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Posted to dev@mrunit.apache.org by "Ximo Guanter (JIRA)" <ji...@apache.org> on 2013/03/11 17:07:13 UTC

[jira] [Created] (MRUNIT-180) Being able to use a comparator on runTest

Ximo Guanter created MRUNIT-180:
-----------------------------------

             Summary: 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
            Priority: Minor
             Fix For: 1.0.0
         Attachments: 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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