Files
sub2api/backend/internal/service/gateway_streaming_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 (
"context"
"io"
"net/http"
"net/http/httptest"
"testing"
"time"
"github.com/Wei-Shaw/sub2api/internal/config"
"github.com/gin-gonic/gin"
"github.com/stretchr/testify/require"
)
// --- parseSSEUsage 测试 ---
func newMinimalGatewayService() *GatewayService {
return &GatewayService{
cfg: &config.Config{
Gateway: config.GatewayConfig{
StreamDataIntervalTimeout: 0,
MaxLineSize: defaultMaxLineSize,
},
},
rateLimitService: &RateLimitService{},
}
}
func TestParseSSEUsage_MessageStart(t *testing.T) {
svc := newMinimalGatewayService()
usage := &ClaudeUsage{}
data := `{"type":"message_start","message":{"usage":{"input_tokens":100,"cache_creation_input_tokens":50,"cache_read_input_tokens":200}}}`
svc.parseSSEUsage(data, usage)
require.Equal(t, 100, usage.InputTokens)
require.Equal(t, 50, usage.CacheCreationInputTokens)
require.Equal(t, 200, usage.CacheReadInputTokens)
require.Equal(t, 0, usage.OutputTokens, "message_start 不应设置 output_tokens")
}
func TestParseSSEUsage_MessageDelta(t *testing.T) {
svc := newMinimalGatewayService()
usage := &ClaudeUsage{}
data := `{"type":"message_delta","usage":{"output_tokens":42}}`
svc.parseSSEUsage(data, usage)
require.Equal(t, 42, usage.OutputTokens)
require.Equal(t, 0, usage.InputTokens, "message_delta 的 output_tokens 不应影响已有的 input_tokens")
}
func TestParseSSEUsage_DeltaDoesNotOverwriteStartValues(t *testing.T) {
svc := newMinimalGatewayService()
usage := &ClaudeUsage{}
// 先处理 message_start
svc.parseSSEUsage(`{"type":"message_start","message":{"usage":{"input_tokens":100}}}`, usage)
require.Equal(t, 100, usage.InputTokens)
// 再处理 message_deltaoutput_tokens > 0, input_tokens = 0
svc.parseSSEUsage(`{"type":"message_delta","usage":{"output_tokens":50}}`, usage)
require.Equal(t, 100, usage.InputTokens, "delta 中 input_tokens=0 不应覆盖 start 中的值")
require.Equal(t, 50, usage.OutputTokens)
}
func TestParseSSEUsage_DeltaOverwritesWithNonZero(t *testing.T) {
svc := newMinimalGatewayService()
usage := &ClaudeUsage{}
// GLM 等 API 会在 delta 中包含所有 usage 信息
svc.parseSSEUsage(`{"type":"message_delta","usage":{"input_tokens":200,"output_tokens":100,"cache_creation_input_tokens":30,"cache_read_input_tokens":60}}`, usage)
require.Equal(t, 200, usage.InputTokens)
require.Equal(t, 100, usage.OutputTokens)
require.Equal(t, 30, usage.CacheCreationInputTokens)
require.Equal(t, 60, usage.CacheReadInputTokens)
}
func TestParseSSEUsage_InvalidJSON(t *testing.T) {
svc := newMinimalGatewayService()
usage := &ClaudeUsage{}
// 无效 JSON 不应 panic
svc.parseSSEUsage("not json", usage)
require.Equal(t, 0, usage.InputTokens)
require.Equal(t, 0, usage.OutputTokens)
}
func TestParseSSEUsage_UnknownType(t *testing.T) {
svc := newMinimalGatewayService()
usage := &ClaudeUsage{}
// 不是 message_start 或 message_delta 的类型
svc.parseSSEUsage(`{"type":"content_block_delta","delta":{"text":"hello"}}`, usage)
require.Equal(t, 0, usage.InputTokens)
require.Equal(t, 0, usage.OutputTokens)
}
func TestParseSSEUsage_EmptyString(t *testing.T) {
svc := newMinimalGatewayService()
usage := &ClaudeUsage{}
svc.parseSSEUsage("", usage)
require.Equal(t, 0, usage.InputTokens)
}
func TestParseSSEUsage_DoneEvent(t *testing.T) {
