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https://issues.apache.org/jira/browse/DRILL-1806?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jacques Nadeau updated DRILL-1806:
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Fix Version/s: Future
> Unit test temp. files clutter /tmp directory; interfere with non-unique
> pathnames
> ---------------------------------------------------------------------------------
>
> Key: DRILL-1806
> URL: https://issues.apache.org/jira/browse/DRILL-1806
> Project: Apache Drill
> Issue Type: Bug
> Reporter: Daniel Barclay (Drill/MapR)
> Priority: Minor
> Fix For: Future
>
>
> The unit tests write many files and directories as direct children of
> directory /tmp and don't delete them. That clutters up /tmp. That also
> means that the state of /tmp/... can interfere with the tests.
> Also, because of that, many unit tests use file pathnames that are not unique
> to each test run. That means that simultaneous test runs can interfere.
> Additionally, given that the files are not deleted, that means that a later
> test run can be affected by an earlier test run. (Additionally, at least a
> few test methods write to the same relative file names, meaning those tests
> can interfere with each other.)
> Recommendations:
> # At least change the parent directory from {{/tmp}} to a subdirectory of
> {{/tmp}}.
> # Change to a parent directory whose name is unique to the test run (e.g., as
> JUnit's {{TemporaryFolder}} rule would create).
> # Consider: Normally delete the temporary files after use (as
> {{TemporaryFolder}} does), but provide a convenient option to keep the files
> (possibly automatically defaulting to keeping in debugging mode).
> # Probably use JUnit's {{TemporaryFolder}} rule (to get unique names, to
> delete after test). (Investigate how to conditionally disable deleting the
> files.)
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