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https://issues.apache.org/jira/browse/DRILL-5318?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15977737#comment-15977737
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ASF GitHub Bot commented on DRILL-5318:
---------------------------------------
Github user paul-rogers commented on the issue:
https://github.com/apache/drill/pull/788
Please see the initial comment which identifies that this PR depends on
several others. Two have been done, only DRILL-5323 remains. Please commit
DRILL-5323 first, then this one.
Note that, per your request, this PR is rebased onto DRILL-5323. The
history here includes all changes from DRILL-5323 plus additional changes
specific to DRILL-5318. As I understand it, if you first commit DRILL-5323 the
common changes will reside in master, and will be ignored when you then (as a
second step) commit this PR.
> Create a sub-operator test framework
> ------------------------------------
>
> Key: DRILL-5318
> URL: https://issues.apache.org/jira/browse/DRILL-5318
> Project: Apache Drill
> Issue Type: Improvement
> Components: Tools, Build & Test
> Affects Versions: 1.11.0
> Reporter: Paul Rogers
> Assignee: Paul Rogers
> Labels: ready-to-commit
> Fix For: 1.11.0
>
> Attachments: Sub-OperatorTestFramework.pdf
>
>
> Drill provides two unit test frameworks for whole-server, SQL-based testing:
> the original {{BaseTestQuery}} and the newer {{ClusterFixture}}. Both use the
> {{TestBuilder}} mechanism to build system-level functional tests that run
> queries and check results.
> Jason provided an operator-level test framework based, in part on mocks:
> As Drill operators become more complex, we have a crying need for true
> unit-level tests at a level below the whole system and below operators. That
> is, we need to test the individual pieces that, together, form the operator.
> This umbrella ticket includes a number of tasks needed to create the
> sub-operator framework. Our intention is that, over time, as we find the need
> to revisit existing operators, or create new ones, we can employ the
> sub-operator test framework to exercise code at a finer granularity than is
> possible prior to this framework.
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