Files
sub2api/backend/internal/service/billing_service_test.go
yangjianbo bb5a5dd65e test: 完善自动化测试体系(7个模块,73个任务)
系统性地修复、补充和强化项目的自动化测试能力:

1. 测试基础设施修复
   - 修复 stubConcurrencyCache 缺失方法和构造函数参数不匹配
   - 创建 testutil 共享包(stubs.go, fixtures.go, httptest.go)
   - 为所有 Stub 添加编译期接口断言

2. 中间件测试补充
   - 新增 JWT 认证中间件测试(有效/过期/篡改/缺失 Token)
   - 补充 rate_limiter 和 recovery 中间件测试场景

3. 网关核心路径测试
   - 新增账户选择、等待队列、流式响应、并发控制、计费、Claude Code 检测测试
   - 覆盖负载均衡、粘性会话、SSE 转发、槽位管理等关键逻辑

4. 前端测试体系(11个新测试文件,163个测试用例)
   - Pinia stores: auth, app, subscriptions
   - API client: 请求拦截器、响应拦截器、401 刷新
   - Router guards: 认证重定向、管理员权限、简易模式限制
   - Composables: useForm, useTableLoader, useClipboard
   - Components: LoginForm, ApiKeyCreate, Dashboard

5. CI/CD 流水线重构
   - 重构 backend-ci.yml 为统一的 ci.yml
   - 前后端 4 个并行 Job + Postgres/Redis services
   - Race 检测、覆盖率收集与门禁、Docker 构建验证

