public void GettingTopicAfterNoSubscriptionsStateSetsStateToHasSubscriptions()
{
var dr = new DefaultDependencyResolver();
var configuration = dr.Resolve<IConfigurationManager>();
configuration.DisconnectTimeout = TimeSpan.Zero;
using (var bus = new MessageBus(dr))
{
var subscriber = new TestSubscriber(new[] { "key" });
// Make sure the topic is in the no subs state
bus.Subscribe(subscriber, null, _ => TaskAsyncHelper.True, 10)
.Dispose();
Topic topic = bus.GetTopic("key");
Assert.Equal(1, bus.Topics.Count);
Assert.True(bus.Topics.TryGetValue("key", out topic));
Assert.Equal(TopicState.HasSubscriptions, topic.State);
}
}
public void GetTopicDoesNotChangeStateWhenNotDying()
{
var dr = new DefaultDependencyResolver();
var configuration = dr.Resolve<IConfigurationManager>();
configuration.DisconnectTimeout = TimeSpan.FromSeconds(6);
configuration.KeepAlive = null;
using (var bus = new MessageBus(dr))
{
bus.Subscribe(new TestSubscriber(new[] { "key" }), null, (result, state) => TaskAsyncHelper.True, 10, null);
Topic topic;
Assert.True(bus.Topics.TryGetValue("key", out topic));
Assert.Equal(TopicState.HasSubscriptions, topic.State);
topic = bus.GetTopic("key");
Assert.Equal(TopicState.HasSubscriptions, topic.State);
topic.RemoveSubscription(topic.Subscriptions.First());
Assert.Equal(TopicState.NoSubscriptions, topic.State);
topic = bus.GetTopic("key");
Assert.Equal(TopicState.NoSubscriptions, topic.State);
topic.State = TopicState.Dying;
topic = bus.GetTopic("key");
Assert.Equal(TopicState.NoSubscriptions, topic.State);
}
}
public void GarbageCollectingTopicsBeforeGettingTopicSetsStateToHasSubscriptions()
{
var dr = new DefaultDependencyResolver();
var configuration = dr.Resolve<IConfigurationManager>();
configuration.DisconnectTimeout = TimeSpan.Zero;
configuration.KeepAlive = 0;
using (var bus = new MessageBus(dr))
{
bus.BeforeTopicMarked = (key, t) =>
{
bus.GarbageCollectTopics();
};
Topic topic = bus.GetTopic("key");
Assert.Equal(1, bus.Topics.Count);
Assert.True(bus.Topics.TryGetValue("key", out topic));
Assert.Equal(TopicState.HasSubscriptions, topic.State);
}
}
