Splitted the node server in modules

app/lib/phantomasWrapper.js

@@ -0,0 +1,67 @@
+/**
+ * Yellow Lab Tools main file
+ */
+
+var q               = require ('q');
+var phantomas       = require('phantomas');
+
+var PhantomasWrapper = function() {
+    'use strict';
+
+    /**
+     * This is the phantomas launcher. It merges user chosen options into the default options
+     * Available options :
+     *
+     * - timeout : in seconds (default 60)
+     * - jsDeepAnalysis : should we inspect subrequests in the javascript execution tree (reported durations of main tasks will be slower than usual)
+     *
+     */
+     this.execute = function(task, callback) {
+
+        var options = {
+            // Cusomizable options
+            timeout: task.options.timeout || 60,
+            'js-deep-analysis': task.options.jsDeepAnalysis || false,
+
+            // Mandatory
+            reporter: 'json:pretty',
+            'skip-modules': [
+                'ajaxRequests',
+                'alerts',
+                'cacheHits',
+                'caching',
+                'console',
+                'cookies',
+                'documentHeight',
+                'domains',
+                'domComplexity',
+                'domMutations',
+                'domQueries',
+                'filmStrip',
+                'jQuery',
+                'jserrors',
+                'har',
+                'headers',
+                'localStorage',
+                'mainRequest',
+                'pageSource',
+                'redirects',
+                'requestsStats',
+                'screenshot',
+                'staticAssets',
+                'timeToFirst',
+                'waitForSelector'
+            ].join(','),
+            'include-dirs': [
+                'phantomas_custom/core',
+                'phantomas_custom/modules'
+            ].join(',')
+        };
+
+        // It's time to launch the test!!!
+        phantomas(task.url, options, callback);
+
+    };
+};
+
+module.exports = new PhantomasWrapper();

app/lib/testQueue.js

@@ -0,0 +1,63 @@
+/**
+ * Creation of a queue and it's worker function
+ */
+
+var util                = require('util');
+var EventEmitter        = require('events').EventEmitter;
+var async               = require('async');
+var phantomasWrapper    = require('./phantomasWrapper');
+
+
+var testQueue = function() {
+    'use strict';
+
+    var currentTask = null;
+    var self = this;
+
+    var queue = async.queue(function(task, callback) {
+        currentTask = task;
+
+        console.log('Starting test ' + task.testId);
+        
+        phantomasWrapper.execute(task, function(err, json, results) {
+            console.log('Test ' + task.testId + ' complete');
+            currentTask = null;
+            callback(err, json, results);
+            self.emit('queueMoving');
+        });
+    });
+
+    
+    // Use this method to add a test to the queue
+    this.push = queue.push;
+
+    
+    // Gives the position of a task in the queue
+    // Returns 0 if it is the current running task
+    // Returns -1 if not found
+    this.indexOf = function(testId) {
+        if (currentTask && currentTask.testId === testId) {
+            return 0;
+        }
+
+        var position = -1;
+        if (queue.length() > 0) {
+            queue.tasks.forEach(function(task, index) {
+                if (task.data.testId === testId) {
+                    position = index + 1;
+                }
+            });
+        }
+        return position;
+    };
+
+    // Forward testComplete
+    this.testComplete = function(testId) {
+        self.emit('testComplete', testId);
+    };
+};
+
+// extend the EventEmitter class using our Radio class
+util.inherits(testQueue, EventEmitter);
+
+module.exports = new testQueue();

app/node_controllers/indexController.js

@@ -0,0 +1,23 @@
+/**
+ * Yellow Lab Tools home page controller
+ */
+
+var async   = require('async');
+var fs      = require ('fs');
+
+var indexController = function(req, res) {
+    'use strict';
+
+    async.parallel({
+        
+        htmlTemplate: function(callback) {
+            fs.readFile('./app/node_views/index.html', {encoding: 'utf8'}, callback);
+        }
+
+    }, function(err, results) {
+        res.setHeader('Content-Type', 'text/html');
+        res.send(results.htmlTemplate);
+    });
+ };
+
+ module.exports = indexController;

