Splitted the node server in modules

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();