kami
39 lines
1.0 KiB
Go
39 lines
1.0 KiB
Go
package store
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import (
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"context"
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"testing"
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"time"
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)
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func TestQueryNotesRanksByCosine(t *testing.T) {
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ctx := context.Background()
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st := newTestStore(t)
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now := time.Now()
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// 3-dim vectors along distinct axes; query aligns with the "backups" note.
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if _, err := st.WriteNote(ctx, now, "prefer backups at 3am", []float32{1, 0, 0}, "tap:voice"); err != nil {
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t.Fatal(err)
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}
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if _, err := st.WriteNote(ctx, now, "gpu driver fixed the flicker", []float32{0, 1, 0}, "tap:voice"); err != nil {
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t.Fatal(err)
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}
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if _, err := st.WriteNote(ctx, now, "cat likes the window", []float32{0, 0, 1}, "tap:voice"); err != nil {
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t.Fatal(err)
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}
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got, err := st.QueryNotes(ctx, []float32{0.9, 0.1, 0}, 2)
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if err != nil {
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t.Fatal(err)
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}
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if len(got) != 2 {
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t.Fatalf("want 2 notes, got %d", len(got))
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}
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if got[0].Text != "prefer backups at 3am" {
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t.Errorf("nearest = %q, want backups note (score %.3f)", got[0].Text, got[0].Score)
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}
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if got[0].Score <= got[1].Score {
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t.Errorf("scores not descending: %.3f then %.3f", got[0].Score, got[1].Score)
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}
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}
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