public void RetryOnVisibilityTimeout()
{
// Arrange
var topicName = "Ordered.VisibilityTimemout";
var subName = topicName + "_Sub1";
var topic = _publisher.AddOrUpdateTopic(new Topic {
Name = topicName
});
var sub1 = _consumer.AddOrUpdateSubscription(new Subscription
{
Name = subName,
Ordered = true,
DeliveryDelay = 1,
TimeToLive = 60,
MaxDeliveries = 0,
TopicSubscriptions = new List <TopicSubscription> {
new TopicSubscription {
TopicId = topic.Id.Value, Enabled = true
}
},
});
var publishedDateUtcBaseLine = DateTime.UtcNow.AddSeconds(-10); // Explicitly setting publicationdates to make sure none are the same!
_publisher.Publish(topicName, payload: "1", functionalKey: "1", publicationDateUtc: publishedDateUtcBaseLine.AddSeconds(1));
_publisher.Publish(topicName, payload: "2", functionalKey: "1", publicationDateUtc: publishedDateUtcBaseLine.AddSeconds(2));
var visibilityTimeout = 1;
var e = _consumer.ConsumeNext(subName, visibilityTimeout: visibilityTimeout).SingleOrDefault();
Assert.Equal("1", e.Payload);
e = _consumer.ConsumeNext(subName, visibilityTimeout: visibilityTimeout).SingleOrDefault();
Assert.Null(e); // event(payload) 2 has same functional key and should not be delivered yet
// Try several times to make sure we don't run into race conditions
for (int attempt = 0; attempt < 20; attempt++)
{
// Now wait until p1 expires
do
{
Thread.Sleep(2); // Not too long
e = _consumer.ConsumeNext(subName, visibilityTimeout: visibilityTimeout).SingleOrDefault();
} while (e == null);
Assert.Equal("1", e.Payload); // p1 should be delivered once again!
}
// Now mark it consumed and get the next event
_consumer.MarkConsumed(e.Id, e.DeliveryKey); // p1 should be gone, so p2 can be delivered
e = _consumer.ConsumeNext(subName, visibilityTimeout: visibilityTimeout).SingleOrDefault();
Assert.Equal("2", e.Payload); // p2 should now be delivered, since p1 has been consumed on the second attempt
}
public void Expiration()
{
// Arrange
var topicName = "HousekeepingTests.Expiration";
var subName = topicName + "_Sub1";
var topic = _publisher.AddOrUpdateTopic(new Topic {
Name = topicName
});
var sub1 = _consumer.AddOrUpdateSubscription(new Subscription
{
Name = subName,
TopicSubscriptions = new List <TopicSubscription> {
new TopicSubscription {
TopicId = topic.Id.Value, Enabled = true
}
},
});
var utcNow = DateTime.UtcNow;
_publisher.Publish(topicName, eventName: topicName + "1", expirationDateUtc: utcNow.AddSeconds(5), payload: "1");
_publisher.Publish(topicName, eventName: topicName + "2", expirationDateUtc: utcNow.AddSeconds(5), payload: "2");
_publisher.Publish(topicName, eventName: topicName + "3", expirationDateUtc: utcNow.AddMinutes(15), payload: "3");
var visibilityTimeout = 1; // Must expire asap
var ce1 = _consumer.ConsumeNext(subName, visibilityTimeout: visibilityTimeout).SingleOrDefault();
var ce2 = _consumer.ConsumeNext(subName, visibilityTimeout: 10).SingleOrDefault(); // Still invisible after expiration
var ce3 = _consumer.ConsumeNext(subName, visibilityTimeout: visibilityTimeout).SingleOrDefault();
Assert.Equal("1", ce1.Payload); // Not yet expired
Assert.Equal("2", ce2.Payload);
Assert.Equal("3", ce3.Payload);
Thread.Sleep(TimeSpan.FromSeconds(5 + 1));
_consumer.PerformHouseKeepingTasks();
// Check that only 1 se in table
var eventNames = _fixture.GetEventNamesForFailedEvents(sub1.Id.Value);
Assert.Equal(1, eventNames.Count);
Assert.Equal(topicName + "1", eventNames.First());
// 2 has expired, but is still invisible, so may still be processed
}
public void VisibilityTimeout()
{
// Arrange
var topicName = "Consuming.BasicTests.VisibilityTimeout";
var subName = topicName + "_Sub1";
var topic = _publisher.AddOrUpdateTopic(new Topic {
Name = topicName
});
var sub1 = _consumer.AddOrUpdateSubscription(new Subscription
{
Name = subName,
TopicSubscriptions = new List <TopicSubscription> {
new TopicSubscription {
TopicId = topic.Id.Value, Enabled = true
}
},
});
_publisher.Publish(topicName);
var visibilityTimeout = 2;
var ce1 = _consumer.ConsumeNext(subName, visibilityTimeout: visibilityTimeout).SingleOrDefault();
Assert.NotNull(ce1);
var ce2 = _consumer.ConsumeNext(subName).SingleOrDefault();
Assert.Null(ce2); // Locked, so should not be returned.
