Files
Maven/internal/router/embedder_test.go
T
2026-07-03 00:32:48 +02:00

40 lines
1.2 KiB
Go

package router
import (
"context"
"testing"
)
// TestHashEmbedderCyrillic guards the ru-first floor: a byte-only tokenizer
// drops every Cyrillic word (bytes ≥ 0x80) and embeds Russian to the zero
// vector — cosine 0 across all intents, misrouting every RU utterance. Assert
// non-zero vectors, and that shared Russian words produce more similar vectors
// than disjoint ones (the point of the bag-of-words floor).
func TestHashEmbedderCyrillic(t *testing.T) {
e := NewHashEmbedder(1024)
ctx := context.Background()
nonZero := func(text string) []float32 {
v, err := e.Embed(ctx, text)
if err != nil {
t.Fatalf("embed %q: %v", text, err)
}
var sum float64
for _, x := range v {
sum += float64(x) * float64(x)
}
if sum == 0 {
t.Fatalf("embed %q → zero vector (tokenizer dropped all tokens)", text)
}
return v
}
a := nonZero("найди заметку про сервер")
b := nonZero("найди заметку про роутер") // shares 3 of 4 words
c := nonZero("перезагрузи компьютер") // disjoint
if cosine(a, b) <= cosine(a, c) {
t.Fatalf("cosine(shared)=%.3f not > cosine(disjoint)=%.3f", cosine(a, b), cosine(a, c))
}
}