coredns/middleware/etcd/stub_test.go
Miek Gieben 27ff83e70f Stub forward/proxy tests ()
Test the handling of EDNS0 payloads and forwarding to stubzones
servers.
2016-04-12 21:30:08 +01:00

90 lines
2.6 KiB
Go

// +build etcd
package etcd
import (
"sort"
"testing"
"github.com/miekg/coredns/middleware"
"github.com/miekg/coredns/middleware/etcd/msg"
"github.com/miekg/coredns/middleware/test"
"github.com/miekg/dns"
)
func TestStubLookup(t *testing.T) {
for _, serv := range servicesStub {
set(t, etc, serv.Key, 0, serv)
defer delete(t, etc, serv.Key)
}
etc.updateStubZones()
for _, tc := range dnsTestCasesStub {
m := tc.Msg()
rec := middleware.NewResponseRecorder(&test.ResponseWriter{})
_, err := etc.ServeDNS(ctx, rec, m)
if err != nil {
if tc.Rcode != dns.RcodeServerFailure {
t.Errorf("expected no error, got %v\n", err)
}
// This is OK, we expect this backend to *not* work.
continue
}
resp := rec.Msg()
sort.Sort(test.RRSet(resp.Answer))
sort.Sort(test.RRSet(resp.Ns))
sort.Sort(test.RRSet(resp.Extra))
if !test.Header(t, tc, resp) {
t.Logf("%v\n", resp)
continue
}
if !test.Section(t, tc, test.Answer, resp.Answer) {
t.Logf("%v\n", resp)
}
if !test.Section(t, tc, test.Ns, resp.Ns) {
t.Logf("%v\n", resp)
}
if !test.Section(t, tc, test.Extra, resp.Extra) {
t.Logf("%v\n", resp)
}
}
}
var servicesStub = []*msg.Service{
// Two tests, ask a question that should return servfail because remote it no accessible
// and one with edns0 option added, that should return refused.
{Host: "127.0.0.1", Port: 666, Key: "b.example.org.stub.dns.skydns.test."},
// Actual test that goes out to the internet.
{Host: "199.43.132.53", Key: "a.example.net.stub.dns.skydns.test."},
}
var dnsTestCasesStub = []test.Case{
{
Qname: "example.org.", Qtype: dns.TypeA, Rcode: dns.RcodeServerFailure,
},
{
Qname: "example.net.", Qtype: dns.TypeA,
Answer: []dns.RR{test.A("example.net. 86400 IN A 93.184.216.34")},
Ns: []dns.RR{
test.NS("example.net. 86400 IN NS a.iana-servers.net."),
test.NS("example.net. 86400 IN NS b.iana-servers.net."),
},
Extra: []dns.RR{test.OPT(4096, false)}, // This will have an EDNS0 section, because *we* added our local stub forward to detect loops.
},
{
Qname: "example.net.", Qtype: dns.TypeA, Do: true,
Answer: []dns.RR{
test.A("example.net. 86400 IN A 93.184.216.34"),
test.RRSIG("example.net. 86400 IN RRSIG A 8 2 86400 20160428060557 20160406182909 40948 example.net. Vm+rH5KN"),
},
Ns: []dns.RR{
test.NS("example.net. 86400 IN NS a.iana-servers.net."),
test.NS("example.net. 86400 IN NS b.iana-servers.net."),
test.RRSIG("example.net. 86400 IN RRSIG NS 8 2 86400 20160428110538 20160407002909 40948 example.net. z74YR2"),
},
Extra: []dns.RR{test.OPT(4096, true)},
},
}