snapshot of https://github.com/nats-io/nats-server.git (main, 2026-09-15; blobs > 131072B omitted)

test/gosrv_test.go

@@ -0,0 +1,65 @@
+// Copyright 2012-2025 The NATS Authors
+// 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 test
+
+import (
+	"fmt"
+	"net"
+	"runtime"
+	"testing"
+	"time"
+)
+
+func TestSimpleGoServerShutdown(t *testing.T) {
+	base := runtime.NumGoroutine()
+	opts := DefaultTestOptions
+	opts.Port = -1
+	s := RunServer(&opts)
+	s.Shutdown()
+	checkFor(t, time.Second, 100*time.Millisecond, func() error {
+		delta := (runtime.NumGoroutine() - base)
+		if delta > 1 {
+			return fmt.Errorf("%d go routines still exist post Shutdown()", delta)
+		}
+		return nil
+	})
+}
+
+func TestGoServerShutdownWithClients(t *testing.T) {
+	base := runtime.NumGoroutine()
+	opts := DefaultTestOptions
+	opts.Port = -1
+	s := RunServer(&opts)
+	addr := s.Addr().(*net.TCPAddr)
+	for i := 0; i < 50; i++ {
+		createClientConn(t, "127.0.0.1", addr.Port)
+	}
+	s.Shutdown()
+	// Wait longer for client connections
+	time.Sleep(1 * time.Second)
+	delta := (runtime.NumGoroutine() - base)
+	// There may be some finalizers or IO, but in general more than
+	// 2 as a delta represents a problem.
+	if delta > 2 {
+		t.Fatalf("%d Go routines still exist post Shutdown()", delta)
+	}
+}
+
+func TestGoServerMultiShutdown(t *testing.T) {
+	opts := DefaultTestOptions
+	opts.Port = -1
+	s := RunServer(&opts)
+	s.Shutdown()
+	s.Shutdown()
+}