app/node_controllers/launchTestController.js

@@ -0,0 +1,82 @@
+/**
+ * Controller for the test launching page (the waiting page, after the user submited a test on the index page)
+ */
+
+var async   = require('async');
+var fs      = require ('fs');
+
+var launchTestController = function(req, res, testQueue) {
+    'use strict';
+
+    // Generate test id
+    var testId = (Date.now()*1000 + Math.round(Math.random()*1000)).toString(36);
+
+    var resultsPath = 'results/' + testId;
+    var phantomasResultsPath = resultsPath + '/results.json';
+    
+    var url = req.body.url;
+    if (url.indexOf('http://') !== 0 && url.indexOf('https://') !== 0) {
+        url = 'http://' + url;
+    }
+
+    var options = {};
+    if (req.body.timeout) {
+        options.timeout = req.body.timeout;
+    }
+
+    async.waterfall([
+        
+        function htmlTemplate(callback) {
+            fs.readFile('./app/node_views/launchTest.html', {encoding: 'utf8'}, callback);
+        },
+
+        function sendResponse(html, callback) {
+
+            html = html.replace('%%TEST_URL%%', url);
+            html = html.replace('%%TEST_ID%%', testId);
+
+            res.setHeader('Content-Type', 'text/html');
+            res.send(html);
+
+            callback();
+        },
+
+        function createFolder(callback) {
+            // Create results folder
+            fs.mkdir(resultsPath, callback);
+        },
+
+        function executePhantomas(callback) {
+            console.log('Adding test ' + testId + ' on ' + url + ' to the queue');
+            
+            var task = {
+                testId: testId,
+                url: url,
+                options: options
+            };
+
+            testQueue.push(task, callback);
+        },
+
+        function writeResults(json, resultsObject, callback) {
+            console.log('Saving Phantomas results file to ' + phantomasResultsPath);
+            fs.writeFile(phantomasResultsPath, JSON.stringify(json, null, 4), callback);
+        }
+
+    ], function(err) {
+        if (err) {
+            console.log('An error occured while launching the phantomas test : ', err);
+
+            fs.writeFile(phantomasResultsPath, JSON.stringify({url: url, error: err}, null, 4), function(err) {
+                if (err) {
+                    console.log('Could not even write an error message on file ' + phantomasResultsPath);
+                    console.log(err);
+                }
+            });
+        } else {
+            testQueue.testComplete(testId);
+        }
+    });
+ };
+
+ module.exports = launchTestController;

app/node_controllers/resultsController.js

@@ -0,0 +1,41 @@
+/**
+ * The page that dispays the results
+ */
+
+var async   = require('async');
+var fs      = require ('fs');
+
+var resultsController = function(req, res) {
+    'use strict';
+
+    var testId = req.params.testId;
+    var resultsPath = 'results/' + testId;
+    var phantomasResultsPath = resultsPath + '/results.json';
+
+    console.log('Opening test ' + testId + ' results as HTML');
+
+    async.parallel({
+        
+        htmlTemplate: function(callback) {
+            fs.readFile('./app/node_views/results.html', {encoding: 'utf8'}, callback);
+        },
+
+        phantomasResults: function(callback) {
+            fs.readFile(phantomasResultsPath, {encoding: 'utf8'}, callback);
+        }
+
+    }, function(err, results) {
+        if (err) {
+            console.log(err);
+            return res.status(404).send('Sorry, test not found...');
+        }
+
+        var html = results.htmlTemplate;
+        html = html.replace('%%RESULTS%%', results.phantomasResults);
+
+        res.setHeader('Content-Type', 'text/html');
+        res.send(html);
+    });
+};
+
+module.exports = resultsController;

