6394485a3d
CallTool takes a tool name, arguments, and an options struct. Also, pass the params to ToolHandler. Update the design doc accordingly. Change-Id: I21b7995b607bea976ad708ebb6ac0716018f39cb Reviewed-on: https://go-review.googlesource.com/c/tools/+/672596 Reviewed-by: Robert Findley <rfindley@google.com> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
68 lines
1.5 KiB
Go
68 lines
1.5 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"
|
|
)
|
|
|
|
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(), nil); err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
}
|
|
|
|
func TestCmdTransport(t *testing.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", mcp.NewCommandTransport(cmd), nil)
|
|
if err := client.Start(ctx); err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
got, err := client.CallTool(ctx, "greet", map[string]any{"name": "user"}, nil)
|
|
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 := client.Close(); err != nil {
|
|
t.Fatalf("closing server: %v", err)
|
|
}
|
|
}
|