'use strict';
const { mustCall } = require('../common');const assert = require('assert');const dns = require('dns');const { addresses } = require('../common/internet');
const fixture = { hostname: 'straße.de', expectedAddress: '81.169.145.78', dnsServer: addresses.DNS4_SERVER, family: 4,};
dns.setServers([fixture.dnsServer]);
dns.lookup( fixture.hostname, { family: fixture.family }, mustCall((err, address) => { if (err && err.errno === 'ESERVFAIL') { assert.ok(err.message.includes('queryA ESERVFAIL straße.de')); return; } assert.ifError(err); assert.strictEqual(address, fixture.expectedAddress); }));
dns.promises.lookup(fixture.hostname, { family: fixture.family }) .then(({ address }) => { assert.strictEqual(address, fixture.expectedAddress); }, (err) => { if (err && err.errno === 'ESERVFAIL') { assert.ok(err.message.includes('queryA ESERVFAIL straße.de')); } else { throw err; } }).finally(mustCall());
dns.resolve4(fixture.hostname, mustCall((err, addresses) => { if (err && err.errno === 'ESERVFAIL') { assert.ok(err.message.includes('queryA ESERVFAIL straße.de')); return; } assert.ifError(err); assert.deepStrictEqual(addresses, [fixture.expectedAddress]);}));
const p = new dns.promises.Resolver().resolve4(fixture.hostname);p.then((addresses) => { assert.deepStrictEqual(addresses, [fixture.expectedAddress]);}, (err) => { if (err && err.errno === 'ESERVFAIL') { assert.ok(err.message.includes('queryA ESERVFAIL straße.de')); } else { throw err; }}).finally(mustCall());