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From "Amareshwari Sriramadasu (JIRA)" <j...@apache.org>
Subject [jira] Updated: (MAPREDUCE-2008) write Junit test cases that run the Hadoop examples
Date Mon, 27 Sep 2010 06:11:34 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-2008?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Amareshwari Sriramadasu updated MAPREDUCE-2008:

    Status: Open  (was: Patch Available)

Saikat, some comments on the patch:
* The tests should not run by calling Main directly. They should be run as ToolRunner().run.
See TestTeraSort for example.
* System.exit call is commented in all the examples. That should be removed.
* The input for the examples is never generated. Are they running on empty input?
* There should be a validation for every test to ensure that the example is run as expected
and has produced the expected output.

> write Junit test cases that run the Hadoop examples
> ---------------------------------------------------
>                 Key: MAPREDUCE-2008
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2008
>             Project: Hadoop Map/Reduce
>          Issue Type: New Feature
>          Components: examples, test
>    Affects Versions: 0.20.2
>         Environment: N/A
>            Reporter: Saikat Kanjilal
>            Priority: Minor
>             Fix For: 0.22.0
>         Attachments: HADOOP-MR-2008.patch
>   Original Estimate: 20h
>  Remaining Estimate: 20h
> I will be adding junit test cases that run the hadoop examples, specifically I'll be
adding a test suite that tests everything under the src/examples/org/apache/hadoop/examples
package.  Since this is my first contribution to the project I'll need some help to figure
out how to submit this

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