public void PublishUIThreadWorks()
{
// This is needed because when testing, SynchronizationContext isn't set because we're not using a GUI. Test will fail without this because Context is null until a GUI sets it.
SynchronizationContext.SetSynchronizationContext(new SynchronizationContext());
var messageBroker = new HDByte.MessageBroker.Broker();
bool publishExecuted = false;
int checkBackgroundThreadID = 0;
Action <EventArgs> doSomethingOnBackgroundThread = (e) =>
{
publishExecuted = true;
checkBackgroundThreadID = Thread.CurrentThread.ManagedThreadId;
};
var tokenOne = messageBroker.Subscribe <EventArgs>(doSomethingOnBackgroundThread, ActionThread.UI);
Assert.That(publishExecuted, Is.EqualTo(false));
messageBroker.Publish(new EventArgs());
Thread.Sleep(200); // Give MessageBroker plenty of time to process action.
Assert.That(publishExecuted, Is.EqualTo(true));
Assert.That(checkBackgroundThreadID, Is.Not.EqualTo(messageBroker.GetBackgroundThreadID()));
}
public void IsSubscribedWorks()
{
var messageBroker = new HDByte.MessageBroker.Broker();
var token = messageBroker.Subscribe <EventArgs>(null);
Assert.That(messageBroker.IsSubscribed(token), Is.EqualTo(true));
Assert.That(messageBroker.IsSubscribed(new Guid()), Is.EqualTo(false));
}
public void AlwaysReturnsSameInstance()
{
var firstInstance = HDByte.MessageBroker.BrokerManager.GetBroker();
var secondInstance = new HDByte.MessageBroker.Broker();
var thirdInstance = HDByte.MessageBroker.BrokerManager.GetBroker();
Assert.That(firstInstance, Is.SameAs(thirdInstance));
Assert.That(firstInstance, Is.Not.SameAs(secondInstance));
}
public void UnsubscribeOnlyUnsubcribesGivenToken()
{
var messageBroker = new HDByte.MessageBroker.Broker();
var tokenOne = messageBroker.Subscribe <EventArgs>(null);
var tokenTwo = messageBroker.Subscribe <EventArgs>(null);
Assert.That(messageBroker.IsSubscribed(tokenOne), Is.EqualTo(true));
Assert.That(messageBroker.IsSubscribed(tokenTwo), Is.EqualTo(true));
messageBroker.Unsubscribe(tokenOne);
Assert.That(messageBroker.IsSubscribed(tokenOne), Is.EqualTo(false));
Assert.That(messageBroker.IsSubscribed(tokenTwo), Is.EqualTo(true));
}
public void PublishBackgroundThreadWorks()
{
var messageBroker = new HDByte.MessageBroker.Broker();
bool publishExecuted = false;
int executedThreadID = 0;
Action <EventArgs> doSomethingOnBackgroundThread = (e) =>
{
publishExecuted = true;
executedThreadID = Thread.CurrentThread.ManagedThreadId;
};
var tokenOne = messageBroker.Subscribe <EventArgs>(doSomethingOnBackgroundThread);
Assert.That(publishExecuted, Is.EqualTo(false));
messageBroker.Publish(new EventArgs());
Thread.Sleep(200); // Give MessageBroker plenty of time to process action.
Assert.That(publishExecuted, Is.EqualTo(true));
Assert.That(executedThreadID, Is.EqualTo(messageBroker.GetBackgroundThreadID()));
}
