TestMultipleOneToOneIUD.java

package org.tests.basic;

import io.ebean.BaseTestCase;
import io.ebean.Ebean;
import org.tests.model.basic.OCar;
import org.tests.model.basic.OEngine;
import org.tests.model.basic.OGearBox;
import org.junit.Assert;
import org.junit.Test;

public class TestMultipleOneToOneIUD extends BaseTestCase {

  @Test
  public void test() {

    OEngine engine = new OEngine();
    engine.setShortDesc("engine 1");

    OGearBox gearBox = new OGearBox();
    gearBox.setBoxDesc("6 speed manual");
    gearBox.setSize(6);

    OCar car = new OCar();
    car.setVin("xx4534");
    car.setName("test car");
    car.setEngine(engine);

    Ebean.beginTransaction();
    try {
      Ebean.save(gearBox);
      Ebean.save(car);

      Assert.assertNotNull(car.getId());
      Assert.assertNotNull(engine.getEngineId());
      Assert.assertNotNull(gearBox.getId());

      Ebean.commitTransaction();

    } finally {
      Ebean.endTransaction();
    }

    OCar c2 = Ebean.find(OCar.class, car.getId());
    Assert.assertNotNull(c2);
    Assert.assertNotNull(c2.getEngine());
    // gearBox not assigned yet
    Assert.assertNull(c2.getGearBox());

    // ok, assign gearBox
    c2.setGearBox(gearBox);
    Ebean.save(c2);

    // now all should be there...
    OCar c3 = Ebean.find(OCar.class, car.getId());
    Assert.assertNotNull(c3);
    Assert.assertNotNull(c3.getEngine());
    Assert.assertNotNull(c3.getGearBox());

  }
}