[jira] Created: (MAPREDUCE-1020) Add more unit tests to test the queue refresh feature MAPREDUCE-893

["Vinod K V (JIRA)" <ji...@apache.org>]

Add more unit tests to test the queue refresh feature MAPREDUCE-893
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                 Key: MAPREDUCE-1020
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1020
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: test
    Affects Versions: 0.21.0
            Reporter: Vinod K V
             Fix For: 0.21.0


MAPREDUCE-893 included unit tests verifying the sanity of the refresh feature - both the queue properities' refresh as well as the scheduler properties' refresh. The test suite can and should be expanded. This will help easily identifying issues that will otherwise be caught during manual testing. For e.g., during manual testing of MAPREDUCE-893, we identified an NPE in the scheduler iteration occuring during heartbeat, which could have been easily identified by unit tests.

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