chia7712 commented on code in PR #20068: URL: https://github.com/apache/kafka/pull/20068#discussion_r2187641399
########## core/src/test/scala/unit/kafka/utils/TestUtils.scala: ########## @@ -1335,11 +1335,14 @@ object TestUtils extends Logging { case Failure(e) => throw e } - assertTrue(isLeaderElected, s"Timed out waiting for leader to become $expectedLeaderOpt. " + + assertTrue(isLeaderElected, s"Timed out waiting for leader to become expectedLeaderOpt. " + Review Comment: Why do we need this change? ########## core/src/test/scala/integration/kafka/api/PlaintextAdminIntegrationTest.scala: ########## @@ -2873,23 +2873,36 @@ class PlaintextAdminIntegrationTest extends BaseAdminIntegrationTest { /** Changes the <i>preferred</i> leader without changing the <i>current</i> leader. */ def changePreferredLeader(newAssignment: Seq[Int]): Unit = { val preferred = newAssignment.head - val prior1 = brokers.head.metadataCache.getPartitionLeaderEndpoint(partition1.topic, partition1.partition(), listenerName).get.id() - val prior2 = brokers.head.metadataCache.getPartitionLeaderEndpoint(partition2.topic, partition2.partition(), listenerName).get.id() - - var m = Map.empty[TopicPartition, Optional[NewPartitionReassignment]] - if (prior1 != preferred) - m += partition1 -> Optional.of(new NewPartitionReassignment(newAssignment.map(Int.box).asJava)) - if (prior2 != preferred) - m += partition2 -> Optional.of(new NewPartitionReassignment(newAssignment.map(Int.box).asJava)) - client.alterPartitionReassignments(m.asJava).all().get() + var prior1 = brokers.head.metadataCache.getPartitionLeaderEndpoint(partition1.topic, partition1.partition(), listenerName).get.id() + var prior2 = brokers.head.metadataCache.getPartitionLeaderEndpoint(partition2.topic, partition2.partition(), listenerName).get.id() TestUtils.waitUntilTrue( - () => preferredLeader(partition1) == preferred && preferredLeader(partition2) == preferred, + () => { + prior1 = brokers.head.metadataCache.getPartitionLeaderEndpoint(partition1.topic, partition1.partition(), listenerName).get.id() + prior2 = brokers.head.metadataCache.getPartitionLeaderEndpoint(partition2.topic, partition2.partition(), listenerName).get.id() + var reassignmentMap = Map.empty[TopicPartition, Optional[NewPartitionReassignment]] + if (prior1 != preferred) + reassignmentMap += partition1 -> Optional.of(new NewPartitionReassignment(newAssignment.map(Int.box).asJava)) + if (prior2 != preferred) + reassignmentMap += partition2 -> Optional.of(new NewPartitionReassignment(newAssignment.map(Int.box).asJava)) + client.alterPartitionReassignments(reassignmentMap.asJava).all().get() + preferredLeader(partition1) == preferred && preferredLeader(partition2) == preferred}, s"Expected preferred leader to become $preferred, but is ${preferredLeader(partition1)} and ${preferredLeader(partition2)}", - 10000) + 10000L) + // Check the leader hasn't moved - TestUtils.assertLeader(client, partition1, prior1) - TestUtils.assertLeader(client, partition2, prior2) + TestUtils.waitUntilTrue( Review Comment: It seems the way to stabilize the test is to ensure "all" brokers metadata get up-to-date, right? ########## core/src/test/scala/integration/kafka/api/PlaintextAdminIntegrationTest.scala: ########## @@ -2961,12 +2973,15 @@ class PlaintextAdminIntegrationTest extends BaseAdminIntegrationTest { assertEquals(util.Set.of(partition2), electResult.partitions.get.keySet) assertFalse(electResult.partitions.get.get(partition2).isPresent) TestUtils.assertLeader(client, partition2, 2) - // Now change the preferred leader to 1 changePreferredLeader(prefer1) + // but shut it down... killBroker(1) - TestUtils.waitForBrokersOutOfIsr(client, Set(partition1, partition2), Set(1)) + TestUtils.waitUntilTrue( Review Comment: all we need is the `waitForBrokersOutOfIsr`, right? -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: jira-unsubscr...@kafka.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org