test: coverage for duplicated key err (go-gorm#6389)

* test: ErrDuplicatedKey coverage added

* test: updated sqlserver version

* test: removed sqlserver

* test: support added for sqlserver

---------

Co-authored-by: Saeid Saeidee <[email protected]>

Author: saeidee

tests/associations_many2many_test.go

@@ -358,7 +358,7 @@ func TestDuplicateMany2ManyAssociation(t *testing.T) {
 }
 
 func TestConcurrentMany2ManyAssociation(t *testing.T) {
-	db, err := OpenTestConnection()
+	db, err := OpenTestConnection(&gorm.Config{})
 	if err != nil {
 		t.Fatalf("open test connection failed, err: %+v", err)
 	}

tests/error_translator_test.go

@@ -27,3 +27,34 @@ func TestDialectorWithErrorTranslatorSupport(t *testing.T) {
 		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
+	}
+
+	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)
+	}
+}

tests/go.mod

@@ -8,12 +8,11 @@ require (
 	github.com/jinzhu/now v1.1.5
 	github.com/lib/pq v1.10.8
 	github.com/mattn/go-sqlite3 v1.14.16 // indirect
-	golang.org/x/crypto v0.8.0 // indirect
 	gorm.io/driver/mysql v1.5.0
 	gorm.io/driver/postgres v1.5.0
 	gorm.io/driver/sqlite v1.5.0
-	gorm.io/driver/sqlserver v1.4.3
-	gorm.io/gorm v1.25.0
+	gorm.io/driver/sqlserver v1.5.1
+	gorm.io/gorm v1.25.1
 )
 
 replace gorm.io/gorm => ../

tests/prepared_stmt_test.go

@@ -92,7 +92,7 @@ func TestPreparedStmtFromTransaction(t *testing.T) {
 }
 
 func TestPreparedStmtDeadlock(t *testing.T) {
-	tx, err := OpenTestConnection()
+	tx, err := OpenTestConnection(&gorm.Config{})
 	AssertEqual(t, err, nil)
 
 	sqlDB, _ := tx.DB()
@@ -127,7 +127,7 @@ func TestPreparedStmtDeadlock(t *testing.T) {
 }
 
 func TestPreparedStmtError(t *testing.T) {
-	tx, err := OpenTestConnection()
+	tx, err := OpenTestConnection(&gorm.Config{})
 	AssertEqual(t, err, nil)
 
 	sqlDB, _ := tx.DB()

tests/tests_test.go

@@ -26,7 +26,7 @@ var (
 
 func init() {
 	var err error
-	if DB, err = OpenTestConnection(); err != nil {
+	if DB, err = OpenTestConnection(&gorm.Config{}); err != nil {
 		log.Printf("failed to connect database, got error %v", err)
 		os.Exit(1)
 	} else {
@@ -49,15 +49,15 @@ func init() {
 	}
 }
 
-func OpenTestConnection() (db *gorm.DB, err error) {
+func OpenTestConnection(cfg *gorm.Config) (db *gorm.DB, err error) {
 	dbDSN := os.Getenv("GORM_DSN")
 	switch os.Getenv("GORM_DIALECT") {
 	case "mysql":
 		log.Println("testing mysql...")
 		if dbDSN == "" {
 			dbDSN = mysqlDSN
 		}
-		db, err = gorm.Open(mysql.Open(dbDSN), &gorm.Config{})
+		db, err = gorm.Open(mysql.Open(dbDSN), cfg)
 	case "postgres":
 		log.Println("testing postgres...")
 		if dbDSN == "" {
@@ -66,7 +66,7 @@ func OpenTestConnection() (db *gorm.DB, err error) {
 		db, err = gorm.Open(postgres.New(postgres.Config{
 			DSN:                  dbDSN,
 			PreferSimpleProtocol: true,
-		}), &gorm.Config{})
+		}), cfg)
 	case "sqlserver":
 		// go install github.com/microsoft/go-sqlcmd/cmd/sqlcmd@latest
 		// SQLCMDPASSWORD=LoremIpsum86 sqlcmd -U sa -S localhost:9930
@@ -80,16 +80,16 @@ func OpenTestConnection() (db *gorm.DB, err error) {
 		if dbDSN == "" {
 			dbDSN = sqlserverDSN
 		}
-		db, err = gorm.Open(sqlserver.Open(dbDSN), &gorm.Config{})
+		db, err = gorm.Open(sqlserver.Open(dbDSN), cfg)
 	case "tidb":
 		log.Println("testing tidb...")
 		if dbDSN == "" {
 			dbDSN = tidbDSN
 		}
-		db, err = gorm.Open(mysql.Open(dbDSN), &gorm.Config{})
+		db, err = gorm.Open(mysql.Open(dbDSN), cfg)
 	default:
 		log.Println("testing sqlite3...")
-		db, err = gorm.Open(sqlite.Open(filepath.Join(os.TempDir(), "gorm.db")), &gorm.Config{})
+		db, err = gorm.Open(sqlite.Open(filepath.Join(os.TempDir(), "gorm.db")), cfg)
 	}
 
 	if err != nil {

tests/transaction_test.go

@@ -361,7 +361,7 @@ func TestDisabledNestedTransaction(t *testing.T) {
 }
 
 func TestTransactionOnClosedConn(t *testing.T) {
-	DB, err := OpenTestConnection()
+	DB, err := OpenTestConnection(&gorm.Config{})
 	if err != nil {
 		t.Fatalf("failed to connect database, got error %v", err)
 	}