test: refactor the code in test-dns-ipv4

* remove the manual control for functions execution
* use common.mustCall to control the functions execution automatically
* use let and const instead of var
* use assert.strictEqual instead assert.equal

PR-URL: https://github.com/nodejs/node/pull/10200
Reviewed-By: Italo A. Casas <me@italoacasas.com>
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
This commit is contained in:
Adrian Estrada 2016-12-19 19:41:27 -05:00 committed by Italo A. Casas
parent 1b2d3f7ae7
commit 4d3b487b79

View File

@ -1,18 +1,16 @@
'use strict'; 'use strict';
require('../common'); const common = require('../common');
const assert = require('assert'); const assert = require('assert');
const dns = require('dns'); const dns = require('dns');
const net = require('net'); const net = require('net');
const isIPv4 = net.isIPv4; const isIPv4 = net.isIPv4;
let expected = 0;
let completed = 0;
let running = false; let running = false;
const queue = []; const queue = [];
function TEST(f) { function TEST(f) {
function next() { function next() {
var f = queue.shift(); const f = queue.shift();
if (f) { if (f) {
running = true; running = true;
console.log(f.name); console.log(f.name);
@ -22,11 +20,9 @@ function TEST(f) {
function done() { function done() {
running = false; running = false;
completed++;
process.nextTick(next); process.nextTick(next);
} }
expected++;
queue.push(f); queue.push(f);
if (!running) { if (!running) {
@ -39,149 +35,150 @@ function checkWrap(req) {
} }
TEST(function test_resolve4(done) { TEST(function test_resolve4(done) {
var req = dns.resolve4('www.google.com', function(err, ips) { const req = dns.resolve4('www.google.com',
if (err) throw err; common.mustCall((err, ips) => {
assert.ifError(err);
assert.ok(ips.length > 0); assert.ok(ips.length > 0);
for (var i = 0; i < ips.length; i++) { for (let i = 0; i < ips.length; i++) {
assert.ok(isIPv4(ips[i])); assert.ok(isIPv4(ips[i]));
} }
done(); done();
}); }));
checkWrap(req); checkWrap(req);
}); });
TEST(function test_reverse_ipv4(done) { TEST(function test_reverse_ipv4(done) {
var req = dns.reverse('8.8.8.8', function(err, domains) { const req = dns.reverse('8.8.8.8',
if (err) throw err; common.mustCall((err, domains) => {
assert.ifError(err);
assert.ok(domains.length > 0); assert.ok(domains.length > 0);
for (var i = 0; i < domains.length; i++) { for (let i = 0; i < domains.length; i++) {
assert.ok(domains[i]); assert.ok(domains[i]);
assert.ok(typeof domains[i] === 'string'); assert.ok(typeof domains[i] === 'string');
} }
done(); done();
}); }));
checkWrap(req); checkWrap(req);
}); });
TEST(function test_lookup_ipv4_explicit(done) { TEST(function test_lookup_ipv4_explicit(done) {
var req = dns.lookup('www.google.com', 4, function(err, ip, family) { const req = dns.lookup('www.google.com', 4,
if (err) throw err; common.mustCall((err, ip, family) => {
assert.ok(net.isIPv4(ip)); assert.ifError(err);
assert.strictEqual(family, 4); assert.ok(net.isIPv4(ip));
assert.strictEqual(family, 4);
done(); done();
}); }));
checkWrap(req); checkWrap(req);
}); });
TEST(function test_lookup_ipv4_implicit(done) { TEST(function test_lookup_ipv4_implicit(done) {
var req = dns.lookup('www.google.com', function(err, ip, family) { const req = dns.lookup('www.google.com',
if (err) throw err; common.mustCall((err, ip, family) => {
assert.ok(net.isIPv4(ip)); assert.ifError(err);
assert.strictEqual(family, 4); assert.ok(net.isIPv4(ip));
assert.strictEqual(family, 4);