6. E2E 自动化测试
   - e2e-test.sh 自动化脚本(Docker 启动→健康检查→测试→清理)
   - 用户注册→登录→API Key→网关调用完整链路测试
   - Mock 模式和 API Key 脱敏支持

7. 修复预存问题
   - tlsfingerprint dialer_test.go 缺失 build tag 导致集成测试编译冲突

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-08 12:05:39 +08:00

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//go:build unit
package service
import (
"math"
"testing"
"github.com/Wei-Shaw/sub2api/internal/config"
"github.com/stretchr/testify/require"
)
func newTestBillingService() *BillingService {
return NewBillingService(&config.Config{}, nil)
}
func TestCalculateCost_BasicComputation(t *testing.T) {
svc := newTestBillingService()
// 使用 claude-sonnet-4 的回退价格Input $3/MTok, Output $15/MTok
tokens := UsageTokens{
InputTokens: 1000,
OutputTokens: 500,
}
cost, err := svc.CalculateCost("claude-sonnet-4", tokens, 1.0)
require.NoError(t, err)
// 1000 * 3e-6 = 0.003, 500 * 15e-6 = 0.0075
expectedInput := 1000 * 3e-6
expectedOutput := 500 * 15e-6
require.InDelta(t, expectedInput, cost.InputCost, 1e-10)
require.InDelta(t, expectedOutput, cost.OutputCost, 1e-10)
require.InDelta(t, expectedInput+expectedOutput, cost.TotalCost, 1e-10)
require.InDelta(t, expectedInput+expectedOutput, cost.ActualCost, 1e-10)
}
func TestCalculateCost_WithCacheTokens(t *testing.T) {
svc := newTestBillingService()
tokens := UsageTokens{
InputTokens: 1000,
OutputTokens: 500,
CacheCreationTokens: 2000,
CacheReadTokens: 3000,
}
cost, err := svc.CalculateCost("claude-sonnet-4", tokens, 1.0)
require.NoError(t, err)
expectedCacheCreation := 2000 * 3.75e-6
expectedCacheRead := 3000 * 0.3e-6
require.InDelta(t, expectedCacheCreation, cost.CacheCreationCost, 1e-10)
require.InDelta(t, expectedCacheRead, cost.CacheReadCost, 1e-10)
expectedTotal := cost.InputCost + cost.OutputCost + expectedCacheCreation + expectedCacheRead
require.InDelta(t, expectedTotal, cost.TotalCost, 1e-10)
}
func TestCalculateCost_RateMultiplier(t *testing.T) {
svc := newTestBillingService()
tokens := UsageTokens{InputTokens: 1000, OutputTokens: 500}
cost1x, err := svc.CalculateCost("claude-sonnet-4", tokens, 1.0)
require.NoError(t, err)
cost2x, err := svc.CalculateCost("claude-sonnet-4", tokens, 2.0)
require.NoError(t, err)
// TotalCost 不受倍率影响ActualCost 翻倍
require.InDelta(t, cost1x.TotalCost, cost2x.TotalCost, 1e-10)
require.InDelta(t, cost1x.ActualCost*2, cost2x.ActualCost, 1e-10)
}
func TestCalculateCost_ZeroMultiplierDefaultsToOne(t *testing.T) {
svc := newTestBillingService()
tokens := UsageTokens{InputTokens: 1000}
costZero, err := svc.CalculateCost("claude-sonnet-4", tokens, 0)
require.NoError(t, err)
costOne, err := svc.CalculateCost("claude-sonnet-4", tokens, 1.0)
require.NoError(t, err)
require.InDelta(t, costOne.ActualCost, costZero.ActualCost, 1e-10)
}
func TestCalculateCost_NegativeMultiplierDefaultsToOne(t *testing.T) {
svc := newTestBillingService()
tokens := UsageTokens{InputTokens: 1000}
costNeg, err := svc.CalculateCost("claude-sonnet-4", tokens, -1.0)
require.NoError(t, err)
costOne, err := svc.CalculateCost("claude-sonnet-4", tokens, 1.0)
require.NoError(t, err)
require.InDelta(t, costOne.ActualCost, costNeg.ActualCost, 1e-10)
}
func TestGetModelPricing_FallbackMatchesByFamily(t *testing.T) {
svc := newTestBillingService()
tests := []struct {
model string
expectedInput float64
}{
{"claude-opus-4.5-20250101", 5e-6},
{"claude-3-opus-20240229", 15e-6},
{"claude-sonnet-4-20250514", 3e-6},
{"claude-3-5-sonnet-20241022", 3e-6},
{"claude-3-5-haiku-20241022", 1e-6},
{"claude-3-haiku-20240307", 0.25e-6},
}
for _, tt := range tests {
pricing, err := svc.GetModelPricing(tt.model)
require.NoError(t, err, "模型 %s", tt.model)
require.InDelta(t, tt.expectedInput, pricing.InputPricePerToken, 1e-12, "模型 %s 输入价格", tt.model)
}
}
func TestGetModelPricing_CaseInsensitive(t *testing.T) {
svc := newTestBillingService()
p1, err := svc.GetModelPricing("Claude-Sonnet-4")
require.NoError(t, err)
p2, err := svc.GetModelPricing("claude-sonnet-4")
require.NoError(t, err)
require.Equal(t, p1.InputPricePerToken, p2.InputPricePerToken)
}
func TestGetModelPricing_UnknownModelFallsBackToSonnet(t *testing.T) {
svc := newTestBillingService()
// 不包含 opus/sonnet/haiku 关键词的 Claude 模型会走默认 Sonnet 价格
pricing, err := svc.GetModelPricing("claude-unknown-model")
require.NoError(t, err)
require.InDelta(t, 3e-6, pricing.InputPricePerToken, 1e-12)
}
func TestCalculateCostWithLongContext_BelowThreshold(t *testing.T) {
svc := newTestBillingService()
tokens := UsageTokens{
InputTokens: 50000,
OutputTokens: 1000,
CacheReadTokens: 100000,
}
// 总输入 150k < 200k 阈值,应走正常计费
