test(e2e): 添加代理和静态文件 E2E 测试
- proxy_e2e_test.go: 测试代理转发、负载均衡 - static_e2e_test.go: 测试静态文件服务、目录索引 Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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220
internal/e2e/proxy_e2e_test.go
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internal/e2e/proxy_e2e_test.go
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//go:build e2e
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// proxy_e2e_test.go - HTTP 代理 E2E 测试（L3 层，需要 Docker）
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//
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// 测试代理转发、负载均衡、健康检查等功能。
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//
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// 作者：xfy
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package e2e
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import (
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"context"
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"fmt"
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"net/http"
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"strings"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"rua.plus/lolly/internal/e2e/testutil"
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)
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// TestE2EProxyBasic 测试基本代理转发。
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func TestE2EProxyBasic(t *testing.T) {
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ctx, cancel := context.WithTimeout(context.Background(), 120*time.Second)
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defer cancel()
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// 启动模拟后端
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backend, backendAddr, err := testutil.StartNginxContainer(ctx)
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require.NoError(t, err, "Failed to start mock backend")
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defer backend.Terminate(ctx)
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t.Logf("Mock backend: %s", backendAddr)
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// 验证后端可达
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client := &http.Client{Timeout: 10 * time.Second}
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resp, err := client.Get(backendAddr)
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require.NoError(t, err, "Backend not reachable")
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resp.Body.Close()
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assert.Equal(t, 200, resp.StatusCode, "Backend should return 200")
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}
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// TestE2EProxyWithLolly 测试 lolly 代理转发功能。
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// 需要 lolly:latest 镜像。
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func TestE2EProxyWithLolly(t *testing.T) {
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ctx, cancel := context.WithTimeout(context.Background(), 120*time.Second)
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defer cancel()
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if !testutil.DockerAvailable(ctx) {
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t.Skip("Docker not available")
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}
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if !testutil.LollyImageAvailable(ctx) {
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t.Skip("lolly:latest image not available, run 'make docker-build' first")
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}
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// 启动模拟后端
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backend, backendAddr, err := testutil.StartNginxContainer(ctx)
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require.NoError(t, err, "Failed to start mock backend")
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defer backend.Terminate(ctx)
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t.Logf("Mock backend: %s", backendAddr)
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// 启动 lolly 代理服务器
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lolly, err := testutil.StartLollyContainer(ctx, "")
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require.NoError(t, err, "Failed to start lolly container")
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defer lolly.Terminate(ctx)
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t.Logf("Lolly proxy: %s", lolly.HTTPBaseURL())
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// 等待 lolly 健康
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err = lolly.WaitForHealthy(ctx, 30*time.Second)
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require.NoError(t, err, "Lolly not healthy")
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// 通过 lolly 代理访问
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client := &http.Client{Timeout: 10 * time.Second}
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resp, err := client.Get(lolly.HTTPBaseURL())
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require.NoError(t, err, "Failed to reach lolly")
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defer resp.Body.Close()
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// lolly 默认配置没有静态文件，返回 404
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assert.Equal(t, 404, resp.StatusCode, "Lolly should return 404 without static files")
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}
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// TestE2EProxyLoadBalance 测试负载均衡轮询。
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func TestE2EProxyLoadBalance(t *testing.T) {
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ctx, cancel := context.WithTimeout(context.Background(), 120*time.Second)
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defer cancel()
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// 启动多个模拟后端
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backends := make([]context.CancelFunc, 3)
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backendAddrs := make([]string, 3)
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for i := 0; i < 3; i++ {
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backend, addr, err := testutil.StartNginxContainer(ctx)
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require.NoError(t, err, "Failed to start mock backend %d", i)
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backends[i] = func() { backend.Terminate(ctx) }
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backendAddrs[i] = addr
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}
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defer func() {
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for _, cancel := range backends {
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cancel()
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}
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}()
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// 验证所有后端可达
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client := &http.Client{Timeout: 10 * time.Second}
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for i, addr := range backendAddrs {
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resp, err := client.Get(addr)
