public void GradeMarkReturnViewCreateRegisterIfRegisterNull() { var mockCourse = new Mock <ICourseRepository>(); var mockRegister = new Mock <IRegisterRepository>(); mockCourse.Setup(r => r.GetMarks(1)).Returns(new List <Register>()); LecturerController controller = new LecturerController(mockCourse.Object, mockRegister.Object); ViewResult result = controller.GradeMark("student2", 2); Assert.AreEqual(result.ViewName, "CreateRegister"); }