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Posted to issues@flink.apache.org by "Aljoscha Krettek (JIRA)" <ji...@apache.org> on 2017/08/30 08:56:00 UTC

[jira] [Commented] (FLINK-7554) Add a testing RuntimeContext to test utilities

    [ https://issues.apache.org/jira/browse/FLINK-7554?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16146919#comment-16146919 ] 

Aljoscha Krettek commented on FLINK-7554:
-----------------------------------------

I think this would go in the same direction as the current stream operator test harnesses. I like it!

> Add a testing RuntimeContext to test utilities
> ----------------------------------------------
>
>                 Key: FLINK-7554
>                 URL: https://issues.apache.org/jira/browse/FLINK-7554
>             Project: Flink
>          Issue Type: New Feature
>          Components: Tests
>            Reporter: Timo Walther
>              Labels: starter
>
> When unit testing user-defined functions it would be useful to have an official testing {{RuntimeContext}} that uses Java collections for storing state, metrics, etc.
> After executing the business logic, the user could then verify how the state of the UDF changed or which metrics have been collected.
> This issue includes documentation for the "Testing" section.



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