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Harden ReliableDeliveryShardingSpec (#31234)

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Allow duplicate messages to be delivered to the consumer
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Arnout Engelen 2022-03-10 17:33:21 +01:00 • committed by GitHub
parent f6e73fa5ac
commit c63d18f663
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1 changed files with 13 additions and 7 deletions
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20
akka-cluster-sharding-typed/src/test/scala/akka/cluster/sharding/typed/delivery/ReliableDeliveryShardingSpec.scala
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@ -32,8 +32,6 @@ import akka.cluster.typed.Join
object ReliableDeliveryShardingSpec {
val config = ConfigFactory.parseString("""
// temporary on debug to diagnose https://github.com/akka/akka/issues/30664
akka.loglevel = debug
akka.actor.provider = cluster
akka.remote.classic.netty.tcp.port = 0
akka.remote.artery.canonical.port = 0
@ -337,9 +335,6 @@ class ReliableDeliveryShardingSpec
testKit.stop(shardingProducerController)
}
// This test sometimes files on GitHub Actions (https://github.com/akka/akka/issues/30664),
// which might be a real issue.
// It seems msg-3, which is 'correctly' redelivered once, is sometimes redelivered twice.
"deliver unconfirmed if ShardingConsumerController is terminated" in {
// for example if ShardingConsumerController is rebalanced, but no more messages are sent to the entity
nextId()
@ -386,8 +381,19 @@ class ReliableDeliveryShardingSpec
// msg-3 is redelivered
delivery3b.message should ===(TestConsumer.Job("msg-3"))
delivery3b.confirmTo ! ConsumerController.Confirmed
val delivery4 = consumerProbes(1).receiveMessage()
delivery4.message should ===(TestConsumer.Job("msg-4"))
val delivery3cor4 = consumerProbes(1).receiveMessage()
delivery3cor4.message match {
case TestConsumer.Job("msg-3") =>
// It is possible the ProducerController re-sends msg-3 again before it has processed its acknowledgement.
// If the ConsumerController restarts between sending the acknowledgement and receiving that re-sent msg-3,
// it will deliver msg-3 a second time. We then expect msg-4 next:
val delivery4 = consumerProbes(1).receiveMessage()
delivery4.message should ===(TestConsumer.Job("msg-4"))
case TestConsumer.Job("msg-4") =>
// OK!
case other =>
throw new MatchError(other)
}
// redeliver also when no more messages are sent
consumerProbes(1).stop()