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From "Konstantin Boudnik (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HDFS-669) Add unit tests
Date Wed, 11 Nov 2009 22:32:39 GMT

     [ https://issues.apache.org/jira/browse/HDFS-669?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Konstantin Boudnik updated HDFS-669:
------------------------------------

    Attachment: HDFS-669.patch

Duplication of testcase execution is fixed. Now junit will be looking for the specified testcase
under an appropriate {{suite.type}} directory. E.g. if 'run-test-unit' is executed then only
{{src/test/unit}} will be explored, etc.

A comment is added for the questionable testcase explaining why it worth including.

> 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: HDFS-669.patch, HDFS-669.patch, HDFS-669.patch, HDFS-669.patch,
HDFS-669.patch, 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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