sub2api/backend/internal/handler/admin/channel_handler_test.go
wucm667 92ad68a314 feat(channels): 模型定价支持一键同步最新模型
从 LiteLLM 定价目录中读取指定平台的最新模型列表,
将尚未录入的模型以新定价条目(价格留空)的形式追加,
管理员只需点击同步最新模型按钮即可完成操作。

- backend/service: PricingService 新增 ListModelNamesByProvider
- backend/handler: ChannelHandler 新增 SyncPricingModels (GET /api/v1/admin/channels/pricing/sync-models)
- backend/routes: 注册新路由(在 /:id 通配符之前)
- backend/wire_gen: 手动更新 NewChannelHandler 调用
- frontend/api: channels.ts 新增 syncPricingModels
- frontend/i18n: zh.ts / en.ts 新增 5 个 key
- frontend/view: ChannelsView 定价区域标题行新增「同步最新模型」按钮
- tests: pricing_service_test + channel_handler_test 新增单元测试
2026-05-19 20:32:32 +08:00

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//go:build unit
package admin
import (
"encoding/json"
"net/http"
"net/http/httptest"
"testing"
"time"
"github.com/Wei-Shaw/sub2api/internal/service"
"github.com/gin-gonic/gin"
"github.com/stretchr/testify/require"
)
// ---------------------------------------------------------------------------
// helpers
// ---------------------------------------------------------------------------
func float64Ptr(v float64) *float64 { return &v }
func intPtr(v int) *int { return &v }
// ---------------------------------------------------------------------------
// 1. channelToResponse
// ---------------------------------------------------------------------------
func TestChannelToResponse_NilInput(t *testing.T) {
require.Nil(t, channelToResponse(nil))
}
func TestChannelToResponse_FullChannel(t *testing.T) {
now := time.Date(2025, 6, 1, 12, 0, 0, 0, time.UTC)
ch := &service.Channel{
ID: 42,
Name: "test-channel",
Description: "desc",
Status: "active",
BillingModelSource: "upstream",
RestrictModels: true,
CreatedAt: now,
UpdatedAt: now.Add(time.Hour),
GroupIDs: []int64{1, 2, 3},
ModelPricing: []service.ChannelModelPricing{
{
ID: 10,
Platform: "openai",
Models: []string{"gpt-4"},
BillingMode: service.BillingModeToken,
InputPrice: float64Ptr(0.01),
OutputPrice: float64Ptr(0.03),
CacheWritePrice: float64Ptr(0.005),
CacheReadPrice: float64Ptr(0.002),
PerRequestPrice: float64Ptr(0.5),
},
},
ModelMapping: map[string]map[string]string{
"anthropic": {"claude-3-haiku": "claude-haiku-3"},
},
}
resp := channelToResponse(ch)
require.NotNil(t, resp)
require.Equal(t, int64(42), resp.ID)
require.Equal(t, "test-channel", resp.Name)
require.Equal(t, "desc", resp.Description)
require.Equal(t, "active", resp.Status)
require.Equal(t, "upstream", resp.BillingModelSource)
require.True(t, resp.RestrictModels)
require.Equal(t, []int64{1, 2, 3}, resp.GroupIDs)
require.Equal(t, "2025-06-01T12:00:00Z", resp.CreatedAt)
require.Equal(t, "2025-06-01T13:00:00Z", resp.UpdatedAt)
// model mapping
require.Len(t, resp.ModelMapping, 1)
require.Equal(t, "claude-haiku-3", resp.ModelMapping["anthropic"]["claude-3-haiku"])
// pricing
require.Len(t, resp.ModelPricing, 1)
p := resp.ModelPricing[0]
require.Equal(t, int64(10), p.ID)
require.Equal(t, "openai", p.Platform)
require.Equal(t, []string{"gpt-4"}, p.Models)
require.Equal(t, "token", p.BillingMode)
require.Equal(t, float64Ptr(0.01), p.InputPrice)
require.Equal(t, float64Ptr(0.03), p.OutputPrice)
require.Equal(t, float64Ptr(0.005), p.CacheWritePrice)
require.Equal(t, float64Ptr(0.002), p.CacheReadPrice)
require.Equal(t, float64Ptr(0.5), p.PerRequestPrice)
require.Empty(t, p.Intervals)
}
func TestChannelToResponse_EmptyDefaults(t *testing.T) {
now := time.Date(2025, 1, 1, 0, 0, 0, 0, time.UTC)
