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https://issues.apache.org/jira/browse/MRUNIT-217?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15018089#comment-15018089
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Dave Beech commented on MRUNIT-217:
-----------------------------------
Hi Ryan. Thanks for the patch! Will take a look asap. I've made you a
contributor and assigned the ticket to you.
> MapReduceDriver does not seem to work with MultipleOutput
> ---------------------------------------------------------
>
> Key: MRUNIT-217
> URL: https://issues.apache.org/jira/browse/MRUNIT-217
> Project: MRUnit
> Issue Type: Question
> Affects Versions: 1.1.0
> Reporter: mathieu lavoie
> Assignee: Ryan Chapin
> Attachments: MRUNIT-217.patch
>
>
> Hi,
> I'm having an issue running a test with
> org.apache.hadoop.mrunit.mapreduce.MapReduceDriver using a reducer with
> multiple outputs. It seems like the generated results is always empty.
> It seems to work just fine for the ReduceDriver but not for the
> MapReduceDriver.
> The field:
> {noformat}
> protected MockMultipleOutputs mos
> {noformat}
> Is set in the ReduceDriver using a mock but the MapReduceDriver is not aware
> of it. Therefore the TestDriver thinks that there is no result.
> Am I missing something ?
> Here is a snippet of the configuration of my test:
> {noformat}
> @RunWith(PowerMockRunner.class)
> @PrepareForTest({StandardMetricsByListenerReducer.class})
> public class StandardMetricsByListenerMapReduceTest {
> private MapReduceDriver<Object, Text, StandardMetricsDayKeyWritable,
> StandardMetricsValueWriteable, StandardMetricsDayKeyWritable,
> StandardMetricsValueWriteable> mapReduceDriver;
> @Before
> public void setup() throws Exception {
> StandardMetricsByListenerMapper mapper = new
> StandardMetricsByListenerMapper();
> StandardMetricsByListenerReducer reducer = new
> StandardMetricsByListenerReducer();
> mapReduceDriver = MapReduceDriver.newMapReduceDriver(mapper, reducer);
> }
> }
> {noformat}
> Thanks
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