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Added test cases for --file-descriptor-limit argument
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‎tests/automation/fd-limit/.gitignore‎

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testfiles

‎tests/automation/fd-limit/fd-limit.xml‎

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<div xmlns="http://www.w3.org/1999/xhtml" id="mocha"><ul id="mocha-stats"><li class="progress"><canvas width="40" height="40"></canvas></li><li class="passes"><a href="#">passes:</a> <em>2</em></li><li class="failures"><a href="#">failures:</a> <em>0</em></li><li class="duration">duration: <em>3.20</em>s</li></ul><ul id="mocha-report"><li class="suite"><h1><a href="?grep=fd-limit">fd-limit</a></h1><ul><li class="suite"><h1><a href="?grep=fd-limit file descriptor limit">file descriptor limit</a></h1><ul><li class="test pass slow"><h2>fetches 2k files via XHR should succeed with --file-descriptor-limit=8192<span class="duration">1579ms</span> <a href="?grep=fd-limit file descriptor limit fetches 2k files via XHR should succeed with --file-descriptor-limit=8192" class="replay">‣</a></h2><pre style="display: none;"><code>this.timeout(5000);
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nw.spawn(['test_app', '--file-descriptor-limit=8192'], function(err, data) {
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if (err) throw err;
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assert.equal(data.ok, true);
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done();
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});</code></pre></li><li class="test pass slow"><h2>fetches 2k files via XHR should fail with --file-descriptor-limit=100<span class="duration">679ms</span> <a href="?grep=fd-limit file descriptor limit fetches 2k files via XHR should fail with --file-descriptor-limit=100" class="replay">‣</a></h2><pre style="display: none;"><code>this.timeout(5000);
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nw.spawn(['test_app', '--file-descriptor-limit=100'], function(err, data) {
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if (err) throw err;
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assert.equal(data.ok, false);
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done();
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});</code></pre></li></ul></li></ul></li></ul></div>

‎tests/automation/fd-limit/index.html‎

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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<title>fd-limit</title>
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<link href="../res/mocha.css" rel="stylesheet"/>
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</head>
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<body>
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<script src="../res/mocha_util.js"></script>
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<script src="mocha_test.js"></script>
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</body>
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</html>

‎tests/automation/fd-limit/mocha_test.js‎

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var assert = require('assert');
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var fs = require('fs');
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var path = require('path');
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var nw = require('./nw');
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describe('fd-limit', function() {
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describe('file descriptor limit', function() {
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before(function(done) {
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this.timeout(5000);
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fs.mkdir('testfiles', function(err) {
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if (err) throw err;
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var n = 0;
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(function next() {
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fs.writeFile('testfiles/' + n + '.json', JSON.stringify({i: n}), function(err) {
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if (err) throw err;
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if (++n === 2000) {
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done();
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} else {
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next();
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}
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});
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}());
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});
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});
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after(function(done) {
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this.timeout(5000);
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var n = 0;
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(function next() {
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fs.unlink('testfiles/' + n + '.json', function(err) {
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if (err) throw err;
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if (++n === 2000) {
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fs.rmdir('testfiles', function(err){
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if (err) throw err;
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done();
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});
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} else {
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next();
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}
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});
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}());
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});
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it('fetches 2k files via XHR should succeed with --file-descriptor-limit=8192', function(done) {
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this.timeout(5000);
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nw.spawn(['test_app', '--file-descriptor-limit=8192'], function(err, data) {
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if (err) throw err;
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assert.equal(data.ok, true);
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done();
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});
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});
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it('fetches 2k files via XHR should fail with --file-descriptor-limit=100', function(done) {
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this.timeout(5000);
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nw.spawn(['test_app', '--file-descriptor-limit=100'], function(err, data) {
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if (err) throw err;
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assert.equal(data.ok, false);
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done();
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});
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});
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});
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});

‎tests/automation/fd-limit/nw.js‎

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var spawn = require('child_process').spawn;
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var net = require('net');
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exports.port = 13030;
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exports.spawn = function(args, cb) {
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var shutdown = function (err, data) {
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shutdown = function(){};
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server.close(function(){
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if (err) {
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cb(err);
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} else {
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cb(null, JSON.parse(data));
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}
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});
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};
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var server = net.createServer();
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server.on('connection', function(con) {
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con.on('data', function(data) {
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shutdown(null, data);
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});
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con.on('error', function(err){
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shutdown(err);
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});
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con.on('close', function(){
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shutdown(new Error('not-receive'));
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});
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});
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server.listen(exports.port);
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return spawn(process.execPath, args);
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};
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exports.send = function(data) {
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var client = net.connect(exports.port);
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client.end(JSON.stringify(data));
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require('nw.gui').App.quit();
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};

‎tests/automation/fd-limit/package.json‎

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{
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"name": "fd-limit",
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"main": "index.html",
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"single-instance": false
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}

‎tests/automation/fd-limit/test_app/index.html‎

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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<title>fd-limit</title>
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</head>
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<body>
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<script>
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var gui = require('nw.gui');
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var nw = require('../nw');
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get2k();
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function get2k() {
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var pass = false;
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var count = 2000;
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for(var i = 0; i < count; i++) {
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getFile('../testfiles/'+i+'.json', done);
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}
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function done(err) {
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if (pass) return;
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if (err) {
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pass = true;
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reportDone(false);
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} else if (--count === 0) {
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reportDone(true);
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}
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}
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}
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function getFile(file, done) {
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var xhr = new XMLHttpRequest();
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xhr.onload = function(){done();};
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xhr.onerror = function(){done(true);};
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xhr.open('GET', file, true);
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xhr.send();
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}
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function reportDone(result) {
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console.log(result);
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nw.send({ok: result});
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}
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</script>
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</body>
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</html>

‎tests/automation/fd-limit/test_app/package.json‎

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{
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"name": "fd-limit-test-app",
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"main": "index.html",
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"single-instance": false
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}

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