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Posted to jira@kafka.apache.org by "John Roesler (JIRA)" <ji...@apache.org> on 2018/03/27 23:22:00 UTC

[jira] [Closed] (KAFKA-6473) Add MockProcessorContext to public test-utils

     [ https://issues.apache.org/jira/browse/KAFKA-6473?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

John Roesler closed KAFKA-6473.
-------------------------------

The PR for this work is merged: https://github.com/apache/kafka/pull/4736

> Add MockProcessorContext to public test-utils
> ---------------------------------------------
>
>                 Key: KAFKA-6473
>                 URL: https://issues.apache.org/jira/browse/KAFKA-6473
>             Project: Kafka
>          Issue Type: Improvement
>          Components: streams
>    Affects Versions: 1.1.0
>            Reporter: Matthias J. Sax
>            Assignee: John Roesler
>            Priority: Major
>              Labels: needs-kip, user-experience
>             Fix For: 1.2.0
>
>
> With KIP-247, we added public test-utils artifact with a TopologyTestDriver class. Using the test driver for a single Processor/Transformer/ValueTransformer it's required to specify a whole topology with source and sink and plus the Processor/Transformer/ValueTransformer into it.
> For unit testing, it might be more convenient to have a MockProcessorContext, that can be used to test the Processor/Transformer/ValueTransformer in isolation. Ie, the test itself creates new Processor/Transformer/ValueTransformer object and calls init() manually passing in the MockProcessorContext.
> This is a public API change and requires a KIP: https://cwiki.apache.org/confluence/display/KAFKA/Kafka+Improvement+Proposals



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