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From "Arina Ielchiieva (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DRILL-5325) Implement sub-operator unit tests for managed external sort
Date Mon, 19 Jun 2017 10:02:00 GMT

     [ https://issues.apache.org/jira/browse/DRILL-5325?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Arina Ielchiieva updated DRILL-5325:
------------------------------------
    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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