public async Task ShouldGetAllModules_GetAllModules() { var mockRepo = new Mock <IDataRepository>(); List <Module> moduleData = Modules(); mockRepo.Setup(repo => repo.ModuleListAsync()). ReturnsAsync(moduleData); ModulesController controller = new ModulesController(mockRepo.Object); var result = await controller.GetAllModules(); Assert.IsInstanceOfType(result.Result, typeof(OkObjectResult)); var okResult = result.Result as OkObjectResult; var modules = okResult.Value as List <Module>; Assert.AreEqual(2, modules.Count); Assert.AreEqual(moduleData[0], modules[0]); Assert.AreEqual(moduleData[1], modules[1]); }