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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)
}
}
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