public void AllFeedbackActuallyReturnsAllOfTheFeedback() { var feedbackRepository = new Mock <IRepository <ContactInfo> >(); feedbackRepository.Setup(r => r.All()).Returns(new List <ContactInfo>() { new ContactInfo(), new ContactInfo(), new ContactInfo() }.AsQueryable()); var service = new HomeService(null, null, feedbackRepository.Object); Assert.Equal(3, service.AllFeedback().Count()); }