@Test
public void testLookup() {
Lookup<IPriorityFoo> lookup = Lookups.getPriority(IPriorityFoo.class);
// This should only be ImplB, which has the highest priority.
IFoo myFoo = lookup.lookup();
LOG.info("Got foo implementation: " + myFoo.getClass().getName());
assertTrue(myFoo instanceof Providers.PriorityImplB);
String result = myFoo.getMessage();
LOG.info("Got result string: " + result);
assertEquals("priorityimplB", result);
}
@Test
public void testMultiLookup() {
Lookup<IPriorityFoo> lookup = Lookups.getPriority(IPriorityFoo.class);
// We should get back a list of providers, ImplB followed by ImplA,
// according to their priority order.
List<IFoo> foos = new ArrayList<IFoo>();
for (IFoo foo : lookup) {
foos.add(foo);
}
assertEquals("expected two implementations", 2, foos.size());
LOG.info("First impl class: " + foos.get(0).getClass().getName());
LOG.info("Second impl class: " + foos.get(1).getClass().getName());
assertTrue("expected implb first", foos.get(0) instanceof Providers.PriorityImplB);
assertTrue("expected impla next", foos.get(1) instanceof Providers.PriorityImplA);
}