go-sdk/mcp/prompt_test.go
Rob Findley af4d138732 internal/mcp: support prompts
Add support for 'prompts/list' and 'prompts/get', and registering
prompts on the server using AddPrompts. Add a 'MakePrompt' helper to
construct prompts from a prompt handler using reflection.

Change-Id: I479cb9c9b99313cca99640c1f5ea1939363759e6
Reviewed-on: https://go-review.googlesource.com/c/tools/+/669015
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Jonathan Amsterdam <jba@google.com>
2025-05-01 18:43:44 -07:00

54 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"
"testing"
"github.com/google/go-cmp/cmp"
"github.com/modelcontextprotocol/go-sdk/mcp"
"github.com/modelcontextprotocol/go-sdk/internal/protocol"
)
// testPromptHandler is used for type inference in TestMakePrompt.
func testPromptHandler[T any](context.Context, *mcp.ClientConnection, T) (*protocol.GetPromptResult, error) {
panic("not implemented")
}
func TestMakePrompt(t *testing.T) {
tests := []struct {
prompt *mcp.Prompt
want []protocol.PromptArgument
}{
{
mcp.MakePrompt("empty", "", testPromptHandler[struct{}]),
nil,
},
{
mcp.MakePrompt("add_arg", "", testPromptHandler[struct{}], mcp.Argument("x")),
[]protocol.PromptArgument{{Name: "x"}},
},
{
mcp.MakePrompt("combo", "", testPromptHandler[struct {
Name string `json:"name"`
Country string `json:"country,omitempty"`
State string
}],
mcp.Argument("name", mcp.Description("the person's name")),
mcp.Argument("State", mcp.Required(false))),
[]protocol.PromptArgument{
{Name: "State"},
{Name: "country"},
{Name: "name", Required: true, Description: "the person's name"},
},
},
}
for _, test := range tests {
if diff := cmp.Diff(test.want, test.prompt.Definition.Arguments); diff != "" {
t.Errorf("MakePrompt(%v) mismatch (-want +got):\n%s", test.prompt.Definition.Name, diff)
}
}
}