Files
sub2api/backend/internal/handler/gateway_handler_warmup_intercept_unit_test.go
shaw 8bf2a7b88a fix(scheduler): resolve SetSnapshot race conditions and remove usage throttle
Backend: Fix three race conditions in SetSnapshot that caused account
scheduling anomalies and broken sticky sessions:
- Use Lua CAS script for atomic version activation, preventing version
  rollback when concurrent goroutines write snapshots simultaneously
- Add UnlockBucket to release rebuild lock immediately after completion
  instead of waiting 30s TTL expiry
- Replace immediate DEL of old snapshots with 60s EXPIRE grace period,
  preventing readers from hitting empty ZRANGE during version switches

Frontend: Remove serial queue throttle (1-2s delay per request) from
usage loading since backend now uses passive sampling. All usage
requests execute immediately in parallel.
2026-04-29 22:48:39 +08:00

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//go:build unit
package handler
import (
"bytes"
"context"
"encoding/json"
"net/http/httptest"
"testing"
"time"
"github.com/Wei-Shaw/sub2api/internal/config"
"github.com/Wei-Shaw/sub2api/internal/pkg/ctxkey"
"github.com/Wei-Shaw/sub2api/internal/pkg/pagination"
middleware "github.com/Wei-Shaw/sub2api/internal/server/middleware"
"github.com/Wei-Shaw/sub2api/internal/service"
"github.com/gin-gonic/gin"
"github.com/stretchr/testify/require"
)
// 目标严格验证“antigravity 账号通过 /v1/messages 提供 Claude 服务时”,
// 当账号 credentials.intercept_warmup_requests=true 且请求为 Warmup 时,
// 后端会在转发上游前直接拦截并返回 mock 响应(不依赖上游)。
type fakeSchedulerCache struct {
accounts []*service.Account
}
func (f *fakeSchedulerCache) GetSnapshot(_ context.Context, _ service.SchedulerBucket) ([]*service.Account, bool, error) {
return f.accounts, true, nil
}
func (f *fakeSchedulerCache) SetSnapshot(_ context.Context, _ service.SchedulerBucket, _ []service.Account) error {
return nil
}
func (f *fakeSchedulerCache) GetAccount(_ context.Context, id int64) (*service.Account, error) {
for _, account := range f.accounts {
if account != nil && account.ID == id {
return account, nil
}
}
return nil, nil
}
func (f *fakeSchedulerCache) SetAccount(_ context.Context, _ *service.Account) error { return nil }
func (f *fakeSchedulerCache) DeleteAccount(_ context.Context, _ int64) error { return nil }
func (f *fakeSchedulerCache) UpdateLastUsed(_ context.Context, _ map[int64]time.Time) error {
return nil
}
func (f *fakeSchedulerCache) TryLockBucket(_ context.Context, _ service.SchedulerBucket, _ time.Duration) (bool, error) {
return true, nil
}
func (f *fakeSchedulerCache) UnlockBucket(_ context.Context, _ service.SchedulerBucket) error {
return nil
}
func (f *fakeSchedulerCache) ListBuckets(_ context.Context) ([]service.SchedulerBucket, error) {
return nil, nil
}
func (f *fakeSchedulerCache) GetOutboxWatermark(_ context.Context) (int64, error) { return 0, nil }
func (f *fakeSchedulerCache) SetOutboxWatermark(_ context.Context, _ int64) error { return nil }
type fakeGroupRepo struct {
group *service.Group
}
func (f *fakeGroupRepo) Create(context.Context, *service.Group) error { return nil }
func (f *fakeGroupRepo) GetByID(context.Context, int64) (*service.Group, error) {
return f.group, nil
}
func (f *fakeGroupRepo) GetByIDLite(context.Context, int64) (*service.Group, error) {
return f.group, nil
}
func (f *fakeGroupRepo) Update(context.Context, *service.Group) error { return nil }
func (f *fakeGroupRepo) Delete(context.Context, int64) error { return nil }
func (f *fakeGroupRepo) DeleteCascade(context.Context, int64) ([]int64, error) { return nil, nil }
func (f *fakeGroupRepo) List(context.Context, pagination.PaginationParams) ([]service.Group, *pagination.PaginationResult, error) {
return nil, nil, nil
}
func (f *fakeGroupRepo) ListWithFilters(context.Context, pagination.PaginationParams, string, string, string, *bool) ([]service.Group, *pagination.PaginationResult, error) {
return nil, nil, nil
}
func (f *fakeGroupRepo) ListActive(context.Context) ([]service.Group, error) { return nil, nil }
func (f *fakeGroupRepo) ListActiveByPlatform(context.Context, string) ([]service.Group, error) {
return nil, nil
}
func (f *fakeGroupRepo) ExistsByName(context.Context, string) (bool, error) { return false, nil }
