优化结构

internal/service/system/version_import_test.go

@@ -0,0 +1,36 @@
+package system
+
+import (
+	"context"
+	"errors"
+	"testing"
+
+	bizsystem "kra/internal/biz/system"
+	"kra/internal/service/dto"
+)
+
+type versionImportRepo struct {
+	bizsystem.VersionRepo
+	saveErr error
+}
+
+func (r *versionImportRepo) ImportVersionBundle(context.Context, *bizsystem.VersionBundle) error {
+	return nil
+}
+
+func (r *versionImportRepo) CreateVersion(context.Context, *bizsystem.Version) error {
+	return r.saveErr
+}
+
+func TestImportRequestReturnsVersionAuditSaveFailure(t *testing.T) {
+	repo := &versionImportRepo{saveErr: errors.New("database unavailable")}
+	service := NewVersionService(bizsystem.NewVersionUsecase(repo))
+	request := &dto.ImportVersionRequest{}
+	request.Version.Name = "release"
+	request.Version.Code = "v1"
+	err := service.ImportRequest(context.Background(), request)
+	var stageErr *bizsystem.VersionStageError
+	if !errors.As(err, &stageErr) || stageErr.Stage != bizsystem.VersionStageSave {
+		t.Fatalf("ImportRequest() error = %v, want save stage error", err)
+	}
+}