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// Copyright (C) 2015 Nippon Telegraph and Telephone Corporation.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
// implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package rtr
import (
"encoding/hex"
"math/rand"
"net"
"reflect"
"testing"
"time"
)
func verifyRTRMessage(t *testing.T, m1 RTRMessage) {
buf1, _ := m1.Serialize()
m2, err := ParseRTR(buf1)
if err != nil {
t.Error(err)
}
buf2, _ := m2.Serialize()
if reflect.DeepEqual(buf1, buf2) == true {
t.Log("OK")
} else {
t.Errorf("Something wrong")
t.Error(len(buf1), m1, hex.EncodeToString(buf1))
t.Error(len(buf2), m2, hex.EncodeToString(buf2))
}
}
func randUint32() uint32 {
rand.Seed(time.Now().UnixNano())
return rand.Uint32()
}
func Test_RTRSerialNotify(t *testing.T) {
id := uint16(time.Now().Unix())
sn := randUint32()
verifyRTRMessage(t, NewRTRSerialNotify(id, sn))
}
func Test_RTRSerialQuery(t *testing.T) {
id := uint16(time.Now().Unix())
sn := randUint32()
verifyRTRMessage(t, NewRTRSerialQuery(id, sn))
}
func Test_RTRResetQuery(t *testing.T) {
verifyRTRMessage(t, NewRTRResetQuery())
}
func Test_RTRCacheResponse(t *testing.T) {
id := uint16(time.Now().Unix())
verifyRTRMessage(t, NewRTRCacheResponse(id))
}
type rtrIPPrefixTestCase struct {
pString string
pLen uint8
mLen uint8
asn uint32
flags uint8
}
var rtrIPPrefixTestCases = []rtrIPPrefixTestCase{
{"192.168.0.0", 16, 32, 65001, ANNOUNCEMENT},
{"192.168.0.0", 16, 32, 65001, WITHDRAWAL},
{"2001:db8::", 32, 128, 65001, ANNOUNCEMENT},
{"2001:db8::", 32, 128, 65001, WITHDRAWAL},
{"::ffff:0.0.0.0", 96, 128, 65001, ANNOUNCEMENT},
{"::ffff:0.0.0.0", 96, 128, 65001, WITHDRAWAL},
}
func Test_RTRIPPrefix(t *testing.T) {
for i := range rtrIPPrefixTestCases {
test := &rtrIPPrefixTestCases[i]
addr := net.ParseIP(test.pString)
verifyRTRMessage(t, NewRTRIPPrefix(addr, test.pLen, test.mLen, test.asn, test.flags))
}
}
func Test_RTREndOfData(t *testing.T) {
id := uint16(time.Now().Unix())
sn := randUint32()
verifyRTRMessage(t, NewRTREndOfData(id, sn))
}
func Test_RTRCacheReset(t *testing.T) {
verifyRTRMessage(t, NewRTRCacheReset())
}
func Test_RTRErrorReport(t *testing.T) {
errPDU, _ := NewRTRResetQuery().Serialize()
errText1 := []byte("Couldn't send CacheResponce PDU")
errText2 := []byte("Wrong Length of PDU: 10 bytes")
// See 5.10 ErrorReport in RFC6810
// when it doesn't have both "erroneous PDU" and "Arbitrary Text"
verifyRTRMessage(t, NewRTRErrorReport(NO_DATA_AVAILABLE, nil, nil))
// when it has "erroneous PDU"
verifyRTRMessage(t, NewRTRErrorReport(UNSUPPORTED_PROTOCOL_VERSION, errPDU, nil))
// when it has "ArbitaryText"
verifyRTRMessage(t, NewRTRErrorReport(INTERNAL_ERROR, nil, errText1))
// when it has both "erroneous PDU" and "Arbitrary Text"
verifyRTRMessage(t, NewRTRErrorReport(CORRUPT_DATA, errPDU, errText2))
}
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