void when_created()
{
EntityRepository repo = null;;
EntityRepositoryObserver observer = null;
before = () => {
repo = new EntityRepository(CID.NumComponents);
};
context["when observing with eventType OnEntityAdded"] = () => {
before = () => {
observer = new EntityRepositoryObserver(repo, Matcher.AllOf(new [] { CID.ComponentA }), EntityCollectionEventType.OnEntityAdded);
};
it["returns collected entities"] = () => {
var e = repo.CreateEntity();
e.AddComponentA();
var entities = observer.collectedEntities;
entities.Count.should_be(1);
entities.should_contain(e);
};
it["only returns matching collected entities"] = () => {
var e = repo.CreateEntity();
e.AddComponentA();
var e2 = repo.CreateEntity();
e2.AddComponentB();
var entities = observer.collectedEntities;
entities.Count.should_be(1);
entities.should_contain(e);
};
it["collects entites only once"] = () => {
var e = repo.CreateEntity();
e.AddComponentA();
e.RemoveComponentA();
e.AddComponentA();
var entities = observer.collectedEntities;
entities.Count.should_be(1);
entities.should_contain(e);
};
it["returns empty list when no entities were collected"] = () => {
observer.collectedEntities.should_be_empty();
};
it["clears collected entities on deactivation"] = () => {
var e = repo.CreateEntity();
e.AddComponentA();
observer.Deactivate();
observer.collectedEntities.should_be_empty();
};
it["doesn't collect entities when deactivated"] = () => {
observer.Deactivate();
var e = repo.CreateEntity();
e.AddComponentA();
observer.collectedEntities.should_be_empty();
};
it["continues collecting when activated"] = () => {
observer.Deactivate();
var e1 = repo.CreateEntity();
e1.AddComponentA();
observer.Activate();
var e2 = repo.CreateEntity();
e2.AddComponentA();
var entities = observer.collectedEntities;
entities.Count.should_be(1);
entities.should_contain(e2);
};
it["clears collected entites"] = () => {
var e = repo.CreateEntity();
e.AddComponentA();
observer.ClearCollectedEntites();
observer.collectedEntities.should_be_empty();
};
};
context["when observing with eventType OnEntityRemoved"] = () => {
before = () => {
observer = new EntityRepositoryObserver(repo, Matcher.AllOf(new [] { CID.ComponentA }), EntityCollectionEventType.OnEntityRemoved);
};
it["returns collected entities"] = () => {
var e = repo.CreateEntity();
e.AddComponentA();
observer.collectedEntities.should_be_empty();
e.RemoveComponentA();
var entities = observer.collectedEntities;
entities.Count.should_be(1);
entities.should_contain(e);
};
};
context["when observing with eventType OnEntityAddedOrRemoved"] = () => {
before = () => {
observer = new EntityRepositoryObserver(repo, Matcher.AllOf(new [] { CID.ComponentA }), EntityCollectionEventType.OnEntityAddedOrRemoved);
};
it["returns collected entities"] = () => {
var e = repo.CreateEntity();
e.AddComponentA();
var entities = observer.collectedEntities;
entities.Count.should_be(1);
entities.should_contain(e);
observer.ClearCollectedEntites();
e.RemoveComponentA();
entities = observer.collectedEntities;
entities.Count.should_be(1);
entities.should_contain(e);
};
};
}
public ReactiveEntitySystem(EntityRepository repo, IReactiveSubEntitySystem subSystem)
{
_subsystem = subSystem;
_observer = new EntityRepositoryObserver(repo, subSystem.GetTriggeringMatcher(), subSystem.GetEventType());
}
