@Test
public void testAddEventExceedsHistorySize() {
EventManager manager = new EventManagerImpl(1);
Event e1 = new Event("1", "Event1", Category.INFO, 0);
Event e2 = new Event("1", "Event2", Category.INFO, 1);
manager.addEvent(e1);
manager.addEvent(e2);
List<Event> events = manager.getEvents("1");
// assert oldest evicted
assertEquals(Arrays.asList(e2), events);
}
@Test
public void testGetEvents() {
EventManager manager = new EventManagerImpl(2);
Event e1 = new Event("1", "Event1", Category.INFO, 0);
Event e2 = new Event("1", "Event2", Category.INFO, 1);
manager.addEvent(e1);
manager.addEvent(e2);
List<Event> events = manager.getEvents("1");
// assert newest to oldest
assertEquals(Arrays.asList(e2, e1), events);
}
@Test
public void testClearHistory() {
EventManager manager = new EventManagerImpl(1);
Event e1 = new Event("1", "Event1", Category.INFO, 0);
Event e2 = new Event("1", "Event2", Category.INFO, 1);
manager.addEvent(e1);
manager.addEvent(e2);
manager.clearEventHistory("1");
// assert oldest evicted
assertTrue(manager.getEvents("1").isEmpty());
}
@Test
public void testGetEventsUnknownSource() {
EventManager manager = new EventManagerImpl(1);
assertEquals(Collections.EMPTY_LIST, manager.getEvents("unknown value"));
}