruct.Val should equal to "value1", but got %#v`, result.ExampleStruct)
}
AssertObjEqual(t, data, result, "Name", "Gender", "Age", "Male", "Height", "Birthday", "Password", "Bytes", "Num", "Strings", "Structs")
}
func TestScannerValuerWithFirstOrCreate(t *testing.T) {
DB.Migrator().DropTable(&ScannerValuerStruct{})
if err := DB.Migrator().AutoMigrate(&ScannerValuerStruct{}); err != nil {
t.Errorf("no error should happen when migrate scanner, valuer struct")
}
data := ScannerValuerStruct{
Name: sql.NullString{String: "name", Valid: true},
Gender: &sql.NullString{String: "M", Valid: true},
Age: sql.NullInt64{Int64: 18, Valid: true},
ExampleStruct: ExampleStruct{"name", "value1"},
ExampleStructPtr: &ExampleStruct{"name", "value2"},
}
var result ScannerValuerStruct
tx := DB.Where(data).FirstOrCreate(&result)
if tx.RowsAffected != 1 {
t.Errorf("RowsAffected should be 1 after create some record")
}
if tx.Error != nil {
t.Errorf("Should not raise any error, but got %v", tx.Error)
}
AssertObjEqual(t, result, data, "Name", "Gender", "Age")
if err := DB.Where(data).Assign(ScannerValuerStruct{Age: sql.NullInt64{Int64: 18, Valid: true}}).FirstOrCreate(&result).Error; err != nil {
t.Errorf("Should not raise any error, but got %v", err)
}
if result.Age.Int64 != 18 {
t.Errorf("should update age to 18")
}
var result2 ScannerValuerStruct
if err := DB.First(&result2, result.ID).Error; err != nil {
t.Errorf("got error %v when query with %v", err, result.ID)
}
AssertObjEqual(t, result2, result, "ID", "CreatedAt", "UpdatedAt", "Name", "Gender", "Age")
}
func TestInvalidValuer(t *testing.T) {
DB.Migrator().DropTable(&ScannerValuerStruct{})
if err := DB.Migrator().AutoMigrate(&ScannerValuerStruct{}); err != nil {
t.Errorf("no error should happen when migrate scanner, valuer struct")
}
data := ScannerValuerStruct{
Password: EncryptedData("xpass1"),
ExampleStruct: ExampleStruct{"name", "value1"},
ExampleStructPtr: &ExampleStruct{"name", "value2"},
}
if err := DB.Create(&data).Error; err == nil {
t.Errorf("Should failed to create data with invalid data")
}
data.Password = EncryptedData("pass1")
if err := DB.Create(&data).Error; err != nil {
t.Errorf("Should got no error when creating data, but got %v", err)
}
if err := DB.Model(&data).Update("password", EncryptedData("xnewpass")).Error; err == nil {
t.Errorf("Should failed to update data with invalid data")
}
if err := DB.Model(&data).Update("password", EncryptedData("newpass")).Error; err != nil {
t.Errorf("Should got no error update data with valid data, but got %v", err)
}
AssertEqual(t, data.Password, EncryptedData("newpass"))
}
type ScannerValuerStruct struct {
gorm.Model
Name sql.NullString
Gender *sql.NullString
Age sql.NullInt64
Male sql.NullBool
Height sql.NullFloat64
Birthday sql.NullTime
Allergen NullString
Password EncryptedData
Bytes []byte
Num Num
Strings StringsSlice
Structs StructsSlice
Role Role
UserID *sql.NullInt64
User User
EmptyTime EmptyTime
ExampleStruct ExampleStruct
ExampleStructPtr *ExampleStruct
}
type EncryptedData []byte
func (data *EncryptedData) Scan(value interface{}) error {
if b, ok := value.([]byte); ok {
if len(b) < 3 || b[0] != '*' || b[1] != '*' || b[2] != '*' {
return errors.New("Too short")
}
*data = b[3:]
return nil
} else if s, ok := value.(string); ok {
*data = []byte(s)[3:]
return nil
}
return errors.New("Bytes expected")
}
func (data EncryptedData) Value() (driver.Value, error) {
if len(data) > 0 && data[0] == 'x' {
//needed to test failures
return nil, errors.New("Should not start with 'x'")
}
//prepend asterisks
return append([]byte("***"), data...), nil
}
type Num int64
func (i *Num) Scan(src interface{}) error {
switch s := src.(type) {
case []byte:
n, _ := strconv.Atoi(string(s))
*i = Num(n)
case int64:
*i = Num(s)
default:
return errors.New("Cannot scan NamedInt from " + reflect.ValueOf(src).String())
}
return nil
}
type StringsSlice []string
func (l StringsSlice) Value() (driver.Value, error) {
bytes, err := json.Marshal(l)
