@Test
public void canImportXml() throws JAXBException {
JAXBContext context = JAXBContext.newInstance(getClass().getPackage().getName());
Unmarshaller unmarshaller = context.createUnmarshaller();
Object result = unmarshaller.unmarshal(getClass().getClassLoader().getResource("backup.xml"));
assertTrue(result instanceof Snapshot);
Snapshot backUp = (Snapshot) result;
assertNotNull(backUp);
assertThat(backUp.getPrincipals().size(), is(5));
assertThat(backUp.getMessageBoxes().size(), is(10));
assertThat(backUp.getMembers().size(), is(5));
assertThat(backUp.getMessages().size(), is(9));
Member member0 = backUp.getMembers().get(0);
assertThat(member0.getFirstName(), is("Alfred"));
assertThat(member0.getInbox(), is(backUp.getMessageBoxes().get(0)));
assertThat(member0.getSentItems(), is(backUp.getMessageBoxes().get(1)));
Member member1 = backUp.getMembers().get(1);
assertThat(member1.getFirstName(), is("Ben"));
assertThat(member1.getInbox(), is(backUp.getMessageBoxes().get(2)));
assertThat(member1.getSentItems(), is(backUp.getMessageBoxes().get(3)));
Member member2 = backUp.getMembers().get(2);
assertThat(member2.getFirstName(), is("Chris"));
assertThat(member2.getInbox(), is(backUp.getMessageBoxes().get(4)));
assertThat(member2.getSentItems(), is(backUp.getMessageBoxes().get(5)));
}
