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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MRUNIT-180) Being able to use a comparator on runTest
Date Thu, 04 Apr 2013 15:23:15 GMT

    [ https://issues.apache.org/jira/browse/MRUNIT-180?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13622409#comment-13622409
] 

Hudson commented on MRUNIT-180:
-------------------------------

Integrated in mrunit-trunk #836 (See [https://builds.apache.org/job/mrunit-trunk/836/])
    MRUNIT-180: Being able to use a comparator on runTest (Revision aa44d5406468cff4e852da528ea68e44e56b76c4)

     Result = SUCCESS
brock : https://git-wip-us.apache.org/repos/asf?p=mrunit.git&a=commit&h=aa44d5406468cff4e852da528ea68e44e56b76c4
Files : 
* src/test/java/org/apache/hadoop/mrunit/TestMapDriver.java
* src/main/java/org/apache/hadoop/mrunit/internal/util/PairComparator.java
* src/test/java/org/apache/hadoop/mrunit/mapreduce/TestMapReduceDriver.java
* src/main/java/org/apache/hadoop/mrunit/TestDriver.java
* src/test/java/org/apache/hadoop/mrunit/TestReduceDriver.java
* src/test/java/org/apache/hadoop/mrunit/TestMapReduceDriver.java
* src/test/java/org/apache/hadoop/mrunit/mapreduce/TestReduceDriver.java

                
> Being able to use a comparator on runTest
> -----------------------------------------
>
>                 Key: MRUNIT-180
>                 URL: https://issues.apache.org/jira/browse/MRUNIT-180
>             Project: MRUnit
>          Issue Type: Improvement
>    Affects Versions: 0.9.0
>            Reporter: Ximo Guanter
>            Assignee: Ximo Guanter
>            Priority: Minor
>             Fix For: 1.1.0
>
>         Attachments: MRUNIT-180-2.patch, MRUNIT-180.patch
>
>
> Sometimes using withOutput and runTest is not possible if the .equals method is not the
correct way to compare equality. This is especially true for Mapper and Reducers that return
doubles or structure with doubles in them, since there is no way to specify a desired error
tolerance for the result.
> Being able to specify a Comparator for the key and value types enabled the usage of runTest
for these cases.

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