svc := newMinimalGatewayService()
usage := &ClaudeUsage{}
// [DONE] 事件不应影响 usage
svc.parseSSEUsage("[DONE]", usage)
require.Equal(t, 0, usage.InputTokens)
}
// --- 流式响应端到端测试 ---
func TestHandleStreamingResponse_CacheTokens(t *testing.T) {
gin.SetMode(gin.TestMode)
svc := newMinimalGatewayService()
rec := httptest.NewRecorder()
c, _ := gin.CreateTestContext(rec)
c.Request = httptest.NewRequest(http.MethodPost, "/v1/messages", nil)
pr, pw := io.Pipe()
resp := &http.Response{StatusCode: http.StatusOK, Header: http.Header{}, Body: pr}
go func() {
defer func() { _ = pw.Close() }()
_, _ = pw.Write([]byte("data: {\"type\":\"message_start\",\"message\":{\"usage\":{\"input_tokens\":10,\"cache_creation_input_tokens\":20,\"cache_read_input_tokens\":30}}}\n\n"))
_, _ = pw.Write([]byte("data: {\"type\":\"message_delta\",\"usage\":{\"output_tokens\":15}}\n\n"))
_, _ = pw.Write([]byte("data: [DONE]\n\n"))
}()
result, err := svc.handleStreamingResponse(context.Background(), resp, c, &Account{ID: 1}, time.Now(), "model", "model", false)
_ = pr.Close()
require.NoError(t, err)
require.NotNil(t, result)
require.NotNil(t, result.usage)
require.Equal(t, 10, result.usage.InputTokens)
require.Equal(t, 15, result.usage.OutputTokens)
require.Equal(t, 20, result.usage.CacheCreationInputTokens)
require.Equal(t, 30, result.usage.CacheReadInputTokens)
}
func TestHandleStreamingResponse_EmptyStream(t *testing.T) {
gin.SetMode(gin.TestMode)
svc := newMinimalGatewayService()
rec := httptest.NewRecorder()
c, _ := gin.CreateTestContext(rec)
c.Request = httptest.NewRequest(http.MethodPost, "/v1/messages", nil)
pr, pw := io.Pipe()
resp := &http.Response{StatusCode: http.StatusOK, Header: http.Header{}, Body: pr}
go func() {
// 直接关闭,不发送任何事件
_ = pw.Close()
}()
result, err := svc.handleStreamingResponse(context.Background(), resp, c, &Account{ID: 1}, time.Now(), "model", "model", false)
_ = pr.Close()
require.NoError(t, err)
require.NotNil(t, result)
}
func TestHandleStreamingResponse_SpecialCharactersInJSON(t *testing.T) {
gin.SetMode(gin.TestMode)
svc := newMinimalGatewayService()
rec := httptest.NewRecorder()
c, _ := gin.CreateTestContext(rec)
c.Request = httptest.NewRequest(http.MethodPost, "/v1/messages", nil)
pr, pw := io.Pipe()
resp := &http.Response{StatusCode: http.StatusOK, Header: http.Header{}, Body: pr}
go func() {
defer func() { _ = pw.Close() }()
// 包含特殊字符的 content_block_delta引号、换行、Unicode
_, _ = pw.Write([]byte("data: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"text_delta\",\"text\":\"Hello \\\"world\\\"\\n你好\"}}\n\n"))
_, _ = pw.Write([]byte("data: {\"type\":\"message_start\",\"message\":{\"usage\":{\"input_tokens\":5}}}\n\n"))
_, _ = pw.Write([]byte("data: {\"type\":\"message_delta\",\"usage\":{\"output_tokens\":3}}\n\n"))
_, _ = pw.Write([]byte("data: [DONE]\n\n"))
}()
result, err := svc.handleStreamingResponse(context.Background(), resp, c, &Account{ID: 1}, time.Now(), "model", "model", false)
_ = pr.Close()
require.NoError(t, err)
require.NotNil(t, result)
require.NotNil(t, result.usage)
require.Equal(t, 5, result.usage.InputTokens)
require.Equal(t, 3, result.usage.OutputTokens)
// 验证响应中包含转发的数据
body := rec.Body.String()
require.Contains(t, body, "content_block_delta", "响应应包含转发的 SSE 事件")
}