public AppScopedHaContextProvider(IObservable <HassEvent> hassEventObservable,
EntityStateCache entityStateCache,
EntityAreaCache entityAreaCache,
IHassClient hassClient)
{
_entityStateCache = entityStateCache;
_entityAreaCache = entityAreaCache;
_hassClient = hassClient;
// Create ScopedObservables for this app
// This makes sure we will unsubscribe when this ContextProvider is Disposed
_scopedEventObservable = new ScopedObservable <HassEvent>(hassEventObservable);
_scopedStateObservable = new ScopedObservable <HassStateChangedEventData>(_entityStateCache.StateAllChanges);
}
public void WhenScopeIsDisposedSubscribersAreDetached()
{
var testSubject = new Subject <string>();
// Create 2 ScopedObservables for the same subject
var scoped1 = new ScopedObservable <string>(testSubject);
var scoped2 = new ScopedObservable <string>(testSubject);
// First scope has 2 subscribers, second has 1
var scope1AObserverMock = new Mock <IObserver <string> >();
var scope1BObserverMock = new Mock <IObserver <string> >();
scoped1.Subscribe(scope1AObserverMock.Object);
scoped1.Subscribe(scope1BObserverMock.Object);
var scope2ObserverMock = new Mock <IObserver <string> >();
scoped2.Subscribe(scope2ObserverMock.Object);
// Now start firing events
testSubject.OnNext("Event1");
scope1AObserverMock.Verify(o => o.OnNext("Event1"), Times.Once);
scope1BObserverMock.Verify(o => o.OnNext("Event1"), Times.Once);
scope2ObserverMock.Verify(o => o.OnNext("Event1"), Times.Once);
scoped1.Dispose();
testSubject.OnNext("Event2");
scope1AObserverMock.Verify(o => o.OnNext("Event2"), Times.Never, "Event should not reach Observer of disposed scope");
scope1BObserverMock.Verify(o => o.OnNext("Event2"), Times.Never, "Event should not reach Observer of disposed scope");
scope2ObserverMock.Verify(o => o.OnNext("Event2"), Times.Once);
scoped2.Dispose();
testSubject.OnNext("Event3");
scope1AObserverMock.Verify(o => o.OnNext("Event3"), Times.Never, "Event should not reach Observer of disposed scope");
scope1BObserverMock.Verify(o => o.OnNext("Event3"), Times.Never, "Event should not reach Observer of disposed scope");
scope2ObserverMock.Verify(o => o.OnNext("Event3"), Times.Never, "Event should not reach Observer of disposed scope");
}