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-rw-r--r--plugin/cache/minttl_test.go42
-rw-r--r--plugin/pkg/response/typify.go2
2 files changed, 42 insertions, 2 deletions
diff --git a/plugin/cache/minttl_test.go b/plugin/cache/minttl_test.go
new file mode 100644
index 000000000..5ce4f2341
--- /dev/null
+++ b/plugin/cache/minttl_test.go
@@ -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)
+ }
+}
diff --git a/plugin/pkg/response/typify.go b/plugin/pkg/response/typify.go
index 7cfaab497..9faa17d7b 100644
--- a/plugin/pkg/response/typify.go
+++ b/plugin/pkg/response/typify.go
@@ -99,8 +99,6 @@ func Typify(m *dns.Msg, t time.Time) (Type, *dns.OPT) {
}
}
- // Check length of different sections, and drop stuff that is just to large? TODO(miek).
-
if soa && m.Rcode == dns.RcodeSuccess {
return NoData, opt
}