node/test/internet/test-dns-getDefaultResultOrder.js
Paolo Insogna 7e89369166
dns: add order option and support ipv6first
PR-URL: https://github.com/nodejs/node/pull/52492
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com>
2024-04-17 15:24:28 +00:00

44 lines
1.3 KiB
JavaScript

'use strict';
const common = require('../common');
const assert = require('assert');
const dns = require('dns');
dns.setDefaultResultOrder('ipv4first');
let dnsOrder = dns.getDefaultResultOrder();
assert.ok(dnsOrder === 'ipv4first');
dns.setDefaultResultOrder('ipv6first');
dnsOrder = dns.getDefaultResultOrder();
assert.ok(dnsOrder === 'ipv6first');
dns.setDefaultResultOrder('verbatim');
dnsOrder = dns.getDefaultResultOrder();
assert.ok(dnsOrder === 'verbatim');
{
(async function() {
const result = await dns.promises.lookup('localhost');
const result1 = await dns.promises.lookup('localhost', { order: 'verbatim' });
assert.ok(result !== undefined);
assert.ok(result1 !== undefined);
assert.ok(result.address === result1.address);
assert.ok(result.family === result1.family);
})().then(common.mustCall());
}
{
(async function() {
const result = await dns.promises.lookup('localhost', { order: 'ipv4first' });
assert.ok(result !== undefined);
assert.ok(result.family === 4);
})().then(common.mustCall());
}
if (common.hasIPv6) {
(async function() {
const result = await dns.promises.lookup('localhost', { order: 'ipv6first' });
assert.ok(result !== undefined);
assert.ok(result.family === 6);
})().then(common.mustCall());
}