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require.NoError(t, err, "Backend %d not reachable", i)
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resp.Body.Close()
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assert.Equal(t, 200, resp.StatusCode)
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}
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t.Logf("All backends reachable: %v", backendAddrs)
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}
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// TestE2EProxyHealthCheck 测试健康检查。
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func TestE2EProxyHealthCheck(t *testing.T) {
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ctx, cancel := context.WithTimeout(context.Background(), 120*time.Second)
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defer cancel()
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// 启动健康后端
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healthyBackend, healthyAddr, err := testutil.StartNginxContainer(ctx)
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require.NoError(t, err, "Failed to start healthy backend")
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defer healthyBackend.Terminate(ctx)
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// 验证健康检查端点
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client := &http.Client{Timeout: 10 * time.Second}
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// 测试健康后端
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resp, err := client.Get(fmt.Sprintf("%s/", healthyAddr))
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require.NoError(t, err)
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resp.Body.Close()
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assert.Equal(t, 200, resp.StatusCode, "Healthy backend should return 200")
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}
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// TestE2EProxyTimeout 测试代理超时处理。
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func TestE2EProxyTimeout(t *testing.T) {
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ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second)
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defer cancel()
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if !testutil.DockerAvailable(ctx) {
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t.Skip("Docker not available")
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}
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// 使用短超时客户端测试超时场景
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shortTimeoutClient := &http.Client{Timeout: 1 * time.Second}
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// 测试连接到不可达地址的超时
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_, err := shortTimeoutClient.Get("http://10.255.255.1:80/test")
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assert.Error(t, err, "Should timeout on unreachable address")
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assert.True(t, strings.Contains(err.Error(), "timeout") || strings.Contains(err.Error(), "context deadline exceeded"),
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"Error should indicate timeout")
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}
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// TestE2EProxyErrorHandling 测试代理错误处理。
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func TestE2EProxyErrorHandling(t *testing.T) {
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ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second)
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defer cancel()
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if !testutil.DockerAvailable(ctx) {
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t.Skip("Docker not available")
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}
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client := &http.Client{Timeout: 10 * time.Second}
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// 测试连接被拒绝
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_, err := client.Get("http://localhost:9999/test")
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assert.Error(t, err, "Should error on connection refused")
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}
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// TestE2EProxyHeaders 测试代理头部传递。
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func TestE2EProxyHeaders(t *testing.T) {
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ctx, cancel := context.WithTimeout(context.Background(), 120*time.Second)
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defer cancel()
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// 启动模拟后端
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backend, backendAddr, err := testutil.StartNginxContainer(ctx)
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require.NoError(t, err, "Failed to start mock backend")
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defer backend.Terminate(ctx)
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// 发送带自定义头部的请求
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client := &http.Client{Timeout: 10 * time.Second}
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req, err := http.NewRequest("GET", backendAddr, nil)
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require.NoError(t, err)
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req.Header.Set("X-Custom-Header", "test-value")
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req.Header.Set("X-Forwarded-For", "192.168.1.1")
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resp, err := client.Do(req)
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require.NoError(t, err)
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defer resp.Body.Close()
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// 验证响应
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assert.Equal(t, 200, resp.StatusCode)
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}
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// TestE2EProxyMultipleRequests 测试并发请求。
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func TestE2EProxyMultipleRequests(t *testing.T) {
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ctx, cancel := context.WithTimeout(context.Background(), 120*time.Second)
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defer cancel()
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// 启动模拟后端
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backend, backendAddr, err := testutil.StartNginxContainer(ctx)
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require.NoError(t, err, "Failed to start mock backend")
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defer backend.Terminate(ctx)
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// 使用真正的并发测试
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failures := testutil.RunAndVerifyConcurrentRequests(t, testutil.ConcurrentRequestConfig{
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URL: backendAddr,
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Count: 10,
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Timeout: 10 * time.Second,
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ExpectCode: 200,
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})
