61 lines
1.6 KiB
Go
61 lines
1.6 KiB
Go
package kb_test
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import (
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"context"
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"encoding/json"
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"net/http"
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"net/http/httptest"
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"testing"
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"chat-agent-system/internal/kb"
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)
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func TestReranker_MockServer(t *testing.T) {
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server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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if r.URL.Path != "/v1/rerank" {
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t.Errorf("unexpected path: %s", r.URL.Path)
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}
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var req struct {
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Model string `json:"model"`
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Query string `json:"query"`
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Documents []string `json:"documents"`
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}
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if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
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http.Error(w, err.Error(), http.StatusBadRequest)
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return
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}
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type result struct {
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Index int `json:"index"`
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RelevanceScore float64 `json:"relevance_score"`
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}
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var results []result
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for i := range req.Documents {
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results = append(results, result{
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Index: i,
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RelevanceScore: 0.95 - float64(i)*0.1,
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})
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}
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resp := map[string]any{"results": results}
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w.Header().Set("Content-Type", "application/json")
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json.NewEncoder(w).Encode(resp)
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}))
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defer server.Close()
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reranker := kb.NewReranker(server.URL, "test-key", "bge-reranker-v2-m3")
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docs := []string{
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"GB 9706.1-2020 医用电气设备安全通用要求",
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"GB/T 4208 外壳防护等级",
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}
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scores, err := reranker.Rerank(context.Background(), "医用电气安全接地", docs)
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if err != nil {
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t.Fatalf("Rerank failed: %v", err)
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}
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if len(scores) != len(docs) {
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t.Fatalf("expected %d scores, got %d", len(docs), len(scores))
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}
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if scores[0] <= scores[1] {
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t.Errorf("expected doc 0 score > doc 1 score, got %f vs %f", scores[0], scores[1])
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}
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}
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