feat(Sora): 完成Sora网关接入与媒体能力

新增 Sora 网关路由、账号调度与同步服务\n补充媒体代理与签名 URL、模型列表动态拉取\n完善计费配置、前端支持与相关测试

backend/internal/handler/admin/model_handler_test.go

@@ -0,0 +1,87 @@
+package admin
+
+import (
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"github.com/Wei-Shaw/sub2api/internal/config"
+	"github.com/Wei-Shaw/sub2api/internal/pkg/response"
+	"github.com/Wei-Shaw/sub2api/internal/service"
+
+	"github.com/gin-gonic/gin"
+)
+
+func TestModelHandlerListSoraSuccess(t *testing.T) {
+	gin.SetMode(gin.TestMode)
+
+	upstream := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		_, _ = w.Write([]byte(`{"object":"list","data":[{"id":"m1"},{"id":"m2"}]}`))
+	}))
+	t.Cleanup(upstream.Close)
+
+	cfg := &config.Config{}
+	cfg.Sora2API.BaseURL = upstream.URL
+	cfg.Sora2API.APIKey = "test-key"
+	soraService := service.NewSora2APIService(cfg)
+
+	h := NewModelHandler(soraService)
+	router := gin.New()
+	router.GET("/admin/models", h.List)
+
+	req := httptest.NewRequest(http.MethodGet, "/admin/models?platform=sora", nil)
+	recorder := httptest.NewRecorder()
+	router.ServeHTTP(recorder, req)
+
+	if recorder.Code != http.StatusOK {
+		t.Fatalf("status=%d body=%s", recorder.Code, recorder.Body.String())
+	}
+	var resp response.Response
+	if err := json.Unmarshal(recorder.Body.Bytes(), &resp); err != nil {
+		t.Fatalf("解析响应失败: %v", err)
+	}
+	if resp.Code != 0 {
+		t.Fatalf("响应 code=%d", resp.Code)
+	}
+	data, ok := resp.Data.([]any)
+	if !ok {
+		t.Fatalf("响应 data 类型错误")
+	}
+	if len(data) != 2 {
+		t.Fatalf("模型数量不符: %d", len(data))
+	}
+}
+
+func TestModelHandlerListSoraNotConfigured(t *testing.T) {
+	gin.SetMode(gin.TestMode)
+
+	h := NewModelHandler(&service.Sora2APIService{})
+	router := gin.New()
+	router.GET("/admin/models", h.List)
+
+	req := httptest.NewRequest(http.MethodGet, "/admin/models?platform=sora", nil)
+	recorder := httptest.NewRecorder()
+	router.ServeHTTP(recorder, req)
+
+	if recorder.Code != http.StatusServiceUnavailable {
+		t.Fatalf("status=%d body=%s", recorder.Code, recorder.Body.String())
+	}
+}
+
+func TestModelHandlerListInvalidPlatform(t *testing.T) {
+	gin.SetMode(gin.TestMode)
+
+	h := NewModelHandler(&service.Sora2APIService{})
+	router := gin.New()
+	router.GET("/admin/models", h.List)
+
+	req := httptest.NewRequest(http.MethodGet, "/admin/models?platform=unknown", nil)
+	recorder := httptest.NewRecorder()
+	router.ServeHTTP(recorder, req)
+
+	if recorder.Code != http.StatusBadRequest {
+		t.Fatalf("status=%d body=%s", recorder.Code, recorder.Body.String())
+	}
+}