ch := &service.Channel{
ID: 1,
Name: "ch",
BillingModelSource: service.BillingModelSourceChannelMapped,
CreatedAt: now,
UpdatedAt: now,
GroupIDs: nil,
ModelMapping: nil,
ModelPricing: []service.ChannelModelPricing{
{
Platform: "",
BillingMode: "",
Models: []string{"m1"},
},
},
}
// handler 层 channelToResponse 现在是纯透传BillingModelSource 的空值兜底
// 已下放到 service 层Create/GetByID/List/Update/ListAvailable 出口统一处理),
// 因此这里构造 fixture 时直接传入归一化后的值。
resp := channelToResponse(ch)
require.Equal(t, "channel_mapped", resp.BillingModelSource)
require.NotNil(t, resp.GroupIDs)
require.Empty(t, resp.GroupIDs)
require.NotNil(t, resp.ModelMapping)
require.Empty(t, resp.ModelMapping)
require.Len(t, resp.ModelPricing, 1)
require.Equal(t, "anthropic", resp.ModelPricing[0].Platform)
require.Equal(t, "token", resp.ModelPricing[0].BillingMode)
}
func TestChannelToResponse_BillingModelSourcePassthrough(t *testing.T) {
// handler 不再兜底 BillingModelSource空值应原样透传由 service 层负责默认回填)。
ch := &service.Channel{
ID: 1,
Name: "ch",
BillingModelSource: "",
CreatedAt: time.Now(),
UpdatedAt: time.Now(),
}
resp := channelToResponse(ch)
require.Equal(t, "", resp.BillingModelSource, "handler 应纯透传,默认值由 service.normalizeBillingModelSource 负责")
}
func TestChannelToResponse_NilModels(t *testing.T) {
now := time.Now()
ch := &service.Channel{
ID: 1,
Name: "ch",
CreatedAt: now,
UpdatedAt: now,
ModelPricing: []service.ChannelModelPricing{
{
Models: nil,
},
},
}
resp := channelToResponse(ch)
require.Len(t, resp.ModelPricing, 1)
require.NotNil(t, resp.ModelPricing[0].Models)
require.Empty(t, resp.ModelPricing[0].Models)
}
func TestChannelToResponse_WithIntervals(t *testing.T) {
now := time.Now()
ch := &service.Channel{
ID: 1,
Name: "ch",
CreatedAt: now,
UpdatedAt: now,
ModelPricing: []service.ChannelModelPricing{
{
Models: []string{"m1"},
BillingMode: service.BillingModePerRequest,
Intervals: []service.PricingInterval{
{
ID: 100,
MinTokens: 0,
MaxTokens: intPtr(1000),
TierLabel: "1K",
InputPrice: float64Ptr(0.01),
OutputPrice: float64Ptr(0.02),
CacheWritePrice: float64Ptr(0.003),
CacheReadPrice: float64Ptr(0.001),
PerRequestPrice: float64Ptr(0.1),
SortOrder: 1,
},
{
ID: 101,
MinTokens: 1000,
MaxTokens: nil,
TierLabel: "unlimited",
SortOrder: 2,
},
},
},
},
}
resp := channelToResponse(ch)
require.Len(t, resp.ModelPricing, 1)
intervals := resp.ModelPricing[0].Intervals
require.Len(t, intervals, 2)
iv0 := intervals[0]
require.Equal(t, int64(100), iv0.ID)
require.Equal(t, 0, iv0.MinTokens)
require.Equal(t, intPtr(1000), iv0.MaxTokens)
require.Equal(t, "1K", iv0.TierLabel)
require.Equal(t, float64Ptr(0.01), iv0.InputPrice)
require.Equal(t, float64Ptr(0.02), iv0.OutputPrice)
require.Equal(t, float64Ptr(0.003), iv0.CacheWritePrice)
require.Equal(t, float64Ptr(0.001), iv0.CacheReadPrice)
require.Equal(t, float64Ptr(0.1), iv0.PerRequestPrice)
require.Equal(t, 1, iv0.SortOrder)
iv1 := intervals[1]
require.Equal(t, int64(101), iv1.ID)
require.Equal(t, 1000, iv1.MinTokens)
require.Nil(t, iv1.MaxTokens)
require.Equal(t, "unlimited", iv1.TierLabel)
require.Equal(t, 2, iv1.SortOrder)
}
func TestChannelToResponse_MultipleEntries(t *testing.T) {
now := time.Now()
ch := &service.Channel{
ID: 1,
Name: "multi",
CreatedAt: now,
UpdatedAt: now,
ModelPricing: []service.ChannelModelPricing{
{
ID: 1,
Platform: "anthropic",
Models: []string{"claude-sonnet-4"},
BillingMode: service.BillingModeToken,
InputPrice: float64Ptr(0.003),
OutputPrice: float64Ptr(0.015),
},
{
ID: 2,
Platform: "openai",
