public void subscription_is_added_to_source_after_first_subscription()
{
var subject = new StatsSubject <int>();
var refCount = subject.Publish().RefCount();
Assert.AreEqual(0, subject.SubscriptionCount);
refCount.Subscribe(new Subject <int>());
Assert.AreEqual(1, subject.SubscriptionCount);
}
public void subscription_is_added_to_source_after_first_subscription()
{
var subject = new StatsSubject<int>();
var refCount = subject.Publish().RefCount();
Assert.AreEqual(0, subject.SubscriptionCount);
refCount.Subscribe(new Subject<int>());
Assert.AreEqual(1, subject.SubscriptionCount);
}
public void multiple_subscriptions_do_not_cause_subscriptions_to_the_source()
{
var subject = new StatsSubject<int>();
var refCount = subject.Publish().RefCount();
refCount.Subscribe(new Subject<int>());
Assert.AreEqual(1, subject.SubscriptionCount);
refCount.Subscribe(new Subject<int>());
Assert.AreEqual(1, subject.SubscriptionCount);
}
public void multiple_subscriptions_do_not_cause_subscriptions_to_the_source()
{
var subject = new StatsSubject <int>();
var refCount = subject.Publish().RefCount();
refCount.Subscribe(new Subject <int>());
Assert.AreEqual(1, subject.SubscriptionCount);
refCount.Subscribe(new Subject <int>());
Assert.AreEqual(1, subject.SubscriptionCount);
}
public void subscriptions_is_disposed_after_last_child_susbcription_is_disposed()
{
var subject = new StatsSubject<int>();
var refCount = subject.Publish().RefCount();
var subscriptionA = refCount.Subscribe(new Subject<int>());
var subscriptionB = refCount.Subscribe(new Subject<int>());
Assert.AreEqual(1, subject.SubscriptionCount);
subscriptionA.Dispose();
Assert.AreEqual(1, subject.SubscriptionCount);
subscriptionB.Dispose();
Assert.AreEqual(0, subject.SubscriptionCount);
}
public void values_are_received_by_all_subscriptions()
{
var subject = new StatsSubject <int>();
var statsA = new StatsObserver <int>();
var statsB = new StatsObserver <int>();
var refCount = subject.Publish().RefCount();
var subscriptionA = refCount.Subscribe(statsA);
var subscriptionB = refCount.Subscribe(statsB);
subject.OnNext(0);
Assert.AreEqual(1, statsA.NextCount);
Assert.AreEqual(1, statsB.NextCount);
}
public void subscriptions_is_disposed_after_last_child_susbcription_is_disposed()
{
var subject = new StatsSubject <int>();
var refCount = subject.Publish().RefCount();
var subscriptionA = refCount.Subscribe(new Subject <int>());
var subscriptionB = refCount.Subscribe(new Subject <int>());
Assert.AreEqual(1, subject.SubscriptionCount);
subscriptionA.Dispose();
Assert.AreEqual(1, subject.SubscriptionCount);
subscriptionB.Dispose();
Assert.AreEqual(0, subject.SubscriptionCount);
}
public void errors_cause_unsubscription_of_everything()
{
var subject = new StatsSubject<int>();
var statsA = new StatsObserver<int>();
var statsB = new StatsObserver<int>();
var refCount = subject.Publish().RefCount();
var subscriptionA = refCount.Subscribe(statsA);
var subscriptionB = refCount.Subscribe(statsB);
subject.OnError(new Exception());
Assert.AreEqual(1, statsA.ErrorCount);
Assert.AreEqual(1, statsB.ErrorCount);
Assert.AreEqual(0, subject.SubscriptionCount);
}
public void errors_cause_unsubscription_of_everything()
{
var subject = new StatsSubject <int>();
var statsA = new StatsObserver <int>();
var statsB = new StatsObserver <int>();
var refCount = subject.Publish().RefCount();
var subscriptionA = refCount.Subscribe(statsA);
var subscriptionB = refCount.Subscribe(statsB);
subject.OnError(new Exception());
Assert.AreEqual(1, statsA.ErrorCount);
Assert.AreEqual(1, statsB.ErrorCount);
Assert.AreEqual(0, subject.SubscriptionCount);
}
public void values_are_not_received_by_unsubscribed_observers()
{
var subject = new StatsSubject<int>();
var statsA = new StatsObserver<int>();
var statsB = new StatsObserver<int>();
var refCount = subject.Publish().RefCount();
var subscriptionA = refCount.Subscribe(statsA);
refCount.Subscribe(statsB).Dispose();
subject.OnNext(0);
Assert.AreEqual(1, statsA.NextCount);
Assert.AreEqual(0, statsB.NextCount);
}
