public void TestAddReply() { // Arrange var repo = new FakeRepository(); var questionController = new QuestionsController(repo); // Act questionController.AddForumQuestion("testQuestion1", "testQuestionBody1"); Question q1 = questionController.FindQuestionByQuestionHeader("testQuestion1"); Reply r1 = new Reply { QuestionPost = q1, ReplyBody = "testReply1" }; questionController.AddReply(q1, r1); // Assert Assert.Equal(4, repo.Replies.Count); }