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Merge pull request #330 from permutive/increase-chunk-size
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164 changes: 164 additions & 0 deletions
164
fs2-google-pubsub-grpc/src/test/scala/com/permutive/pubsub/GrpcPingPongSpec.scala
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| Original file line number | Diff line number | Diff line change |
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| package com.permutive.pubsub | ||
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| import cats.effect._ | ||
| import cats.syntax.all._ | ||
| import com.google.cloud.pubsub.v1.{SubscriptionAdminClient, TopicAdminClient} | ||
| import com.google.pubsub.v1.{ProjectSubscriptionName, TopicName} | ||
| import com.permutive.pubsub.consumer.ConsumerRecord | ||
| import com.permutive.pubsub.producer.PubsubProducer | ||
| import fs2.Stream | ||
| import org.scalatest.BeforeAndAfterEach | ||
| import org.typelevel.log4cats.Logger | ||
| import org.typelevel.log4cats.slf4j.Slf4jLogger | ||
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| import scala.concurrent.duration._ | ||
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| class GrpcPingPongSpec extends PubSubSpec with BeforeAndAfterEach { | ||
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| implicit val logger: Logger[IO] = Slf4jLogger.getLogger | ||
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| // Delete topic and subscriptions after each test to ensure state is clean | ||
| override def afterEach(): Unit = | ||
| clearTopicSubscription | ||
| .handleErrorWith(_ => logger.warn("Errors were thrown after tests on clean-up")) | ||
| .unsafeRunSync() | ||
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| private[this] val topicAndSubscriptionClient: Resource[IO, (TopicAdminClient, SubscriptionAdminClient)] = | ||
| for { | ||
| transCreds <- providers | ||
| topicClient <- topicAdminClient(transCreds._1, transCreds._2) | ||
| subscriptionClient <- subscriptionAdminClient(transCreds._1, transCreds._2) | ||
| } yield (topicClient, subscriptionClient) | ||
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| private[this] val clearTopicSubscription: IO[Unit] = | ||
| topicAndSubscriptionClient.use { case (topicClient, subscriptionClient) => | ||
| for { | ||
| _ <- deleteSubscription(subscriptionClient, ProjectSubscriptionName.of(project, subscription)) | ||
| _ <- deleteTopic(topicClient, TopicName.of(project, topic)) | ||
| } yield () | ||
| } | ||
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| private def setup(ackDeadlineSeconds: Int): Resource[IO, (PubsubProducer[IO, ValueHolder])] = | ||
| for { | ||
| _ <- Resource.eval(createTopic(project, topic)) | ||
| _ <- Resource.eval(createSubscription(project, topic, subscription, ackDeadlineSeconds)) | ||
| p <- producer() | ||
| } yield p | ||
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| private def consumeExpectingLimitedMessages( | ||
| messagesExpected: Int, | ||
| ): Stream[IO, ConsumerRecord[IO, ValueHolder]] = | ||
| consumer() | ||
| // Check we only receive a single element | ||
| .zipWithIndex | ||
| .flatMap { case (record, ix) => | ||
| Stream.fromEither[IO]( | ||
| // Index is 0-based, so we expected index to reach 1 less than `messagesExpected` | ||
| if (ix < messagesExpected.toLong) Right(record) | ||
| else Left(new RuntimeException(s"Received more than $messagesExpected from PubSub")) | ||
| ) | ||
| } | ||
| // Check body is as we expect | ||
| .flatMap(record => | ||
| Stream.fromEither[IO]( | ||
| if (record.value == ValueHolder("ping")) Right(record) | ||
| else Left(new RuntimeException(s"Consumed element did not have correct value: ${record.value}")) | ||
| ) | ||
| ) | ||
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| private def consumeAndAck( | ||
| elementsReceived: Ref[IO, Int], | ||
| ): Stream[IO, ConsumerRecord[IO, ValueHolder]] = | ||
| consumeExpectingLimitedMessages(messagesExpected = 1) | ||
| // Indicate we have received the element as expected | ||
| .evalTap(_ => elementsReceived.update(_ + 1)) | ||
| .evalTap(_.ack) | ||
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| it should "send and receive a message, acknowledging as expected" in { | ||
