mirror of
https://github.com/AdguardTeam/AdGuardDNS.git
synced 2025-02-20 11:23:36 +08:00
110 lines
2.1 KiB
Go
110 lines
2.1 KiB
Go
package forward
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import (
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"testing"
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"time"
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"github.com/coredns/coredns/plugin/pkg/dnstest"
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"github.com/miekg/dns"
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)
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func TestCached(t *testing.T) {
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s := dnstest.NewServer(func(w dns.ResponseWriter, r *dns.Msg) {
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ret := new(dns.Msg)
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ret.SetReply(r)
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w.WriteMsg(ret)
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})
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defer s.Close()
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tr := newTransport(s.Addr)
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tr.Start()
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defer tr.Stop()
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c1, cache1, _ := tr.Dial("udp")
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c2, cache2, _ := tr.Dial("udp")
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if cache1 || cache2 {
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t.Errorf("Expected non-cached connection")
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}
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tr.Yield(c1)
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tr.Yield(c2)
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c3, cached3, _ := tr.Dial("udp")
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if !cached3 {
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t.Error("Expected cached connection (c3)")
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}
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if c2 != c3 {
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t.Error("Expected c2 == c3")
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}
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tr.Yield(c3)
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// dial another protocol
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c4, cached4, _ := tr.Dial("tcp")
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if cached4 {
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t.Errorf("Expected non-cached connection (c4)")
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}
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tr.Yield(c4)
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}
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func TestCleanupByTimer(t *testing.T) {
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s := dnstest.NewServer(func(w dns.ResponseWriter, r *dns.Msg) {
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ret := new(dns.Msg)
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ret.SetReply(r)
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w.WriteMsg(ret)
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})
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defer s.Close()
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tr := newTransport(s.Addr)
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tr.SetExpire(100 * time.Millisecond)
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tr.Start()
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defer tr.Stop()
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c1, _, _ := tr.Dial("udp")
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c2, _, _ := tr.Dial("udp")
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tr.Yield(c1)
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time.Sleep(10 * time.Millisecond)
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tr.Yield(c2)
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time.Sleep(120 * time.Millisecond)
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c3, cached, _ := tr.Dial("udp")
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if cached {
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t.Error("Expected non-cached connection (c3)")
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}
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tr.Yield(c3)
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time.Sleep(120 * time.Millisecond)
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c4, cached, _ := tr.Dial("udp")
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if cached {
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t.Error("Expected non-cached connection (c4)")
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}
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tr.Yield(c4)
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}
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func TestCleanupAll(t *testing.T) {
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s := dnstest.NewServer(func(w dns.ResponseWriter, r *dns.Msg) {
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ret := new(dns.Msg)
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ret.SetReply(r)
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w.WriteMsg(ret)
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})
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defer s.Close()
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tr := newTransport(s.Addr)
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c1, _ := dns.DialTimeout("udp", tr.addr, maxDialTimeout)
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c2, _ := dns.DialTimeout("udp", tr.addr, maxDialTimeout)
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c3, _ := dns.DialTimeout("udp", tr.addr, maxDialTimeout)
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tr.conns[typeUdp] = []*persistConn{{c1, time.Now()}, {c2, time.Now()}, {c3, time.Now()}}
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if len(tr.conns[typeUdp]) != 3 {
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t.Error("Expected 3 connections")
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}
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tr.cleanup(true)
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if len(tr.conns[typeUdp]) > 0 {
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t.Error("Expected no cached connections")
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}
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}
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