ass1-jpa/src/test/java/dst/ass1/jpa/examples/ExampleTestWithCustomTestData.java

   1 package dst.ass1.jpa.examples;
   2
   3 import static org.hamcrest.CoreMatchers.is;
   4 import static org.junit.Assert.assertThat;
   5
   6 import java.util.List;
   7
   8 import javax.persistence.EntityManager;
   9
  10 import org.junit.Rule;
  11 import org.junit.Test;
  12
  13 import dst.ass1.jpa.ITestData;
  14 import dst.ass1.jpa.ORMService;
  15 import dst.ass1.jpa.dao.ICoursePlatformDAO;
  16 import dst.ass1.jpa.model.ICoursePlatform;
  17 import dst.ass1.jpa.model.IModelFactory;
  18
  19 /**
  20  * This examples shows how you can write your own tests with custom fixtures that are injected it into the
  21  * {@link ORMService} rule. Using rules instead of abstract tests is considered good practice as it follows the
  22  * principle of composition over inheritance.
  23  */
  24 public class ExampleTestWithCustomTestData {
  25
  26     @Rule
  27     public ORMService orm = new ORMService(new MyTestData());
  28
  29     @Test
  30     public void coursePlatformDAO_findAll_returnsCorrectValues() throws Exception {
  31         ICoursePlatformDAO coursePlatformDAO = orm.getDaoFactory().createCoursePlatformDAO();
  32
  33         List<ICoursePlatform> all = coursePlatformDAO.findAll();
  34
  35         assertThat(all.isEmpty(), is(false));
  36         assertThat(all.size(), is(2));
  37
  38         System.out.println(all);
  39     }
  40
  41     @Test
  42     public void coursePlatformDAO_findById_returnsCorrectValue() throws Exception {
  43         ICoursePlatformDAO coursePlatformDAO = orm.getDaoFactory().createCoursePlatformDAO();
  44
  45         ICoursePlatform actual = coursePlatformDAO.findById(1L);
  46
  47         assertThat(actual.getUrl(), is("http://cp1.example"));
  48     }
  49
  50     public static class MyTestData implements ITestData {
  51
  52         @Override
  53         public void insert(IModelFactory modelFactory, EntityManager em) {
  54             ICoursePlatform cp1 = modelFactory.createCoursePlatform();
  55             cp1.setName("cp1");
  56             cp1.setUrl("http://cp1.example");
  57
  58             ICoursePlatform cp2 = modelFactory.createCoursePlatform();
  59             cp2.setName("cp2");
  60             cp2.setUrl("http://cp1.example");
  61
  62             em.persist(cp1);
  63             em.persist(cp2);
  64
  65             em.flush(); // transaction is done through the ORMTestFixture
  66         }
  67     }
  68 }