| (for { | ||
| // We will sleep for 10 seconds, which means if the message is not acked it will be redelivered before end of test | ||
| producer <- Stream.resource(setup(ackDeadlineSeconds = 5)) | ||
| _ <- Stream.eval(producer.produce(ValueHolder("ping"))) | ||
| ref <- Stream.eval(Ref.of[IO, Int](0)) | ||
| // Wait 10 seconds whilst we run the consumer to check we have a single element and it has the right data | ||
| _ <- Stream.sleep[IO](10.seconds).concurrently(consumeAndAck(ref)) | ||
| elementsReceived <- Stream.eval(ref.get) | ||
| } yield elementsReceived should ===(1)).compile.drain | ||
| .timeout(30.seconds) // avoiding running forever in case of an issue | ||
| .unsafeRunSync() | ||
| } | ||
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| private def consumeExtendSleepAck( | ||
| elementsReceived: Ref[IO, Int], | ||
| extendDuration: FiniteDuration, | ||
| sleepDuration: FiniteDuration, | ||
| ): Stream[IO, ConsumerRecord[IO, ValueHolder]] = | ||
| consumeExpectingLimitedMessages(messagesExpected = 1) | ||
| .evalTap(_.extendDeadline(extendDuration)) | ||
| .evalTap(_ => IO.sleep(sleepDuration)) | ||
| // Indicate we have received the element as expected | ||
| .evalTap(_ => elementsReceived.update(_ + 1)) | ||
| .evalTap(_.ack) | ||
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| it should "extend the deadline for a message" in { | ||
| // These setting mean that if extension does not work the message will be redelivered before the end of the test | ||
| val ackDeadlineSeconds = 2 | ||
| val sleepDuration = 3.seconds | ||
| val extendDuration = 10.seconds | ||
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| (for { | ||
| producer <- Stream.resource(setup(ackDeadlineSeconds = ackDeadlineSeconds)) | ||
| _ <- Stream.eval(producer.produce(ValueHolder("ping"))) | ||
| ref <- Stream.eval(Ref.of[IO, Int](0)) | ||
| // Wait 10 seconds whilst we run the consumer to check we have a single element and it has the right data | ||
| _ <- Stream | ||
| .sleep[IO](10.seconds) | ||
| .concurrently( | ||
| consumeExtendSleepAck(ref, extendDuration = extendDuration, sleepDuration = sleepDuration) | ||
| ) | ||
| elementsReceived <- Stream.eval(ref.get) | ||
| } yield elementsReceived should ===(1)) | ||
| .as(ExitCode.Success) | ||
| .compile | ||
| .drain | ||
| .timeout(30.seconds) // avoiding running forever in case of an issue | ||
| .unsafeRunSync() | ||
| } | ||
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| private def consumeNackThenAck( | ||
| elementsReceived: Ref[IO, Int], | ||
| messagesExpected: Int, | ||
| ): Stream[IO, Unit] = | ||
| // We expect the message to be redelivered once, so expect 2 messages total | ||
| consumeExpectingLimitedMessages(messagesExpected) | ||
| // Indicate we have received the element as expected | ||
| .evalTap(_ => elementsReceived.update(_ + 1)) | ||
| // Nack the first message, then ack subsequent ones | ||
| .evalScan(false) { case (nackedAlready, record) => | ||
| if (nackedAlready) record.ack.as(true) else record.nack.as(true) | ||
| } | ||
| .void | ||
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| it should "nack a message properly" in { | ||
| // These setting mean that a message will only be redelivered if it is nacked | ||
| val ackDeadlineSeconds = 100 | ||
| val messagesExpected = 2 | ||
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| (for { | ||
| producer <- Stream.resource(setup(ackDeadlineSeconds = ackDeadlineSeconds)) | ||
| _ <- Stream.eval(producer.produce(ValueHolder("ping"))) | ||
| ref <- Stream.eval(Ref.of[IO, Int](0)) | ||
| // Wait 10 seconds whilst we run the consumer which nacks the message, then acks | ||
| _ <- Stream | ||
| .sleep[IO](10.seconds) | ||
| .concurrently(consumeNackThenAck(ref, messagesExpected)) | ||
| elementsReceived <- Stream.eval(ref.get) | ||
| } yield elementsReceived should ===(messagesExpected)) | ||
| .as(ExitCode.Success) | ||
| .compile | ||
| .drain | ||
| .timeout(30.seconds) // avoiding running forever in case of an issue | ||
| .unsafeRunSync() | ||
| } | ||
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| } |
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