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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 (
"runtime"
"testing"
"time"
)
func HelloServer(w ResponseWriter, req *Msg) {
m := new(Msg)
m.SetReply(req)
m.Extra = make([]RR, 1)
m.Extra[0] = &TXT{Hdr: RR_Header{Name: m.Question[0].Name, Rrtype: TypeTXT, Class: ClassINET, Ttl: 0}, Txt: []string{"Hello world"}}
w.WriteMsg(m)
}
func AnotherHelloServer(w ResponseWriter, req *Msg) {
m := new(Msg)
m.SetReply(req)
m.Extra = make([]RR, 1)
m.Extra[0] = &TXT{Hdr: RR_Header{Name: m.Question[0].Name, Rrtype: TypeTXT, Class: ClassINET, Ttl: 0}, Txt: []string{"Hello example"}}
w.WriteMsg(m)
}
func TestServing(t *testing.T) {
HandleFunc("miek.nl.", HelloServer)
HandleFunc("example.com.", AnotherHelloServer)
go func() {
err := ListenAndServe(":8053", "udp", nil)
if err != nil {
t.Log("ListenAndServe: ", err.Error())
t.Fail()
}
}()
time.Sleep(4e8)
c := new(Client)
m := new(Msg)
m.SetQuestion("miek.nl.", TypeTXT)
r, _, _ := c.Exchange(m, "127.0.0.1:8053")
txt := r.Extra[0].(*TXT).Txt[0]
if txt != "Hello world" {
t.Log("Unexpected result for miek.nl", txt, "!= Hello world")
t.Fail()
}
m.SetQuestion("example.com.", TypeTXT)
r, _, _ = c.Exchange(m, "127.0.0.1:8053")
txt = r.Extra[0].(*TXT).Txt[0]
if txt != "Hello example" {
t.Log("Unexpected result for example.com", txt, "!= Hello example")
t.Fail()
}
// Test Mixes cased as notices by Ask.
m.SetQuestion("eXaMplE.cOm.", TypeTXT)
r, _, _ = c.Exchange(m, "127.0.0.1:8053")
txt = r.Extra[0].(*TXT).Txt[0]
if txt != "Hello example" {
t.Log("Unexpected result for example.com", txt, "!= Hello example")
t.Fail()
}
}
func BenchmarkServing(b *testing.B) {
b.StopTimer()
HandleFunc("miek.nl.", HelloServer)
a := runtime.GOMAXPROCS(4)
go func() {
ListenAndServe("127.0.0.1:8053", "udp", nil)
}()
c := new(Client)
m := new(Msg)
m.SetQuestion("miek.nl", TypeSOA)
b.StartTimer()
for i := 0; i < b.N; i++ {
c.Exchange(m, "127.0.0.1:8053")
}
runtime.GOMAXPROCS(a)
}
func HelloServerCompress(w ResponseWriter, req *Msg) {
m := new(Msg)
m.SetReply(req)
m.Extra = make([]RR, 1)
m.Extra[0] = &TXT{Hdr: RR_Header{Name: m.Question[0].Name, Rrtype: TypeTXT, Class: ClassINET, Ttl: 0}, Txt: []string{"Hello world"}}
m.Compress = true
w.WriteMsg(m)
}
func BenchmarkServingCompress(b *testing.B) {
b.StopTimer()
HandleFunc("miek.nl.", HelloServerCompress)
a := runtime.GOMAXPROCS(4)
go func() {
ListenAndServe("127.0.0.1:8053", "udp", nil)
}()
c := new(Client)
m := new(Msg)
m.SetQuestion("miek.nl", TypeSOA)
b.StartTimer()
for i := 0; i < b.N; i++ {
c.Exchange(m, "127.0.0.1:8053")
}
runtime.GOMAXPROCS(a)
}
func TestDotAsCatchAllWildcard(t *testing.T) {
mux := NewServeMux()
mux.Handle(".", HandlerFunc(HelloServer))
mux.Handle("example.com.", HandlerFunc(AnotherHelloServer))
handler := mux.match("www.miek.nl.", TypeTXT)
if handler == nil {
t.Error("wildcard match failed")
}
handler = mux.match("www.example.com.", TypeTXT)
if handler == nil {
t.Error("example.com match failed")
}
handler = mux.match("a.www.example.com.", TypeTXT)
if handler == nil {
t.Error("a.www.example.com match failed")
}
handler = mux.match("boe.", TypeTXT)
if handler == nil {
t.Error("boe. match failed")
}
}
func TestRootServer(t *testing.T) {
mux := NewServeMux()
mux.Handle(".", HandlerFunc(HelloServer))
handler := mux.match(".", TypeNS)
if handler == nil {
t.Error("root match failed")
}
}
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