mirror of
https://github.com/AdguardTeam/AdGuardHome.git
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36986a8beb
Squashed commit of the following:
commit bb94329168215dffb12073bd8748453b17c52b02
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date: Mon Apr 15 13:53:23 2024 +0300
all: upd golibs
120 lines
2.8 KiB
Go
120 lines
2.8 KiB
Go
package dnssvc_test
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import (
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"net/netip"
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"testing"
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"time"
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"github.com/AdguardTeam/AdGuardHome/internal/next/dnssvc"
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"github.com/AdguardTeam/golibs/testutil"
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"github.com/miekg/dns"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestMain(m *testing.M) {
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testutil.DiscardLogOutput(m)
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}
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// testTimeout is the common timeout for tests.
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const testTimeout = 1 * time.Second
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func TestService(t *testing.T) {
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const (
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listenAddr = "127.0.0.1:0"
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bootstrapAddr = "127.0.0.1:0"
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upstreamAddr = "upstream.example"
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)
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upstreamErrCh := make(chan error, 1)
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upstreamStartedCh := make(chan struct{})
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upstreamSrv := &dns.Server{
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Addr: bootstrapAddr,
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Net: "udp",
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Handler: dns.HandlerFunc(func(w dns.ResponseWriter, req *dns.Msg) {
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pt := testutil.PanicT{}
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resp := (&dns.Msg{}).SetReply(req)
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resp.Answer = append(resp.Answer, &dns.A{
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Hdr: dns.RR_Header{},
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A: netip.MustParseAddrPort(bootstrapAddr).Addr().AsSlice(),
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})
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writeErr := w.WriteMsg(resp)
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require.NoError(pt, writeErr)
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}),
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NotifyStartedFunc: func() { close(upstreamStartedCh) },
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}
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go func() {
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listenErr := upstreamSrv.ListenAndServe()
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if listenErr != nil {
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// Log these immediately to see what happens.
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t.Logf("upstream listen error: %s", listenErr)
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}
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upstreamErrCh <- listenErr
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}()
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_, _ = testutil.RequireReceive(t, upstreamStartedCh, testTimeout)
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c := &dnssvc.Config{
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Addresses: []netip.AddrPort{netip.MustParseAddrPort(listenAddr)},
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BootstrapServers: []string{upstreamSrv.PacketConn.LocalAddr().String()},
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UpstreamServers: []string{upstreamAddr},
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DNS64Prefixes: nil,
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UpstreamTimeout: testTimeout,
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BootstrapPreferIPv6: false,
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UseDNS64: false,
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}
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svc, err := dnssvc.New(c)
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require.NoError(t, err)
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err = svc.Start()
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require.NoError(t, err)
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gotConf := svc.Config()
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require.NotNil(t, gotConf)
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require.Len(t, gotConf.Addresses, 1)
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addr := gotConf.Addresses[0]
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t.Run("dns", func(t *testing.T) {
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req := &dns.Msg{
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MsgHdr: dns.MsgHdr{
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Id: dns.Id(),
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RecursionDesired: true,
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},
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Question: []dns.Question{{
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Name: "example.com.",
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Qtype: dns.TypeA,
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Qclass: dns.ClassINET,
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}},
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}
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cli := &dns.Client{}
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ctx := testutil.ContextWithTimeout(t, testTimeout)
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var resp *dns.Msg
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require.Eventually(t, func() (ok bool) {
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var excErr error
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resp, _, excErr = cli.ExchangeContext(ctx, req, addr.String())
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return excErr == nil
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}, testTimeout, testTimeout/10)
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assert.NotNil(t, resp)
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})
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err = svc.Shutdown(testutil.ContextWithTimeout(t, testTimeout))
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require.NoError(t, err)
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err = upstreamSrv.Shutdown()
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require.NoError(t, err)
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err, ok := testutil.RequireReceive(t, upstreamErrCh, testTimeout)
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require.True(t, ok)
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require.NoError(t, err)
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}
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