public void TestSingleEventWithCompetingConsumers()
{
var ircSettings = new InterRoleCommunicationSettings() { UseCompetingConsumers = true, EventWaitTimeout = TimeSpan.FromSeconds(10) };
using (InterRoleCommunicationExtension irc1 = new InterRoleCommunicationExtension(topicEndpoint, ircSettings))
using (InterRoleCommunicationExtension irc2 = new InterRoleCommunicationExtension(topicEndpoint, ircSettings))
using (InterRoleCommunicationExtension irc3 = new InterRoleCommunicationExtension(topicEndpoint, ircSettings))
using (InterRoleCommunicationExtension irc4 = new InterRoleCommunicationExtension(topicEndpoint, ircSettings))
{
var subscriber1 = new EventCountingSubscriber();
irc1.Subscribe(subscriber1);
irc2.Subscribe(subscriber1);
irc3.Subscribe(subscriber1);
irc4.Subscribe(subscriber1);
InterRoleCommunicationEvent ev = new InterRoleCommunicationEvent(new RoleGracefulRecycleEvent(typeof(TopicBasedInterRoleCommunicationTests).FullName));
irc1.Publish(ev);
irc1.Publish(ev);
irc1.Publish(ev);
Thread.Sleep(irc4.Settings.EventWaitTimeout.Add(TimeSpan.FromSeconds(5)));
Assert.AreEqual<int>(3, subscriber1.OnNextCount);
}
}
public void TestMultipleEvents()
{
using (InterRoleCommunicationExtension ircExtension = new InterRoleCommunicationExtension(topicEndpoint, new InterRoleCommunicationSettings() { EnableCarbonCopy = true }))
{
var subscriber1 = new EventCountingSubscriber();
ircExtension.Subscribe(subscriber1);
int eventCount = 100;
int waitAttemptCount = 0;
for (int i = 0; i < eventCount; i++)
{
ircExtension.Publish(new InterRoleCommunicationEvent(new RoleConfigurationSectionRefreshEvent(String.Format("Message #{0}", i))));
}
while (subscriber1.OnNextCount != eventCount)
{
Thread.Sleep(ircExtension.Settings.EventWaitTimeout.Add(TimeSpan.FromSeconds(5)));
waitAttemptCount++;
if (waitAttemptCount > 10) break;
}
Assert.AreEqual<int>(eventCount, subscriber1.OnNextCount);
}
}
public void TestSingleEventWithMultipleSubscribers()
{
using (InterRoleCommunicationExtension ircExtension = new InterRoleCommunicationExtension(topicEndpoint, new InterRoleCommunicationSettings() { EnableCarbonCopy = true }))
{
var subscriber1 = new EventCountingSubscriber();
var subscriber2 = new EventCountingSubscriber();
var subscriber3 = new EventCountingSubscriber();
ircExtension.Subscribe(subscriber1);
ircExtension.Subscribe(subscriber2);
ircExtension.Subscribe(subscriber3);
InterRoleCommunicationEvent ev = new InterRoleCommunicationEvent(new RoleGracefulRecycleEvent(typeof(TopicBasedInterRoleCommunicationTests).FullName));
ircExtension.Publish(ev);
Thread.Sleep(ircExtension.Settings.EventWaitTimeout.Add(TimeSpan.FromSeconds(5)));
Assert.AreEqual<int>(1, subscriber1.OnNextCount);
Assert.AreEqual<int>(1, subscriber2.OnNextCount);
Assert.AreEqual<int>(1, subscriber3.OnNextCount);
}
}
public void TestSingleEventWithNetworkFaultSimulation()
{
try
{
using (InterRoleCommunicationExtension ircExtension = new InterRoleCommunicationExtension(topicEndpoint, new InterRoleCommunicationSettings() { EnableCarbonCopy = true, EnableAsyncPublish = false, EventWaitTimeout = TimeSpan.FromSeconds(3) }))
{
bool retryOccurred = false;
ircExtension.Settings.RetryPolicy.RetryOccurred += (currentRetryCount, ex, delay) =>
{
retryOccurred = true;
NetworkUtility.EnableNetworkAdapter();
};
var subscriber1 = new EventCountingSubscriber();
ircExtension.Subscribe(subscriber1);
NetworkUtility.DisableNetworkAdapter();
InterRoleCommunicationEvent ev = new InterRoleCommunicationEvent(new RoleGracefulRecycleEvent(typeof(TopicBasedInterRoleCommunicationTests).FullName));
ircExtension.Publish(ev);
while (subscriber1.OnNextCount == 0)
{
Thread.Sleep(ircExtension.Settings.EventWaitTimeout.Add(TimeSpan.FromSeconds(5)));
}
Assert.IsTrue(retryOccurred, "A retry condition does not seem to have occurred.");
Assert.AreEqual<int>(1, subscriber1.OnNextCount);
}
}
finally
{
NetworkUtility.EnableNetworkAdapter();
}
}