[jira] [Commented] (KAFKA-1258) Delete temporary data directory after unit test finishes

["Jay Kreps (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/KAFKA-1258?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13898307#comment-13898307 ] 

Jay Kreps commented on KAFKA-1258:
----------------------------------

Yeah this annoys me too. The core problem is that java provides File.deleteOnExit but this doesn't work for directories. Instead what we should do is change TestUtils.createTempDir to add a shutdown hook that deletes the directory recursively.

> Delete temporary data directory after unit test finishes
> --------------------------------------------------------
>
>                 Key: KAFKA-1258
>                 URL: https://issues.apache.org/jira/browse/KAFKA-1258
>             Project: Kafka
>          Issue Type: Bug
>            Reporter: Guozhang Wang
>             Fix For: 0.9.0
>
>
> Today in unit testsuite most of the time when a test case is setup a temporary directory will be created with a random int as suffix, and will not be deleted after the test. After a few unit tests this will create tons of directories in java.io.tmpdir (/tmp for Linux). Would be better to remove them for clean unit tests.



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