/**
* This test will fail because JPA does an update before inserting the new records. The update
* will set the foreign key to null, which violates the not null constraint.
*/
@Test
public void test_replace_collection_with_unidirectional_relation() {
em.getTransaction().begin();
Person p = em.find(Person.class, 201L);
final ArrayList<Car> cars = new ArrayList<Car>();
p.addCar(new Car("Ferrari"));
p.setCars(cars);
em.flush();
em.getTransaction().commit();
}
private void setupTest() {
Person p = new Person("Sjaak");
p.addCar(new Car("Opel"));
em.persist(p);
}
private void setupUnidirectional() {
Person remko = new Person("Remko");
remko.addCar(new Car("Maserati"));
em.persist(remko);
}