[MRUNIT-180] Being able to use a comparator on runTest

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 0.9.0
• Fix Version/s: 1.1.0
• Assignee: Ximo Guanter
• Reporter: Ximo Guanter
• Created: 11/Mar/13 16:05
• Updated: 06/May/14 21:56
• Resolved: 04/Apr/13 14:33

Description

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.