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Pull request 1892: next-imp-dnssvc

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Squashed commit of the following:

commit 770a3f338ecb270fcff7792a4ffe3cf95492d2ae
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Tue Jun 27 20:10:39 2023 +0300

    dnssvc: fix test for darwin

commit 6564abcc0904784ff3787e1a046d665519a108b3
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Tue Jun 27 19:57:19 2023 +0300

    all: fix .gitignore, tests

commit 3ff1be0462b3adea81d98b1f65eeb685d2d72030
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Tue Jun 27 19:30:05 2023 +0300

    next: add conf example; imp dnssvc
This commit is contained in:
Ainar Garipov
2023-06-28 12:48:53 +03:00
parent d88181343c
commit cf7c12c97b
13 changed files with 234 additions and 138 deletions
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81
internal/next/dnssvc/dnssvc_test.go
View File

@@ -6,10 +6,7 @@ import (
"testing"
"time"
"github.com/AdguardTeam/AdGuardHome/internal/aghtest"
"github.com/AdguardTeam/AdGuardHome/internal/next/dnssvc"
"github.com/AdguardTeam/dnsproxy/upstream"
"github.com/AdguardTeam/golibs/errors"
"github.com/AdguardTeam/golibs/testutil"
"github.com/miekg/dns"
"github.com/stretchr/testify/assert"
@@ -21,36 +18,55 @@ func TestMain(m *testing.M) {
}
// testTimeout is the common timeout for tests.
const testTimeout = 100 * time.Millisecond
const testTimeout = 1 * time.Second
func TestService(t *testing.T) {
const (
bootstrapAddr = "bootstrap.example"
listenAddr = "127.0.0.1:0"
bootstrapAddr = "127.0.0.1:0"
upstreamAddr = "upstream.example"
closeErr errors.Error = "closing failed"
)
ups := &aghtest.UpstreamMock{
OnAddress: func() (addr string) {
return upstreamAddr
},
OnExchange: func(req *dns.Msg) (resp *dns.Msg, err error) {
resp = (&dns.Msg{}).SetReply(req)
upstreamErrCh := make(chan error, 1)
upstreamStartedCh := make(chan struct{})
upstreamSrv := &dns.Server{
Addr: bootstrapAddr,
Net: "udp",
Handler: dns.HandlerFunc(func(w dns.ResponseWriter, req *dns.Msg) {
pt := testutil.PanicT{}
return resp, nil
},
OnClose: func() (err error) {
return closeErr
},
resp := (&dns.Msg{}).SetReply(req)
resp.Answer = append(resp.Answer, &dns.A{
Hdr: dns.RR_Header{},
A: netip.MustParseAddrPort(bootstrapAddr).Addr().AsSlice(),
})
writeErr := w.WriteMsg(resp)
require.NoError(pt, writeErr)
}),
NotifyStartedFunc: func() { close(upstreamStartedCh) },
}
go func() {
listenErr := upstreamSrv.ListenAndServe()
if listenErr != nil {
// Log these immediately to see what happens.
t.Logf("upstream listen error: %s", listenErr)
}
upstreamErrCh <- listenErr
}()
_, _ = testutil.RequireReceive(t, upstreamStartedCh, testTimeout)
c := &dnssvc.Config{
Addresses: []netip.AddrPort{netip.MustParseAddrPort("127.0.0.1:0")},
Upstreams: []upstream.Upstream{ups},
BootstrapServers: []string{bootstrapAddr},
UpstreamServers: []string{upstreamAddr},
UpstreamTimeout: testTimeout,
Addresses: []netip.AddrPort{netip.MustParseAddrPort(listenAddr)},
BootstrapServers: []string{upstreamSrv.PacketConn.LocalAddr().String()},
UpstreamServers: []string{upstreamAddr},
DNS64Prefixes: nil,
UpstreamTimeout: testTimeout,
BootstrapPreferIPv6: false,
UseDNS64: false,
}
svc, err := dnssvc.New(c)
@@ -82,8 +98,14 @@ func TestService(t *testing.T) {
defer cancel()
cli := &dns.Client{}
resp, _, excErr := cli.ExchangeContext(ctx, req, addr.String())
require.NoError(t, excErr)
var resp *dns.Msg
require.Eventually(t, func() (ok bool) {
var excErr error
resp, _, excErr = cli.ExchangeContext(ctx, req, addr.String())
return excErr == nil
}, testTimeout, testTimeout/10)
assert.NotNil(t, resp)
})
@@ -92,5 +114,12 @@ func TestService(t *testing.T) {
defer cancel()
err = svc.Shutdown(ctx)
require.ErrorIs(t, err, closeErr)
require.NoError(t, err)
err = upstreamSrv.Shutdown()
require.NoError(t, err)
err, ok := testutil.RequireReceive(t, upstreamErrCh, testTimeout)
require.True(t, ok)
require.NoError(t, err)
}