snapshot of https://github.com/livekit/livekit.git @ 08c5433449c106943231037d0b892895f6e92d3b (2026-09-15)

pkg/routing/messagechannel_test.go

@@ -0,0 +1,50 @@
+// Copyright 2023 LiveKit, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package routing_test
+
+import (
+	"sync"
+	"testing"
+
+	"github.com/livekit/protocol/livekit"
+
+	"github.com/livekit/livekit-server/pkg/routing"
+)
+
+func TestMessageChannel_WriteMessageClosed(t *testing.T) {
+	// ensure it doesn't panic when written to after closing
+	m := routing.NewMessageChannel(livekit.ConnectionID("test"), routing.DefaultMessageChannelSize)
+	go func() {
+		for msg := range m.ReadChan() {
+			if msg == nil {
+				return
+			}
+		}
+	}()
+
+	wg := sync.WaitGroup{}
+	wg.Add(1)
+	go func() {
+		defer wg.Done()
+		for range 100 {
+			_ = m.WriteMessage(&livekit.SignalRequest{})
+		}
+	}()
+	_ = m.WriteMessage(&livekit.SignalRequest{})
+	m.Close()
+	_ = m.WriteMessage(&livekit.SignalRequest{})
+
+	wg.Wait()
+}