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package kubernetes
import (
"context"
"testing"
"github.com/coredns/coredns/plugin/pkg/dnstest"
"github.com/coredns/coredns/plugin/test"
"github.com/miekg/dns"
)
var dnsPreserveCaseCases = []test.Case{
// Negative response
{
Qname: "not-a-service.testns.svc.ClUsTeR.lOcAl.", Qtype: dns.TypeA,
Rcode: dns.RcodeNameError,
Ns: []dns.RR{
test.SOA("ClUsTeR.lOcAl. 5 IN SOA ns.dns.ClUsTeR.lOcAl. hostmaster.ClUsTeR.lOcAl. 1499347823 7200 1800 86400 5"),
},
},
// A Service
{
Qname: "SvC1.TeStNs.SvC.cLuStEr.LoCaL.", Qtype: dns.TypeA,
Rcode: dns.RcodeSuccess,
Answer: []dns.RR{
test.A("SvC1.TeStNs.SvC.cLuStEr.LoCaL. 5 IN A 10.0.0.1"),
},
},
// SRV Service
{
Qname: "_HtTp._TcP.sVc1.TeStNs.SvC.cLuStEr.LoCaL.", Qtype: dns.TypeSRV,
Rcode: dns.RcodeSuccess,
Answer: []dns.RR{
test.SRV("_HtTp._TcP.sVc1.TeStNs.SvC.cLuStEr.LoCaL. 5 IN SRV 0 100 80 svc1.testns.svc.cLuStEr.LoCaL."),
},
Extra: []dns.RR{
test.A("svc1.testns.svc.cLuStEr.LoCaL. 5 IN A 10.0.0.1"),
},
},
{
Qname: "Cluster.local.", Qtype: dns.TypeSOA,
Rcode: dns.RcodeSuccess,
Answer: []dns.RR{
test.SOA("Cluster.local. 5 IN SOA ns.dns.Cluster.local. hostmaster.Cluster.local. 1499347823 7200 1800 86400 5"),
},
},
}
func TestPreserveCase(t *testing.T) {
k := New([]string{"cluster.local."})
k.APIConn = &APIConnServeTest{}
k.opts.ignoreEmptyService = true
k.Next = test.NextHandler(dns.RcodeSuccess, nil)
ctx := context.TODO()
for i, tc := range dnsPreserveCaseCases {
r := tc.Msg()
w := dnstest.NewRecorder(&test.ResponseWriter{})
_, err := k.ServeDNS(ctx, w, r)
if err != tc.Error {
t.Errorf("Test %d expected no error, got %v", i, err)
return
}
if tc.Error != nil {
continue
}
resp := w.Msg
if resp == nil {
t.Fatalf("Test %d, got nil message and no error for %q", i, r.Question[0].Name)
}
if err := test.SortAndCheck(resp, tc); err != nil {
t.Error(err)
}
}
}
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