Fixed bugs for sprint 1 (#141)

* fixed grammar error

* QBWEBSDK-290

* up tests (set custom interval to all async. methods)

* upd dataSpec also

* QBWEBSDK-276

* QBWEBSDK-270

* change to enum

* QBWEBSDK-278

* remove console

Author: dimaspirit

samples/webrtc/js/app.js

@@ -554,19 +554,25 @@
             console.group('onCallStatsReport');
                 console.log('userId: ', userId);
                 console.log('session: ', session);
+                console.log('stats: ', stats);
             console.groupEnd();
 
             /**
              * Hack for Firefox
              * (https://bugzilla.mozilla.org/show_bug.cgi?id=852665)
              */
             if(is_firefox) {
-                var inboundrtp = _.findWhere(stats, {type: 'inboundrtp'});
+                var inboundrtp = _.findWhere(stats, {'type': 'inboundrtp'});
 
-                if(!inboundrtp || !app.helpers.isBytesReceivedChanges(userId, inboundrtp)) {
+                if(!app.helpers.isBytesReceivedChanges(userId, inboundrtp)) {
                     console.warn('This is Firefox and user ' + userId + ' has lost his connection.');
 
-                    if(!_.isEmpty(app.currentSession)) {
+                    /**
+                     * 2 - This is how many stats
+                     * we can get without inboundrtp
+                     * before close connection
+                     */
+                    if(app.network[userId].count >= 2 && !_.isEmpty(app.currentSession)) {
                         app.currentSession.closeConnection(userId);
                         app.helpers.notifyIfUserLeaveCall(session, userId, 'disconnected', 'Disconnected');
                     }
@@ -713,7 +719,6 @@
             var state = app.currentSession.connectionStateForUser(userId),
                 peerConnList = QB.webrtc.PeerConnectionState;
 
-
             if(state === peerConnList.DISCONNECTED || state === peerConnList.FAILED || state === peerConnList.CLOSED) {
                 return false;
             }

samples/webrtc/js/helpers.js

@@ -11,18 +11,20 @@
 
     app.helpers.isBytesReceivedChanges = function(userId, inboundrtp) {
         var res = true,
-            inbBytesRec = inboundrtp.bytesReceived;
+            inbBytesRec = inboundrtp ? inboundrtp.bytesReceived : 0;
 
-        if(app.network[userId] === undefined) {
+        if(app.network[userId] || !inboundrtp) {
             app.network[userId] = {
-              'bytesReceived': inbBytesRec
+              'bytesReceived': inbBytesRec,
+              'count': 0
             };
         } else {
             if(app.network[userId].bytesReceived === inbBytesRec) {
                 res = false;
             } else {
                 app.network[userId] = {
-                    'bytesReceived': inbBytesRec
+                    'bytesReceived': inbBytesRec,
+                    'count': ++app.network[userId].count
                 };
             }
         }