test mocha

gistfile1.js

describe('test class timeline', function(){

        beforeEach(function() {
            timeline = new Timeline(10);
        });

        describe('#addMessage method' , function() {

            it('when i add message timeline.data must contain this message', function() {
                var message = {
                    date:  '12345'
                };

                timeline.addMessage(message);
                timeline.data.should.contain(message);
            });

        });
});