package system import ( "context" "kra/internal/biz/system" "testing" ) type dictionaryExportRepo struct { system.DictionaryRepo value *system.Dictionary } func (r dictionaryExportRepo) ExportDictionary(context.Context, uint) (*system.Dictionary, error) { return r.value, nil } func TestExportDictionaryPreservesNilDetails(t *testing.T) { service := NewDictionaryService(system.NewDictionaryUsecase(dictionaryExportRepo{value: &system.Dictionary{Name: "empty", Type: "empty"}})) result, err := service.ExportDictionary(context.Background(), 1) if err != nil { t.Fatal(err) } if result.SysDictionaryDetails != nil { t.Fatalf("export details = %#v, want nil", result.SysDictionaryDetails) } }