| 1 | var dns = require('../dns'),
|
| 2 | Packet = require('../lib/packet');
|
| 3 |
|
| 4 | exports.roundTrip = function (test) {
|
| 5 | var buff, pre, post;
|
| 6 |
|
| 7 | pre = new Packet();
|
| 8 | pre.header.id = 12345;
|
| 9 | pre.header.rcode = 1;
|
| 10 |
|
| 11 | pre.question.push(dns.Question({
|
| 12 | name: 'www.google.com',
|
| 13 | type: dns.consts.NAME_TO_QTYPE.A,
|
| 14 | }));
|
| 15 |
|
| 16 | pre.answer.push(dns.A({
|
| 17 | name: 'www.google.com',
|
| 18 | address: '127.0.0.1',
|
| 19 | ttl: 600,
|
| 20 | }));
|
| 21 |
|
| 22 | buff = new Buffer(1024);
|
| 23 |
|
| 24 | len = Packet.write(buff, pre);
|
| 25 |
|
| 26 | post = Packet.parse(buff.slice(0, len));
|
| 27 |
|
| 28 | test.deepEqual(pre, post);
|
| 29 | test.done();
|
| 30 | };
|
| 31 |
|
| 32 | exports.truncate = function (test) {
|
| 33 | var buff, pre, post, i;
|
| 34 |
|
| 35 | pre = new Packet();
|
| 36 | pre.header.id = 12345;
|
| 37 | pre.header.rcode = 1;
|
| 38 |
|
| 39 | pre.question.push(dns.Question({
|
| 40 | name: 'really.long.name.some.domain.com',
|
| 41 | type: 'A',
|
| 42 | }));
|
| 43 |
|
| 44 | for (i = 0; i < 254; i ++) {
|
| 45 | pre.answer.push(dns.A({
|
| 46 | name: i+'.'+i+'.'+i+'.really.long.name.some.domain.com',
|
| 47 | address: '127.0.0.' + i,
|
| 48 | ttl: 600,
|
| 49 | }));
|
| 50 | pre.authority.push(dns.A({
|
| 51 | name: i+'.'+i+'.'+i+'.really.long.name.some.domain.com',
|
| 52 | address: '127.0.0.' + i,
|
| 53 | ttl: 600,
|
| 54 | }));
|
| 55 | pre.additional.push(dns.A({
|
| 56 | name: i+'.'+i+'.'+i+'.really.long.name.some.domain.com',
|
| 57 | address: '127.0.0.' + i,
|
| 58 | ttl: 600,
|
| 59 | }));
|
| 60 | }
|
| 61 |
|
| 62 | buff = new Buffer(512);
|
| 63 | len = Packet.write(buff, pre);
|
| 64 | post = Packet.parse(buff.slice(0, len));
|
| 65 |
|
| 66 | test.notEqual(pre.additional.length, post.additional.length,
|
| 67 | 'Additional should be less because of truncated packet');
|
| 68 |
|
| 69 | test.done();
|
| 70 | };
|