Github user ernisv commented on a diff in the pull request: https://github.com/apache/storm/pull/1888#discussion_r99294074 --- Diff: external/storm-kafka/src/test/org/apache/storm/kafka/ZkCoordinatorTest.java --- @@ -114,6 +113,33 @@ public void testPartitionsChange() throws Exception { } } + @Test + public void testPartitionManagerRecreate() throws Exception { + final int totalTasks = 2; + int partitionsPerTask = 2; + List<ZkCoordinator> coordinatorList = buildCoordinators(totalTasks / partitionsPerTask); + when(reader.getBrokerInfo()).thenReturn(TestUtils.buildPartitionInfoList(TestUtils.buildPartitionInfo(totalTasks, 9092))); + List<List<PartitionManager>> partitionManagersBeforeRefresh = getPartitionManagers(coordinatorList); + waitForRefresh(); + when(reader.getBrokerInfo()).thenReturn(TestUtils.buildPartitionInfoList(TestUtils.buildPartitionInfo(totalTasks, 9093))); + List<List<PartitionManager>> partitionManagersAfterRefresh = getPartitionManagers(coordinatorList); + assertEquals(partitionManagersAfterRefresh.size(), partitionManagersAfterRefresh.size()); + Iterator<List<PartitionManager>> iterator = partitionManagersAfterRefresh.iterator(); + for (List<PartitionManager> partitionManagersBefore : partitionManagersBeforeRefresh) { + List<PartitionManager> partitionManagersAfter = iterator.next(); + for (PartitionManager before : partitionManagersBefore) --- End diff -- Right, simplified the test.
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