gorm/tests/error_translator_test.go

112 lines
3.1 KiB
Go

package tests_test
import (
"errors"
"testing"
"gorm.io/gorm"
"gorm.io/gorm/utils/tests"
)
func TestDialectorWithErrorTranslatorSupport(t *testing.T) {
// it shouldn't translate error when the TranslateError flag is false
translatedErr := errors.New("translated error")
untranslatedErr := errors.New("some random error")
db, _ := gorm.Open(tests.DummyDialector{TranslatedErr: translatedErr})
err := db.AddError(untranslatedErr)
if !errors.Is(err, untranslatedErr) {
t.Fatalf("expected err: %v got err: %v", untranslatedErr, err)
}
// it should translate error when the TranslateError flag is true
db, _ = gorm.Open(tests.DummyDialector{TranslatedErr: translatedErr}, &gorm.Config{TranslateError: true})
err = db.AddError(untranslatedErr)
if !errors.Is(err, translatedErr) {
t.Fatalf("expected err: %v got err: %v", translatedErr, err)
}
}
func TestSupportedDialectorWithErrDuplicatedKey(t *testing.T) {
type City struct {
gorm.Model
Name string `gorm:"unique"`
}
db, err := OpenTestConnection(&gorm.Config{TranslateError: true})
if err != nil {
t.Fatalf("failed to connect database, got error %v", err)
}
dialectors := map[string]bool{"sqlite": true, "postgres": true, "mysql": true, "sqlserver": true}
if supported, found := dialectors[db.Dialector.Name()]; !(found && supported) {
return
}
DB.Migrator().DropTable(&City{})
if err = db.AutoMigrate(&City{}); err != nil {
t.Fatalf("failed to migrate cities table, got error: %v", err)
}
err = db.Create(&City{Name: "Kabul"}).Error
if err != nil {
t.Fatalf("failed to create record: %v", err)
}
err = db.Create(&City{Name: "Kabul"}).Error
if !errors.Is(err, gorm.ErrDuplicatedKey) {
t.Fatalf("expected err: %v got err: %v", gorm.ErrDuplicatedKey, err)
}
}
func TestSupportedDialectorWithErrForeignKeyViolated(t *testing.T) {
tidbSkip(t, "not support the foreign key feature")
type City struct {
gorm.Model
Name string `gorm:"unique"`
}
type Museum struct {
gorm.Model
Name string `gorm:"unique"`
CityID uint
City City `gorm:"Constraint:OnUpdate:CASCADE,OnDelete:CASCADE;FOREIGNKEY:CityID;References:ID"`
}
db, err := OpenTestConnection(&gorm.Config{TranslateError: true})
if err != nil {
t.Fatalf("failed to connect database, got error %v", err)
}
dialectors := map[string]bool{"sqlite": true, "postgres": true, "mysql": true, "sqlserver": true}
if supported, found := dialectors[db.Dialector.Name()]; !(found && supported) {
return
}
DB.Migrator().DropTable(&City{}, &Museum{})
if err = db.AutoMigrate(&City{}, &Museum{}); err != nil {
t.Fatalf("failed to migrate countries & cities tables, got error: %v", err)
}
city := City{Name: "Amsterdam"}
err = db.Create(&city).Error
if err != nil {
t.Fatalf("failed to create city: %v", err)
}
err = db.Create(&Museum{Name: "Eye Filmmuseum", CityID: city.ID}).Error
if err != nil {
t.Fatalf("failed to create museum: %v", err)
}
err = db.Create(&Museum{Name: "Dungeon", CityID: 123}).Error
if !errors.Is(err, gorm.ErrForeignKeyViolated) {
t.Fatalf("expected err: %v got err: %v", gorm.ErrForeignKeyViolated, err)
}
}