public void GetAllContactFromRepositoryTest() { //Arrange var mockUnitOfWork = new Mock <IUnitOfWork>(); mockUnitOfWork.Setup(x => x.ContactRepository.Get(null, null, "")); ContactValidator contactValidator = new ContactValidator(mockUnitOfWork.Object); ////Act IEnumerable <Contact> returnedContact = contactValidator.GetContacts(); ////Assert mockUnitOfWork.VerifyAll(); }