cost, err := svc.CalculateCostWithLongContext("claude-sonnet-4", tokens, 1.0, 200000, 2.0)
require.NoError(t, err)
normalCost, err := svc.CalculateCost("claude-sonnet-4", tokens, 1.0)
require.NoError(t, err)
require.InDelta(t, normalCost.ActualCost, cost.ActualCost, 1e-10)
}
func TestCalculateCostWithLongContext_AboveThreshold_CacheExceedsThreshold(t *testing.T) {
svc := newTestBillingService()
// 缓存 210k + 输入 10k = 220k > 200k 阈值
// 缓存已超阈值:范围内 200k 缓存,范围外 10k 缓存 + 10k 输入
tokens := UsageTokens{
InputTokens: 10000,
OutputTokens: 1000,
CacheReadTokens: 210000,
}
cost, err := svc.CalculateCostWithLongContext("claude-sonnet-4", tokens, 1.0, 200000, 2.0)
require.NoError(t, err)
// 范围内200k cache + 0 input + 1k output
inRange, _ := svc.CalculateCost("claude-sonnet-4", UsageTokens{
InputTokens: 0,
OutputTokens: 1000,
CacheReadTokens: 200000,
}, 1.0)
// 范围外10k cache + 10k input倍率 2.0
outRange, _ := svc.CalculateCost("claude-sonnet-4", UsageTokens{
InputTokens: 10000,
CacheReadTokens: 10000,
}, 2.0)
require.InDelta(t, inRange.ActualCost+outRange.ActualCost, cost.ActualCost, 1e-10)
}
func TestCalculateCostWithLongContext_AboveThreshold_CacheBelowThreshold(t *testing.T) {
svc := newTestBillingService()
// 缓存 100k + 输入 150k = 250k > 200k 阈值
// 缓存未超阈值:范围内 100k 缓存 + 100k 输入,范围外 50k 输入
tokens := UsageTokens{
InputTokens: 150000,
OutputTokens: 1000,
CacheReadTokens: 100000,
}
cost, err := svc.CalculateCostWithLongContext("claude-sonnet-4", tokens, 1.0, 200000, 2.0)
require.NoError(t, err)
require.True(t, cost.ActualCost > 0, "费用应大于 0")
// 正常费用不含长上下文
normalCost, _ := svc.CalculateCost("claude-sonnet-4", tokens, 1.0)
require.True(t, cost.ActualCost > normalCost.ActualCost, "长上下文费用应高于正常费用")
}
func TestCalculateCostWithLongContext_DisabledThreshold(t *testing.T) {
svc := newTestBillingService()
tokens := UsageTokens{InputTokens: 300000, CacheReadTokens: 0}
// threshold <= 0 应禁用长上下文计费
cost1, err := svc.CalculateCostWithLongContext("claude-sonnet-4", tokens, 1.0, 0, 2.0)
require.NoError(t, err)
cost2, err := svc.CalculateCost("claude-sonnet-4", tokens, 1.0)
require.NoError(t, err)
require.InDelta(t, cost2.ActualCost, cost1.ActualCost, 1e-10)
}
func TestCalculateCostWithLongContext_ExtraMultiplierLessEqualOne(t *testing.T) {
svc := newTestBillingService()
tokens := UsageTokens{InputTokens: 300000}
// extraMultiplier <= 1 应禁用长上下文计费
cost, err := svc.CalculateCostWithLongContext("claude-sonnet-4", tokens, 1.0, 200000, 1.0)
require.NoError(t, err)
normalCost, err := svc.CalculateCost("claude-sonnet-4", tokens, 1.0)
require.NoError(t, err)
require.InDelta(t, normalCost.ActualCost, cost.ActualCost, 1e-10)
}
func TestCalculateImageCost(t *testing.T) {
svc := newTestBillingService()
price := 0.134
cfg := &ImagePriceConfig{Price1K: &price}
cost := svc.CalculateImageCost("gpt-image-1", "1K", 3, cfg, 1.0)
require.InDelta(t, 0.134*3, cost.TotalCost, 1e-10)
require.InDelta(t, 0.134*3, cost.ActualCost, 1e-10)
}
func TestCalculateSoraVideoCost(t *testing.T) {
svc := newTestBillingService()
price := 0.5
cfg := &SoraPriceConfig{VideoPricePerRequest: &price}
cost := svc.CalculateSoraVideoCost("sora-video", cfg, 1.0)
require.InDelta(t, 0.5, cost.TotalCost, 1e-10)
}
func TestCalculateSoraVideoCost_HDModel(t *testing.T) {
svc := newTestBillingService()
hdPrice := 1.0
normalPrice := 0.5
cfg := &SoraPriceConfig{
VideoPricePerRequest: &normalPrice,
VideoPricePerRequestHD: &hdPrice,
}
cost := svc.CalculateSoraVideoCost("sora2pro-hd", cfg, 1.0)
require.InDelta(t, 1.0, cost.TotalCost, 1e-10)
}
func TestIsModelSupported(t *testing.T) {
svc := newTestBillingService()
require.True(t, svc.IsModelSupported("claude-sonnet-4"))
require.True(t, svc.IsModelSupported("Claude-Opus-4.5"))
require.True(t, svc.IsModelSupported("claude-3-haiku"))
require.False(t, svc.IsModelSupported("gpt-4o"))
require.False(t, svc.IsModelSupported("gemini-pro"))
}
func TestCalculateCost_ZeroTokens(t *testing.T) {
svc := newTestBillingService()
cost, err := svc.CalculateCost("claude-sonnet-4", UsageTokens{}, 1.0)
require.NoError(t, err)
require.Equal(t, 0.0, cost.TotalCost)
require.Equal(t, 0.0, cost.ActualCost)
}
func TestCalculateCost_LargeTokenCount(t *testing.T) {
svc := newTestBillingService()
tokens := UsageTokens{
InputTokens: 1_000_000,
OutputTokens: 1_000_000,
}
cost, err := svc.CalculateCost("claude-sonnet-4", tokens, 1.0)
require.NoError(t, err)
// Input: 1M * 3e-6 = $3, Output: 1M * 15e-6 = $15
require.InDelta(t, 3.0, cost.InputCost, 1e-6)
require.InDelta(t, 15.0, cost.OutputCost, 1e-6)
require.False(t, math.IsNaN(cost.TotalCost))
require.False(t, math.IsInf(cost.TotalCost, 0))
}