/
serializer_test.go
167 lines (141 loc) · 5.01 KB
/
serializer_test.go
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package tests_test
import (
"bytes"
"context"
"fmt"
"reflect"
"strings"
"testing"
"time"
"gorm.io/gorm"
"gorm.io/gorm/schema"
. "gorm.io/gorm/utils/tests"
)
type SerializerStruct struct {
gorm.Model
Name []byte `gorm:"json"`
Roles Roles `gorm:"serializer:json"`
Contracts map[string]interface{} `gorm:"serializer:json"`
JobInfo Job `gorm:"type:bytes;serializer:gob"`
CreatedTime int64 `gorm:"serializer:unixtime;type:time"` // store time in db, use int as field type
UpdatedTime *int64 `gorm:"serializer:unixtime;type:time"` // store time in db, use int as field type
CustomSerializerString string `gorm:"serializer:custom"`
EncryptedString EncryptedString
}
type Roles []string
type Job struct {
Title string
Number int
Location string
IsIntern bool
}
type EncryptedString string
func (es *EncryptedString) Scan(ctx context.Context, field *schema.Field, dst reflect.Value, dbValue interface{}) (err error) {
switch value := dbValue.(type) {
case []byte:
*es = EncryptedString(bytes.TrimPrefix(value, []byte("hello")))
case string:
*es = EncryptedString(strings.TrimPrefix(value, "hello"))
default:
return fmt.Errorf("unsupported data %#v", dbValue)
}
return nil
}
func (es EncryptedString) Value(ctx context.Context, field *schema.Field, dst reflect.Value, fieldValue interface{}) (interface{}, error) {
return "hello" + string(es), nil
}
type CustomSerializer struct {
prefix []byte
}
func NewCustomSerializer(prefix string) *CustomSerializer {
return &CustomSerializer{prefix: []byte(prefix)}
}
func (c *CustomSerializer) Scan(ctx context.Context, field *schema.Field, dst reflect.Value, dbValue interface{}) (err error) {
switch value := dbValue.(type) {
case []byte:
err = field.Set(ctx, dst, bytes.TrimPrefix(value, c.prefix))
case string:
err = field.Set(ctx, dst, strings.TrimPrefix(value, string(c.prefix)))
default:
err = fmt.Errorf("unsupported data %#v", dbValue)
}
return err
}
func (c *CustomSerializer) Value(ctx context.Context, field *schema.Field, dst reflect.Value, fieldValue interface{}) (interface{}, error) {
return fmt.Sprintf("%s%s", c.prefix, fieldValue), nil
}
func TestSerializer(t *testing.T) {
schema.RegisterSerializer("custom", NewCustomSerializer("hello"))
DB.Migrator().DropTable(&SerializerStruct{})
if err := DB.Migrator().AutoMigrate(&SerializerStruct{}); err != nil {
t.Fatalf("no error should happen when migrate scanner, valuer struct, got error %v", err)
}
createdAt := time.Date(2020, 1, 1, 0, 0, 0, 0, time.UTC)
updatedAt := createdAt.Unix()
data := SerializerStruct{
Name: []byte("jinzhu"),
Roles: []string{"r1", "r2"},
Contracts: map[string]interface{}{"name": "jinzhu", "age": 10},
EncryptedString: EncryptedString("pass"),
CreatedTime: createdAt.Unix(),
UpdatedTime: &updatedAt,
JobInfo: Job{
Title: "programmer",
Number: 9920,
Location: "Kenmawr",
IsIntern: false,
},
CustomSerializerString: "world",
}
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)
}
AssertEqual(t, result, data)
}
func TestSerializerAssignFirstOrCreate(t *testing.T) {
schema.RegisterSerializer("custom", NewCustomSerializer("hello"))
DB.Migrator().DropTable(&SerializerStruct{})
if err := DB.Migrator().AutoMigrate(&SerializerStruct{}); err != nil {
t.Fatalf("no error should happen when migrate scanner, valuer struct, got error %v", err)
}
createdAt := time.Date(2020, 1, 1, 0, 0, 0, 0, time.UTC)
data := SerializerStruct{
Name: []byte("ag9920"),
Roles: []string{"r1", "r2"},
Contracts: map[string]interface{}{"name": "jing1", "age": 11},
EncryptedString: EncryptedString("pass"),
CreatedTime: createdAt.Unix(),
JobInfo: Job{
Title: "programmer",
Number: 9920,
Location: "Shadyside",
IsIntern: false,
},
CustomSerializerString: "world",
}
// first time insert record
out := SerializerStruct{}
if err := DB.Assign(data).FirstOrCreate(&out).Error; err != nil {
t.Fatalf("failed to FirstOrCreate Assigned data, got error %v", err)
}
var result SerializerStruct
if err := DB.First(&result, out.ID).Error; err != nil {
t.Fatalf("failed to query data, got error %v", err)
}
AssertEqual(t, result, out)
//update record
data.Roles = append(data.Roles, "r3")
data.JobInfo.Location = "Gates Hillman Complex"
if err := DB.Assign(data).FirstOrCreate(&out).Error; err != nil {
t.Fatalf("failed to FirstOrCreate Assigned data, got error %v", err)
}
if err := DB.First(&result, out.ID).Error; err != nil {
t.Fatalf("failed to query data, got error %v", err)
}
AssertEqual(t, result.Roles, data.Roles)
AssertEqual(t, result.JobInfo.Location, data.JobInfo.Location)
}