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https://issues.apache.org/jira/browse/DRILL-5325?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arina Ielchiieva updated DRILL-5325:
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Labels: (was: ready-to-commit)
> Implement sub-operator unit tests for managed external sort
> -----------------------------------------------------------
>
> Key: DRILL-5325
> URL: https://issues.apache.org/jira/browse/DRILL-5325
> Project: Apache Drill
> Issue Type: Improvement
> Components: Tools, Build & Test
> Affects Versions: 1.11.0
> Reporter: Paul Rogers
> Assignee: Paul Rogers
> Fix For: 1.11.0
>
>
> Validate the proposed sub-operator test framework, by creating low-level unit
> tests for the managed version of the external sort.
> The external sort has a small number of existing tests, but those tests are
> quite superficial; the "managed sort" project found many bugs. The managed
> sort itself was tested with ad-hoc system-level tests created using the new
> "cluster fixture" framework. But, again, such tests could not reach deep
> inside the sort code to exercise very specific conditions.
> As a result, we spent far too much time using QA functional tests to identify
> specific code issues.
> Using the sub-opeator unit test framework, we can instead test each bit of
> functionality at the unit test level.
> If doing so works, and is practical, it can serve as a model for other
> operator testing projects.
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