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zzet--gortex/internal/mcp/content_why_staleness_test.go
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chore: import upstream snapshot with attribution
2026-07-13 12:33:42 +08:00

70 lines
2.7 KiB
Go

package mcp
import (
"context"
"testing"
"github.com/stretchr/testify/require"
"github.com/zzet/gortex/internal/graph"
"github.com/zzet/gortex/internal/query"
)
// TestWhy_OnLeanContentNode verifies C5: the why-layer still resolves a
// content document that motivates a symbol after the content/code split —
// the lean content node carries name, asset_kind, and a snippet, and the
// EdgeMotivates edge is intact, so the one-hop walk returns the content
// entry unchanged in shape (the snippet stands in for the full body, which
// now lives in the content index).
func TestWhy_OnLeanContentNode(t *testing.T) {
s := newTestServer(t)
s.graph.AddBatch([]*graph.Node{
{
ID: "spec.pdf::doc:pdf_page-3", Kind: graph.KindDoc, Name: "spec.pdf p.3", FilePath: "spec.pdf",
Meta: map[string]any{
"data_class": "content", "asset_kind": "pdf_page",
"section_text": "the snippet preview", "content_indexed": true,
},
},
{ID: "pkg/x.go::DoThing", Kind: graph.KindFunction, Name: "DoThing", FilePath: "pkg/x.go"},
}, []*graph.Edge{
{From: "spec.pdf::doc:pdf_page-3", To: "pkg/x.go::DoThing", Kind: graph.EdgeMotivates,
Meta: map[string]any{"signal": "names_symbol"}},
})
s.engine = query.NewEngine(s.graph)
entries := s.whyEntriesFor(context.Background(), "pkg/x.go::DoThing")
require.Len(t, entries, 1)
require.Equal(t, "content", entries[0].Kind)
require.Equal(t, "pdf_page", entries[0].AssetKind)
require.Equal(t, "spec.pdf::doc:pdf_page-3", entries[0].SourceID)
require.Equal(t, "the snippet preview", entries[0].Text,
"the why-layer surfaces the lean node's snippet as the motivating text")
require.Equal(t, "names_symbol", entries[0].Signal)
}
// TestDocStaleness_OnLeanContentNode verifies C5: doc-staleness still flags
// a content document whose referenced symbol is gone, after leaning. It
// reads the source node's File/Name and the EdgeMotivates edges — never the
// body — so the lean node is fully sufficient.
func TestDocStaleness_OnLeanContentNode(t *testing.T) {
g := graph.New()
g.AddBatch([]*graph.Node{
{
ID: "spec.pdf::doc:pdf_page-0", Kind: graph.KindDoc, Name: "spec.pdf", FilePath: "spec.pdf",
Meta: map[string]any{"data_class": "content", "asset_kind": "pdf_page", "section_text": "snippet"},
},
}, []*graph.Edge{
// Motivates a symbol that does not exist → dangling.
{From: "spec.pdf::doc:pdf_page-0", To: "pkg/x.go::Gone", Kind: graph.EdgeMotivates},
})
res := analyzeDocStaleness(g, 50)
require.Equal(t, 1, res.AssessedLinks)
require.Len(t, res.Stale, 1)
require.Equal(t, "dangling", res.Stale[0].WorstState)
require.Equal(t, 1, res.Stale[0].Dangling)
require.Equal(t, "spec.pdf", res.Stale[0].File)
require.Equal(t, "spec.pdf::doc:pdf_page-0", res.Stale[0].Source)
}