ass1-jpa/src/test/java/dst/ass1/jpa/tests/Ass1_3_1Test.java

   1 package dst.ass1.jpa.tests;
   2
   3 import static org.hamcrest.Matchers.greaterThan;
   4 import static org.junit.Assert.assertNotNull;
   5 import static org.junit.Assert.assertThat;
   6
   7 import java.util.Date;
   8
   9 import javax.persistence.EntityManager;
  10 import javax.persistence.EntityTransaction;
  11
  12 import org.junit.Rule;
  13 import org.junit.Test;
  14
  15 import dst.ass1.jpa.ORMService;
  16 import dst.ass1.jpa.model.IMaterial;
  17
  18 public class Ass1_3_1Test {
  19
  20     @Rule
  21     public ORMService orm = new ORMService();
  22
  23     @Test
  24     public void entityListener_prePersistSetsPropertiesCorrectly() throws InterruptedException {
  25         Date then = new Date();
  26         Thread.sleep(50);
  27
  28         EntityManager em = orm.getEntityManager();
  29
  30         IMaterial material1 = orm.getModelFactory().createMaterial();
  31
  32         material1.setUrn("material1");
  33
  34
  35         EntityTransaction tx;
  36         // persist
  37         tx = em.getTransaction();
  38         tx.begin();
  39         em.persist(material1);
  40         em.flush();
  41         tx.commit();
  42
  43         assertNotNull(material1.getUploaded());
  44         assertNotNull(material1.getLastUpdate());
  45
  46         assertThat(material1.getUploaded(), greaterThan(then));
  47         assertThat(material1.getLastUpdate(), greaterThan(then));
  48     }
  49
  50     @Test
  51     public void entityListener_preUpdateSetsPropertiesCorrectly() throws InterruptedException {
  52         EntityManager em = orm.getEntityManager();
  53
  54         IMaterial material1 = orm.getModelFactory().createMaterial();
  55
  56         material1.setUrn("material1");
  57
  58         EntityTransaction tx;
  59         // persist
  60         tx = em.getTransaction();
  61         tx.begin();
  62         em.persist(material1);
  63         em.flush();
  64         tx.commit();
  65
  66         Date then = new Date();
  67
  68         Thread.sleep(50);
  69
  70         // update
  71         tx = em.getTransaction();
  72         tx.begin();
  73         material1.setType("sometype");
  74         em.persist(material1);
  75         em.flush();
  76         tx.commit();
  77
  78         assertNotNull(material1.getLastUpdate());
  79         assertThat(material1.getLastUpdate(), greaterThan(then));
  80     }
  81
  82 }