优化结构

internal/config/runtime_test.go

@@ -116,3 +116,32 @@ func TestStoreWatchReloadAndClose(t *testing.T) {
 	}
 	t.Fatalf("watcher did not reload configuration: %#v", store.Snapshot())
 }
+
+func TestStoreWatchPreservesDatabaseBackedIntegrationSettings(t *testing.T) {
+	dir := t.TempDir()
+	path := filepath.Join(dir, "config.yaml")
+	writeConfig(t, path, "data: {}\nadmin: {}\n")
+	store, err := LoadStore(path)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer store.Close()
+	current := store.Snapshot()
+	current.Admin.Storage = &Storage{Type: "local"}
+	current.Admin.Email = &Email{Host: "smtp.example.com"}
+	store.Replace(current)
+
+	writeConfig(t, path, "data:\n  redis:\n    addr: 127.0.0.1:6379\nadmin: {}\n")
+	deadline := time.Now().Add(3 * time.Second)
+	for time.Now().Before(deadline) {
+		value := store.Snapshot()
+		if value != nil && value.Data != nil && value.Data.Redis != nil && value.Data.Redis.Addr != "" {
+			if value.Admin == nil || value.Admin.Storage == nil || value.Admin.Storage.Type != "local" || value.Admin.Email == nil || value.Admin.Email.Host != "smtp.example.com" {
+				t.Fatalf("database-backed settings were lost: %#v", value.Admin)
+			}
+			return
+		}
+		time.Sleep(20 * time.Millisecond)
+	}
+	t.Fatal("watcher did not publish the changed file")
+}