////////////////////// SUBSCRIBER RULES VERIFICATION ///////////////////////////
// Verifies rule: https://github.com/reactive-streams/reactive-streams-jvm#4.1
// A Processor
// must obey all Subscriber rules on its consuming side
public ISubscriber <T> CreateSubscriber(WhiteboxSubscriberProbe <T> probe)
{
var processor = CreateIdentityProcessor(_processorBufferSize);
processor.Subscribe(new ProcessorSubscriber(_environment, probe));
return(processor); // we run the SubscriberVerification against this
}
public WhiteboxTestStage(TestEnvironment environment, SubscriberWhiteboxVerification <T> verification, bool runDefaultInit = true) : base(environment)
{
_verification = verification;
if (runDefaultInit)
{
Publisher = CreateHelperPublisher(long.MaxValue);
Tees = Environment.NewManualSubscriber(Publisher);
Probe = new WhiteboxSubscriberProbe <T>(Environment, Subscriber);
Subscribe(verification.CreateSubscriber(Probe));
Probe.Puppet.ExpectCompletion(environment.DefaultTimeoutMilliseconds,
$"Subscriber {Sub} did not call `RegisterOnSubscribe`");
}
}
public ProcessorSubscriber(TestEnvironment environment, WhiteboxSubscriberProbe <T> probe)
{
_environment = environment;
_probe = probe;
_subscription = new Promise <ISubscription>(environment);
}
public override ISubscriber <T> CreateSubscriber(WhiteboxSubscriberProbe <T> probe) => _processor.CreateSubscriber(probe);
// USER API
/// <summary>
/// This is the main method you must implement in your test incarnation.
/// It must create a new <see cref="ISubscriber{T}"/> instance to be subjected to the testing logic.
///
/// In order to be meaningfully testable your Subscriber must inform the given
/// `WhiteboxSubscriberProbe` of the respective events having been received.
/// </summary>
public abstract ISubscriber <T> CreateSubscriber(WhiteboxSubscriberProbe <T> probe);