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https://issues.apache.org/jira/browse/HADOOP-6423?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Konstantin Boudnik moved HDFS-820 to HADOOP-6423:
-------------------------------------------------

          Component/s:     (was: build)
                       build
        Fix Version/s:     (was: 0.22.0)
                           (was: 0.21.0)
    Affects Version/s:     (was: 0.22.0)
                           (was: 0.21.0)
                       0.22.0
                       0.21.0
           Issue Type: Improvement  (was: Test)
                  Key: HADOOP-6423  (was: HDFS-820)
              Project: Hadoop Common  (was: Hadoop HDFS)

> CLONE -Add unit tests framework (Mockito)
> -----------------------------------------
>
>                 Key: HADOOP-6423
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6423
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: build
>    Affects Versions: 0.21.0, 0.22.0
>            Reporter: Konstantin Boudnik
>            Assignee: Konstantin Boudnik
>
> Most HDFS tests are functional tests that test a feature end to end by 
> running a mini cluster. We should add more tests like TestReplication that 
> attempt to stress individual classes in isolation, ie by stubbing out 
> dependencies without running a mini cluster. This allows for more fine-grain 
> testing and making tests run much more quickly because they avoid the cost of 
> cluster setup and teardown. If it makes sense to use another framework 
> besides junit we should standardize with MAPREDUCE-1050. 

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