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package dnsserver
import "testing"
func TestNormalizeZone(t *testing.T) {
for i, test := range []struct {
input string
expected string
shouldErr bool
}{
{".", "dns://.:53", false},
{".:54", "dns://.:54", false},
{"..", "://:", true},
{".:", "://:", true},
{"dns://.", "dns://.:53", false},
{"dns://.:5353", "dns://.:5353", false},
{"dns://..", "://:", true},
{"dns://.:", "://:", true},
{"tls://.", "tls://.:853", false},
{"tls://.:8953", "tls://.:8953", false},
{"tls://..", "://:", true},
{"tls://.:", "://:", true},
{"grpc://.", "grpc://.:443", false},
{"grpc://.:8443", "grpc://.:8443", false},
{"grpc://..", "://:", true},
{"grpc://.:", "://:", true},
{"https://.", "https://.:443", false},
{"https://.:8443", "https://.:8443", false},
{"https://..", "://:", true},
{"https://.:", "://:", true},
} {
addr, err := normalizeZone(test.input)
actual := addr.String()
if test.shouldErr && err == nil {
t.Errorf("Test %d: Expected error, but there wasn't any", i)
}
if !test.shouldErr && err != nil {
t.Errorf("Test %d: Expected no error, but there was one: %v", i, err)
}
if actual != test.expected {
t.Errorf("Test %d: Expected %s but got %s", i, test.expected, actual)
}
}
}
func TestNormalizeZoneReverse(t *testing.T) {
for i, test := range []struct {
input string
expected string
shouldErr bool
}{
{"2003::1/64", "dns://0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.2.ip6.arpa.:53", false},
{"2003::1/64.", "dns://2003::1/64.:53", false}, // OK, with closing dot the parse will fail.
{"2003::1/64:53", "dns://0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.2.ip6.arpa.:53", false},
{"2003::1/64.:53", "dns://2003::1/64.:53", false},
{"10.0.0.0/24", "dns://0.0.10.in-addr.arpa.:53", false},
{"10.0.0.0/24.", "dns://10.0.0.0/24.:53", false},
{"10.0.0.0/24:53", "dns://0.0.10.in-addr.arpa.:53", false},
{"10.0.0.0/24.:53", "dns://10.0.0.0/24.:53", false},
// non %8==0 netmasks
{"2003::53/67", "dns://0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.2.ip6.arpa.:53", false},
{"10.0.0.0/25.", "dns://10.0.0.0/25.:53", false}, // has dot
{"10.0.0.0/25", "dns://0.0.10.in-addr.arpa.:53", false},
{"fd00:77:30::0/110", "dns://0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.7.7.0.0.0.0.d.f.ip6.arpa.:53", false},
} {
addr, err := normalizeZone(test.input)
actual := addr.String()
if test.shouldErr && err == nil {
t.Errorf("Test %d: Expected error, but there wasn't any", i)
}
if !test.shouldErr && err != nil {
t.Errorf("Test %d: Expected no error, but there was one: %v", i, err)
}
if actual != test.expected {
t.Errorf("Test %d: Expected %s but got %s", i, test.expected, actual)
}
}
}
func TestSplitProtocolHostPort(t *testing.T) {
for i, test := range []struct {
input string
proto string
ip string
port string
shouldErr bool
}{
{"dns://:53", "dns", "", "53", false},
{"dns://127.0.0.1:4005", "dns", "127.0.0.1", "4005", false},
{"[ffe0:34ab:1]:4005", "", "ffe0:34ab:1", "4005", false},
// port part is mandatory
{"dns://", "dns", "", "", true},
{"dns://127.0.0.1", "dns", "127.0.0.1", "", true},
// cannot be empty
{"", "", "", "", true},
// invalid format with twice ://
{"dns://127.0.0.1://53", "", "", "", true},
} {
proto, ip, port, err := SplitProtocolHostPort(test.input)
if test.shouldErr && err == nil {
