Already in the persistence context

AlreadyInPersistenceContextTestCase.java

@Test
public void lazyLoaded() {
    Person husband = entityManager.find(Person.class, HUSBAND_ID);

    assertThat(husband).hasLazyLoaded("wife");
}

@Test
public void alreadyLoaded() {
    entityManager.find(Person.class, WIFE_ID);
    Person husband = entityManager.find(Person.class, HUSBAND_ID);

    assertThat(husband).hasEagerlyLoaded("wife");
}