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| 1 | +package com.avast.clients.rabbitmq |
| 2 | + |
| 3 | +import cats.effect.concurrent.{Deferred, Ref} |
| 4 | +import cats.syntax.parallel._ |
| 5 | +import com.avast.bytes.Bytes |
| 6 | +import com.avast.clients.rabbitmq.api.{MessageProperties, NotAcknowledgedPublish} |
| 7 | +import com.avast.clients.rabbitmq.logging.ImplicitContextLogger |
| 8 | +import com.avast.clients.rabbitmq.publisher.PublishConfirmsRabbitMQProducer |
| 9 | +import com.avast.clients.rabbitmq.publisher.PublishConfirmsRabbitMQProducer.SentMessages |
| 10 | +import com.avast.metrics.scalaeffectapi.Monitor |
| 11 | +import com.rabbitmq.client.impl.recovery.AutorecoveringChannel |
| 12 | +import monix.eval.Task |
| 13 | +import monix.execution.Scheduler.Implicits.global |
| 14 | +import org.mockito.Matchers |
| 15 | +import org.mockito.Matchers.any |
| 16 | +import org.mockito.Mockito.{times, verify, when} |
| 17 | + |
| 18 | +import scala.util.Random |
| 19 | + |
| 20 | +class PublisherConfirmsRabbitMQProducerTest extends TestBase { |
| 21 | + test("message is acked after one retry") { |
| 22 | + val exchangeName = Random.nextString(10) |
| 23 | + val routingKey = Random.nextString(10) |
| 24 | + val seqNumber = 1L |
| 25 | + val seqNumber2 = 2L |
| 26 | + |
| 27 | + val channel = mock[AutorecoveringChannel] |
| 28 | + val ref = Ref.of[Task, Map[Long, Deferred[Task, Either[NotAcknowledgedPublish, Unit]]]](Map.empty).await |
| 29 | + val updatedState1 = updateMessageState(ref, seqNumber)(Left(NotAcknowledgedPublish("abcd", messageId = seqNumber))) |
| 30 | + val updatedState2 = updateMessageState(ref, seqNumber2)(Right()) |
| 31 | + |
| 32 | + val producer = new PublishConfirmsRabbitMQProducer[Task, Bytes]( |
| 33 | + name = "test", |
| 34 | + exchangeName = exchangeName, |
| 35 | + channel = channel, |
| 36 | + monitor = Monitor.noOp(), |
| 37 | + defaultProperties = MessageProperties.empty, |
| 38 | + reportUnroutable = false, |
| 39 | + sizeLimitBytes = None, |
| 40 | + blocker = TestBase.testBlocker, |
| 41 | + logger = ImplicitContextLogger.createLogger, |
| 42 | + sentMessages = ref, |
| 43 | + sendAttempts = 2 |
| 44 | + ) |
| 45 | + when(channel.getNextPublishSeqNo).thenReturn(seqNumber, seqNumber2) |
| 46 | + |
| 47 | + producer.send(routingKey, Bytes.copyFrom(Array.fill(499)(32.toByte))).parProduct(updatedState1.parProduct(updatedState2)).await |
| 48 | + |
| 49 | + verify(channel, times(2)) |
| 50 | + .basicPublish(Matchers.eq(exchangeName), Matchers.eq(routingKey), any(), Matchers.eq(Bytes.copyFrom(Array.fill(499)(32.toByte)).toByteArray)) |
| 51 | + } |
| 52 | + |
| 53 | + test("Message not acked returned if number of attempts exhausted") { |
| 54 | + val exchangeName = Random.nextString(10) |
| 55 | + val routingKey = Random.nextString(10) |
| 56 | + val seqNumber = 1L |
| 57 | + |
| 58 | + val channel = mock[AutorecoveringChannel] |
| 59 | + val ref = Ref.of[Task, Map[Long, Deferred[Task, Either[NotAcknowledgedPublish, Unit]]]](Map.empty).await |
| 60 | + val updatedState = updateMessageState(ref, seqNumber)(Left(NotAcknowledgedPublish("abcd", messageId = seqNumber))) |
| 61 | + |
| 62 | + val producer = new PublishConfirmsRabbitMQProducer[Task, Bytes]( |
| 63 | + name = "test", |
| 64 | + exchangeName = exchangeName, |
| 65 | + channel = channel, |
| 66 | + monitor = Monitor.noOp(), |
| 67 | + defaultProperties = MessageProperties.empty, |
| 68 | + reportUnroutable = false, |
| 69 | + sizeLimitBytes = None, |
| 70 | + blocker = TestBase.testBlocker, |
| 71 | + logger = ImplicitContextLogger.createLogger, |
| 72 | + sentMessages = ref, |
| 73 | + sendAttempts = 1 |
| 74 | + ) |
| 75 | + when(channel.getNextPublishSeqNo).thenReturn(seqNumber) |
| 76 | + |
| 77 | + assertThrows[NotAcknowledgedPublish] { |
| 78 | + producer.send(routingKey, Bytes.copyFrom(Array.fill(499)(32.toByte))).parProduct(updatedState).await |
| 79 | + } |
| 80 | + |
| 81 | + verify(channel).basicPublish(Matchers.eq(exchangeName), Matchers.eq(routingKey), any(), Matchers.eq(Bytes.copyFrom(Array.fill(499)(32.toByte)).toByteArray)) |
| 82 | + } |
| 83 | + |
| 84 | + private def updateMessageState(ref: SentMessages[Task], messageId: Long)(result: Either[NotAcknowledgedPublish, Unit]): Task[Unit] = { |
| 85 | + ref.get.flatMap(map => map.get(messageId) match { |
| 86 | + case Some(value) => value.complete(result) |
| 87 | + case None => updateMessageState(ref, messageId)(result) |
| 88 | + }) |
| 89 | + } |
| 90 | +} |
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