coredns/middleware/etcd/group_test.go

112 lines
2.9 KiB
Go

// +build etcd
package etcd
// etcd needs to be running on http://127.0.0.1:2379
// *and* needs connectivity to the internet for remotely resolving
// names.
import (
"sort"
"testing"
"github.com/miekg/coredns/middleware"
"github.com/miekg/coredns/middleware/etcd/msg"
"github.com/miekg/dns"
)
func TestGroupLookup(t *testing.T) {
for _, serv := range servicesGroup {
set(t, etc, serv.Key, 0, serv)
defer delete(t, etc, serv.Key)
}
for _, tc := range dnsTestCasesGroup {
m := new(dns.Msg)
m.SetQuestion(dns.Fqdn(tc.Qname), tc.Qtype)
rec := middleware.NewResponseRecorder(&middleware.TestResponseWriter{})
_, err := etc.ServeDNS(ctx, rec, m)
if err != nil {
t.Errorf("expected no error, got %v\n", err)
return
}
resp := rec.Msg()
sort.Sort(rrSet(resp.Answer))
sort.Sort(rrSet(resp.Ns))
sort.Sort(rrSet(resp.Extra))
if resp.Rcode != tc.Rcode {
t.Errorf("rcode is %q, expected %q", dns.RcodeToString[resp.Rcode], dns.RcodeToString[tc.Rcode])
t.Logf("%v\n", resp)
continue
}
if len(resp.Answer) != len(tc.Answer) {
t.Errorf("answer for %q contained %d results, %d expected", tc.Qname, len(resp.Answer), len(tc.Answer))
t.Logf("%v\n", resp)
continue
}
if len(resp.Ns) != len(tc.Ns) {
t.Errorf("authority for %q contained %d results, %d expected", tc.Qname, len(resp.Ns), len(tc.Ns))
t.Logf("%v\n", resp)
continue
}
if len(resp.Extra) != len(tc.Extra) {
t.Errorf("additional for %q contained %d results, %d expected", tc.Qname, len(resp.Extra), len(tc.Extra))
t.Logf("%v\n", resp)
continue
}
if !checkSection(t, tc, Answer, resp.Answer) {
t.Logf("%v\n", resp)
}
if !checkSection(t, tc, Ns, resp.Ns) {
t.Logf("%v\n", resp)
}
if !checkSection(t, tc, Extra, resp.Extra) {
t.Logf("%v\n", resp)
}
}
}
// Note the key is encoded as DNS name, while in "reality" it is a etcd path.
var servicesGroup = []*msg.Service{
{Host: "127.0.0.1", Key: "a.dom.skydns.test.", Group: "g1"},
{Host: "127.0.0.2", Key: "b.sub.dom.skydns.test.", Group: "g1"},
{Host: "127.0.0.1", Key: "a.dom2.skydns.test.", Group: "g1"},
{Host: "127.0.0.2", Key: "b.sub.dom2.skydns.test.", Group: ""},
{Host: "127.0.0.1", Key: "a.dom1.skydns.test.", Group: "g1"},
{Host: "127.0.0.2", Key: "b.sub.dom1.skydns.test.", Group: "g2"},
}
var dnsTestCasesGroup = []dnsTestCase{
// Groups
{
// hits the group 'g1' and only includes those records
Qname: "dom.skydns.test.", Qtype: dns.TypeA,
Answer: []dns.RR{
newA("dom.skydns.test. 300 IN A 127.0.0.1"),
newA("dom.skydns.test. 300 IN A 127.0.0.2"),
},
},
{
// One has group, the other has not... Include the non-group always.
Qname: "dom2.skydns.test.", Qtype: dns.TypeA,
Answer: []dns.RR{
newA("dom2.skydns.test. 300 IN A 127.0.0.1"),
newA("dom2.skydns.test. 300 IN A 127.0.0.2"),
},
},
{
// The groups differ.
Qname: "dom1.skydns.test.", Qtype: dns.TypeA,
Answer: []dns.RR{
newA("dom1.skydns.test. 300 IN A 127.0.0.1"),
},
},
}