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| 1 | +// This source code is dual-licensed under the Apache License, version |
| 2 | +// 2.0, and the Mozilla Public License, version 2.0. |
| 3 | +// Copyright (c) 2017-2023 Broadcom. All Rights Reserved. The term "Broadcom" refers to Broadcom Inc. and/or its subsidiaries. |
| 4 | + |
| 5 | +using System; |
| 6 | +using System.Collections.Generic; |
| 7 | +using System.Threading; |
| 8 | +using System.Threading.Tasks; |
| 9 | +using Microsoft.Extensions.Diagnostics.Metrics.Testing; |
| 10 | +using RabbitMQ.AMQP.Client; |
| 11 | +using RabbitMQ.AMQP.Client.Impl; |
| 12 | +using Xunit; |
| 13 | +using Xunit.Abstractions; |
| 14 | + |
| 15 | +namespace Tests.Consumer; |
| 16 | + |
| 17 | +public class MetricsConsumerTests(ITestOutputHelper testOutputHelper) : IntegrationTest(testOutputHelper) |
| 18 | +{ |
| 19 | + [Fact] |
| 20 | + public async Task RecordMessageDeliverySuccessAndDuration() |
| 21 | + { |
| 22 | + // Be careful specifying scope=null. This binds the collector to a global Meter and tests |
| 23 | + // that use global state should not be configured to run in parallel. |
| 24 | + var messageConsumedCollector = new MetricCollector<int>(null, "RabbitMQ.Amqp", "messaging.client.consumed.messages"); |
| 25 | + var messageProcessingDurationCollector = new MetricCollector<double>(null, "RabbitMQ.Amqp", "messaging.process.duration"); |
| 26 | + |
| 27 | + Assert.NotNull(_connection); |
| 28 | + Assert.NotNull(_management); |
| 29 | + |
| 30 | + IQueueSpecification queueSpec = _management.Queue().Name(_queueName); |
| 31 | + await queueSpec.DeclareAsync(); |
| 32 | + |
| 33 | + await PublishAsync(queueSpec, 2); |
| 34 | + |
| 35 | + TaskCompletionSource<IMessage> tcs = new(); |
| 36 | + //Need to send 2 message, metrics are recorded after message consumption so want on first message consumption will end tests before metrics being incremented |
| 37 | + bool isPairMessage = true; |
| 38 | + IConsumer consumer = await _connection.ConsumerBuilder() |
| 39 | + .Queue(queueSpec) |
| 40 | + .MessageHandler(async (context, message) => |
| 41 | + { |
| 42 | + await context.AcceptAsync(); |
| 43 | + isPairMessage = !isPairMessage; |
| 44 | + if (isPairMessage) |
| 45 | + { |
| 46 | + tcs.SetResult(message); |
| 47 | + } |
| 48 | + } |
| 49 | + ).BuildAndStartAsync(); |
| 50 | + |
| 51 | + await WhenTcsCompletes(tcs); |
| 52 | + |
| 53 | + |
| 54 | + var consumedMessagesMeasurements = messageConsumedCollector.GetMeasurementSnapshot(); |
| 55 | + Assert.NotEmpty(consumedMessagesMeasurements); |
| 56 | + Assert.Equal(1, consumedMessagesMeasurements[0].Value); |
| 57 | + Assert.Equal(consumedMessagesMeasurements[0].Tags["messaging.system"], "rabbitmq"); |
| 58 | + Assert.Equal(consumedMessagesMeasurements[0].Tags["messaging.operation.name"], "deliver"); |
| 59 | + Assert.Equal(consumedMessagesMeasurements[0].Tags["messaging.operation.type"], "process"); |
| 60 | + Assert.Equal(consumedMessagesMeasurements[0].Tags["messaging.destination.name"], |
| 61 | + $"/queues/{Utils.EncodePathSegment(queueSpec.QueueName)}"); |
| 62 | + Assert.Equal(consumedMessagesMeasurements[0].Tags["server.port"], |
| 63 | + _connectionSettings!.Port); |
| 64 | + Assert.Equal(consumedMessagesMeasurements[0].Tags["server.address"], |
| 65 | + _connectionSettings!.Host); |
| 66 | + |
| 67 | + var consumedMessageDurationMeasurements = messageProcessingDurationCollector.GetMeasurementSnapshot(); |
| 68 | + Assert.NotEmpty(consumedMessageDurationMeasurements); |
| 69 | + Assert.True( consumedMessageDurationMeasurements[0].Value > 0); |
| 70 | + Assert.Equal(consumedMessageDurationMeasurements[0].Tags["messaging.system"], "rabbitmq"); |
| 71 | + Assert.Equal(consumedMessageDurationMeasurements[0].Tags["messaging.operation.name"], "deliver"); |
| 72 | + Assert.Equal(consumedMessageDurationMeasurements[0].Tags["messaging.operation.type"], "process"); |
| 73 | + Assert.Equal(consumedMessageDurationMeasurements[0].Tags["messaging.destination.name"], |
| 74 | + $"/queues/{Utils.EncodePathSegment(queueSpec.QueueName)}"); |
| 75 | + Assert.Equal(consumedMessageDurationMeasurements[0].Tags["server.port"], |
| 76 | + _connectionSettings!.Port); |
| 77 | + Assert.Equal(consumedMessageDurationMeasurements[0].Tags["server.address"], |
| 78 | + _connectionSettings!.Host); |
| 79 | + |
| 80 | + await consumer.CloseAsync(); |
| 81 | + consumer.Dispose(); |
| 82 | + } |
| 83 | +} |
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