@Test(expected = IllegalStateException.class)
public void testQualifierEnsuresUniqueness() {
Bank bank = new Bank();
Client john = new Client();
john.setIdNumber("aaa1");
john.setSurname("Smith");
bank.addToClient(john);
Client joe = new Client();
joe.setIdNumber("aaa1");
john.setSurname("Clark");
bank.addToClient(joe);
}
@Test
public void testQualifierAsIndex() {
Bank bank = new Bank();
for (int i = 0; i < 10000; i++) {
Client client = new Client();
client.setIdNumber("aaa" + i);
if (i % 2 == 0) {
client.setSurname("aaa");
} else {
client.setSurname("bbb");
}
bank.addToClient(client);
}
db.commit();
// This getters will hit the index.
// Finding qualified properties are efficient.
Assert.assertEquals("aaa1", bank.getClientForIdNumberQualifier("aaa1").getIdNumber());
Assert.assertEquals("aaa1111", bank.getClientForIdNumberQualifier("aaa1111").getIdNumber());
Assert.assertEquals("aaa9999", bank.getClientForIdNumberQualifier("aaa9999").getIdNumber());
Assert.assertNull(bank.getClientForIdNumberQualifier("aaa10001"));
Assert.assertEquals(5000, bank.getClientForSurnameQualifier("aaa").size());
Assert.assertEquals(5000, bank.getClientForSurnameQualifier("bbb").size());
Assert.assertEquals(
"aaa", bank.getClientForSurnameQualifier("aaa").iterator().next().getSurname());
Assert.assertEquals(
"bbb", bank.getClientForSurnameQualifier("bbb").iterator().next().getSurname());
}