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package test
import (
"io/ioutil"
"log"
"testing"
"github.com/coredns/coredns/middleware/proxy"
"github.com/coredns/coredns/middleware/test"
"github.com/coredns/coredns/request"
"github.com/miekg/dns"
)
func TestZoneExternalCNAMELookupWithoutProxy(t *testing.T) {
t.Parallel()
log.SetOutput(ioutil.Discard)
name, rm, err := TempFile(".", exampleOrg)
if err != nil {
t.Fatalf("Failed to create zone: %s", err)
}
defer rm()
// Corefile with for example without proxy section.
corefile := `example.org:0 {
file ` + name + `
}
`
i, udp, _, err := CoreDNSServerAndPorts(corefile)
if err != nil {
t.Fatalf("Could not get CoreDNS serving instance: %s", err)
}
defer i.Stop()
p := proxy.NewLookup([]string{udp})
state := request.Request{W: &test.ResponseWriter{}, Req: new(dns.Msg)}
resp, err := p.Lookup(state, "cname.example.org.", dns.TypeA)
if err != nil {
t.Fatalf("Expected to receive reply, but didn't: %s", err)
}
// There should only be a CNAME in the answer section.
if len(resp.Answer) != 1 {
t.Fatalf("Expected 1 RR in answer section got %d", len(resp.Answer))
}
}
func TestZoneExternalCNAMELookupWithProxy(t *testing.T) {
t.Parallel()
log.SetOutput(ioutil.Discard)
name, rm, err := TempFile(".", exampleOrg)
if err != nil {
t.Fatalf("Failed to create zone: %s", err)
}
defer rm()
// Corefile with for example without proxy section.
corefile := `example.org:0 {
file ` + name + ` {
upstream 8.8.8.8
}
}
`
i, udp, _, err := CoreDNSServerAndPorts(corefile)
if err != nil {
t.Fatalf("Could not get CoreDNS serving instance: %s", err)
}
defer i.Stop()
p := proxy.NewLookup([]string{udp})
state := request.Request{W: &test.ResponseWriter{}, Req: new(dns.Msg)}
resp, err := p.Lookup(state, "cname.example.org.", dns.TypeA)
if err != nil {
t.Fatalf("Expected to receive reply, but didn't: %s", err)
}
// There should be a CNAME *and* an IP address in the answer section.
// For now, just check that we have 2 RRs
if len(resp.Answer) != 2 {
t.Fatalf("Expected 2 RRs in answer section got %d", len(resp.Answer))
}
}
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