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test: split up internet dns tests
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For whatever reason, the CI win2012 machine was timing out on the
internet test-dns file. Split out ipv4 and ipv6 specific tests to
separate files so tests do not time out. (Each file is given a 60
second timeout on CI. Tests within a file are run in sequence.)

PR-URL: #2802
Fixes: #2468
Reviewed-By: Roman Reiss <me@silverwind.io>
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Trott authored and Fishrock123 committed Sep 15, 2015
1 parent 41f2dde commit 9e5f099
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203 changes: 203 additions & 0 deletions test/internet/test-dns-ipv4.js
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'use strict';
var common = require('../common');
var assert = require('assert'),
dns = require('dns'),
net = require('net'),
isIP = net.isIP,
isIPv4 = net.isIPv4;
var util = require('util');

var expected = 0,
completed = 0,
running = false,
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);
});
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