package hosts
import (
"context"
"strings"
"testing"
"github.com/coredns/coredns/plugin/pkg/dnstest"
"github.com/coredns/coredns/plugin/pkg/fall"
"github.com/coredns/coredns/plugin/test"
"github.com/miekg/dns"
)
func TestLookupA(t *testing.T) {
for _, tc := range hostsTestCases {
m := tc.Msg()
var tcFall fall.F
isFall := tc.Qname == "fallthrough-example.org."
if isFall {
tcFall = fall.Root
} else {
tcFall = fall.Zero
}
h := Hosts{
Next: test.NextHandler(dns.RcodeNameError, nil),
Hostsfile: &Hostsfile{
Origins: []string{"."},
hmap: newMap(),
inline: newMap(),
options: newOptions(),
},
Fall: tcFall,
}
h.hmap = h.parse(strings.NewReader(hostsExample))
rec := dnstest.NewRecorder(&test.ResponseWriter{})
rcode, err := h.ServeDNS(context.Background(), rec, m)
if err != nil {
t.Errorf("Expected no error, got %v", err)
return
}
if isFall && tc.Rcode != rcode {
t.Errorf("Expected rcode is %d, but got %d", tc.Rcode, rcode)
return
}
if resp := rec.Msg; rec.Msg != nil {
if err := test.SortAndCheck(resp, tc); err != nil {
t.Error(err)
}
}
}
}
var hostsTestCases = []test.Case{
{
Qname: "example.org.", Qtype: dns.TypeA,
Answer: []dns.RR{
test.A("example.org. 3600 IN A 10.0.0.1"),
},
},
{
Qname: "example.com.", Qtype: dns.TypeA,
Answer: []dns.RR{
test.A("example.com. 3600 IN A 10.0.0.2"),
},
},
{
Qname: "localhost.", Qtype: dns.TypeAAAA,
Answer: []dns.RR{
test.AAAA("localhost. 3600 IN AAAA ::1"),
},
},
{
Qname: "1.0.0.10.in-addr.arpa.", Qtype: dns.TypePTR,
Answer: []dns.RR{
test.PTR("1.0.0.10.in-addr.arpa. 3600 PTR example.org."),
},
},
{
Qname: "2.0.0.10.in-addr.arpa.", Qtype: dns.TypePTR,
Answer: []dns.RR{
test.PTR("2.0.0.10.in-addr.arpa. 3600 PTR example.com."),
},
},
{
Qname: "1.0.0.127.in-addr.arpa.", Qtype: dns.TypePTR,
Answer: []dns.RR{
test.PTR("1.0.0.127.in-addr.arpa. 3600 PTR localhost."),
test.PTR("1.0.0.127.in-addr.arpa. 3600 PTR localhost.domain."),
},
},
{
Qname: "example.org.", Qtype: dns.TypeAAAA,
Answer: []dns.RR{},
},
{
Qname: "example.org.", Qtype: dns.TypeMX,
Answer: []dns.RR{},
},
{
Qname: "fallthrough-example.org.", Qtype: dns.TypeAAAA,
Answer: []dns.RR{}, Rcode: dns.RcodeSuccess,
},
}
const hostsExample = `
127.0.0.1 localhost localhost.domain
::1 localhost localhost.domain
10.0.0.1 example.org
::FFFF:10.0.0.2 example.com
10.0.0.3 fallthrough-example.org
reload 5s
timeout 3600
`
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