Update method tests

app/repository/method_update.go

@@ -14,7 +14,7 @@ func (m *UpdateMethod[T]) Init(repo *RepoBase[T]) {
 	m.repo = repo
 }
 
-func (m UpdateMethod[T]) Update(filter interface{}, values map[string]interface{}) (int64, error) {
+func (m UpdateMethod[T]) Update(filter interface{}, values map[string]any) (int64, error) {
 	var (
 		model T
 	)
@@ -23,7 +23,7 @@ func (m UpdateMethod[T]) Update(filter interface{}, values map[string]interface{
 	if err != nil {
 		return 0, err
 	}
-	result := query.Updates(values)
+	result := query.Model(&model).Updates(values)
 	if result.Error != nil {
 		return 0, result.Error
 	}

app/repository/method_update_test.go

@@ -0,0 +1,43 @@
+package repository
+
+import (
+	"fmt"
+	"regexp"
+	"testing"
+
+	"github.com/DATA-DOG/go-sqlmock"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestUpdateMethod(t *testing.T) {
+	t.Run("Update", func(t *testing.T) {
+		sqldb, db, mock := NewMockDB()
+		defer sqldb.Close()
+
+		repo := RepoBase[MyModel]{}
+		repo.Init(db, nil)
+
+		cnt := 10
+		filter := MyModelFilter{
+			CntGT: &cnt,
+		}
+		values := map[string]any{
+			"cnt":   111,
+			"value": 222,
+		}
+
+		sql := "UPDATE my_models SET cnt=$1,value=$2 WHERE my_models.cnt > $3"
+		mock.ExpectBegin()
+		mock.ExpectExec(fmt.Sprintf("^%s$", regexp.QuoteMeta(sql))).
+			WithArgs(values["cnt"], values["value"], cnt).
+			WillReturnResult(sqlmock.NewResult(1, 1))
+		mock.ExpectCommit()
+
+		_, err := repo.Update(filter, values)
+		assert.Nil(t, err)
+
+		if err := mock.ExpectationsWereMet(); err != nil {
+			t.Errorf("there were unfulfilled expectations: %s", err)
+		}
+	})
+}