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'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);
});