return string(bytes), err
}
func (l *StringsSlice) Scan(input interface{}) error {
switch value := input.(type) {
case string:
return json.Unmarshal([]byte(value), l)
case []byte:
return json.Unmarshal(value, l)
default:
return errors.New("not supported")
}
}
type ExampleStruct struct {
Name string
Val string
}
func (ExampleStruct) GormDataType() string {
return "bytes"
}
func (s ExampleStruct) Value() (driver.Value, error) {
if len(s.Name) == 0 {
return nil, nil
}
// for test, has no practical meaning
s.Name = ""
return json.Marshal(s)
}
func (s *ExampleStruct) Scan(src interface{}) error {
switch value := src.(type) {
case string:
return json.Unmarshal([]byte(value), s)
case []byte:
return json.Unmarshal(value, s)
default:
return errors.New("not supported")
}
}
type StructsSlice []ExampleStruct
func (l StructsSlice) Value() (driver.Value, error) {
bytes, err := json.Marshal(l)
return string(bytes), err
}
func (l *StructsSlice) Scan(input interface{}) error {
switch value := input.(type) {
case string:
return json.Unmarshal([]byte(value), l)
case []byte:
return json.Unmarshal(value, l)
default:
return errors.New("not supported")
}
}
type Role struct {
Name string `gorm:"size:256"`
}
func (role *Role) Scan(value interface{}) error {
if b, ok := value.([]uint8); ok {
role.Name = string(b)
} else {
role.Name = value.(string)
}
return nil
}
func (role Role) Value() (driver.Value, error) {
return role.Name, nil
}
func (role Role) IsAdmin() bool {
return role.Name == "admin"
}
type EmptyTime struct {
time.Time
}
func (t *EmptyTime) Scan(v interface{}) error {
nullTime := sql.NullTime{}
err := nullTime.Scan(v)
t.Time = nullTime.Time
return err
}
func (t EmptyTime) Value() (driver.Value, error) {
return time.Now() /* pass tests, mysql 8 doesn't support 0000-00-00 by default */, nil
}
type NullString struct {
sql.NullString
}
type Point struct {
X, Y int
}
func (point *Point) Scan(v interface{}) error {
return nil
}
func (point Point) GormDataType() string {
return "geo"
}
func (point Point) GormValue(ctx context.Context, db *gorm.DB) clause.Expr {
return clause.Expr{
SQL: "ST_PointFromText(?)",
Vars: []interface{}{fmt.Sprintf("POINT(%d %d)", point.X, point.Y)},
}
}
func TestGORMValuer(t *testing.T) {
type UserWithPoint struct {
Name string
Point Point
}
dryRunDB := DB.Session(&gorm.Session{DryRun: true})
stmt := dryRunDB.Create(&UserWithPoint{
Name: "jinzhu",
Point: Point{X: 100, Y: 100},
}).Statement
if stmt.SQL.String() == "" || len(stmt.Vars) != 2 {
t.Errorf("Failed to generate sql, got %v", stmt.SQL.String())
}
if !regexp.MustCompile(`INSERT INTO .user_with_points. \(.name.,.point.\) VALUES \(.+,ST_PointFromText\(.+\)\)`).MatchString(stmt.SQL.String()) {
t.Errorf("insert with sql.Expr, but got %v", stmt.SQL.String())
}
if !reflect.DeepEqual([]interface{}{"jinzhu", "POINT(100 100)"}, stmt.Vars) {
t.Errorf("generated vars is not equal, got %v", stmt.Vars)
}
stmt = dryRunDB.Model(UserWithPoint{}).Create(map[string]interface{}{
"Name": "jinzhu",
"Point": clause.Expr{SQL: "ST_PointFromText(?)", Vars: []interface{}{"POINT(100 100)"}},
}).Statement
if !regexp.MustCompile(`INSERT INTO .user_with_points. \(.name.,.point.\) VALUES \(.+,ST_PointFromText\(.+\)\)`).MatchString(stmt.SQL.String()) {
t.Errorf("insert with sql.Expr, but got %v", stmt.SQL.String())
}
if !reflect.DeepEqual([]interface{}{"jinzhu", "POINT(100 100)"}, stmt.Vars) {
t.Errorf("generated vars is not equal, got %v", stmt.Vars)
}
stmt = dryRunDB.Table("user_with_points").Create(&map[string]interface{}{
"Name": "jinzhu",
"Point": clause.Expr{SQL: "ST_PointFromText(?)", Vars: []interface{}{"POINT(100 100)"}},
}).Statement
if !regexp.MustCompile(`INSERT INTO .user_with_points. \(.Name.,.Point.\) VALUES \(.+,ST_PointFromText\(.+\)\)`).MatchString(stmt.SQL.String()) {
t.Errorf("insert with sql.Expr, but got %v", stmt.SQL.String())
}
if !reflect.DeepEqual([]interface{}{"jinzhu", "POINT(100 100)"}, stmt.Vars) {
t.Errorf("generated vars is not equal, got %v", stmt.Vars)
}
}