优化结构

internal/integration/mq/emqx.go

@@ -72,6 +72,51 @@ func storeConfig(store *runtimeconfig.Store, provider string) runtimeconfig.Conf
 	return config
 }
 
+// TestConfig creates a short-lived provider client and closes it immediately.
+// For RabbitMQ this also checks the configured exchange and queue topology.
+func TestConfig(ctx context.Context, provider string, raw json.RawMessage) error {
+	if ctx != nil {
+		select {
+		case <-ctx.Done():
+			return ctx.Err()
+		default:
+		}
+	}
+	provider = strings.ToLower(strings.TrimSpace(provider))
+	if provider == ProviderEMQX {
+		values := map[string]any{}
+		if err := json.Unmarshal(raw, &values); err != nil {
+			return fmt.Errorf("decode %s configuration: %w", provider, err)
+		}
+		baseID := configText(values, "client_id")
+		values["client_id"] = fmt.Sprintf("%s-test-%d", baseID, time.Now().UnixNano())
+		encoded, err := json.Marshal(values)
+		if err != nil {
+			return fmt.Errorf("encode %s test configuration: %w", provider, err)
+		}
+		raw = encoded
+	}
+	client, err := newProviderClient(provider, raw)
+	if err != nil {
+		return err
+	}
+	if client == nil || !client.Connected() {
+		if client != nil {
+			_ = client.Close()
+		}
+		return platformmq.ErrUnavailable
+	}
+	closeErr := client.Close()
+	if ctx != nil {
+		select {
+		case <-ctx.Done():
+			return ctx.Err()
+		default:
+		}
+	}
+	return closeErr
+}
+
 func (r *Reloadable) apply(provider string, config runtimeconfig.Config) {
 	r.opMu.Lock()
 	defer r.opMu.Unlock()