Models: []string{"gpt-4", "gpt-4o"},
BillingMode: service.BillingModePerRequest,
PerRequestPrice: float64Ptr(1.0),
},
{
ID: 3,
Platform: "gemini",
Models: []string{"gemini-2.5-pro"},
BillingMode: service.BillingModeImage,
ImageOutputPrice: float64Ptr(0.05),
PerRequestPrice: float64Ptr(0.2),
},
},
}
resp := channelToResponse(ch)
require.Len(t, resp.ModelPricing, 3)
require.Equal(t, int64(1), resp.ModelPricing[0].ID)
require.Equal(t, "anthropic", resp.ModelPricing[0].Platform)
require.Equal(t, []string{"claude-sonnet-4"}, resp.ModelPricing[0].Models)
require.Equal(t, "token", resp.ModelPricing[0].BillingMode)
require.Equal(t, int64(2), resp.ModelPricing[1].ID)
require.Equal(t, "openai", resp.ModelPricing[1].Platform)
require.Equal(t, []string{"gpt-4", "gpt-4o"}, resp.ModelPricing[1].Models)
require.Equal(t, "per_request", resp.ModelPricing[1].BillingMode)
require.Equal(t, int64(3), resp.ModelPricing[2].ID)
require.Equal(t, "gemini", resp.ModelPricing[2].Platform)
require.Equal(t, []string{"gemini-2.5-pro"}, resp.ModelPricing[2].Models)
require.Equal(t, "image", resp.ModelPricing[2].BillingMode)
require.Equal(t, float64Ptr(0.05), resp.ModelPricing[2].ImageOutputPrice)
}
// ---------------------------------------------------------------------------
// 2. pricingRequestToService
// ---------------------------------------------------------------------------
func TestPricingRequestToService_Defaults(t *testing.T) {
tests := []struct {
name string
req channelModelPricingRequest
wantField string // which default field to check
wantValue string
}{
{
name: "empty billing mode defaults to token",
req: channelModelPricingRequest{
Models: []string{"m1"},
BillingMode: "",
},
wantField: "BillingMode",
wantValue: string(service.BillingModeToken),
},
{
name: "empty platform stays empty",
req: channelModelPricingRequest{
Models: []string{"m1"},
Platform: "",
},
wantField: "Platform",
wantValue: "",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
result := pricingRequestToService([]channelModelPricingRequest{tt.req})
require.Len(t, result, 1)
switch tt.wantField {
case "BillingMode":
require.Equal(t, service.BillingMode(tt.wantValue), result[0].BillingMode)
case "Platform":
require.Equal(t, tt.wantValue, result[0].Platform)
}
})
}
}
func TestPricingRequestToService_WithAllFields(t *testing.T) {
reqs := []channelModelPricingRequest{
{
Platform: "openai",
Models: []string{"gpt-4", "gpt-4o"},
BillingMode: "per_request",
InputPrice: float64Ptr(0.01),
OutputPrice: float64Ptr(0.03),
CacheWritePrice: float64Ptr(0.005),
CacheReadPrice: float64Ptr(0.002),
ImageOutputPrice: float64Ptr(0.04),
PerRequestPrice: float64Ptr(0.5),
},
}
result := pricingRequestToService(reqs)
require.Len(t, result, 1)
r := result[0]
require.Equal(t, "openai", r.Platform)
require.Equal(t, []string{"gpt-4", "gpt-4o"}, r.Models)
require.Equal(t, service.BillingModePerRequest, r.BillingMode)
require.Equal(t, float64Ptr(0.01), r.InputPrice)
require.Equal(t, float64Ptr(0.03), r.OutputPrice)
require.Equal(t, float64Ptr(0.005), r.CacheWritePrice)
require.Equal(t, float64Ptr(0.002), r.CacheReadPrice)
require.Equal(t, float64Ptr(0.04), r.ImageOutputPrice)
require.Equal(t, float64Ptr(0.5), r.PerRequestPrice)
}
func TestPricingRequestToService_WithIntervals(t *testing.T) {
reqs := []channelModelPricingRequest{
{
Models: []string{"m1"},
BillingMode: "per_request",
Intervals: []pricingIntervalRequest{
{
MinTokens: 0,
MaxTokens: intPtr(2000),
TierLabel: "small",
