public async Task RetryAndSkipPolicies_JsonChunkSequenceStillFailingAfterRetries_OffsetCommitted()
        {
            var tryCount = 0;

            var serviceProvider = Host.ConfigureServices(
                services => services
                .AddLogging()
                .AddSilverback()
                .UseModel()
                .WithConnectionToMessageBroker(
                    options => options.AddMockedKafka(
                        mockedKafkaOptions => mockedKafkaOptions.WithDefaultPartitionsCount(1)))
                .AddEndpoints(
                    endpoints => endpoints
                    .AddOutbound <IIntegrationEvent>(
                        new KafkaProducerEndpoint(DefaultTopicName)
            {
                Chunk = new ChunkSettings
                {
                    Size = 10
                }
            })
                    .AddInbound(
                        new KafkaConsumerEndpoint(DefaultTopicName)
            {
                Configuration = new KafkaConsumerConfig
                {
                    GroupId          = "consumer1",
                    EnableAutoCommit = false,
                    CommitOffsetEach = 1
                },
                ErrorPolicy = ErrorPolicy.Chain(
                    ErrorPolicy.Retry().MaxFailedAttempts(10),
                    ErrorPolicy.Skip())
            }))
                .AddSingletonBrokerBehavior <SpyBrokerBehavior>()
                .AddDelegateSubscriber(
                    (IIntegrationEvent _, IServiceProvider sp) =>
            {
                var logger = sp.GetRequiredService <ISilverbackLogger <ErrorHandlingTests> >();
                tryCount++;
                logger.LogInformation($"Handling message ({tryCount})...");
                throw new InvalidOperationException("Retry!");
            }))
                                  .Run();

            var publisher = serviceProvider.GetRequiredService <IEventPublisher>();
            await publisher.PublishAsync(
                new TestEventOne
            {
                Content = "Hello E2E!"
            });

            await KafkaTestingHelper.WaitUntilAllMessagesAreConsumedAsync();

            tryCount.Should().Be(11);
            DefaultTopic.GetCommittedOffsetsCount("consumer1").Should().Be(3);
        }
        public async Task HandleErrorAsync_Whatever_TrueReturned()
        {
            var policy   = ErrorPolicy.Skip().Build(_serviceProvider);
            var envelope = new InboundEnvelope(
                "hey oh!",
                new MemoryStream(),
                null,
                new TestOffset(),
                TestConsumerEndpoint.GetDefault(),
                TestConsumerEndpoint.GetDefault().Name);

            var result = await policy.HandleErrorAsync(
                ConsumerPipelineContextHelper.CreateSubstitute(envelope, _serviceProvider),
                new InvalidOperationException("test"));

            result.Should().BeTrue();
        }
        public async Task HandleError_Whatever_ConsumerCommittedButTransactionAborted()
        {
            var policy   = ErrorPolicy.Skip().Build(_serviceProvider);
            var envelope = new InboundEnvelope(
                "hey oh!",
                new MemoryStream(Encoding.UTF8.GetBytes("hey oh!")),
                null,
                new TestOffset(),
                new TestConsumerEndpoint("source-endpoint"),
                "source-endpoint");

            var transactionManager = Substitute.For <IConsumerTransactionManager>();

            await policy.HandleErrorAsync(
                ConsumerPipelineContextHelper.CreateSubstitute(envelope, _serviceProvider, transactionManager),
                new InvalidOperationException("test"));

            await transactionManager.Received(1).RollbackAsync(Arg.Any <InvalidOperationException>(), true);
        }
Example #4
0
        public async Task SkipPolicy_ChunkedJsonDeserializationError_SequenceSkipped()
        {
            var message = new TestEventOne {
                Content = "Hello E2E!"
            };

            byte[] rawMessage = (await Endpoint.DefaultSerializer.SerializeAsync(
                                     message,
                                     new MessageHeaderCollection(),
                                     MessageSerializationContext.Empty)).ReadAll() ??
                                throw new InvalidOperationException("Serializer returned null");

            byte[] invalidRawMessage = Encoding.UTF8.GetBytes("<what?!><what?!><what?!>");

            Host.ConfigureServices(
                services => services
                .AddLogging()
                .AddSilverback()
                .UseModel()
                .WithConnectionToMessageBroker(
                    options => options.AddMockedKafka(
                        mockedKafkaOptions => mockedKafkaOptions.WithDefaultPartitionsCount(1)))
                .AddEndpoints(
                    endpoints => endpoints
                    .AddInbound(
                        new KafkaConsumerEndpoint(DefaultTopicName)
            {
                Configuration =
                {
                    GroupId          = "consumer1",
                    EnableAutoCommit = false,
                    CommitOffsetEach = 1
                },
                ErrorPolicy = ErrorPolicy.Skip()
            }))
                .AddSingletonSubscriber <OutboundInboundSubscriber>())
            .Run();

            var producer = Broker.GetProducer(new KafkaProducerEndpoint(DefaultTopicName));
            await producer.RawProduceAsync(
                invalidRawMessage.Take(10).ToArray(),
                HeadersHelper.GetChunkHeaders("1", 0, typeof(TestEventOne)));

            await producer.RawProduceAsync(
                invalidRawMessage.Skip(10).Take(10).ToArray(),
                HeadersHelper.GetChunkHeaders("1", 1, typeof(TestEventOne)));

            await producer.RawProduceAsync(
                invalidRawMessage.Skip(20).ToArray(),
                HeadersHelper.GetChunkHeaders("1", 2, true, typeof(TestEventOne)));

            await KafkaTestingHelper.WaitUntilAllMessagesAreConsumedAsync();

            Subscriber.InboundEnvelopes.Should().BeEmpty();
            DefaultTopic.GetCommittedOffsetsCount("consumer1").Should().Be(3);

            await producer.RawProduceAsync(
                rawMessage.Take(10).ToArray(),
                HeadersHelper.GetChunkHeaders("2", 0, typeof(TestEventOne)));

            await producer.RawProduceAsync(
                rawMessage.Skip(10).Take(10).ToArray(),
                HeadersHelper.GetChunkHeaders("2", 1, typeof(TestEventOne)));

            await producer.RawProduceAsync(
                rawMessage.Skip(20).ToArray(),
                HeadersHelper.GetChunkHeaders("2", 2, true, typeof(TestEventOne)));

            await KafkaTestingHelper.WaitUntilAllMessagesAreConsumedAsync();

            Subscriber.InboundEnvelopes.Should().HaveCount(1);
            DefaultTopic.GetCommittedOffsetsCount("consumer1").Should().Be(6);
        }