app/node_controllers/waitingQueueSocket.js

@@ -0,0 +1,53 @@
+/**
+ * Socket.io handler
+ */
+
+var fs = require('fs');
+
+var waitingQueueSocket = function(socket, testQueue) {
+    
+    socket.on('waiting', function(testId) {
+        console.log('User waiting for test id ' + testId);
+
+        sendTestStatus(testId);
+
+        testQueue.on('testComplete', function(id) {
+            if (testId === id) {
+                socket.emit('complete');
+                console.log('Sending complete event to test id ' + testId);
+            }
+        });
+
+        testQueue.on('queueMoving', function() {
+            var positionInQueue = testQueue.indexOf(testId);
+            if (positionInQueue >= 0) {
+                socket.emit('position', positionInQueue);
+                console.log('Sending position to test id ' + testId);
+            }
+        });
+    });
+
+    // Finds the status of a test and send it to the client
+    function sendTestStatus(testId) {
+        // Check task position in queue
+        var positionInQueue = testQueue.indexOf(testId);
+
+        if (positionInQueue >= 0) {
+            socket.emit('position', positionInQueue);
+        } else {
+            // Find in results files
+            var exists = fs.exists('results/' + testId + '/results.json', function(exists) {
+                if (exists) {
+                    // TODO : find a way to make sure the file is completely written
+                    setTimeout(function() {
+                        socket.emit('complete');
+                    }, 4000);
+                } else {
+                    socket.emit('404');
+                }
+            });
+        }
+    }
+};
+
+module.exports = waitingQueueSocket;

app/node_views/launchTest.html

@@ -21,15 +21,13 @@
         function askStatus() {
             socket.emit('waiting', testId);
         }
-
-        socket.on('running', function() {
-            statusElement.innerHTML = 'Running';
-            setTimeout(askStatus, 200);
-        });
         
         socket.on('position', function(position) {
-            statusElement.innerHTML = 'Waiting behind ' + (position + 1) + ' other tests';
+            if (position === 0) {
-            setTimeout(askStatus, 2000);
+                statusElement.innerHTML = 'Running';
+            } else {
+                statusElement.innerHTML = 'Waiting behind ' + (position) + ' other tests';
+            }
         });
 
         socket.on('complete', function() {

app/node_views/results.html

@@ -16,7 +16,7 @@
     <div ng-if="undefined">Untangling and counting the spaghettis...</div>
 
     <div class="ng-cloak">
-        <div>Tested url: <a class="testedUrl" href="phantomasResults.url" target="_blank">{{phantomasResults.url}}</a></div>
+        <div>Tested url: <a class="testedUrl" href="{{phantomasResults.url}}" target="_blank">{{phantomasResults.url}}</a></div>
 
         <div ng-if="phantomasResults.error || !javascript">
             <h2>Error: {{phantomasResults.error}}</h2>
@@ -74,7 +74,7 @@
                                 ng-class="{
                                     'warningDetails': node.data.type == 'jQuery - bind' && node.data.callDetails.context.length > 5
                                 }"
-                                ng-if="node.data.type != 'script loaded'">i</button>
+                                ng-if="node.data.type != 'script loaded' && node.data.type != 'jQuery loaded'">i</button>
                         <div class="detailsOverlay" ng-show="node.data.showDetails">
                             <div class="closeBtn" ng-click="onNodeDetailsClick(node)">✖</div>
 
@@ -125,14 +125,17 @@
                                             <span ng-if="node.data.callDetails.arguments.length > 2"> : {{node.data.callDetails.arguments[2]}}</span>
                                             <span ng-if="node.data.callDetails.arguments.length > 3"> : {{node.data.callDetails.arguments[3]}}</span>
                                         </div>
-                                        <div class="duration" ng-if="node.data.time != undefined">{{node.data.time}} ms <div ng-if="node.data.time > slowRequestsLimit" class="warningIcon"></div></div>
+                                        <div class="duration" ng-if="node.data.time != undefined">{{node.data.time}} ms</div>
                                         <div class="duration" ng-if="node.data.time == undefined"></div>
                                     </div>
                                 </div>
                             </div>
                         </div>
                     </div>
-                    <div class="duration" ng-if="node.data.time != undefined">{{node.data.time}} ms <div ng-if="node.data.time > slowRequestsLimit" class="warningIcon"></div></div>
+                    <div class="duration" ng-if="node.data.time != undefined">
+                        {{node.data.time}} ms
+                        <div ng-if="node.data.time > slowRequestsLimit" class="warningIcon" title="Slower than {{slowRequestsLimit}} ms"></div>
+                    </div>
                     <div class="duration" ng-if="node.data.time == undefined"></div>
                 </div>
             </div>

phantomas_custom/core/scopeYLT/scopeYLT.js

@@ -6,11 +6,11 @@
  * @see http://code.jquery.com/jquery-2.0.3.js
  */
 /* global document: true, window: true */
-'use strict';
 
 exports.version = '0.1';
 
 exports.module = function(phantomas) {
+    'use strict';
 
     phantomas.once('init', function() {
         phantomas.evaluate(function(deepAnalysis) {
@@ -43,8 +43,7 @@ exports.module = function(phantomas) {
                             
