package integration import ( "encoding/json" "fmt" "log/slog" ) func printJSONResponse(resp interface{}) error { b, err := json.MarshalIndent(resp, "", " ") if err != nil { return err } slog.Info(string(b)) return nil } type apiCodeGetter interface { IsCode(code int) bool } func expectAPIStatusCode(err error, expectedCode int) error { if err == nil { return fmt.Errorf("expected error, got nil") } apiErr, ok := err.(apiCodeGetter) if !ok { return fmt.Errorf("expected API error, got %v (%T)", err, err) } if !apiErr.IsCode(expectedCode) { return fmt.Errorf("expected status code %d: %v", expectedCode, err) } return nil }