65 lines
1.6 KiB
Go
65 lines
1.6 KiB
Go
package tests_test
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import (
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"bytes"
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"context"
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"fmt"
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"reflect"
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"strings"
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"testing"
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"gorm.io/gorm"
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"gorm.io/gorm/schema"
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. "gorm.io/gorm/utils/tests"
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)
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type SerializerStruct struct {
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gorm.Model
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Name []byte `gorm:"json"`
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Roles Roles `gorm:"json"`
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EncryptedString EncryptedString
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}
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type Roles []string
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type EncryptedString string
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func (es *EncryptedString) Scan(ctx context.Context, field *schema.Field, dst reflect.Value, dbValue interface{}) (err error) {
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switch value := dbValue.(type) {
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case []byte:
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*es = EncryptedString(bytes.TrimPrefix(value, []byte("hello")))
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case string:
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*es = EncryptedString(strings.TrimPrefix(value, "hello"))
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default:
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return fmt.Errorf("unsupported data %v", dbValue)
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}
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return nil
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}
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func (es EncryptedString) Value(ctx context.Context, field *schema.Field, dst reflect.Value, fieldValue interface{}) (interface{}, error) {
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return "hello" + string(es), nil
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}
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func TestSerializer(t *testing.T) {
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DB.Migrator().DropTable(&SerializerStruct{})
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if err := DB.Migrator().AutoMigrate(&SerializerStruct{}); err != nil {
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t.Fatalf("no error should happen when migrate scanner, valuer struct, got error %v", err)
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}
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data := SerializerStruct{
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Name: []byte("jinzhu"),
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Roles: []string{"r1", "r2"},
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EncryptedString: EncryptedString("pass"),
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}
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if err := DB.Create(&data).Error; err != nil {
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t.Fatalf("failed to create data, got error %v", err)
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}
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var result SerializerStruct
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if err := DB.First(&result, data.ID).Error; err != nil {
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t.Fatalf("failed to query data, got error %v", err)
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}
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AssertEqual(t, result, data)
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}
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