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

test/pid_test.go

@@ -0,0 +1,45 @@
+// 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"
+	"os"
+	"testing"
+)
+
+func TestPidFile(t *testing.T) {
+	opts := DefaultTestOptions
+
+	file := createTempFile(t, "nats-server:pid_")
+	file.Close()
+	opts.PidFile = file.Name()
+
+	s := RunServer(&opts)
+	s.Shutdown()
+
+	buf, err := os.ReadFile(opts.PidFile)
+	if err != nil {
+		t.Fatalf("Could not read pid_file: %v", err)
+	}
+	if len(buf) <= 0 {
+		t.Fatal("Expected a non-zero length pid_file")
+	}
+
+	pid := 0
+	fmt.Sscanf(string(buf), "%d", &pid)
+	if pid != os.Getpid() {
+		t.Fatalf("Expected pid to be %d, got %d\n", os.Getpid(), pid)
+	}
+}