Files
sub2api/backend/internal/repository/http_upstream_http2_keepalive_test.go
T
feeeei cbe258fd12 build: 升级 Go 1.27.0,同步 CI/Dockerfile 并适配 jsonv2 与 golangci-lint v2.13
- go.mod 1.26.6 → 1.27.0;backend-ci/release/security-scan 的 go version 断言、
  三个 Dockerfile 的 golang 镜像、README 徽章与 DEV_GUIDE 同步
- golangci-lint-action v2.9 → v2.13(v2.9 由 go1.26 构建,拒绝 go.mod 1.27 目标);
  新规则按最小方式处理:排除 G703/G704 污点分析(网关按配置转发/写文件,
  与既有 G304 排除策略一致)、reflect.Ptr → reflect.Pointer、
  ResetQuota 恒返回错误的 SA4023 与 OIDC EC JWK 的 SA1019 加 nolint
- ent 生成代码按 Go 1.27 默认 jsonv2 引擎重新生成:json.RawMessage 字段
  生成为同类型别名 jsontext.Value(group.model_pricing / usage_cleanup_task.filters)
- x/net v0.56 在 go1.27 下包装标准库 HTTP/2:ConfigureTransports 经
  RegisterProtocol("http/2") 打开 Protocols.HTTP2 而不再写 TLSNextProto,
  ReadIdleTimeout/PingTimeout 建连时映射为 HTTP2Config.SendPingTimeout/PingTimeout;
  keepalive 测试改断言 Protocols.HTTP2(),并补真实 HTTP/2 协商用例
2026-08-24 12:02:53 +08:00

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package repository
import (
"context"
"crypto/x509"
"net/http"
"net/http/httptest"
"net/url"
"testing"
"time"
"github.com/stretchr/testify/require"
)
func http2KeepAliveTestPoolSettings() poolSettings {
return poolSettings{
maxIdleConns: 10,
maxIdleConnsPerHost: 5,
maxConnsPerHost: 10,
idleConnTimeout: 90 * time.Second,
responseHeaderTimeout: time.Minute,
}
}
// requireHTTP2Configured 断言 http2 已显式挂到 http.Transport 上。
// x/net/http2 在 go1.27 && !http2legacy 下是标准库 HTTP/2 的包装:ConfigureTransports 通过
// Transport.RegisterProtocol("http/2") 注册配置并打开 Protocols.HTTP2(TLSNextProto 不承载 h2 入口),
// ReadIdleTimeout/PingTimeout 在建连时映射为 http.HTTP2Config.SendPingTimeout/PingTimeout。
func requireHTTP2Configured(t *testing.T, tr *http.Transport, msg string) {
t.Helper()
require.NotNil(t, tr.Protocols, msg)
require.True(t, tr.Protocols.HTTP2(), msg)
}
// Codex/OpenAI 上游改走 HTTP/2 后,池化连接被代理/NAT 静默掐断会成为“死连接”:
// 两端都以为连接存活,请求落上去会挂到 TCP 重传超时(分钟级)才失败。Go 的
// http2.Transport 默认 ReadIdleTimeout=0(不发健康 PING),无法检测这种死连接。
// 必须显式启用主动 PING 探测,让死连接被提前剔除,而不是只靠 ResponseHeaderTimeout
// 事后兜底。
func TestEnableOpenAIHTTP2KeepAlive_EnablesPingHealthCheck(t *testing.T) {
tr := &http.Transport{}
h2, err := enableOpenAIHTTP2KeepAlive(tr)
require.NoError(t, err)
require.NotNil(t, h2, "必须返回已配置的 *http2.Transport")
require.Positive(t, h2.ReadIdleTimeout, "必须启用空闲 PING 探测以剔除死连接")
require.Equal(t, openAIHTTP2ReadIdleTimeout, h2.ReadIdleTimeout)
require.Equal(t, openAIHTTP2PingTimeout, h2.PingTimeout, "PING 无响应必须有超时判定")
requireHTTP2Configured(t, tr, "http2 必须已挂到底层 http.Transport 上")
}
// openai_h2 模式构建的 Transport 必须带上 H2 PING 健康探测,从源头剔除死连接。
func TestBuildUpstreamTransport_OpenAIH2_EnablesPingHealthCheck(t *testing.T) {
tr, err := buildUpstreamTransport(http2KeepAliveTestPoolSettings(), nil, upstreamProtocolModeOpenAIH2)
require.NoError(t, err)
require.True(t, tr.ForceAttemptHTTP2, "openai_h2 必须启用 HTTP/2")
requireHTTP2Configured(t, tr, "openai_h2 必须显式配置 http2 以启用 ReadIdleTimeout")
}
// 非 H2 模式(default/h1)不应因本次改动被误配置:default 走 Go 自动 H2(惰性配置,
// 构建时 Protocols/TLSNextProto 仍为空),h1 模式显式禁用 H2。避免波及 Claude/Gemini 热路径。
func TestBuildUpstreamTransport_NonOpenAIH2_NotEagerlyConfigured(t *testing.T) {
tr, err := buildUpstreamTransport(http2KeepAliveTestPoolSettings(), nil, upstreamProtocolModeDefault)
require.NoError(t, err)
require.Nil(t, tr.Protocols, "default 模式不应在构建期主动配置 http2 keepalive")
require.Nil(t, tr.TLSNextProto["h2"], "default 模式不应在构建期主动配置 http2 keepalive")
}
// openai_h2 模式构建的 Transport 必须真正以 HTTP/2 与上游通信,PING 健康探测才有载体:
// 自定义 DialContext 下 Go 不会自动启用 H2,全靠 enableOpenAIHTTP2KeepAlive 的显式配置。
func TestBuildUpstreamTransport_OpenAIH2_NegotiatesHTTP2(t *testing.T) {
srv := httptest.NewUnstartedServer(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
w.WriteHeader(http.StatusOK)
}))
srv.EnableHTTP2 = true
srv.StartTLS()
defer srv.Close()
tr, err := buildUpstreamTransport(http2KeepAliveTestPoolSettings(), nil, upstreamProtocolModeOpenAIH2)
require.NoError(t, err)
defer tr.CloseIdleConnections()
require.NotNil(t, tr.TLSClientConfig)
roots := x509.NewCertPool()
roots.AddCert(srv.Certificate())
tr.TLSClientConfig.RootCAs = roots
req, err := http.NewRequestWithContext(context.Background(), http.MethodGet, srv.URL, nil)
require.NoError(t, err)
resp, err := tr.RoundTrip(req)
require.NoError(t, err)
require.NoError(t, resp.Body.Close())
require.Equal(t, http.StatusOK, resp.StatusCode)
require.Equal(t, 2, resp.ProtoMajor, "openai_h2 必须协商到 HTTP/2")
}
// 死连接在经 HTTP 代理(CONNECT 隧道)时最高发,这是带 proxy 账号的真实生产路径:
// 显式 http2 配置须与 Transport.Proxy 同时正确生效,不能相互干扰。
func TestBuildUpstreamTransport_OpenAIH2_WithHTTPProxy_EnablesKeepAlive(t *testing.T) {
proxyURL, err := url.Parse("http://127.0.0.1:8080")
require.NoError(t, err)
tr, err := buildUpstreamTransport(http2KeepAliveTestPoolSettings(), proxyURL, upstreamProtocolModeOpenAIH2)
require.NoError(t, err)
require.True(t, tr.ForceAttemptHTTP2)
requireHTTP2Configured(t, tr, "经代理的 openai_h2 也必须启用 http2 keepalive")
require.NotNil(t, tr.Proxy, "HTTP 代理仍须通过 Transport.Proxy 生效")
}