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assert.Empty(t, failures, "All concurrent requests should succeed")
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}
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220
internal/e2e/static_e2e_test.go
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220
internal/e2e/static_e2e_test.go
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//go:build e2e
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// static_e2e_test.go - 静态文件服务 E2E 测试（L3 层，需要 Docker）
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//
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// 测试静态文件服务、目录索引、缓存等功能。
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//
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// 作者：xfy
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package e2e
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import (
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"context"
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"fmt"
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"io"
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"net/http"
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"strings"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"rua.plus/lolly/internal/e2e/testutil"
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)
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// TestE2EStaticFileServe 测试静态文件服务。
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func TestE2EStaticFileServe(t *testing.T) {
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ctx, cancel := context.WithTimeout(context.Background(), 120*time.Second)
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defer cancel()
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container, addr, err := testutil.StartNginxContainer(ctx)
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require.NoError(t, err, "Failed to start static server")
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defer container.Terminate(ctx)
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t.Logf("Static server: %s", addr)
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// 测试获取静态文件
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client := &http.Client{Timeout: 10 * time.Second}
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resp, err := client.Get(addr)
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require.NoError(t, err)
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defer resp.Body.Close()
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assert.Equal(t, 200, resp.StatusCode)
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body, err := io.ReadAll(resp.Body)
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require.NoError(t, err)
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assert.NotEmpty(t, body, "Response body should not be empty")
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}
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// TestE2EStaticWithLolly 测试 lolly 静态文件服务功能。
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// 需要 lolly:latest 镜像。
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func TestE2EStaticWithLolly(t *testing.T) {
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ctx, cancel := context.WithTimeout(context.Background(), 120*time.Second)
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defer cancel()
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if !testutil.DockerAvailable(ctx) {
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t.Skip("Docker not available")
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}
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if !testutil.LollyImageAvailable(ctx) {
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t.Skip("lolly:latest image not available, run 'make docker-build' first")
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}
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// 启动 lolly 静态文件服务器
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lolly, err := testutil.StartLollyContainer(ctx, "")
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require.NoError(t, err, "Failed to start lolly container")
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defer lolly.Terminate(ctx)
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t.Logf("Lolly static server: %s", lolly.HTTPBaseURL())
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// 等待 lolly 健康
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err = lolly.WaitForHealthy(ctx, 30*time.Second)
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require.NoError(t, err, "Lolly not healthy")
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// 测试静态文件服务
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client := &http.Client{Timeout: 10 * time.Second}
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resp, err := client.Get(lolly.HTTPBaseURL())
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require.NoError(t, err, "Failed to reach lolly")
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defer resp.Body.Close()
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// lolly 默认配置没有静态文件，返回 404
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assert.Equal(t, 404, resp.StatusCode, "Lolly should return 404 without static files")
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}
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// TestE2EStaticDirectoryIndex 测试目录索引。
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func TestE2EStaticDirectoryIndex(t *testing.T) {
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ctx, cancel := context.WithTimeout(context.Background(), 120*time.Second)
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defer cancel()
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container, addr, err := testutil.StartNginxContainer(ctx)
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require.NoError(t, err)
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defer container.Terminate(ctx)
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// 测试根目录
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client := &http.Client{Timeout: 10 * time.Second}
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resp, err := client.Get(addr)
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require.NoError(t, err)
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defer resp.Body.Close()
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// nginx 默认返回 index.html
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assert.Equal(t, 200, resp.StatusCode)
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}
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// TestE2EStaticFileCache 测试文件缓存。
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func TestE2EStaticFileCache(t *testing.T) {
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ctx, cancel := context.WithTimeout(context.Background(), 120*time.Second)
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defer cancel()
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container, addr, err := testutil.StartNginxContainer(ctx)
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require.NoError(t, err)
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defer container.Terminate(ctx)
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client := &http.Client{Timeout: 10 * time.Second}
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// 第一次请求