                             // Before
                             if (enabled) {
-                                var args = Array.prototype.slice.call(arguments);
+                                callbackBefore.apply(this, arguments);
-                                callbackBefore.apply(this, args);
                             }
 
                             // Execute
@@ -56,8 +55,7 @@ exports.module = function(phantomas) {
 
                                 // After
                                 if (enabled && callbackAfter) {
-                                    var args = Array.prototype.slice.call(arguments);
+                                    callbackAfter.apply(this, arguments);
-                                    callbackAfter.apply(this, args);
                                 }
                             }
 
@@ -158,7 +156,7 @@ exports.module = function(phantomas) {
                             var child = new ContextTreeNode(this, data);
                             this.children.push(child);
                             return child;
-                        }
+                        };
                     }
 
                     phantomas.log('Adding some contextTree functions to phantomas');

phantomas_custom/modules/domComplexYLT/domComplexYLT.js

@@ -2,11 +2,11 @@
  * Analyzes DOM complexity
  */
 /* global document: true, Node: true, window: true */
-'use strict';
 
 exports.version = '0.3.a';
 
 exports.module = function(phantomas) {
+    'use strict';
 
     // total length of HTML comments (including <!-- --> brackets)
     phantomas.setMetric('commentsSize'); // @desc the size of HTML comments on the page @offenders

phantomas_custom/modules/domQYLT/domQYLT.js

@@ -2,18 +2,19 @@
  * Analyzes DOM queries done via native DOM methods
  */
 /* global Element: true, Document: true, Node: true, window: true */
-'use strict';
 
 exports.version = '0.7.a';
 
 exports.module = function(phantomas) {
-        phantomas.setMetric('DOMqueries'); // @desc number of all DOM queries @offenders
+    'use strict';
-        phantomas.setMetric('DOMqueriesById'); // @desc number of document.getElementById calls
+
-        phantomas.setMetric('DOMqueriesByClassName'); // @desc number of document.getElementsByClassName calls
+    phantomas.setMetric('DOMqueries'); // @desc number of all DOM queries @offenders
-        phantomas.setMetric('DOMqueriesByTagName'); // @desc number of document.getElementsByTagName calls
+    phantomas.setMetric('DOMqueriesById'); // @desc number of document.getElementById calls
-        phantomas.setMetric('DOMqueriesByQuerySelectorAll'); // @desc number of document.querySelector(All) calls
+    phantomas.setMetric('DOMqueriesByClassName'); // @desc number of document.getElementsByClassName calls
-        phantomas.setMetric('DOMinserts'); // @desc number of DOM nodes inserts
+    phantomas.setMetric('DOMqueriesByTagName'); // @desc number of document.getElementsByTagName calls
-        phantomas.setMetric('DOMqueriesDuplicated'); // @desc number of duplicated DOM queries
+    phantomas.setMetric('DOMqueriesByQuerySelectorAll'); // @desc number of document.querySelector(All) calls
+    phantomas.setMetric('DOMinserts'); // @desc number of DOM nodes inserts
+    phantomas.setMetric('DOMqueriesDuplicated'); // @desc number of duplicated DOM queries
 
     // fake native DOM functions
     phantomas.once('init', function() {
@@ -43,6 +44,8 @@ exports.module = function(phantomas) {
 
                 // selectors by class name
                 function selectorClassNameSpyBefore(className) {
+                    /*jshint validthis: true */
+
                     phantomas.incrMetric('DOMqueriesByClassName');
                     phantomas.addOffender('DOMqueriesByClassName', '.' + className);
                     querySpy('class', '.' + className, 'getElementsByClassName');
@@ -65,6 +68,8 @@ exports.module = function(phantomas) {
 
