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From "Konstantin Boudnik (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-669) Add unit tests
Date Wed, 11 Nov 2009 00:26:28 GMT

    [ https://issues.apache.org/jira/browse/HDFS-669?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12776190#action_12776190
] 

Konstantin Boudnik commented on HDFS-669:
-----------------------------------------

Sure Eli. I have something in the pipe which requires Mockito, so I'm gonna send new version
of the patch by end of today and hopefully we'll have it committed tomorrow. I took the liberty
to reassign the JIRA to me.

> Add unit tests 
> ---------------
>
>                 Key: HDFS-669
>                 URL: https://issues.apache.org/jira/browse/HDFS-669
>             Project: Hadoop HDFS
>          Issue Type: Test
>          Components: test
>            Reporter: Eli Collins
>            Assignee: Konstantin Boudnik
>         Attachments: HDFS669.patch
>
>
> 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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