feat: 实现 test/harness 集成测试启动器

test/harness/cmd/testserver/main.go

@@ -0,0 +1,35 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+	"os/signal"
+	"syscall"
+
+	"git.asio.asia/nixevol/NixMsg/test/harness"
+)
+
+func main() {
+	srv, err := harness.Start(harness.Options{KeepDir: true})
+	if err != nil {
+		fmt.Fprintln(os.Stderr, err)
+		os.Exit(1)
+	}
+	info := srv.ConnectionInfo()
+	enc := json.NewEncoder(os.Stdout)
+	enc.SetEscapeHTML(false)
+	if err := enc.Encode(info); err != nil {
+		_ = srv.Stop()
+		_ = os.RemoveAll(srv.DataDir)
+		fmt.Fprintln(os.Stderr, err)
+		os.Exit(1)
+	}
+
+	sigCh := make(chan os.Signal, 1)
+	signal.Notify(sigCh, os.Interrupt, syscall.SIGTERM)
+	<-sigCh
+
+	_ = srv.Stop()
+	_ = os.RemoveAll(srv.DataDir)
+}