wehub-resource-sync
108 lines
4.0 KiB
Go
108 lines
4.0 KiB
Go
package xlgo_test
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import (
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"errors"
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"net/http"
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"net/http/httptest"
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"testing"
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xlgo "github.com/EthanCodeCraft/xlgo-core"
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"github.com/EthanCodeCraft/xlgo-core/middleware"
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"github.com/gin-gonic/gin"
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)
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// TestAppRateLimitMultiAppShutdownIsolation 固化 Phase 5 核心契约：单进程多 App 时，
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// App A 的 Shutdown 不得重置/停止 App B 的限流器。修复前 App.Shutdown 调全局
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// middleware.StopRateLimiters，把全局 loginLimiter 置 nil，App B 下次请求会懒创建
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// 新 limiter（计数清零）--稳态客户端借 App A 的 Shutdown 窗口绕过限流。
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//
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// 验证：App B 的 /login 已用 10/10 次后，App A.Shutdown，第 11 次仍应 429（计数保留）。
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// 修复前第 11 次会 200（计数被重置）。
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func TestAppRateLimitMultiAppShutdownIsolation(t *testing.T) {
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saved := middleware.SwapDefaultRateLimitRegistry(middleware.NewRateLimitRegistry())
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defer middleware.SwapDefaultRateLimitRegistry(saved)
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// 用 REST 响应模式：限流映射 HTTP 429（business 模式下是 200+业务码 429，不便断言）
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cfgA := testConfig(18130)
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cfgA.Server.ResponseMode = "rest"
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cfgB := testConfig(18131)
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cfgB.Server.ResponseMode = "rest"
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appA := xlgo.New(xlgo.WithConfig(cfgA))
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if err := appA.Init(); err != nil {
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t.Fatalf("appA Init: %v", err)
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}
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appA.GetRouter().GET("/login", middleware.LoginRateLimit(), func(c *gin.Context) {
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c.JSON(http.StatusOK, gin.H{"ok": true})
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})
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appB := xlgo.New(xlgo.WithConfig(cfgB))
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if err := appB.Init(); err != nil {
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t.Fatalf("appB Init: %v", err)
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}
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defer appB.Shutdown()
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appB.GetRouter().GET("/login", middleware.LoginRateLimit(), func(c *gin.Context) {
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c.JSON(http.StatusOK, gin.H{"ok": true})
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})
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// 10 次请求 App B 的 /login（限流 10/min，同一 IP）-> 全 200
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for i := 0; i < 10; i++ {
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w := httptest.NewRecorder()
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req := httptest.NewRequest(http.MethodGet, "/login", nil)
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req.RemoteAddr = "192.0.2.1:1234"
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appB.GetRouter().ServeHTTP(w, req)
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if w.Code != http.StatusOK {
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t.Fatalf("request %d: got %d, want 200 (under limit)", i+1, w.Code)
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}
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}
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// 第 11 次（不经 A.Shutdown）应 429 -- 先确认限流器确实计数到上限（排除 IP/计数 bug）
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{
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w := httptest.NewRecorder()
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req := httptest.NewRequest(http.MethodGet, "/login", nil)
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req.RemoteAddr = "192.0.2.1:1234"
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appB.GetRouter().ServeHTTP(w, req)
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if w.Code != http.StatusTooManyRequests {
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t.Fatalf("sanity: 11th without shutdown got %d, want 429 (limiter not counting?)", w.Code)
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}
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}
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// App A Shutdown -- 不得重置/停止 App B 的 login limiter
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if err := appA.Shutdown(); err != nil {
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t.Fatalf("appA Shutdown: %v", err)
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}
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// 第 12 次请求 App B 的 /login -> 应仍 429（计数保留在 10，registryB 未被 A.Shutdown 重置）。
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// 修复前 A.Shutdown 调 StopRateLimiters 把全局 loginLimiter 置 nil，下次请求懒创建新 limiter（计数清零）-> 200。
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{
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w := httptest.NewRecorder()
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req := httptest.NewRequest(http.MethodGet, "/login", nil)
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req.RemoteAddr = "192.0.2.1:1234"
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appB.GetRouter().ServeHTTP(w, req)
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if w.Code != http.StatusTooManyRequests {
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t.Errorf("12th request after appA Shutdown: got %d, want 429 (limiter count should be preserved, not reset by appA.Shutdown)", w.Code)
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}
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}
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}
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// TestAppRateLimitRollbackOnInitFailure 固化 Phase 5 回滚：Init 失败后全局默认 Registry
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// 必须恢复为 Init 前的实例。
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func TestAppRateLimitRollbackOnInitFailure(t *testing.T) {
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preInit := middleware.NewRateLimitRegistry()
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saved := middleware.SwapDefaultRateLimitRegistry(preInit)
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defer middleware.SwapDefaultRateLimitRegistry(saved)
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app := xlgo.New(
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xlgo.WithConfig(testConfig(18132)),
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xlgo.WithHook(xlgo.Hook{Name: "fail", OnInit: func(*xlgo.App) error { return errors.New("boom") }}),
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)
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if err := app.Init(); err == nil {
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_ = app.Shutdown()
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t.Fatal("expected Init to fail via OnInit hook")
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}
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if middleware.GetDefaultRateLimitRegistry() != preInit {
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t.Fatal("rollback did not restore preInit rate limit registry as global default")
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}
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}
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