public void GetClientTest() { //Arrange var mockRepo = new Mock <IClientRepository>(); mockRepo.Setup(x => x.GetObjectById <Cliente>(1)).Returns(new Cliente { Id = 1 }); var controller = new ClienteController(mockRepo.Object); //Act ActionResult <Cliente> actionResult = controller.ClienteById("1"); //var contentResult = actionResult.Result; //Assert Assert.AreEqual(1, actionResult.Value.Id); }