t.Errorf("Test %d: (address = %s) expected error, but there wasn't any", i, test.input)
continue
}
if !test.shouldErr && err != nil {
t.Errorf("Test %d: (address = %s) expected no error, but there was one: %v", i, test.input, err)
continue
}
if err == nil || test.shouldErr {
continue
}
if proto != test.proto {
t.Errorf("Test %d: (address = %s) expected protocol with value %s but got %s", i, test.input, test.proto, proto)
}
if ip != test.ip {
t.Errorf("Test %d: (address = %s) expected ip with value %s but got %s", i, test.input, test.ip, ip)
}
if port != test.port {
t.Errorf("Test %d: (address = %s) expected port with value %s but got %s", i, test.input, test.port, port)
}
}
}
type checkCall struct {
zone zoneAddr
same bool
overlap bool
overlapKey string
}
type checkTest struct {
sequence []checkCall
}
func TestOverlapAddressChecker(t *testing.T) {
for i, test := range []checkTest{
{sequence: []checkCall{
{zoneAddr{Transport: "dns", Zone: ".", Address: "", Port: "53"}, false, false, ""},
{zoneAddr{Transport: "dns", Zone: ".", Address: "", Port: "53"}, true, false, ""},
},
},
{sequence: []checkCall{
{zoneAddr{Transport: "dns", Zone: ".", Address: "", Port: "53"}, false, false, ""},
{zoneAddr{Transport: "dns", Zone: ".", Address: "", Port: "54"}, false, false, ""},
{zoneAddr{Transport: "dns", Zone: ".", Address: "127.0.0.1", Port: "53"}, false, true, "dns://.:53"},
},
},
{sequence: []checkCall{
{zoneAddr{Transport: "dns", Zone: ".", Address: "127.0.0.1", Port: "53"}, false, false, ""},
{zoneAddr{Transport: "dns", Zone: ".", Address: "", Port: "54"}, false, false, ""},
{zoneAddr{Transport: "dns", Zone: ".", Address: "127.0.0.1", Port: "53"}, true, false, ""},
},
},
{sequence: []checkCall{
{zoneAddr{Transport: "dns", Zone: ".", Address: "127.0.0.1", Port: "53"}, false, false, ""},
{zoneAddr{Transport: "dns", Zone: ".", Address: "", Port: "54"}, false, false, ""},
{zoneAddr{Transport: "dns", Zone: ".", Address: "128.0.0.1", Port: "53"}, false, false, ""},
{zoneAddr{Transport: "dns", Zone: ".", Address: "129.0.0.1", Port: "53"}, false, false, ""},
{zoneAddr{Transport: "dns", Zone: ".", Address: "", Port: "53"}, false, true, "dns://.:53 on 129.0.0.1"},
},
},
{sequence: []checkCall{
{zoneAddr{Transport: "dns", Zone: ".", Address: "127.0.0.1", Port: "53"}, false, false, ""},
{zoneAddr{Transport: "dns", Zone: "com.", Address: "127.0.0.1", Port: "53"}, false, false, ""},
{zoneAddr{Transport: "dns", Zone: "com.", Address: "", Port: "53"}, false, true, "dns://com.:53 on 127.0.0.1"},
},
},
} {
checker := newOverlapZone()
for _, call := range test.sequence {
same, overlap := checker.registerAndCheck(call.zone)
sZone := call.zone.String()
if (same != nil) != call.same {
t.Errorf("Test %d: error, for zone %s, 'same' (%v) has not the expected value (%v)", i, sZone, same != nil, call.same)
}
if same == nil {
if (overlap != nil) != call.overlap {
t.Errorf("Test %d: error, for zone %s, 'overlap' (%v) has not the expected value (%v)", i, sZone, overlap != nil, call.overlap)
}
if overlap != nil {
if overlap.String() != call.overlapKey {
t.Errorf("Test %d: error, for zone %s, 'overlap Key' (%v) has not the expected value (%v)", i, sZone, overlap.String(), call.overlapKey)
}
}
}
}
}
}
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