'use strict'; const common = require('../common'); const assert = require('assert'); const dns = require('dns'); const net = require('net'); const isIPv4 = net.isIPv4; let expected = 0; let completed = 0; let running = false; const queue = []; function TEST(f) { function next() { var f = queue.shift(); if (f) { running = true; console.log(f.name); f(done); } } function done() { running = false; completed++; process.nextTick(next); } expected++; queue.push(f); if (!running) { next(); } } function checkWrap(req) { assert.ok(typeof req === 'object'); } TEST(function test_resolve4(done) { var req = dns.resolve4('www.google.com', function(err, ips) { if (err) throw err; assert.ok(ips.length > 0); for (var i = 0; i < ips.length; i++) { assert.ok(isIPv4(ips[i])); } done(); }); checkWrap(req); }); TEST(function test_reverse_ipv4(done) { var req = dns.reverse('8.8.8.8', function(err, domains) { if (err) throw err; assert.ok(domains.length > 0); for (var i = 0; i < domains.length; i++) { assert.ok(domains[i]); assert.ok(typeof domains[i] === 'string'); } done(); }); checkWrap(req); }); TEST(function test_lookup_ipv4_explicit(done) { var req = dns.lookup('www.google.com', 4, function(err, ip, family) { if (err) throw err; assert.ok(net.isIPv4(ip)); assert.strictEqual(family, 4); done(); }); checkWrap(req); }); TEST(function test_lookup_ipv4_implicit(done) { var req = dns.lookup('www.google.com', function(err, ip, family) { if (err) throw err; assert.ok(net.isIPv4(ip)); assert.strictEqual(family, 4); done(); }); checkWrap(req); }); TEST(function test_lookup_ipv4_explicit_object(done) { var req = dns.lookup('www.google.com', { family: 4 }, function(err, ip, family) { if (err) throw err; assert.ok(net.isIPv4(ip)); assert.strictEqual(family, 4); done(); }); checkWrap(req); }); TEST(function test_lookup_ipv4_hint_addrconfig(done) { var req = dns.lookup('www.google.com', { hints: dns.ADDRCONFIG }, function(err, ip, family) { if (err) throw err; assert.ok(net.isIPv4(ip)); assert.strictEqual(family, 4); done(); }); checkWrap(req); }); TEST(function test_lookup_ip_ipv4(done) { var req = dns.lookup('127.0.0.1', function(err, ip, family) { if (err) throw err; assert.strictEqual(ip, '127.0.0.1'); assert.strictEqual(family, 4); done(); }); checkWrap(req); }); TEST(function test_lookup_localhost_ipv4(done) { var req = dns.lookup('localhost', 4, function(err, ip, family) { if (err) throw err; assert.strictEqual(ip, '127.0.0.1'); assert.strictEqual(family, 4); done(); }); checkWrap(req); }); TEST(function test_lookup_all_ipv4(done) { var req = dns.lookup( 'www.google.com', {all: true, family: 4}, function(err, ips) { if (err) throw err; assert.ok(Array.isArray(ips)); assert.ok(ips.length > 0); ips.forEach(function(ip) { assert.ok(isIPv4(ip.address)); assert.strictEqual(ip.family, 4); }); done(); } ); checkWrap(req); }); TEST(function test_lookupservice_ip_ipv4(done) { var req = dns.lookupService('127.0.0.1', 80, function(err, host, service) { if (err) throw err; assert.equal(typeof host, 'string'); assert(host); /* * Retrieve the actual HTTP service name as setup on the host currently * running the test by reading it from /etc/services. This is not ideal, * as the service name lookup could use another mechanism (e.g nscd), but * it's already better than hardcoding it. */ var httpServiceName = common.getServiceName(80, 'tcp'); if (!httpServiceName) { /* * Couldn't find service name, reverting to the most sensible default * for port 80. */ httpServiceName = 'http'; } assert.strictEqual(service, httpServiceName); done(); }); checkWrap(req); }); process.on('exit', function() { console.log(completed + ' tests completed'); assert.equal(running, false); assert.strictEqual(expected, completed); });