public void GivenSubscriber_WhenUnregister_ShouldNoLongerReceiveEvents()
{
var @event = new TestEvent("One");
var subscriber = new TestEventSubscriber();
var bus = new SimpleBus();
bus.Register(subscriber);
bus.Post(@event);
Assert.Single(subscriber.Events);
bus.Unregister(subscriber);
bus.Post(@event);
Assert.Single(subscriber.Events);
}
public void GivenSubscriber_WhenPost_ShouldSendEventToSubscriber()
{
var @event = new TestEvent("One");
var subscriber = new TestEventSubscriber();
var bus = new SimpleBus();
bus.Register(subscriber);
bus.Post(@event);
Assert.Single(subscriber.Events);
}
public void GivenMultipleSubscribers_WhenPost_ShouldSentEventToAllSubscribers()
{
var @event = new TestEvent("One");
var subscriber1 = new TestEventSubscriber();
var subscriber2 = new TestEventSubscriber();
var bus = new SimpleBus();
bus.Register(subscriber1)
.Register(subscriber2);
bus.Post(@event);
Assert.Single(subscriber1.Events);
Assert.Single(subscriber2.Events);
}
private void Replay()
{
var events = new EventList();
using (var conn = _configuration.CreateConnection())
{
conn.Open();
var cmd = conn.CreateCommand();
cmd.CommandText = "delete from Customer";
cmd.ExecuteNonQuery();
cmd = conn.CreateCommand();
cmd.CommandText = "select * from CustomerEvent order by eventDateTime asc";
var reader = cmd.ExecuteReader();
while (reader.Read())
{
events.Add(_eventSerializer.Deserialize((string)reader["eventType"], (byte[])reader["Data"]));
}
}
events.ForEach(x => _bus.Post(x));
}