done(); done();
}); }));
checkWrap(req); checkWrap(req);
}); });
TEST(function test_lookup_ipv4_explicit_object(done) { TEST(function test_lookup_ipv4_explicit_object(done) {
var req = dns.lookup('www.google.com', { const req = dns.lookup('www.google.com', {
family: 4 family: 4
}, function(err, ip, family) { }, common.mustCall((err, ip, family) => {
if (err) throw err; assert.ifError(err);
assert.ok(net.isIPv4(ip)); assert.ok(net.isIPv4(ip));
assert.strictEqual(family, 4); assert.strictEqual(family, 4);
done(); done();
}); }));
checkWrap(req); checkWrap(req);
}); });
TEST(function test_lookup_ipv4_hint_addrconfig(done) { TEST(function test_lookup_ipv4_hint_addrconfig(done) {
var req = dns.lookup('www.google.com', { const req = dns.lookup('www.google.com', {
hints: dns.ADDRCONFIG hints: dns.ADDRCONFIG
}, function(err, ip, family) { }, common.mustCall((err, ip, family) => {
if (err) throw err; assert.ifError(err);
assert.ok(net.isIPv4(ip)); assert.ok(net.isIPv4(ip));
assert.strictEqual(family, 4); assert.strictEqual(family, 4);
done(); done();
}); }));
checkWrap(req); checkWrap(req);
}); });
TEST(function test_lookup_ip_ipv4(done) { TEST(function test_lookup_ip_ipv4(done) {
var req = dns.lookup('127.0.0.1', function(err, ip, family) { const req = dns.lookup('127.0.0.1',
if (err) throw err; common.mustCall((err, ip, family) => {
assert.strictEqual(ip, '127.0.0.1'); assert.ifError(err);
assert.strictEqual(family, 4); assert.strictEqual(ip, '127.0.0.1');
assert.strictEqual(family, 4);
done(); done();
}); }));
checkWrap(req); checkWrap(req);
}); });
TEST(function test_lookup_localhost_ipv4(done) { TEST(function test_lookup_localhost_ipv4(done) {
var req = dns.lookup('localhost', 4, function(err, ip, family) { const req = dns.lookup('localhost', 4,
if (err) throw err; common.mustCall((err, ip, family) => {
assert.strictEqual(ip, '127.0.0.1'); assert.ifError(err);
assert.strictEqual(family, 4); assert.strictEqual(ip, '127.0.0.1');
assert.strictEqual(family, 4);
done(); done();
}); }));
checkWrap(req); checkWrap(req);
}); });
TEST(function test_lookup_all_ipv4(done) { TEST(function test_lookup_all_ipv4(done) {
var req = dns.lookup( const req = dns.lookup(
'www.google.com', 'www.google.com',
{all: true, family: 4}, {all: true, family: 4},
function(err, ips) { common.mustCall((err, ips) => {
if (err) throw err; assert.ifError(err);
assert.ok(Array.isArray(ips)); assert.ok(Array.isArray(ips));
assert.ok(ips.length > 0); assert.ok(ips.length > 0);
ips.forEach(function(ip) { ips.forEach((ip) => {
assert.ok(isIPv4(ip.address)); assert.ok(isIPv4(ip.address));
assert.strictEqual(ip.family, 4); assert.strictEqual(ip.family, 4);
}); });
done(); done();
} }
); ));
checkWrap(req); checkWrap(req);
}); });
TEST(function test_lookupservice_ip_ipv4(done) { TEST(function test_lookupservice_ip_ipv4(done) {
var req = dns.lookupService('127.0.0.1', 80, function(err, host, service) { const req = dns.lookupService('127.0.0.1', 80,
if (err) throw err; common.mustCall((err, host, service) => {
assert.equal(typeof host, 'string'); assert.ifError(err);
assert(host); assert.strictEqual(typeof host, 'string');
assert(['http', 'www', '80'].includes(service)); assert(host);
done(); assert(['http', 'www', '80'].includes(service));
}); done();
}));
checkWrap(req); checkWrap(req);
}); });
process.on('exit', function() {
console.log(completed + ' tests completed');
assert.equal(running, false);
assert.strictEqual(expected, completed);
});