204b59483bAfter some experience with the flattened version of Content, we see that it can easily lead to incorrect usage and is a harder API to read. Therefore, this CL changes back to a design similar to what we had prior to https://go.dev/cl/672415, though opting to promote content unmarshalling to the protocol types that use it, which leads to an overall simpler api.
76 lines
2.3 KiB
Go
76 lines
2.3 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
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import (
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"context"
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"slices"
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"testing"
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"github.com/google/go-cmp/cmp"
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"github.com/google/go-cmp/cmp/cmpopts"
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"github.com/modelcontextprotocol/go-sdk/jsonschema"
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)
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type SayHiParams struct {
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Name string `json:"name"`
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}
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func SayHi(ctx context.Context, cc *ServerSession, params *CallToolParamsFor[SayHiParams]) (*CallToolResultFor[any], error) {
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return &CallToolResultFor[any]{
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Content: []Content{
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&TextContent{Text: "Hi " + params.Name},
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},
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}, nil
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}
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func TestFeatureSetOrder(t *testing.T) {
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toolA := NewServerTool("apple", "apple tool", SayHi).Tool
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toolB := NewServerTool("banana", "banana tool", SayHi).Tool
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toolC := NewServerTool("cherry", "cherry tool", SayHi).Tool
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testCases := []struct {
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tools []*Tool
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want []*Tool
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}{
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{[]*Tool{toolA, toolB, toolC}, []*Tool{toolA, toolB, toolC}},
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{[]*Tool{toolB, toolC, toolA}, []*Tool{toolA, toolB, toolC}},
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{[]*Tool{toolA, toolC}, []*Tool{toolA, toolC}},
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{[]*Tool{toolA, toolA, toolA}, []*Tool{toolA}},
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{[]*Tool{}, nil},
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}
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for _, tc := range testCases {
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fs := newFeatureSet(func(t *Tool) string { return t.Name })
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fs.add(tc.tools...)
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got := slices.Collect(fs.all())
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if diff := cmp.Diff(got, tc.want, cmpopts.IgnoreUnexported(jsonschema.Schema{})); diff != "" {
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t.Errorf("expected %v, got %v, (-want +got):\n%s", tc.want, got, diff)
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}
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}
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}
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func TestFeatureSetAbove(t *testing.T) {
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toolA := NewServerTool("apple", "apple tool", SayHi).Tool
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toolB := NewServerTool("banana", "banana tool", SayHi).Tool
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toolC := NewServerTool("cherry", "cherry tool", SayHi).Tool
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testCases := []struct {
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tools []*Tool
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above string
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want []*Tool
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}{
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{[]*Tool{toolA, toolB, toolC}, "apple", []*Tool{toolB, toolC}},
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{[]*Tool{toolA, toolB, toolC}, "banana", []*Tool{toolC}},
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{[]*Tool{toolA, toolB, toolC}, "cherry", nil},
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}
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for _, tc := range testCases {
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fs := newFeatureSet(func(t *Tool) string { return t.Name })
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fs.add(tc.tools...)
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got := slices.Collect(fs.above(tc.above))
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if diff := cmp.Diff(got, tc.want, cmpopts.IgnoreUnexported(jsonschema.Schema{})); diff != "" {
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t.Errorf("expected %v, got %v, (-want +got):\n%s", tc.want, got, diff)
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}
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}
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}
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