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|
package cache
import (
"io/ioutil"
"log"
"testing"
"time"
"github.com/miekg/coredns/middleware"
"github.com/miekg/coredns/middleware/pkg/response"
"github.com/miekg/coredns/middleware/test"
lru "github.com/hashicorp/golang-lru"
"github.com/miekg/dns"
)
type cacheTestCase struct {
test.Case
in test.Case
AuthenticatedData bool
Authoritative bool
RecursionAvailable bool
Truncated bool
}
var cacheTestCases = []cacheTestCase{
{
RecursionAvailable: true, AuthenticatedData: true, Authoritative: true,
Case: test.Case{
Qname: "miek.nl.", Qtype: dns.TypeMX,
Answer: []dns.RR{
test.MX("miek.nl. 3600 IN MX 1 aspmx.l.google.com."),
test.MX("miek.nl. 3600 IN MX 10 aspmx2.googlemail.com."),
},
},
in: test.Case{
Qname: "miek.nl.", Qtype: dns.TypeMX,
Answer: []dns.RR{
test.MX("miek.nl. 3601 IN MX 1 aspmx.l.google.com."),
test.MX("miek.nl. 3601 IN MX 10 aspmx2.googlemail.com."),
},
},
},
{
RecursionAvailable: true, AuthenticatedData: true, Authoritative: true,
Case: test.Case{
Qname: "mIEK.nL.", Qtype: dns.TypeMX,
Answer: []dns.RR{
test.MX("mIEK.nL. 3600 IN MX 1 aspmx.l.google.com."),
test.MX("mIEK.nL. 3600 IN MX 10 aspmx2.googlemail.com."),
},
},
in: test.Case{
Qname: "mIEK.nL.", Qtype: dns.TypeMX,
Answer: []dns.RR{
test.MX("mIEK.nL. 3601 IN MX 1 aspmx.l.google.com."),
test.MX("mIEK.nL. 3601 IN MX 10 aspmx2.googlemail.com."),
},
},
},
{
Truncated: true,
Case: test.Case{
Qname: "miek.nl.", Qtype: dns.TypeMX,
Answer: []dns.RR{test.MX("miek.nl. 1800 IN MX 1 aspmx.l.google.com.")},
},
in: test.Case{},
},
{
RecursionAvailable: true, Authoritative: true,
Case: test.Case{
Rcode: dns.RcodeNameError,
Qname: "example.org.", Qtype: dns.TypeA,
Ns: []dns.RR{
test.SOA("example.org. 3600 IN SOA sns.dns.icann.org. noc.dns.icann.org. 2016082540 7200 3600 1209600 3600"),
},
},
in: test.Case{
Rcode: dns.RcodeNameError,
Qname: "example.org.", Qtype: dns.TypeA,
Ns: []dns.RR{
test.SOA("example.org. 3600 IN SOA sns.dns.icann.org. noc.dns.icann.org. 2016082540 7200 3600 1209600 3600"),
},
},
},
}
func cacheMsg(m *dns.Msg, tc cacheTestCase) *dns.Msg {
m.RecursionAvailable = tc.RecursionAvailable
m.AuthenticatedData = tc.AuthenticatedData
m.Authoritative = tc.Authoritative
m.Rcode = tc.Rcode
m.Truncated = tc.Truncated
m.Answer = tc.in.Answer
m.Ns = tc.in.Ns
// m.Extra = tc.in.Extra , not the OPT record!
return m
}
func newTestCache(ttl time.Duration) (*Cache, *ResponseWriter) {
c := &Cache{Zones: []string{"."}, pcap: defaultCap, ncap: defaultCap, pttl: ttl, nttl: ttl}
c.pcache, _ = lru.New(c.pcap)
c.ncache, _ = lru.New(c.ncap)
crr := &ResponseWriter{nil, c}
return c, crr
}
func TestCache(t *testing.T) {
c, crr := newTestCache(maxTTL)
log.SetOutput(ioutil.Discard)
for _, tc := range cacheTestCases {
m := tc.in.Msg()
m = cacheMsg(m, tc)
do := tc.in.Do
mt, _ := response.Typify(m)
k := key(m, mt, do)
crr.set(m, k, mt, c.pttl)
name := middleware.Name(m.Question[0].Name).Normalize()
qtype := m.Question[0].Qtype
i, ok, _ := c.get(name, qtype, do)
if ok && m.Truncated {
t.Errorf("Truncated message should not have been cached")
continue
}
if ok {
resp := i.toMsg(m)
if !test.Header(t, tc.Case, resp) {
t.Logf("%v\n", resp)
continue
}
if !test.Section(t, tc.Case, test.Answer, resp.Answer) {
t.Logf("%v\n", resp)
}
if !test.Section(t, tc.Case, test.Ns, resp.Ns) {
t.Logf("%v\n", resp)
}
if !test.Section(t, tc.Case, test.Extra, resp.Extra) {
t.Logf("%v\n", resp)
}
}
}
}
|