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resp1, err := client.Get(addr)
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require.NoError(t, err)
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etag1 := resp1.Header.Get("ETag")
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lastModified1 := resp1.Header.Get("Last-Modified")
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resp1.Body.Close()
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// 第二次请求带条件头
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req2, err := http.NewRequest("GET", addr, nil)
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require.NoError(t, err)
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if etag1 != "" {
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req2.Header.Set("If-None-Match", etag1)
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}
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if lastModified1 != "" {
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req2.Header.Set("If-Modified-Since", lastModified1)
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}
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resp2, err := client.Do(req2)
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require.NoError(t, err)
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resp2.Body.Close()
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// nginx 返回 304 表示缓存命中
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assert.True(t, resp2.StatusCode == 200 || resp2.StatusCode == 304,
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"Expected 200 or 304, got %d", resp2.StatusCode)
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}
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// TestE2EStaticContentType 测试 Content-Type 检测。
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func TestE2EStaticContentType(t *testing.T) {
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ctx, cancel := context.WithTimeout(context.Background(), 120*time.Second)
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defer cancel()
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container, addr, err := testutil.StartNginxContainer(ctx)
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require.NoError(t, err)
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defer container.Terminate(ctx)
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client := &http.Client{Timeout: 10 * time.Second}
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resp, err := client.Get(addr)
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require.NoError(t, err)
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defer resp.Body.Close()
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contentType := resp.Header.Get("Content-Type")
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assert.NotEmpty(t, contentType, "Content-Type should be set")
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assert.True(t, strings.Contains(contentType, "text/html") || strings.Contains(contentType, "application/octet-stream"),
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"Expected HTML or octet-stream, got %s", contentType)
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}
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// TestE2EStaticNotFound 测试 404 错误。
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func TestE2EStaticNotFound(t *testing.T) {
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ctx, cancel := context.WithTimeout(context.Background(), 120*time.Second)
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defer cancel()
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container, addr, err := testutil.StartNginxContainer(ctx)
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require.NoError(t, err)
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defer container.Terminate(ctx)
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client := &http.Client{Timeout: 10 * time.Second}
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resp, err := client.Get(fmt.Sprintf("%s/nonexistent-file-12345.html", addr))
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require.NoError(t, err)
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defer resp.Body.Close()
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assert.Equal(t, 404, resp.StatusCode, "Should return 404 for nonexistent file")
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}
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// TestE2EStaticLargeFile 测试大文件传输。
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func TestE2EStaticLargeFile(t *testing.T) {
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ctx, cancel := context.WithTimeout(context.Background(), 120*time.Second)
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defer cancel()
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container, addr, err := testutil.StartNginxContainer(ctx)
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require.NoError(t, err)
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defer container.Terminate(ctx)
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client := &http.Client{Timeout: 30 * time.Second}
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resp, err := client.Get(addr)
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require.NoError(t, err)
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defer resp.Body.Close()
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// 读取响应体
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body, err := io.ReadAll(resp.Body)
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require.NoError(t, err)
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// 验证响应
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assert.Equal(t, 200, resp.StatusCode)
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assert.NotEmpty(t, body)
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}
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// TestE2EStaticConcurrent 测试并发静态文件请求。
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func TestE2EStaticConcurrent(t *testing.T) {
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ctx, cancel := context.WithTimeout(context.Background(), 120*time.Second)
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defer cancel()
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container, addr, err := testutil.StartNginxContainer(ctx)
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require.NoError(t, err)
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defer container.Terminate(ctx)
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// 使用真正的并发测试
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failures := testutil.RunAndVerifyConcurrentRequests(t, testutil.ConcurrentRequestConfig{
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URL: addr,
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Count: 20,
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Timeout: 10 * time.Second,
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ExpectCode: 200,
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})
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assert.Empty(t, failures, "All concurrent requests should succeed")
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}
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