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backend/sdk/translator/registry_bytes_test.go

@@ -0,0 +1,52 @@
+package translator
+
+import (
+	"bytes"
+	"context"
+	"testing"
+)
+
+func TestRegistryTranslateStreamReturnsByteChunks(t *testing.T) {
+	registry := NewRegistry()
+	registry.Register(FormatOpenAI, FormatGemini, nil, ResponseTransform{
+		Stream: func(ctx context.Context, model string, originalRequestRawJSON, requestRawJSON, rawJSON []byte, param *any) [][]byte {
+			return [][]byte{append([]byte(nil), rawJSON...)}
+		},
+	})
+
+	got := registry.TranslateStream(context.Background(), FormatGemini, FormatOpenAI, "model", nil, nil, []byte(`{"chunk":true}`), nil)
+	if len(got) != 1 {
+		t.Fatalf("expected 1 chunk, got %d", len(got))
+	}
+	if !bytes.Equal(got[0], []byte(`{"chunk":true}`)) {
+		t.Fatalf("unexpected chunk: %s", got[0])
+	}
+}
+
+func TestRegistryTranslateNonStreamReturnsBytes(t *testing.T) {
+	registry := NewRegistry()
+	registry.Register(FormatOpenAI, FormatGemini, nil, ResponseTransform{
+		NonStream: func(ctx context.Context, model string, originalRequestRawJSON, requestRawJSON, rawJSON []byte, param *any) []byte {
+			return append([]byte(nil), rawJSON...)
+		},
+	})
+
+	got := registry.TranslateNonStream(context.Background(), FormatGemini, FormatOpenAI, "model", nil, nil, []byte(`{"done":true}`), nil)
+	if !bytes.Equal(got, []byte(`{"done":true}`)) {
+		t.Fatalf("unexpected payload: %s", got)
+	}
+}
+
+func TestRegistryTranslateTokenCountReturnsBytes(t *testing.T) {
+	registry := NewRegistry()
+	registry.Register(FormatOpenAI, FormatGemini, nil, ResponseTransform{
+		TokenCount: func(ctx context.Context, count int64) []byte {
+			return []byte(`{"totalTokens":7}`)
+		},
+	})
+
+	got := registry.TranslateTokenCount(context.Background(), FormatGemini, FormatOpenAI, 7, []byte(`{"fallback":true}`))
+	if !bytes.Equal(got, []byte(`{"totalTokens":7}`)) {
+		t.Fatalf("unexpected payload: %s", got)
+	}
+}