e219f323cb
Unbreak our WASM tests by correctly marking a test as testenv.NeedsExec. Change-Id: Ib976657e9b09acc6fc563f6fc26d6066fd64acf5 Reviewed-on: https://go-review.googlesource.com/c/tools/+/678035 Reviewed-by: Alan Donovan <adonovan@google.com> Auto-Submit: Robert Findley <rfindley@google.com> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
75 lines
1.7 KiB
Go
75 lines
1.7 KiB
Go
// Copyright 2025 The Go MCP SDK Authors. All rights reserved.
|
|
// Use of this source code is governed by an MIT-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package mcp_test
|
|
|
|
import (
|
|
"context"
|
|
"log"
|
|
"os"
|
|
"os/exec"
|
|
"testing"
|
|
|
|
"github.com/google/go-cmp/cmp"
|
|
"github.com/modelcontextprotocol/go-sdk/mcp"
|
|
"golang.org/x/tools/internal/testenv"
|
|
)
|
|
|
|
const runAsServer = "_MCP_RUN_AS_SERVER"
|
|
|
|
func TestMain(m *testing.M) {
|
|
if os.Getenv(runAsServer) != "" {
|
|
os.Unsetenv(runAsServer)
|
|
runServer()
|
|
return
|
|
}
|
|
os.Exit(m.Run())
|
|
}
|
|
|
|
func runServer() {
|
|
ctx := context.Background()
|
|
|
|
server := mcp.NewServer("greeter", "v0.0.1", nil)
|
|
server.AddTools(mcp.NewTool("greet", "say hi", SayHi))
|
|
|
|
if err := server.Run(ctx, mcp.NewStdIOTransport()); err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
}
|
|
|
|
func TestCmdTransport(t *testing.T) {
|
|
testenv.NeedsExec(t)
|
|
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
exe, err := os.Executable()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
cmd := exec.Command(exe)
|
|
cmd.Env = append(os.Environ(), runAsServer+"=true")
|
|
|
|
client := mcp.NewClient("client", "v0.0.1", nil)
|
|
session, err := client.Connect(ctx, mcp.NewCommandTransport(cmd))
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
got, err := mcp.CallTool(ctx, session, &mcp.CallToolParams[map[string]any]{
|
|
Name: "greet",
|
|
Arguments: map[string]any{"name": "user"},
|
|
})
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
want := &mcp.CallToolResult{
|
|
Content: []*mcp.Content{{Type: "text", Text: "Hi user"}},
|
|
}
|
|
if diff := cmp.Diff(want, got); diff != "" {
|
|
t.Errorf("greet returned unexpected content (-want +got):\n%s", diff)
|
|
}
|
|
if err := session.Close(); err != nil {
|
|
t.Fatalf("closing server: %v", err)
|
|
}
|
|
}
|