                 // selectors by tag name
                 function selectorTagNameSpyBefore(tagName) {
+                    /*jshint validthis: true */
+
                     phantomas.incrMetric('DOMqueriesByTagName');
                     phantomas.addOffender('DOMqueriesByTagName', tagName);
                     querySpy('tag name', tagName, 'getElementsByTagName');
@@ -93,6 +98,8 @@ exports.module = function(phantomas) {
                 }
 
                 function selectorQuerySpyBefore(selector) {
+                    /*jshint validthis: true */
+
                     selectorQuerySpy(selector);
 
                     phantomas.enterContext({
@@ -109,6 +116,8 @@ exports.module = function(phantomas) {
                 }
 
                 function selectorAllQuerySpyBefore(selector) {
+                    /*jshint validthis: true */
+
                     selectorQuerySpy(selector);
 
                     phantomas.enterContext({
@@ -132,7 +141,8 @@ exports.module = function(phantomas) {
 
                 // count DOM inserts
                 function appendChild(child) {
-                    /* jshint validthis: true */
+                    /*jshint validthis: true */
+
                     // ignore appending to the node that's not yet added to DOM tree
                     if (!this.parentNode) {
                         return;
@@ -154,6 +164,8 @@ exports.module = function(phantomas) {
                 }
 
                 function appendChildSpyBefore(child) {
+                    /*jshint validthis: true */
+
                     appendChild(child);
 
                     phantomas.enterContext({
@@ -170,6 +182,8 @@ exports.module = function(phantomas) {
                 }
 
                 function insertBeforeSpyBefore(child) {
+                    /*jshint validthis: true */
+                    
                     appendChild(child);
 
                     phantomas.enterContext({

phantomas_custom/modules/jQYLT/jQYLT.js

@@ -5,17 +5,19 @@
  * @see http://code.jquery.com/jquery-2.0.3.js
  */
 /* global document: true, window: true */
-'use strict';
+/* jshint -W030 */
 
 exports.version = '0.2.a';
 
 exports.module = function(phantomas) {
-        phantomas.setMetric('jQueryVersion', ''); // @desc version of jQuery framework (if loaded) [string]
+    'use strict';
-        phantomas.setMetric('jQueryOnDOMReadyFunctions'); // @desc number of functions bound to onDOMReady event
+
-        phantomas.setMetric('jQuerySizzleCalls'); // @desc number of calls to Sizzle (including those that will be resolved using querySelectorAll)
+    phantomas.setMetric('jQueryVersion', ''); // @desc version of jQuery framework (if loaded) [string]
-        phantomas.setMetric('jQuerySizzleCallsDuplicated'); // @desc number of calls on the same Sizzle request
+    phantomas.setMetric('jQueryOnDOMReadyFunctions'); // @desc number of functions bound to onDOMReady event
-        phantomas.setMetric('jQueryBindOnMultipleElements'); //@desc number of calls to jQuery bind function on 2 or more elements
+    phantomas.setMetric('jQuerySizzleCalls'); // @desc number of calls to Sizzle (including those that will be resolved using querySelectorAll)
-        phantomas.setMetric('jQueryDifferentVersions'); //@desc number of different jQuery versions loaded on the page (not counting iframes)
+    phantomas.setMetric('jQuerySizzleCallsDuplicated'); // @desc number of calls on the same Sizzle request
+    phantomas.setMetric('jQueryBindOnMultipleElements'); //@desc number of calls to jQuery bind function on 2 or more elements
+    phantomas.setMetric('jQueryDifferentVersions'); //@desc number of different jQuery versions loaded on the page (not counting iframes)
 
     var jQueryFunctions = [
         // DOM manipulations
@@ -244,7 +246,7 @@ exports.module = function(phantomas) {
                                     arg = 'false';
                                 }
 
