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package transfer
import (
"context"
"fmt"
"testing"
"github.com/coredns/coredns/plugin/pkg/dnstest"
"github.com/coredns/coredns/plugin/test"
"github.com/miekg/dns"
)
type (
t1 struct{}
t2 struct{}
)
func (t t1) Transfer(zone string, serial uint32) (<-chan []dns.RR, error) {
const z = "example.org."
if zone != z {
return nil, ErrNotAuthoritative
}
return nil, fmt.Errorf(z)
}
func (t t2) Transfer(zone string, serial uint32) (<-chan []dns.RR, error) {
const z = "sub.example.org."
if zone != z {
return nil, ErrNotAuthoritative
}
return nil, fmt.Errorf(z)
}
func TestZoneSelection(t *testing.T) {
tr := &Transfer{
Transferers: []Transferer{t1{}, t2{}},
xfrs: []*xfr{
{
Zones: []string{"example.org."},
to: []string{"192.0.2.1"}, // RFC 5737 IP, no interface should have this address.
},
{
Zones: []string{"sub.example.org."},
to: []string{"*"},
},
},
}
r := new(dns.Msg)
r.SetAxfr("sub.example.org.")
w := dnstest.NewRecorder(&test.ResponseWriter{TCP: true})
_, err := tr.ServeDNS(context.TODO(), w, r)
if err == nil {
t.Fatal("Expected error, got nil")
}
if x := err.Error(); x != "sub.example.org." {
t.Errorf("Expected transfer for zone %s, got %s", "sub.example.org", x)
}
}
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