Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package com.banda.truckmanagement; import com.banda.truckmanagement.config.AppConfig; import com.banda.truckmanagement.model.Vehicle; import com.banda.truckmanagement.polymorphism.services.AddNewVehicleService; import org.springframework.context.ApplicationContext; import org.springframework.context.annotation.AnnotationConfigApplicationContext; import static org.testng.Assert.assertTrue; import org.testng.annotations.AfterClass; import org.testng.annotations.AfterMethod; import org.testng.annotations.BeforeClass; import org.testng.annotations.BeforeMethod; import org.testng.annotations.Test; /** * * @author itsbryan */ public class PolymorphismTest { static AddNewVehicleService addNewHeavyDutyTruckServ; public PolymorphismTest() { } // TODO add test methods here. // The methods must be annotated with annotation @Test. For example: // // @Test // public void hello() {} @BeforeClass public static void setUpClass() throws Exception { ApplicationContext ctx = new AnnotationConfigApplicationContext(AppConfig.class); addNewHeavyDutyTruckServ = (AddNewVehicleService) ctx.getBean("addNewVehicle"); } @AfterClass public static void tearDownClass() throws Exception { } @BeforeMethod public void setUpMethod() throws Exception { } @AfterMethod public void tearDownMethod() throws Exception { } @Test public void polymorphismTest() { Vehicle heavyDutyTruck = addNewHeavyDutyTruckServ.addNewVehicle(); assertTrue(heavyDutyTruck instanceof Vehicle); } }