public void SubscriptionStatistics()
{
// Arrange
var topicName = "SubStats";
var subName = topicName + "_Sub1";
var topic = _publisher.AddOrUpdateTopic(new Topic {
Name = topicName
});
var sub1 = _consumer.AddOrUpdateSubscription(new Subscription
{
Name = subName,
Ordered = true,
MaxDeliveries = 1,
TopicSubscriptions = new List <TopicSubscription> {
new TopicSubscription {
TopicId = topic.Id.Value, Enabled = true
}
},
});
var utcNow = DateTime.UtcNow;
var funcKey = "A";
// Create situation: failed-other (marked)
_publisher.Publish(topicName, eventName: topicName + "0", functionalKey: funcKey);
var ce = _consumer.ConsumeNext(sub1.Name).SingleOrDefault();
_consumer.MarkFailed(ce.Id, ce.DeliveryKey, Reason.Other("Some other reason"));
// Create situation: expired
_publisher.Publish(topicName, eventName: topicName + "1", functionalKey: funcKey, expirationDateUtc: utcNow);
Thread.Sleep(TimeSpan.FromSeconds(1)); // Expired for sure
// Create situation: maxDeliveriesReached
_publisher.Publish(topicName, eventName: topicName + "2", functionalKey: funcKey);
ce = _consumer.ConsumeNext(sub1.Name, visibilityTimeout: 1).SingleOrDefault();
Assert.Equal(topicName + "2", ce.EventName);
Thread.Sleep(TimeSpan.FromSeconds(1 + 1)); // Becomes visible again, but has reached maxDeliveries
// Create situation: overtaken
_publisher.Publish(topicName, eventName: topicName + "3", functionalKey: funcKey, publicationDateUtc: utcNow.AddSeconds(2));
ce = _consumer.ConsumeNext(sub1.Name).SingleOrDefault();
Assert.Equal(topicName + "3", ce.EventName);
_publisher.Publish(topicName, eventName: topicName + "4", functionalKey: funcKey, publicationDateUtc: utcNow.AddSeconds(-1));
_consumer.MarkConsumed(ce.Id, ce.DeliveryKey); // #4 is now overtaken
_publisher.Publish(topicName, eventName: topicName + "5", functionalKey: funcKey);
var statsBeforeHouseKeeping = _consumer.GetSubscriptionStatistics(utcNow.AddMinutes(-10), utcNow.AddMinutes(+10));
Assert.Equal(statsBeforeHouseKeeping.Single(s => s.Subscription.Id.Value == sub1.Id).Open, 4); // 4 open, since housekeeping has not yet moved them (3) to failed
Assert.Equal(statsBeforeHouseKeeping.Single(s => s.Subscription.Id.Value == sub1.Id).Consumed, 1);
Assert.Equal(statsBeforeHouseKeeping.Single(s => s.Subscription.Id.Value == sub1.Id).FailedExpired, 0);
Assert.Equal(statsBeforeHouseKeeping.Single(s => s.Subscription.Id.Value == sub1.Id).FailedMaxDeliveriesReached, 0);
Assert.Equal(statsBeforeHouseKeeping.Single(s => s.Subscription.Id.Value == sub1.Id).FailedOvertaken, 0);
Assert.Equal(statsBeforeHouseKeeping.Single(s => s.Subscription.Id.Value == sub1.Id).FailedOther, 1); // Does not need housekeeping to move it
_consumer.PerformHouseKeepingTasks();
var statsAfterHouseKeeping = _consumer.GetSubscriptionStatistics(utcNow.AddMinutes(-10), utcNow.AddMinutes(+10));
Assert.Equal(statsAfterHouseKeeping.Single(s => s.Subscription.Id.Value == sub1.Id).Open, 1);
Assert.Equal(statsAfterHouseKeeping.Single(s => s.Subscription.Id.Value == sub1.Id).Consumed, 1);
Assert.Equal(statsAfterHouseKeeping.Single(s => s.Subscription.Id.Value == sub1.Id).FailedExpired, 1);
Assert.Equal(statsAfterHouseKeeping.Single(s => s.Subscription.Id.Value == sub1.Id).FailedMaxDeliveriesReached, 1);
Assert.Equal(statsAfterHouseKeeping.Single(s => s.Subscription.Id.Value == sub1.Id).FailedOvertaken, 1);
Assert.Equal(statsAfterHouseKeeping.Single(s => s.Subscription.Id.Value == sub1.Id).FailedOther, 1);
}
