751c2a705f
Note recall is asymmetric: a short question goes in, a longer note comes out. Adds EmbedQuery/EmbedPassage helpers and the e5 prefixes, and points the note/fact write path at the passage side and the query path at the query side. Reviewers: the three call sites in voice.go. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01CGeSZxh1DCtRxmFVSYVGvJ
97 lines
3.2 KiB
Go
97 lines
3.2 KiB
Go
package router
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import (
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"context"
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"testing"
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)
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// TestHashEmbedderCyrillic guards the ru-first floor: a byte-only tokenizer
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// drops every Cyrillic word (bytes ≥ 0x80) and embeds Russian to the zero
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// vector — cosine 0 across all intents, misrouting every RU utterance. Assert
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// non-zero vectors, and that shared Russian words produce more similar vectors
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// than disjoint ones (the point of the bag-of-words floor).
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func TestHashEmbedderCyrillic(t *testing.T) {
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e := NewHashEmbedder(1024)
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ctx := context.Background()
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nonZero := func(text string) []float32 {
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v, err := e.Embed(ctx, text)
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if err != nil {
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t.Fatalf("embed %q: %v", text, err)
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}
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var sum float64
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for _, x := range v {
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sum += float64(x) * float64(x)
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}
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if sum == 0 {
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t.Fatalf("embed %q → zero vector (tokenizer dropped all tokens)", text)
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}
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return v
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}
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a := nonZero("найди заметку про сервер")
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b := nonZero("найди заметку про роутер") // shares 3 of 4 words
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c := nonZero("перезагрузи компьютер") // disjoint
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if cosine(a, b) <= cosine(a, c) {
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t.Fatalf("cosine(shared)=%.3f not > cosine(disjoint)=%.3f", cosine(a, b), cosine(a, c))
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}
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}
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// recordingEmbedder â an asymmetric embedder that only remembers which side
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// was asked for. Enough to pin the dispatch; real vectors need the model.
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type recordingEmbedder struct{ calls []string }
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func (r *recordingEmbedder) Dim() int { return 2 }
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func (r *recordingEmbedder) Close() error { return nil }
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func (r *recordingEmbedder) Embed(_ context.Context, _ string) ([]float32, error) {
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r.calls = append(r.calls, "embed")
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return []float32{1, 0}, nil
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}
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func (r *recordingEmbedder) EmbedQuery(_ context.Context, _ string) ([]float32, error) {
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r.calls = append(r.calls, "query")
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return []float32{1, 0}, nil
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}
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func (r *recordingEmbedder) EmbedPassage(_ context.Context, _ string) ([]float32, error) {
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r.calls = append(r.calls, "passage")
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return []float32{0, 1}, nil
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}
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// TestEmbedQueryAndPassageSplit â a question and a stored note must not take
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// the same path. If both ended up on the same call the asymmetric model buys
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// nothing, which is the whole reason for the swap.
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func TestEmbedQueryAndPassageSplit(t *testing.T) {
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rec := &recordingEmbedder{}
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if _, err := EmbedQuery(context.Background(), rec, "где логи?"); err != nil {
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t.Fatalf("EmbedQuery: %v", err)
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}
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if _, err := EmbedPassage(context.Background(), rec, "логи в /var/log"); err != nil {
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t.Fatalf("EmbedPassage: %v", err)
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}
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if len(rec.calls) != 2 || rec.calls[0] != "query" || rec.calls[1] != "passage" {
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t.Errorf("calls %v, want [query passage]", rec.calls)
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}
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}
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// TestEmbedFallsBackToPlainEmbed â HashEmbedder has no sides, so both helpers
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// must still work and give the same vector.
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func TestEmbedFallsBackToPlainEmbed(t *testing.T) {
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h := NewHashEmbedder(64)
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q, err := EmbedQuery(context.Background(), h, "text")
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if err != nil {
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t.Fatalf("EmbedQuery: %v", err)
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}
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p, err := EmbedPassage(context.Background(), h, "text")
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if err != nil {
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t.Fatalf("EmbedPassage: %v", err)
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}
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for i := range q {
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if q[i] != p[i] {
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t.Fatalf("hash embedder gave two different vectors for the same text")
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}
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}
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}
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