-                                if (arg == null) {
+                                if (arg === null) {
                                     arg = 'null';
                                 }
 

phantomas_custom/modules/jsErrYLT/jsErrYLT.js

@@ -1,11 +1,12 @@
 /**
  * Meters the number of page errors, and provides traces as offenders for "jsErrors" metric
  */
-'use strict';
 
 exports.version = '0.3.a';
 
 exports.module = function(phantomas) {
+    'use strict';
+    
     phantomas.setMetric('jsErrors'); // @desc number of JavaScript errors
     
     function formatTrace(trace) {

phantomas_custom/modules/jsFileLoadYLT/jsFileLoadYLT.js

@@ -1,11 +1,11 @@
 /**
  * Meters the number of page errors, and provides traces as offenders for "jsErrors" metric
  */
-'use strict';
 
 exports.version = '0.0';
 
 exports.module = function(phantomas) {
+    'use strict';
     
     phantomas.on('recv', function(entry, res) {
         if (!entry.isJS) {

phantomas_custom/modules/jsTreeYLT/jsTreeYLT.js

@@ -3,11 +3,11 @@
  *
  * Run phantomas with --js-execution-tree option to use this module
  */
-'use strict';
 
 exports.version = '0.1';
 
 exports.module = function(phantomas) {
+    'use strict';
 
     phantomas.setMetric('javascriptExecutionTree'); // @desc number of duplicated DOM queries
 

server.js

@@ -1,230 +1,42 @@
-var settings    = require('./server_config/settings.json');
+// Config file
-var fs          = require('fs');
+var settings                = require('./server_config/settings.json');
-var async       = require('async');
-var express     = require('express');
-var app         = express();
-var server      = require('http').createServer(app);
-var io          = require('socket.io').listen(server);
-var bodyParser  = require('body-parser');
-var phantomas   = require('phantomas');
 
+// Libraries
+var fs                      = require('fs');
+var async                   = require('async');
+var express                 = require('express');
+var app                     = express();
+var server                  = require('http').createServer(app);
+var io                      = require('socket.io').listen(server);
+var bodyParser              = require('body-parser');
+
+// Internals
+var indexController         = require('./app/node_controllers/indexController');
+var launchTestController    = require('./app/node_controllers/launchTestController');
+var resultsController       = require('./app/node_controllers/resultsController');
+var waitingQueueSocket      = require('./app/node_controllers/waitingQueueSocket');
+var testQueue               = require('./app/lib/testQueue');
 
 app.use(bodyParser.urlencoded({ extended: false }));
 
 
-// Home page
+// Routes definition
-app.get('/', function(req, res) {
+app.get('/',                    indexController);
-    async.parallel({
+app.post('/launchTest',         function(req, res) { launchTestController(req, res, testQueue); });
-        
+app.get('/results/:testId',     resultsController);
-        htmlTemplate: function(callback) {
-            fs.readFile('./app/views/index.html', {encoding: 'utf8'}, callback);
-        }
-
-    }, function(err, results) {
-        res.setHeader('Content-Type', 'text/html');
-        res.send(results.htmlTemplate);
-    });
-});
-
-// Waiting queue page
-app.post('/launchTest', function(req, res) {
-    // Generate test id
-    var testId = (Date.now()*1000 + Math.round(Math.random()*1000)).toString(36);
-
-    var resultsPath = 'results/' + testId;
-    var phantomasResultsPath = resultsPath + '/results.json';
-    
-    var url = req.body.url;
-    if (url.indexOf('http://') !== 0 && url.indexOf('https://') !== 0) {
-        url = 'http://' + url;
-    }
-
-    async.waterfall([
-        
-        function htmlTemplate(callback) {
-            fs.readFile('./app/views/launchTest.html', {encoding: 'utf8'}, callback);
-        },
-
-        function sendResponse(html, callback) {
-
-            html = html.replace('%%TEST_URL%%', url);
-            html = html.replace('%%TEST_ID%%', testId);
-
-            res.setHeader('Content-Type', 'text/html');
-            res.send(html);
-
-            callback();
-        },
-
-        function createFolder(callback) {
-            // Create results folder
-            fs.mkdir(resultsPath, callback);
-        },
-
-        function executePhantomas(callback) {
-
-            var options = {
-                timeout: 60,
-                'js-deep-analysis': false,
-                reporter: 'json:pretty',
-                'skip-modules': [
-                    'ajaxRequests',
-                    'alerts',
-                    'cacheHits',
-                    'caching',
-                    'console',
-                    'cookies',
-                    'documentHeight',
-                    'domains',
-                    'domComplexity',
-                    'domMutations',
-                    'domQueries',
-                    'filmStrip',
-                    'jQuery',
-                    'jserrors',
-                    'har',
-                    'headers',
-                    'localStorage',
-                    'mainRequest',
-                    'pageSource',
-                    'redirects',
-                    'requestsStats',
-                    'screenshot',
-                    'staticAssets',
-                    'timeToFirst',
-                    'waitForSelector'
-                ].join(','),
-                'include-dirs': [
-                    'phantomas_custom/core',
-                    'phantomas_custom/modules'
-                ].join(',')
-            };
-
-            console.log('Adding test ' + testId + ' on ' + url + ' to the queue');
-            
-            var task = {
-                testId: testId,
-                url: url,
-                options: options
-            };
-
-            console.log(JSON.stringify(task, null, 4));
-
-            taskQueue.push(task, callback);
-        },
-
-        function writeResults(json, resultsObject, callback) {
-            console.log('Saving Phantomas results file to ' + phantomasResultsPath);
-            fs.writeFile(phantomasResultsPath, JSON.stringify(json, null, 4), callback);
-        }
-
-    ], function(err) {
-        if (err) {
-            console.log('An error occured while launching the phantomas test : ', err);
-
-            fs.writeFile(phantomasResultsPath, JSON.stringify({url: url, error: err}, null, 4), function(err) {
-                if (err) {
-                    console.log('Could not even write an error message on file ' + phantomasResultsPath);
-                    console.log(err);
-                }
-            });
-        }
-    });
-});
-
-
-// Results page
-app.get('/results/:testId', function(req, res) {
-    
-    var testId = req.params.testId;
-    var resultsPath = 'results/' + testId;
-    var phantomasResultsPath = resultsPath + '/results.json';
-
-    console.log('Opening test ' + testId + ' results as HTML');
-
-    async.parallel({
-        
-        htmlTemplate: function(callback) {
-            fs.readFile('./app/views/results.html', {encoding: 'utf8'}, callback);
-        },
-
-        phantomasResults: function(callback) {
-            fs.readFile(phantomasResultsPath, {encoding: 'utf8'}, callback);
-        }
-
-    }, function(err, results) {
-        if (err) {
-            console.log(err);
-            return res.status(404).send('Sorry, test not found...');
-        }
-
-        var html = results.htmlTemplate;
-        html = html.replace('%%RESULTS%%', results.phantomasResults);
-
-        res.setHeader('Content-Type', 'text/html');
-        res.send(html);
-    });
-});
 
