gorm/tests/rollback_unless_committed_test.go
2021-04-08 07:16:22 +08:00

49 lines
1.2 KiB
Go

package tests_test
import (
"errors"
"testing"
"gorm.io/gorm"
)
func TestRollbackUnlessCommitted(t *testing.T) {
type Product struct {
gorm.Model
Code string
Price uint
}
DB.Migrator().DropTable(&Product{})
if err := DB.Migrator().AutoMigrate(&Product{}); err != nil {
t.Fatalf("failed to auto migrate, got error: %v", err)
}
err := DB.RollbackUnlessCommitted().Error
if !errors.Is(err, gorm.ErrInvalidTransaction) {
t.Fatalf("want err %v, but get err %v", gorm.ErrInvalidTransaction, err)
}
tx := DB.Begin()
tx.Create(&Product{Code: "D42", Price: 100})
err = tx.RollbackUnlessCommitted().Error
if err != nil {
t.Fatalf("RollbackUnlessCommitted failed, got err %v", err)
}
var count int64
DB.Model(&Product{}).Where("price = ?", 100).Count(&count)
if count != 0 {
t.Fatalf("count should be 0, but get %d", count)
}
tx1 := DB.Begin()
tx1.Create(&Product{Code: "D42", Price: 100})
tx1.Commit()
err = tx.RollbackUnlessCommitted().Error
if err != nil {
t.Fatalf("RollbackUnlessCommitted failed, got err %v", err)
}
DB.Model(&Product{}).Where("price = ?", 100).Count(&count)
if count != 1 {
t.Fatalf("count should be 1, but get %d", count)
}
}