divijvaidya commented on code in PR #12265: URL: https://github.com/apache/kafka/pull/12265#discussion_r912772869
########## core/src/test/scala/unit/kafka/server/metadata/BrokerMetadataListenerTest.scala: ########## @@ -240,6 +239,40 @@ class BrokerMetadataListenerTest { } } + @Test + def testNotSnapshotAfterMetadataVersionChangeBeforePublishing(): Unit = { + val snapshotter = new MockMetadataSnapshotter() + val listener = newBrokerMetadataListener(snapshotter = Some(snapshotter), + maxBytesBetweenSnapshots = 1000L) + + updateFeature(listener, feature = MetadataVersion.FEATURE_NAME, MetadataVersion.latest.featureLevel(), 100L) + listener.getImageRecords().get() + assertEquals(-1L, snapshotter.activeSnapshotOffset, "We won't generate snapshot before starting publishing") + } + + @Test + def testSnapshotAfterMetadataVersionChangeWhenStarting(): Unit = { + val snapshotter = new MockMetadataSnapshotter() + val listener = newBrokerMetadataListener(snapshotter = Some(snapshotter), + maxBytesBetweenSnapshots = 1000L) + + updateFeature(listener, feature = MetadataVersion.FEATURE_NAME, MetadataVersion.latest.featureLevel(), 100L) + listener.startPublishing(new MockMetadataPublisher()).get() + assertEquals(100L, snapshotter.activeSnapshotOffset, "We should try to generate snapshot when starting publishing") + } + + @Test + def testSnapshotAfterMetadataVersionChange(): Unit = { + val snapshotter = new MockMetadataSnapshotter() + val listener = newBrokerMetadataListener(snapshotter = Some(snapshotter), + maxBytesBetweenSnapshots = 1000L) + listener.startPublishing(new MockMetadataPublisher()).get() + + updateFeature(listener, feature = MetadataVersion.FEATURE_NAME, MetadataVersion.IBP_3_3_IV2.featureLevel(), 100L) Review Comment: > because this test will only be executed in a higher version Kafka Why is that true? This change could potentially be back ported to 3.2.x version as well with the next patch at which stage it will use a different metadata version. -- 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