 
 // Static files
-app.use('/public', express.static(__dirname + '/app/public'));
+app.use('/public',              express.static(__dirname + '/app/public'));
-app.use('/bower_components', express.static(__dirname + '/bower_components'));
+app.use('/bower_components',    express.static(__dirname + '/bower_components'));
 
 
 // Socket.io
 io.on('connection', function(socket){
-    socket.on('waiting', function(testId) {
+    waitingQueueSocket(socket, testQueue);
-        console.log('User waiting for test id ' + testId);
-        socket.testId = testId;
-
-        // Check task position in queue
-        var positionInQueue = -1;
-        if (taskQueue.length() > 0) {
-            taskQueue.tasks.forEach(function(task, index) {
-                if (task.data.testId === testId) {
-                    positionInQueue = index;
-                }
-            });
-        }
-
-        if (positionInQueue >= 0) {
-            socket.emit('position', positionInQueue);
-        } else if (currentTask && currentTask.testId === testId) {
-            socket.emit('running');
-        } else {
-            // Find in results files
-            var exists = fs.exists('results/' + testId + '/results.json', function(exists) {
-                if (exists) {
-                    // TODO : use eventEmitter to make sure the file is completly written on disk
-                    setTimeout(function() {
-                        socket.emit('complete');
-                    }, 1000);
-                } else {
-                    socket.emit('404');
-                }
-            });
-        }
-    });
 });
 
 
-// Creating a queue and defining the worker function
-var currentTask = null;
-var taskQueue = async.queue(function queueWorker(task, callback) {
-
-    currentTask = task;
-    console.log('Starting test ' + task.testId);
-    
-    // It's time to launch the test!!!
-    phantomas(task.url, task.options, function(err, json, results) {
-        console.log('Test ' + task.testId + ' complete');
-        currentTask = null;
-        callback(err, json, results);
-    });
-
-});
-
 
 // Launch the server
 server.listen(settings.serverPort, function() {