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https://issues.apache.org/jira/browse/KAFKA-8361?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16839982#comment-16839982
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ASF GitHub Bot commented on KAFKA-8361:
---------------------------------------

sekikn commented on pull request #6736: KAFKA-8361. Fix 
ConsumerPerformanceTest#testNonDetailedHeaderMatchBody to test a real 
ConsumerPerformance's method
URL: https://github.com/apache/kafka/pull/6736
 
 
   kafka.tools.ConsumerPerformanceTest#testNonDetailedHeaderMatchBody
   doesn't work as a regression test, since it checks the number of the
   fields which are output by an inline `println`, not by a real method of
   ConsumerPerformance. This PR makes ConsumerPerformance's output logic
   an independent method and testNonDetailedHeaderMatchBody test it.
   It also includes some formatting fixes.
   
   ### Committer Checklist (excluded from commit message)
   - [ ] Verify design and implementation 
   - [ ] Verify test coverage and CI build status
   - [ ] Verify documentation (including upgrade notes)
   
 
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> Fix ConsumerPerformanceTest#testNonDetailedHeaderMatchBody to test a real 
> ConsumerPerformance's method
> ------------------------------------------------------------------------------------------------------
>
>                 Key: KAFKA-8361
>                 URL: https://issues.apache.org/jira/browse/KAFKA-8361
>             Project: Kafka
>          Issue Type: Improvement
>          Components: unit tests
>            Reporter: Kengo Seki
>            Assignee: Kengo Seki
>            Priority: Minor
>
> {{kafka.tools.ConsumerPerformanceTest#testNonDetailedHeaderMatchBody}} 
> doesn't work as a regression test for now, since it tests an anonymous 
> function defined in the test method itself.
> {code:java}
>   @Test
>   def testNonDetailedHeaderMatchBody(): Unit = {
>     testHeaderMatchContent(detailed = false, 2, () => 
> println(s"${dateFormat.format(System.currentTimeMillis)}, " +
>       s"${dateFormat.format(System.currentTimeMillis)}, 1.0, 1.0, 1, 1.0, 1, 
> 1, 1.1, 1.1"))
>   }
> {code}
> It should test a real {{ConsumerPerformance}}'s method, just like 
> {{testDetailedHeaderMatchBody}}.
> {code:java}
>   @Test
>   def testDetailedHeaderMatchBody(): Unit = {
>     testHeaderMatchContent(detailed = true, 2,
>       () => ConsumerPerformance.printConsumerProgress(1, 1024 * 1024, 0, 1, 
> 0, 0, 1, dateFormat, 1L))
>   }
> {code}



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