75 lines
2.8 KiB
Go
75 lines
2.8 KiB
Go
package mtprotoedge
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import (
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"context"
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"testing"
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"time"
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"go.uber.org/zap/zaptest"
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"github.com/iamxvbaba/td/proto"
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"github.com/iamxvbaba/td/tg"
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)
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// TestPushSkipsConnReboundToOtherUser 锁定跨账号投递窗口的修复：pushToUserWithSender 在锁外
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// 发送前复查 c.userID。模拟「收集 conns 后、send 前」连接被并发换绑（atomic userID 改了但
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// byUser 索引尚未更新）的窗口，验证本属于 userA 的 update 不会投递到已易主为 userB 的连接。
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func TestPushSkipsConnReboundToOtherUser(t *testing.T) {
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sm := NewSessionManager(zaptest.NewLogger(t))
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const userA, userB = int64(100), int64(200)
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mk := func(sid int64, authKey byte) *Conn {
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c := &Conn{
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sessionID: sid,
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authKeyID: [8]byte{authKey},
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outbound: make(chan outboundOp, 4),
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outboundControl: make(chan outboundOp, 4),
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outboundStop: make(chan struct{}),
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}
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c.userID.Store(userA)
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c.userIDResolved.Store(true)
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c.receivesUpdates.Store(true)
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if err := c.FreezeLayerProfile(tg.LayerProfileCanonical); err != nil {
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t.Fatal(err)
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}
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sm.Register(c)
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return c
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}
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stale := mk(1, 1) // 注册为 userA 后被换绑到 userB
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live := mk(2, 2) // 始终 userA
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// 直接改 atomic userID、不动 byUser 索引：复现锁释放后到 send 前的换绑窗口。
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stale.userID.Store(userB)
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// 走 best-effort 推送：与普通推送共用 pushToUserWithSender（含 userID 复查），但只入队
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// 不等 op.done，故无需起 outbound actor 即可观察「投递 vs 跳过」（op 进 buffered c.outbound）。
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if _, err := sm.PushToUserExceptSessionBestEffort(context.Background(), userA, 0, proto.MessageFromServer, &tg.UpdatesTooLong{}, time.Second); err != nil {
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t.Fatalf("push: %v", err)
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}
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if n := len(stale.outbound); n != 0 {
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t.Fatalf("rebound conn received %d ops, want 0 (must skip cross-account delivery)", n)
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}
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if n := len(live.outbound); n != 1 {
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t.Fatalf("live conn received %d ops, want 1", n)
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}
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}
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// TestRegisterEvictsAtSessionCap 锁定单 auth_key 的 session 数上限：超出 maxSessionsPerAuthKey
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// 的新 session 注册会驱逐一个现有 session，防对抗客户端用海量 session_id 撑爆索引。
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func TestRegisterEvictsAtSessionCap(t *testing.T) {
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sm := NewSessionManager(zaptest.NewLogger(t))
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authKey := [8]byte{7}
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for i := 1; i <= maxSessionsPerAuthKey+5; i++ {
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// 裸 Conn（无 outbound/rpc 通道）：被驱逐时 Close() 为安全 no-op。
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sm.Register(&Conn{sessionID: int64(i), authKeyID: authKey})
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}
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sm.mu.RLock()
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perKey := len(sm.byAuthKey[authKey])
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total := len(sm.bySession)
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sm.mu.RUnlock()
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if perKey != maxSessionsPerAuthKey {
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t.Fatalf("sessions for auth key = %d, want cap %d", perKey, maxSessionsPerAuthKey)
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}
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if total != maxSessionsPerAuthKey {
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t.Fatalf("total online = %d, want %d", total, maxSessionsPerAuthKey)
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}
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}
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