dns/update_test.go
Michael Haro f995f1aff3 Convert tests from being t.Log(..) then t.Fail() to just t.Error(...) as
t.Error(...) does both and makes it more clear which messages are errors
vs information log messages.
2015-02-23 17:43:07 -08:00

85 lines
2.4 KiB
Go

package dns
import (
"bytes"
"testing"
)
func TestDynamicUpdateParsing(t *testing.T) {
prefix := "example.com. IN "
for _, typ := range TypeToString {
if typ == "CAA" || typ == "OPT" || typ == "AXFR" || typ == "IXFR" || typ == "ANY" || typ == "TKEY" ||
typ == "TSIG" || typ == "ISDN" || typ == "UNSPEC" || typ == "NULL" || typ == "ATMA" {
continue
}
r, e := NewRR(prefix + typ)
if e != nil {
t.Error("failure to parse: " + prefix + typ)
} else {
t.Logf("parsed: %s", r.String())
}
}
}
func TestDynamicUpdateUnpack(t *testing.T) {
// From https://github.com/miekg/dns/issues/150#issuecomment-62296803
// It should be an update message for the zone "example.",
// deleting the A RRset "example." and then adding an A record at "example.".
// class ANY, TYPE A
buf := []byte{171, 68, 40, 0, 0, 1, 0, 0, 0, 2, 0, 0, 7, 101, 120, 97, 109, 112, 108, 101, 0, 0, 6, 0, 1, 192, 12, 0, 1, 0, 255, 0, 0, 0, 0, 0, 0, 192, 12, 0, 1, 0, 1, 0, 0, 0, 0, 0, 4, 127, 0, 0, 1}
msg := new(Msg)
err := msg.Unpack(buf)
if err != nil {
t.Error("failed to unpack: " + err.Error() + "\n" + msg.String())
}
}
func TestDynamicUpdateZeroRdataUnpack(t *testing.T) {
m := new(Msg)
rr := &RR_Header{Name: ".", Rrtype: 0, Class: 1, Ttl: ^uint32(0), Rdlength: 0}
m.Answer = []RR{rr, rr, rr, rr, rr}
m.Ns = m.Answer
for n, s := range TypeToString {
rr.Rrtype = n
bytes, err := m.Pack()
if err != nil {
t.Errorf("failed to pack %s: %v", s, err)
continue
}
if err := new(Msg).Unpack(bytes); err != nil {
t.Errorf("failed to unpack %s: %v", s, err)
}
}
}
func TestRemoveRRset(t *testing.T) {
// Should add a zero data RR in Class ANY with a TTL of 0
// for each set mentioned in the RRs provided to it.
rr, err := NewRR(". 100 IN A 127.0.0.1")
if err != nil {
t.Fatalf("Error constructing RR: %v", err)
}
m := new(Msg)
m.Ns = []RR{&RR_Header{Name: ".", Rrtype: TypeA, Class: ClassANY, Ttl: 0, Rdlength: 0}}
expectstr := m.String()
expect, err := m.Pack()
if err != nil {
t.Fatalf("Error packing expected msg: %v", err)
}
m.Ns = nil
m.RemoveRRset([]RR{rr})
actual, err := m.Pack()
if err != nil {
t.Fatalf("Error packing actual msg: %v", err)
}
if !bytes.Equal(actual, expect) {
tmp := new(Msg)
if err := tmp.Unpack(actual); err != nil {
t.Fatalf("Error unpacking actual msg: %v", err)
}
t.Errorf("Expected msg:\n%s", expectstr)
t.Errorf("Actual msg:\n%v", tmp)
}
}