waitForMessagesSince has new message resolve waiting

chapp/chat_room.js

@@ -51,7 +51,9 @@ chatRoom.waitForMessagesSince = function(id){
        if(messages.length > 0){
            promise.resolve(messages);
        } else {
-           this.addListener('message', function() {});
+           this.addListener('message', function(message) {
+               promise.resolve([message]);
+           });
        }
     }.bind(this));
 

test/chat_room_tests.js

@@ -189,4 +189,20 @@ suite('chatRoom.waitForMessagesSince', function(){
           done();
        }.bind(this));
    });
+   test('new message should resolve waiting', function(done){
+      var user = 'cjno',
+          msg = 'Are you waiting for this?';
+
+       this.room.waitForMessagesSince(0).then(function(msgs){
+          assert.isArray(msgs);
+          assert.equal(msgs.length, 1);
+          assert.equal(msgs[0].user, user);
+          assert.equal(msgs[0].message, msg);
+           done();
+       });
+
+       process.nextTick(function(){
+          this.room.addMessage(user, msg);
+       }.bind(this));
+   });
 });