--- /dev/null
+// Copyright 2020 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package servertest
+
+import (
+ "context"
+ "testing"
+ "time"
+
+ "golang.org/x/tools/internal/jsonrpc2"
+)
+
+type msg struct {
+ Msg string
+}
+
+func fakeHandler(ctx context.Context, reply jsonrpc2.Replier, req jsonrpc2.Request) error {
+ return reply(ctx, &msg{"pong"}, nil)
+}
+
+func TestTestServer(t *testing.T) {
+ ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+ defer cancel()
+ server := jsonrpc2.HandlerServer(fakeHandler)
+ tcpTS := NewTCPServer(ctx, server, nil)
+ defer tcpTS.Close()
+ pipeTS := NewPipeServer(ctx, server, nil)
+ defer pipeTS.Close()
+
+ tests := []struct {
+ name string
+ connector Connector
+ }{
+ {"tcp", tcpTS},
+ {"pipe", pipeTS},
+ }
+
+ for _, test := range tests {
+ t.Run(test.name, func(t *testing.T) {
+ conn := test.connector.Connect(ctx)
+ conn.Go(ctx, jsonrpc2.MethodNotFound)
+ var got msg
+ if _, err := conn.Call(ctx, "ping", &msg{"ping"}, &got); err != nil {
+ t.Fatal(err)
+ }
+ if want := "pong"; got.Msg != want {
+ t.Errorf("conn.Call(...): returned %q, want %q", got, want)
+ }
+ })
+ }
+}