Example #1
0
        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
        }
Example #2
0
        public void PublishNoLog()
        {
            // Arrange
            var topicName = "Publishing.PublishTests.PublishNoLog";
            var topic     = _publisher.AddOrUpdateTopic(new Topic {
                Name = topicName, Log = false
            });
            var sub = _consumer.AddOrUpdateSubscription(new Subscription
            {
                Name = Guid.NewGuid().ToString(),
                TopicSubscriptions = new List <TopicSubscription> {
                    new TopicSubscription {
                        TopicId = topic.Id.Value, Enabled = true,
                    }
                }
            });

            // Act
            var topicEvent = _publisher.Publish(topicName);

            Thread.Sleep(TimeSpan.FromMilliseconds(200)); // To make sure that DateTime.UtcNow returns a later datetime than during the Publish-call

            // Assert
            Assert.Null(topicEvent.Id);
            Assert.Null(topicEvent.EventName);
            Assert.Equal(topic.Id.Value, topicEvent.TopicId);
            Assert.NotNull(topicEvent.PublicationDateUtc);
            Assert.True(topicEvent.PublicationDateUtc < DateTime.UtcNow);                // Older than now
            Assert.True(topicEvent.PublicationDateUtc > DateTime.UtcNow.AddMinutes(-1)); // Less than a minute old
            Assert.Equal(MaxDateTime, topicEvent.ExpirationDateUtc);
            Assert.Equal(string.Empty, topicEvent.FunctionalKey);
            Assert.Equal(100, topicEvent.Priority);
            Assert.Null(topicEvent.Headers);
            Assert.Null(topicEvent.PayloadId);

            // Act
            var consumableEvent = _consumer.ConsumeNext(sub.Name).SingleOrDefault();

            // Assert
            Assert.NotNull(consumableEvent);
            Assert.NotNull(consumableEvent.Id);
            Assert.Null(consumableEvent.EventName);
            Assert.Equal(string.Empty, consumableEvent.FunctionalKey);
            Assert.Null(consumableEvent.Payload);
            // Other properties do not exist on an consumable event

            // Consume it, to make sure the missing topicEvent is not a problem
            _consumer.MarkConsumed(consumableEvent.Id, consumableEvent.DeliveryKey);
        }
Example #3
0
        public void NoLog()
        {
            // Arrange
            var topicName = "Consuming.BasicTests.NoLog";
            var subName   = topicName + "_Sub1";
            var topic     = _publisher.AddOrUpdateTopic(new Topic {
                Name = topicName, Log = false
            });                                                                                   // Log-flag should not matter, but just for sure
            var sub1 = _consumer.AddOrUpdateSubscription(new Subscription
            {
                Name               = subName,
                LogConsumed        = false,
                LogFailed          = false,
                TopicSubscriptions = new List <TopicSubscription> {
                    new TopicSubscription {
                        TopicId = topic.Id.Value, Enabled = true
                    }
                },
            });

            _publisher.Publish(topicName);
            _publisher.Publish(topicName);

            var ce1 = _consumer.ConsumeNext(subName).SingleOrDefault();

            Assert.NotNull(ce1);
            _consumer.MarkConsumed(ce1.Id, ce1.DeliveryKey);

            var ce2 = _consumer.ConsumeNext(subName).SingleOrDefault();

            Assert.NotNull(ce2);
            _consumer.MarkFailed(ce2.Id, ce2.DeliveryKey, Reason.Other("Whatever reason"));
        }
Example #4
0
        public void Overtaken()
        {
            // Arrange
            var topicName = "HousekeepingTests.Overtaken";
            var subName   = topicName + "_Sub1";
            var topic     = _publisher.AddOrUpdateTopic(new Topic {
                Name = topicName
            });
            var sub1 = _consumer.AddOrUpdateSubscription(new Subscription
            {
                Name               = subName,
                Ordered            = true,
                TopicSubscriptions = new List <TopicSubscription> {
                    new TopicSubscription {
                        TopicId = topic.Id.Value, Enabled = true
                    }
                },
            });

            var utcNow  = DateTime.UtcNow;
            var funcKey = "A";

            _publisher.Publish(topicName, eventName: topicName + "1", publicationDateUtc: utcNow, functionalKey: funcKey);
            var ce = _consumer.ConsumeNext(subName).SingleOrDefault();

            _consumer.MarkConsumed(ce.Id, ce.DeliveryKey);
            _publisher.Publish(topicName, eventName: topicName + "2", publicationDateUtc: utcNow.AddSeconds(-1), functionalKey: funcKey);
            ce = _consumer.ConsumeNext(subName).SingleOrDefault();
            Assert.Null(ce); // Already overtaken, so should not be delivered

            _consumer.PerformHouseKeepingTasks();

            // Check that only 1 se in table
            var eventNames = _fixture.GetEventNamesForFailedEvents(sub1.Id.Value);

            Assert.Equal(1, eventNames.Count);
            Assert.Equal(topicName + "2", eventNames.First());
        }
        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);
        }
Example #6
0
        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);
        }