func (f *fakeGroupRepo) GetAccountCount(context.Context, int64) (int64, int64, error) {
return 0, 0, nil
}
func (f *fakeGroupRepo) DeleteAccountGroupsByGroupID(context.Context, int64) (int64, error) {
return 0, nil
}
func (f *fakeGroupRepo) GetAccountIDsByGroupIDs(context.Context, []int64) ([]int64, error) {
return nil, nil
}
func (f *fakeGroupRepo) BindAccountsToGroup(context.Context, int64, []int64) error { return nil }
func (f *fakeGroupRepo) UpdateSortOrders(context.Context, []service.GroupSortOrderUpdate) error {
return nil
}
type fakeConcurrencyCache struct{}
func (f *fakeConcurrencyCache) AcquireAccountSlot(context.Context, int64, int, string) (bool, error) {
return true, nil
}
func (f *fakeConcurrencyCache) ReleaseAccountSlot(context.Context, int64, string) error { return nil }
func (f *fakeConcurrencyCache) GetAccountConcurrency(context.Context, int64) (int, error) {
return 0, nil
}
func (f *fakeConcurrencyCache) IncrementAccountWaitCount(context.Context, int64, int) (bool, error) {
return true, nil
}
func (f *fakeConcurrencyCache) DecrementAccountWaitCount(context.Context, int64) error { return nil }
func (f *fakeConcurrencyCache) GetAccountWaitingCount(context.Context, int64) (int, error) {
return 0, nil
}
func (f *fakeConcurrencyCache) AcquireUserSlot(context.Context, int64, int, string) (bool, error) {
return true, nil
}
func (f *fakeConcurrencyCache) ReleaseUserSlot(context.Context, int64, string) error { return nil }
func (f *fakeConcurrencyCache) GetUserConcurrency(context.Context, int64) (int, error) { return 0, nil }
func (f *fakeConcurrencyCache) IncrementWaitCount(context.Context, int64, int) (bool, error) {
return true, nil
}
func (f *fakeConcurrencyCache) DecrementWaitCount(context.Context, int64) error { return nil }
func (f *fakeConcurrencyCache) GetAccountsLoadBatch(context.Context, []service.AccountWithConcurrency) (map[int64]*service.AccountLoadInfo, error) {
return map[int64]*service.AccountLoadInfo{}, nil
}
func (f *fakeConcurrencyCache) GetUsersLoadBatch(context.Context, []service.UserWithConcurrency) (map[int64]*service.UserLoadInfo, error) {
return map[int64]*service.UserLoadInfo{}, nil
}
func (f *fakeConcurrencyCache) GetAccountConcurrencyBatch(_ context.Context, accountIDs []int64) (map[int64]int, error) {
result := make(map[int64]int, len(accountIDs))
for _, id := range accountIDs {
result[id] = 0
}
return result, nil
}
func (f *fakeConcurrencyCache) CleanupExpiredAccountSlots(context.Context, int64) error { return nil }
func (f *fakeConcurrencyCache) CleanupStaleProcessSlots(context.Context, string) error { return nil }
func newTestGatewayHandler(t *testing.T, group *service.Group, accounts []*service.Account) (*GatewayHandler, func()) {
t.Helper()
schedulerCache := &fakeSchedulerCache{accounts: accounts}
schedulerSnapshot := service.NewSchedulerSnapshotService(schedulerCache, nil, nil, nil, nil)
gwSvc := service.NewGatewayService(
nil, // accountRepo (not used: scheduler snapshot hit)
&fakeGroupRepo{group: group},
nil, // usageLogRepo
nil, // usageBillingRepo
nil, // userRepo
nil, // userSubRepo
nil, // userGroupRateRepo
nil, // cache (disable sticky)
nil, // cfg
schedulerSnapshot,
nil, // concurrencyService (disable load-aware; tryAcquire always acquired)
nil, // billingService
nil, // rateLimitService
nil, // billingCacheService
nil, // identityService
nil, // httpUpstream
nil, // deferredService
nil, // claudeTokenProvider
nil, // sessionLimitCache
nil, // rpmCache
nil, // digestStore
nil, // settingService
nil, // tlsFPProfileService
nil, // channelService
nil, // resolver
nil, // balanceNotifyService
)
// RunModeSimple跳过计费检查避免引入 repo/cache 依赖。
cfg := &config.Config{RunMode: config.RunModeSimple}
billingCacheSvc := service.NewBillingCacheService(nil, nil, nil, nil, nil, nil, cfg)
concurrencySvc := service.NewConcurrencyService(&fakeConcurrencyCache{})
concurrencyHelper := NewConcurrencyHelper(concurrencySvc, SSEPingFormatClaude, 0)
h := &GatewayHandler{
gatewayService: gwSvc,
billingCacheService: billingCacheSvc,
concurrencyHelper: concurrencyHelper,
// 这些字段对本测试不敏感,保持较小即可
maxAccountSwitches: 1,
maxAccountSwitchesGemini: 1,
}
cleanup := func() {
billingCacheSvc.Stop()
}
return h, cleanup
}
func TestGatewayHandlerMessages_InterceptWarmup_AntigravityAccount_MixedSchedulingV1(t *testing.T) {
