e082a340be
Implement variadic options for building tools and schemas, to allow easier customization of tool input schemas. Also, make fields required, unless they are marked as "omitempty". Change-Id: I7a29258fae3ec5e7ea4906ed30ed6750979de962 Reviewed-on: https://go-review.googlesource.com/c/tools/+/668955 Reviewed-by: Jonathan Amsterdam <jba@google.com> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
89 lines
2.5 KiB
Go
89 lines
2.5 KiB
Go
// Copyright 2025 The Go MCP SDK Authors. All rights reserved.
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// Use of this source code is governed by an MIT-style
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// license that can be found in the LICENSE file.
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package mcp_test
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import (
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"context"
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"testing"
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"github.com/google/go-cmp/cmp"
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"github.com/modelcontextprotocol/go-sdk/mcp"
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"github.com/modelcontextprotocol/go-sdk/internal/jsonschema"
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)
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// testHandler is used for type inference in TestMakeTool.
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func testHandler[T any](context.Context, *mcp.ClientConnection, T) ([]mcp.Content, error) {
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panic("not implemented")
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}
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func TestMakeTool(t *testing.T) {
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tests := []struct {
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tool *mcp.Tool
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want *jsonschema.Schema
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}{
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{
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mcp.MakeTool("basic", "", testHandler[struct {
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Name string `json:"name"`
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}]),
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&jsonschema.Schema{
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Type: "object",
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Required: []string{"name"},
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Properties: map[string]*jsonschema.Schema{
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"name": {Type: "string"},
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},
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AdditionalProperties: &jsonschema.Schema{Not: new(jsonschema.Schema)},
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},
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},
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{
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mcp.MakeTool("enum", "", testHandler[struct{ Name string }], mcp.Input(
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mcp.Property("Name", mcp.Enum("x", "y", "z")),
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)),
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&jsonschema.Schema{
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Type: "object",
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Required: []string{"Name"},
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Properties: map[string]*jsonschema.Schema{
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"Name": {Type: "string", Enum: []any{"x", "y", "z"}},
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},
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AdditionalProperties: &jsonschema.Schema{Not: new(jsonschema.Schema)},
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},
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},
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{
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mcp.MakeTool("required", "", testHandler[struct {
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Name string `json:"name"`
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Language string `json:"language"`
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X int `json:"x,omitempty"`
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Y int `json:"y,omitempty"`
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}], mcp.Input(
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mcp.Property("x", mcp.Required(true)))),
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&jsonschema.Schema{
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Type: "object",
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Required: []string{"name", "language", "x"},
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Properties: map[string]*jsonschema.Schema{
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"language": {Type: "string"},
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"name": {Type: "string"},
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"x": {Type: "integer"},
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"y": {Type: "integer"},
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},
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AdditionalProperties: &jsonschema.Schema{Not: new(jsonschema.Schema)},
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},
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},
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{
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mcp.MakeTool("set_schema", "", testHandler[struct {
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X int `json:"x,omitempty"`
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Y int `json:"y,omitempty"`
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}], mcp.Input(
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mcp.Schema(&jsonschema.Schema{Type: "object"})),
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),
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&jsonschema.Schema{
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Type: "object",
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},
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},
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}
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for _, test := range tests {
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if diff := cmp.Diff(test.want, test.tool.Definition.InputSchema); diff != "" {
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t.Errorf("MakeTool(%v) mismatch (-want +got):\n%s", test.tool.Definition.Name, diff)
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}
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}
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}
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