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Posted to issues@lucene.apache.org by "Dawid Weiss (Jira)" <ji...@apache.org> on 2021/01/08 06:50:00 UTC

[jira] [Commented] (LUCENE-9660) gradle task cache should not cache --tests

    [ https://issues.apache.org/jira/browse/LUCENE-9660?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17261048#comment-17261048 ] 

Dawid Weiss commented on LUCENE-9660:
-------------------------------------

This is by design and it should not be changed. If you change *any* parameter or dependency of the incremental build, the test task will run again. It's typically enough to not specify the random seed - if the seed is random, it re-runs the test pretty much automatically every time.

See here for more information:
https://github.com/apache/lucene-solr/blob/master/help/tests.txt#L92-L103

Disabling this functionality is not in your favour in the long run. For multi-module projects 'gradlew check' runs only those tasks that really changed somehow - including tests for just those modules that have changed.

> gradle task cache should not cache --tests
> ------------------------------------------
>
>                 Key: LUCENE-9660
>                 URL: https://issues.apache.org/jira/browse/LUCENE-9660
>             Project: Lucene - Core
>          Issue Type: Improvement
>          Components: general/build
>            Reporter: David Smiley
>            Priority: Minor
>
> I recently ran a specific test at the CLI via gradle to see if a particular build failure repeats.  It includes the {{--tests}} command line option to specify the test.  The test passed.  Later I wanted to run it again; I suspected it might be flakey.  Gradle completed in 10 seconds, and I'm certain it didn't actually run the test. There was no printout and the build/test-results/test/outputs/...  from the test run still had not changed from previously.
> Mike Drob informed me of "gradlew cleanTest" but I'd prefer to not have to know about that, at least not for the specific case of wanting to execute a specific test.
> CC [~dweiss]



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