Junit TestCase as reference for beginners

Easy reference for beginners

import java.util.List;

import junit.framework.TestCase;
import junit.framework.TestSuite;

import org.springframework.beans.factory.xml.XMLBeanFactory;
import org.springframework.core.io.ClassPathResource;

import dataAccess.ContactMeDao;
import dto.AdmetDTO;

public class ContactMeDaoTest extends TestCase {         
             ContactMeDao contactMeDao = null;
             public ContactMeDaoTest(String arg) {
                  super(arg);
                  XMLBeanFactory beanFactory = new XMLBeanFactory(new ClassPathResource(resource/ApplicationContext.xml);
                 contactMeDao = (ContactMeDao )beanFactory .getBean("contactMeDao");
              }

               public static TestSuite suite() {
                      TestSuite  suite = new TestSuite();
                       suite.addTest(new ContactMeDaoTest ("testPrintMe)); 
                       return suite;
                }

                //AdmetDTO is DTO class in which data is returned from DB layer.
                //We are Unit testing printMe function of lass named ContactMeDao
                public void printMe() {
                        List<AdmetDTO> list = contactMeDao.printMe();
                        assertNotNull(list);
                }
}