mirror of
https://github.com/coredns/coredns.git
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6966bce653
This fixes a crash when we resolve (or try to) an external CNAME when no proxy is set. Add test as well.
88 lines
2.0 KiB
Go
88 lines
2.0 KiB
Go
package test
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import (
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"io/ioutil"
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"log"
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"sort"
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"testing"
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"github.com/coredns/coredns/middleware/proxy"
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mtest "github.com/coredns/coredns/middleware/test"
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"github.com/coredns/coredns/request"
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"github.com/miekg/dns"
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)
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// Using miek.nl here because this is the easiest zone to get access to and it's masters
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// run both NSD and BIND9, making checks like "what should we actually return" super easy.
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var dsTestCases = []mtest.Case{
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{
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Qname: "_udp.miek.nl.", Qtype: dns.TypeDS,
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Rcode: dns.RcodeNameError,
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Ns: []dns.RR{
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mtest.SOA("miek.nl. 1800 IN SOA linode.atoom.net. miek.miek.nl. 1282630057 14400 3600 604800 14400"),
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},
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},
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{
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Qname: "miek.nl.", Qtype: dns.TypeDS,
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Ns: []dns.RR{
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mtest.SOA("miek.nl. 1800 IN SOA linode.atoom.net. miek.miek.nl. 1282630057 14400 3600 604800 14400"),
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},
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},
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}
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func TestLookupDS(t *testing.T) {
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t.Parallel()
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name, rm, err := TempFile(".", miekNL)
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if err != nil {
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t.Fatalf("failed to create zone: %s", err)
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}
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defer rm()
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corefile := `miek.nl:0 {
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file ` + name + `
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}
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`
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i, err := CoreDNSServer(corefile)
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if err != nil {
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t.Fatalf("Could not get CoreDNS serving instance: %s", err)
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}
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udp, _ := CoreDNSServerPorts(i, 0)
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if udp == "" {
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t.Fatalf("Could not get UDP listening port")
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}
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defer i.Stop()
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log.SetOutput(ioutil.Discard)
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p := proxy.NewLookup([]string{udp})
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state := request.Request{W: &mtest.ResponseWriter{}, Req: new(dns.Msg)}
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for _, tc := range dsTestCases {
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resp, err := p.Lookup(state, tc.Qname, tc.Qtype)
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if err != nil || resp == nil {
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t.Fatalf("Expected to receive reply, but didn't for %s %d", tc.Qname, tc.Qtype)
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}
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sort.Sort(mtest.RRSet(resp.Answer))
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sort.Sort(mtest.RRSet(resp.Ns))
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sort.Sort(mtest.RRSet(resp.Extra))
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if !mtest.Header(t, tc, resp) {
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t.Logf("%v\n", resp)
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continue
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}
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if !mtest.Section(t, tc, mtest.Answer, resp.Answer) {
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t.Logf("%v\n", resp)
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}
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if !mtest.Section(t, tc, mtest.Ns, resp.Ns) {
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t.Logf("%v\n", resp)
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}
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if !mtest.Section(t, tc, mtest.Extra, resp.Extra) {
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t.Logf("%v\n", resp)
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}
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}
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}
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