public void GetReturnsCorrectPost() { // Arrange PostViewModel mappedPost = new PostViewModel {PostID = 2}; PostsService service = new PostsService(_unitOfWorkFactory, _mapper); _mapper.Stub(x => x.Map(_post2)).Return(mappedPost); // Act PostViewModel model = service.Get(2); // Assert Assert.That(model, Is.EqualTo(mappedPost)); }