package response import ( "bytes" "io" "net/http" "testing" "github.com/gofiber/fiber/v2" "wucher/internal/transport/http/jsonapi" ) func TestWriteErrorsSanitizesDetail(t *testing.T) { app := fiber.New() app.Get("/", func(c *fiber.Ctx) error { return WriteErrors(c, http.StatusUnprocessableEntity, []jsonapi.ErrorObject{{ Title: "Validation error", Detail: "raw validation detail", }}) }) req, _ := http.NewRequest(http.MethodGet, "/", nil) resp, err := app.Test(req) if err != nil { t.Fatalf("app.Test: %v", err) } body, _ := io.ReadAll(resp.Body) if bytes.Contains(body, []byte("raw validation detail")) { t.Fatalf("expected sanitized detail, got %s", string(body)) } if !bytes.Contains(body, []byte(`"detail":"validation failed"`)) { t.Fatalf("expected generic validation detail, got %s", string(body)) } }