优化

internal/data/transactions_test.go

@@ -63,6 +63,25 @@ func TestUserAuthorityWritesAreAtomic(t *testing.T) {
 	}
 }
 
+func TestSetUserAuthoritiesRejectsMissingUser(t *testing.T) {
+	data := newTransactionTestData(t)
+	ctx := context.Background()
+	if err := data.gormDB.WithContext(ctx).Create(&authorityPO{AuthorityID: 888, AuthorityName: "admin"}).Error; err != nil {
+		t.Fatal(err)
+	}
+	repo := &userRepo{data: data}
+	if err := repo.SetUserAuthorities(ctx, 999999, []uint{888}); err == nil || err.Error() != "查询用户数据失败" {
+		t.Fatalf("expected the compatible missing-user error, got %v", err)
+	}
+	var links int64
+	if err := data.gormDB.WithContext(ctx).Model(&userAuthorityPO{}).Where("sys_user_id = ?", 999999).Count(&links).Error; err != nil {
+		t.Fatal(err)
+	}
+	if links != 0 {
+		t.Fatalf("unexpected authority links for missing user: %d", links)
+	}
+}
+
 func TestDictionaryImportKeepsHierarchyInOneTransaction(t *testing.T) {
 	data := newTransactionTestData(t)
 	ctx := context.Background()