init

internal/client/llm_client_test.go

@@ -0,0 +1,75 @@
+package client
+
+import (
+	"encoding/json"
+	"io"
+	"net/http"
+	"net/http/httptest"
+	"sync/atomic"
+	"testing"
+	"time"
+
+	"qd-sc/internal/model"
+)
+
+func TestLLMClient_ChatCompletion_RetryRebuildsRequestBody(t *testing.T) {
+	var calls int32
+
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.URL.Path != "/chat/completions" {
+			w.WriteHeader(http.StatusNotFound)
+			return
+		}
+		if r.Method != http.MethodPost {
+			w.WriteHeader(http.StatusMethodNotAllowed)
+			return
+		}
+
+		body, err := io.ReadAll(r.Body)
+		if err != nil {
+			w.WriteHeader(http.StatusBadRequest)
+			return
+		}
+		if len(body) == 0 {
+			t.Fatalf("expected non-empty request body")
+		}
+
+		n := atomic.AddInt32(&calls, 1)
+		if n == 1 {
+			w.WriteHeader(http.StatusInternalServerError)
+			return
+		}
+
+		// 第二次返回一个最小合法响应
+		w.Header().Set("Content-Type", "application/json")
+		_ = json.NewEncoder(w).Encode(model.ChatCompletionResponse{
+			ID:      "chatcmpl-test",
+			Object:  "chat.completion",
+			Created: time.Now().Unix(),
+			Model:   "test-model",
+			Choices: []model.Choice{{Index: 0, FinishReason: "stop"}},
+		})
+	}))
+	defer srv.Close()
+
+	c := &LLMClient{
+		baseURL:    srv.URL,
+		apiKey:     "test",
+		httpClient: srv.Client(),
+		maxRetries: 2,
+	}
+
+	_, err := c.ChatCompletion(&model.ChatCompletionRequest{
+		Model: "test-model",
+		Messages: []model.Message{
+			{Role: "user", Content: "hi"},
+		},
+	})
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+
+	if got := atomic.LoadInt32(&calls); got != 2 {
+		t.Fatalf("expected 2 calls due to retry, got %d", got)
+	}
+}