InputPrice: float64Ptr(0.01),
OutputPrice: float64Ptr(0.02),
CacheWritePrice: float64Ptr(0.003),
CacheReadPrice: float64Ptr(0.001),
PerRequestPrice: float64Ptr(0.1),
SortOrder: 1,
},
{
MinTokens: 2000,
MaxTokens: nil,
TierLabel: "large",
SortOrder: 2,
},
},
},
}
result := pricingRequestToService(reqs)
require.Len(t, result, 1)
require.Len(t, result[0].Intervals, 2)
iv0 := result[0].Intervals[0]
require.Equal(t, 0, iv0.MinTokens)
require.Equal(t, intPtr(2000), iv0.MaxTokens)
require.Equal(t, "small", iv0.TierLabel)
require.Equal(t, float64Ptr(0.01), iv0.InputPrice)
require.Equal(t, float64Ptr(0.02), iv0.OutputPrice)
require.Equal(t, float64Ptr(0.003), iv0.CacheWritePrice)
require.Equal(t, float64Ptr(0.001), iv0.CacheReadPrice)
require.Equal(t, float64Ptr(0.1), iv0.PerRequestPrice)
require.Equal(t, 1, iv0.SortOrder)
iv1 := result[0].Intervals[1]
require.Equal(t, 2000, iv1.MinTokens)
require.Nil(t, iv1.MaxTokens)
require.Equal(t, "large", iv1.TierLabel)
require.Equal(t, 2, iv1.SortOrder)
}
func TestPricingRequestToService_EmptySlice(t *testing.T) {
result := pricingRequestToService([]channelModelPricingRequest{})
require.NotNil(t, result)
require.Empty(t, result)
}
func TestPricingRequestToService_NilPriceFields(t *testing.T) {
reqs := []channelModelPricingRequest{
{
Models: []string{"m1"},
BillingMode: "token",
// all price fields are nil by default
},
}
result := pricingRequestToService(reqs)
require.Len(t, result, 1)
r := result[0]
require.Nil(t, r.InputPrice)
require.Nil(t, r.OutputPrice)
require.Nil(t, r.CacheWritePrice)
require.Nil(t, r.CacheReadPrice)
require.Nil(t, r.ImageOutputPrice)
require.Nil(t, r.PerRequestPrice)
}
// ---------------------------------------------------------------------------
// 3. SyncPricingModels handler
// ---------------------------------------------------------------------------
func setupSyncPricingModelsRouter(pricingSvc *service.PricingService) *gin.Engine {
gin.SetMode(gin.TestMode)
router := gin.New()
h := &ChannelHandler{pricingService: pricingSvc}
router.GET("/channels/pricing/sync-models", h.SyncPricingModels)
return router
}
func TestSyncPricingModels_MissingPlatform(t *testing.T) {
svc := service.NewPricingService(nil, nil)
router := setupSyncPricingModelsRouter(svc)
req := httptest.NewRequest(http.MethodGet, "/channels/pricing/sync-models", nil)
w := httptest.NewRecorder()
router.ServeHTTP(w, req)
require.Equal(t, http.StatusBadRequest, w.Code)
}
func TestSyncPricingModels_UnsupportedPlatform(t *testing.T) {
svc := service.NewPricingService(nil, nil)
router := setupSyncPricingModelsRouter(svc)
req := httptest.NewRequest(http.MethodGet, "/channels/pricing/sync-models?platform=unknown", nil)
w := httptest.NewRecorder()
router.ServeHTTP(w, req)
require.Equal(t, http.StatusBadRequest, w.Code)
}
func TestSyncPricingModels_ValidPlatform_EmptyService(t *testing.T) {
svc := service.NewPricingService(nil, nil)
router := setupSyncPricingModelsRouter(svc)
for _, platform := range []string{"anthropic", "openai", "gemini", "antigravity"} {
req := httptest.NewRequest(http.MethodGet, "/channels/pricing/sync-models?platform="+platform, nil)
w := httptest.NewRecorder()
router.ServeHTTP(w, req)
require.Equal(t, http.StatusOK, w.Code, "platform=%s", platform)
var body struct {
Data struct {
Models []string `json:"models"`
} `json:"data"`
}
require.NoError(t, json.Unmarshal(w.Body.Bytes(), &body))
require.NotNil(t, body.Data.Models, "models must not be null for platform=%s", platform)
}
}