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sub2api/backend/internal/service/api_key_auth_cache_profit_test.go
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package service
// 投影漏列回归(service 半程):认证快照 build → L2 JSON 序列化
// → 反序列化 → 还原 apiKey.Group → 请求 ctx → 利润门解析,全链路保真。
// repository 半程(真实 GetByKeyForAuth 投影)见
// internal/repository/api_key_repo_profit_projection_integration_test.go。
import (
"context"
"encoding/json"
"testing"
"github.com/Wei-Shaw/sub2api/internal/pkg/ctxkey"
"github.com/stretchr/testify/require"
)
func profitAuthTestAPIKey() *APIKey {
groupID := int64(50)
return &APIKey{
ID: 82,
UserID: 40,
GroupID: &groupID,
Name: "profit-auth-roundtrip",
Status: StatusActive,
User: &User{
ID: 40,
Email: "profit@test.local",
Status: StatusActive,
Concurrency: 5,
},
Group: &Group{
ID: groupID,
Name: "VIP-roundtrip",
Platform: PlatformOpenAI,
Status: StatusActive,
Hydrated: true,
RateMultiplier: 0.06,
SubscriptionType: SubscriptionTypeStandard,
PeakRateEnabled: false,
ProfitControlEnabled: true,
ProfitMinMargin: 0.2,
ProfitSafetyBuffer: 0.05,
},
}
}
// 快照构建 → L2 JSON 往返 → 还原 → 装门:利润字段必须全程保真,阈值与
// 计费同源(0.06 × (10.25) = 0.045)。
func TestAPIKeyAuthSnapshotProfitControlRoundtrip(t *testing.T) {
svc := &APIKeyService{}
apiKey := profitAuthTestAPIKey()
snapshot := svc.snapshotFromAPIKey(context.Background(), apiKey)
require.NotNil(t, snapshot)
require.Equal(t, apiKeyAuthSnapshotVersion, snapshot.Version)
require.Equal(t, 20, snapshot.Version, "v20 起认证快照携带分组长上下文与模型定价字段")
// 模拟 L2 缓存的完整 JSON 往返(与 apiKeyCache.SetAuthCache/GetAuthCache 同构)。
payload, err := json.Marshal(&APIKeyAuthCacheEntry{Snapshot: snapshot})
require.NoError(t, err)
var restored APIKeyAuthCacheEntry
require.NoError(t, json.Unmarshal(payload, &restored))
materialized, used, err := svc.applyAuthCacheEntry(apiKey.Key, &restored)
require.NoError(t, err)
require.True(t, used)
require.NotNil(t, materialized.Group)
require.True(t, materialized.Group.Hydrated)
require.True(t, materialized.Group.ProfitControlEnabled)
require.InDelta(t, 0.2, materialized.Group.ProfitMinMargin, 1e-12)
require.InDelta(t, 0.05, materialized.Group.ProfitSafetyBuffer, 1e-12)
require.InDelta(t, 0.06, materialized.Group.RateMultiplier, 1e-12)
// 中间件语义:materialized.Group 进请求 ctx → 门必须按快照配置装上。
ctx := context.WithValue(context.Background(), ctxkey.Group, materialized.Group)
gwSvc := &OpenAIGatewayService{}
gate := gwSvc.resolveOpenAIProfitControlGate(ctx, materialized.GroupID)
require.NotNil(t, gate, "还原后的认证分组必须能装门(投影漏列时本断言最先失败)")
require.InDelta(t, 0.06*(1-0.25), gate.threshold, 1e-12)
}
// 旧版本快照(v16 及更早,无利润字段保真保证)必须被淘汰回源,不得复用。
func TestAPIKeyAuthSnapshotOldVersionEvicted(t *testing.T) {
svc := &APIKeyService{}
snapshot := svc.snapshotFromAPIKey(context.Background(), profitAuthTestAPIKey())
require.NotNil(t, snapshot)
snapshot.Version = 16
materialized, used, err := svc.applyAuthCacheEntry("sk-old", &APIKeyAuthCacheEntry{Snapshot: snapshot})
require.NoError(t, err)
require.False(t, used, "版本不匹配的缓存条目必须淘汰并回源重建")
require.Nil(t, materialized)
}