优化结构

internal/data/system/parameter_test.go

@@ -66,3 +66,27 @@ func TestParameterRepositoryKeepsReferenceEmptyQuerySemantics(t *testing.T) {
 		t.Fatalf("empty bulk delete removed rows: count=%d", count)
 	}
 }
+
+func TestParameterUpdateDoesNotReviveSoftDeletedRow(t *testing.T) {
+	data := newTransactionTestData(t)
+	repo := &parameterRepo{data: data}
+	ctx := context.Background()
+	item := &system.SystemParameter{Name: "before-delete", Key: "soft-delete-key", Value: "value"}
+	if err := repo.CreateParameter(ctx, item); err != nil {
+		t.Fatal(err)
+	}
+	if err := data.gormDB.WithContext(ctx).Delete(&parameterPO{}, item.ID).Error; err != nil {
+		t.Fatal(err)
+	}
+	item.Name = "must-not-revive"
+	if err := repo.UpdateParameter(ctx, item); err != nil {
+		t.Fatal(err)
+	}
+	var persisted parameterPO
+	if err := data.gormDB.WithContext(ctx).Unscoped().First(&persisted, item.ID).Error; err != nil {
+		t.Fatal(err)
+	}
+	if persisted.Name != "before-delete" || persisted.DeletedAt.Time.IsZero() {
+		t.Fatalf("soft-deleted row changed or revived: %+v", persisted)
+	}
+}