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// Copyright 2011 Miek Gieben. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package dns
import (
"testing"
"time"
)
func TestClientSync(t *testing.T) {
m := new(Msg)
m.SetQuestion("miek.nl.", TypeSOA)
c := new(Client)
r, _, _ := c.Exchange(m, "37.251.95.53:53")
if r != nil && r.Rcode != RcodeSuccess {
t.Log("Failed to get an valid answer")
t.Fail()
t.Logf("%v\n", r)
}
}
func TestClientEDNS0(t *testing.T) {
m := new(Msg)
m.SetQuestion("miek.nl.", TypeDNSKEY)
m.SetEdns0(2048, true)
//edns.Option = make([]Option, 1)
//edns.SetNsid("") // Empty to request it
c := new(Client)
r, _, _ := c.Exchange(m, "37.251.95.53:53")
if r != nil && r.Rcode != RcodeSuccess {
t.Log("Failed to get an valid answer")
t.Fail()
t.Logf("%v\n", r)
}
}
func TestSingleSingleInflight(t *testing.T) {
m := new(Msg)
m.SetQuestion("miek.nl.", TypeDNSKEY)
c := new(Client)
c.SingleInflight = true
nr := 10
ch := make(chan time.Duration)
for i := 0; i < nr; i++ {
go func() {
_, rtt, _ := c.Exchange(m, "37.251.95.53:53")
ch <- rtt
}()
}
i := 0
var first time.Duration
// With inflight *all* rtt are identical, and by doing actual lookups
// the changes that this is a coincidence is small.
Loop:
for {
select {
case rtt := <-ch:
if i == 0 {
first = rtt
} else {
if first != rtt {
t.Log("All rtt should be equal")
t.Fail()
}
}
i++
if i == 10 {
break Loop
}
}
}
}
func TestClientTsigAXFR(t *testing.T) {
m := new(Msg)
m.SetAxfr("miek.nl.")
m.SetTsig("axfr.", HmacMD5, 300, time.Now().Unix())
c := new(Client)
c.TsigSecret = map[string]string{"axfr.": "so6ZGir4GPAqINNh9U5c3A=="}
c.Net = "tcp"
if a, err := c.TransferIn(m, "37.251.95.53:53"); err != nil {
t.Log("Failed to setup axfr: " + err.Error())
t.Fatal()
} else {
for ex := range a {
if ex.Error != nil {
t.Logf("Error %s\n", ex.Error.Error())
t.Fail()
break
}
for _, rr := range ex.RR {
t.Logf("%s\n", rr.String())
}
}
}
}
func TestClientAXFRMultipleMessages(t *testing.T) {
m := new(Msg)
m.SetAxfr("dnsex.nl.")
c := new(Client)
c.Net = "tcp"
if a, err := c.TransferIn(m, "37.251.95.53:53"); err != nil {
t.Log("Failed to setup axfr" + err.Error())
t.Fail()
return
} else {
for ex := range a {
if ex.Error != nil {
t.Logf("Error %s\n", ex.Error.Error())
t.Fail()
break
}
}
}
}
// not really a test, but shows how to use update leases
func TestUpdateLeaseTSIG(t *testing.T) {
m := new(Msg)
m.SetUpdate("t.local.ip6.io.")
rr, _ := NewRR("t.local.ip6.io. 30 A 127.0.0.1")
rrs := make([]RR, 1)
rrs[0] = rr
m.Insert(rrs)
lease_rr := new(OPT)
lease_rr.Hdr.Name = "."
lease_rr.Hdr.Rrtype = TypeOPT
e := new(EDNS0_UL)
e.Code = EDNS0UL
e.Lease = 120
lease_rr.Option = append(lease_rr.Option, e)
m.Extra = append(m.Extra, lease_rr)
c := new(Client)
m.SetTsig("polvi.", HmacMD5, 300, time.Now().Unix())
c.TsigSecret = map[string]string{"polvi.": "pRZgBrBvI4NAHZYhxmhs/Q=="}
w := new(reply)
w.client = c
w.addr = "127.0.0.1:53"
w.req = m
if err := w.dial(); err != nil {
t.Fail()
}
if err := w.send(m); err != nil {
t.Fail()
}
}
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