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package file
import (
"context"
"strings"
"testing"
"github.com/coredns/coredns/plugin/pkg/dnstest"
"github.com/coredns/coredns/plugin/test"
"github.com/miekg/dns"
)
const exampleApexOnly = `$ORIGIN example.com.
@ IN SOA ns1.example.com. admin.example.com. (
2005011437 ; Serial
1200 ; Refresh
144 ; Retry
1814400 ; Expire
2h ) ; Minimum
@ IN NS ns1.example.com.
`
func TestLookupApex(t *testing.T) {
// this tests a zone with *only* an apex. The behavior here is wrong, we should return NODATA, but we do a NXDOMAIN.
// Adding this test to document this. Note a zone that doesn't have any data is pretty useless anyway, so rather than
// fix this with an entirely new branch in lookup.go, just live with it.
zone, err := Parse(strings.NewReader(exampleApexOnly), "example.com.", "stdin", 0)
if err != nil {
t.Fatalf("Expected no error when reading zone, got %q", err)
}
fm := File{Next: test.ErrorHandler(), Zones: Zones{Z: map[string]*Zone{"example.com.": zone}, Names: []string{"example.com."}}}
ctx := context.TODO()
m := new(dns.Msg)
m.SetQuestion("example.com.", dns.TypeA)
rec := dnstest.NewRecorder(&test.ResponseWriter{})
if _, err := fm.ServeDNS(ctx, rec, m); err != nil {
t.Errorf("Expected no error, got %v", err)
}
if rec.Msg.Rcode != dns.RcodeNameError { // Should be RcodeSuccess in a perfect world.
t.Errorf("Expected rcode %d, got %d", dns.RcodeNameError, rec.Msg.Rcode)
}
}
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