Thread.Sleep(TimeSpan.FromSeconds(visibilityTimeout + 1)); // Wait until visibilitytimeout has expired
ce2 = _consumer.ConsumeNext(subName).SingleOrDefault();
Assert.NotNull(ce2); // Should be unlocked again
}
public void PublicationDate_Default()
{
// Arrange
var topicName = "StandardOrderingTests.PublicationDate_Default";
var subName = topicName + "_Sub1";
var topic = _publisher.AddOrUpdateTopic(new Topic {
Name = topicName
});
var sub1 = _consumer.AddOrUpdateSubscription(new Subscription
{
Name = subName, // When ordered not set, delivery should still be ordered on publicationdateutc
TopicSubscriptions = new List <TopicSubscription> {
new TopicSubscription {
TopicId = topic.Id.Value, Enabled = true
}
},
});
_publisher.Publish(topicName, payload: "1");
Thread.Sleep(100); // To make sure publicationdateutc is not equal for each item
_publisher.Publish(topicName, payload: "2");
Thread.Sleep(100);
_publisher.Publish(topicName, payload: "3");
var visibilityTimeout = 2;
var ce1 = _consumer.ConsumeNext(subName, visibilityTimeout: visibilityTimeout).SingleOrDefault();
var ce2 = _consumer.ConsumeNext(subName, visibilityTimeout: visibilityTimeout).SingleOrDefault();
var ce3 = _consumer.ConsumeNext(subName, visibilityTimeout: visibilityTimeout).SingleOrDefault();
Assert.Equal("1", ce1.Payload);
Assert.Equal("2", ce2.Payload);
Assert.Equal("3", ce3.Payload);
_consumer.MarkConsumed(ce2.Id, ce2.DeliveryKey); // ce2 should be gone
Thread.Sleep(TimeSpan.FromSeconds(visibilityTimeout + 1)); // Wait until visibilitytimeout of all items (+1) has expired
ce1 = _consumer.ConsumeNext(subName, visibilityTimeout: visibilityTimeout).SingleOrDefault();
ce3 = _consumer.ConsumeNext(subName, visibilityTimeout: visibilityTimeout).SingleOrDefault();
Assert.Equal("1", ce1.Payload);
Assert.Equal("3", ce3.Payload);
}
public void AddTopic()
{
// Arrange
var topicName = "Publishing.TopicTests.AddTopic";
var topicNotes = "0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789";
// Act
var returnedTopic = _publisher.AddOrUpdateTopic(new Topic { Name = topicName, Notes = topicNotes });
// Assert
Assert.Equal(topicName, returnedTopic.Name);
Assert.Equal(topicNotes, returnedTopic.Notes);
Assert.True(returnedTopic.Id.HasValue);
Assert.True(returnedTopic.Id.Value > 0);
}
public void PublishComplete()
{
// Arrange
var topicName = "Publishing.PublishTests.PublishComplete";
var topic = _publisher.AddOrUpdateTopic(new Topic {
Name = topicName
});
var sub = _consumer.AddOrUpdateSubscription(new Subscription
{
Name = Guid.NewGuid().ToString(),
TopicSubscriptions = new List <TopicSubscription> {
new TopicSubscription {
TopicId = topic.Id.Value, Enabled = true,
}
}
});
var publicationDateUtc = DateTime.UtcNow.AddMinutes(1); // Overriding default (which is UtcNow)
var expirationDateUtc = DateTime.UtcNow.AddMinutes(5);
var eventName = "Name of the Event";
var functionalKey = "F1";
var priority = 10;
var headers = new Dictionary <string, string>
{
{ "EventName", "Order.Purchased" },
{ "MessageId", Guid.NewGuid().ToString() },
};
var payload = "Hello";
// Act
var topicEvent = _publisher.Publish(topicName,
eventName: eventName,
publicationDateUtc: publicationDateUtc,
expirationDateUtc: expirationDateUtc,
functionalKey: functionalKey,
priority: priority,
headers: headers,
payload: payload);
// Assert
Assert.NotNull(topicEvent.Id);
Assert.Equal(topic.Id.Value, topicEvent.TopicId);
Assert.Equal(eventName, topicEvent.EventName);
Assert.Equal(publicationDateUtc, topicEvent.PublicationDateUtc);
Assert.Equal(expirationDateUtc, topicEvent.ExpirationDateUtc);
Assert.Equal(functionalKey, topicEvent.FunctionalKey);
Assert.Equal(priority, topicEvent.Priority);
Assert.NotNull(topicEvent.Headers);
Assert.Equal(headers.Count, topicEvent.Headers.Count);
Assert.True(headers.All(h => topicEvent.Headers.Any(teH => teH.Key == h.Key)));
Assert.True(headers.All(h => h.Value == topicEvent.Headers[h.Key]));
Assert.NotNull(topicEvent.PayloadId); // Cannot check payload here
// Act
var consumableEvent = _consumer.ConsumeNext(sub.Name).SingleOrDefault();
// Assert
Assert.NotNull(consumableEvent);
Assert.NotNull(consumableEvent.Id);
Assert.Equal(eventName, consumableEvent.EventName);
Assert.Equal(functionalKey, consumableEvent.FunctionalKey);
Assert.Equal(payload, consumableEvent.Payload);
// Other properties do not exist on an consumable event
}
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);
}