gin.SetMode(gin.TestMode)
groupID := int64(2001)
accountID := int64(1001)
group := &service.Group{
ID: groupID,
Hydrated: true,
Platform: service.PlatformAnthropic, // /v1/messagesClaude兼容入口
Status: service.StatusActive,
}
account := &service.Account{
ID: accountID,
Name: "ag-1",
Platform: service.PlatformAntigravity,
Type: service.AccountTypeOAuth,
Credentials: map[string]any{
"access_token": "tok_xxx",
"intercept_warmup_requests": true,
},
Extra: map[string]any{
"mixed_scheduling": true, // 关键:允许被 anthropic 分组混合调度选中
},
Concurrency: 1,
Priority: 1,
Status: service.StatusActive,
Schedulable: true,
AccountGroups: []service.AccountGroup{{AccountID: accountID, GroupID: groupID}},
}
h, cleanup := newTestGatewayHandler(t, group, []*service.Account{account})
defer cleanup()
rec := httptest.NewRecorder()
c, _ := gin.CreateTestContext(rec)
body := []byte(`{
"model": "claude-sonnet-4-5",
"max_tokens": 256,
"messages": [{"role":"user","content":[{"type":"text","text":"Warmup"}]}]
}`)
req := httptest.NewRequest("POST", "/v1/messages", bytes.NewReader(body))
req.Header.Set("Content-Type", "application/json")
req = req.WithContext(context.WithValue(req.Context(), ctxkey.Group, group))
c.Request = req
apiKey := &service.APIKey{
ID: 3001,
UserID: 4001,
GroupID: &groupID,
Status: service.StatusActive,
User: &service.User{
ID: 4001,
Concurrency: 10,
Balance: 100,
},
Group: group,
}
c.Set(string(middleware.ContextKeyAPIKey), apiKey)
c.Set(string(middleware.ContextKeyUser), middleware.AuthSubject{UserID: apiKey.UserID, Concurrency: 10})
h.Messages(c)
require.Equal(t, 200, rec.Code)
// 断言:确实选中了 antigravity 账号(不是纯函数测试,而是从 Handler 里验证调度结果)
selected, ok := c.Get(opsAccountIDKey)
require.True(t, ok)
require.Equal(t, accountID, selected)
var resp map[string]any
require.NoError(t, json.Unmarshal(rec.Body.Bytes(), &resp))
require.Equal(t, "msg_mock_warmup", resp["id"])
require.Equal(t, "claude-sonnet-4-5", resp["model"])
content, ok := resp["content"].([]any)
require.True(t, ok)
require.Len(t, content, 1)
first, ok := content[0].(map[string]any)
require.True(t, ok)
require.Equal(t, "New Conversation", first["text"])
}
func TestGatewayHandlerMessages_InterceptWarmup_AntigravityAccount_ForcePlatform(t *testing.T) {
gin.SetMode(gin.TestMode)
groupID := int64(2002)
accountID := int64(1002)
group := &service.Group{
ID: groupID,
Hydrated: true,
Platform: service.PlatformAntigravity,
Status: service.StatusActive,
}
account := &service.Account{
ID: accountID,
Name: "ag-2",
Platform: service.PlatformAntigravity,
Type: service.AccountTypeOAuth,
Credentials: map[string]any{
"access_token": "tok_xxx",
"intercept_warmup_requests": true,
},
Concurrency: 1,
Priority: 1,
Status: service.StatusActive,
Schedulable: true,
AccountGroups: []service.AccountGroup{{AccountID: accountID, GroupID: groupID}},
}
h, cleanup := newTestGatewayHandler(t, group, []*service.Account{account})
defer cleanup()
rec := httptest.NewRecorder()
c, _ := gin.CreateTestContext(rec)
body := []byte(`{
"model": "claude-sonnet-4-5",
"max_tokens": 256,
"messages": [{"role":"user","content":[{"type":"text","text":"Warmup"}]}]
}`)
req := httptest.NewRequest("POST", "/antigravity/v1/messages", bytes.NewReader(body))
req.Header.Set("Content-Type", "application/json")
// 模拟 routes/gateway.go 里的 ForcePlatform 中间件效果:
// - 写入 request.ContextService读取
// - 写入 gin.ContextHandler快速读取
ctx := context.WithValue(req.Context(), ctxkey.Group, group)
ctx = context.WithValue(ctx, ctxkey.ForcePlatform, service.PlatformAntigravity)
req = req.WithContext(ctx)
c.Request = req
c.Set(string(middleware.ContextKeyForcePlatform), service.PlatformAntigravity)
apiKey := &service.APIKey{
ID: 3002,
UserID: 4002,
GroupID: &groupID,
Status: service.StatusActive,
User: &service.User{
ID: 4002,
Concurrency: 10,
Balance: 100,
},
Group: group,
}
c.Set(string(middleware.ContextKeyAPIKey), apiKey)
c.Set(string(middleware.ContextKeyUser), middleware.AuthSubject{UserID: apiKey.UserID, Concurrency: 10})
h.Messages(c)
require.Equal(t, 200, rec.Code)
selected, ok := c.Get(opsAccountIDKey)
require.True(t, ok)
require.Equal(t, accountID, selected)
var resp map[string]any
require.NoError(t, json.Unmarshal(rec.Body.Bytes(), &resp))
require.Equal(t, "msg_mock_warmup", resp["id"])
require.Equal(t, "claude-sonnet-4-5", resp["model"])
}