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plugin/cache: add minttl test (#1141)

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See https://github.com/kubernetes/kubernetes/pull/53604, explicitaly add
test to make sure we do the right thing.
This commit is contained in:
Miek Gieben
2017-10-10 18:30:14 +02:00
committed by GitHub
parent 427aed6f5b
commit 7a64d1bbc3
2 changed files with 42 additions and 2 deletions
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42
plugin/cache/minttl_test.go vendored Normal file
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@@ -0,0 +1,42 @@
package cache
import (
"testing"
"time"
"github.com/coredns/coredns/plugin/pkg/response"
"github.com/coredns/coredns/plugin/test"
"github.com/miekg/dns"
)
// See https://github.com/kubernetes/dns/issues/121, add some specific tests for those use cases.
func TestMinMsgTTL(t *testing.T) {
m := new(dns.Msg)
m.SetQuestion("z.alm.im.", dns.TypeA)
m.Ns = []dns.RR{
test.SOA("alm.im. 1800 IN SOA ivan.ns.cloudflare.com. dns.cloudflare.com. 2025042470 10000 2400 604800 3600"),
}
utc := time.Now().UTC()
mt, _ := response.Typify(m, utc)
if mt != response.NoData {
t.Fatalf("Expected type to be response.NoData, got %s", mt)
}
dur := minMsgTTL(m, mt) // minTTL on msg is 3600 (neg. ttl on SOA)
if dur != time.Duration(3600*time.Second) {
t.Fatalf("Expected minttl duration to be %d, got %d", 3600, dur)
}
m.Rcode = dns.RcodeNameError
mt, _ = response.Typify(m, utc)
if mt != response.NameError {
t.Fatalf("Expected type to be response.NameError, got %s", mt)
}
dur = minMsgTTL(m, mt) // minTTL on msg is 3600 (neg. ttl on SOA)
if dur != time.Duration(3600*time.Second) {
t.Fatalf("Expected minttl duration to be %d, got %d", 3600, dur)
}
}