[jira] [Updated] (KAFKA-3538) Abstract the creation/retrieval of Producer for stream sinks for unit testing

["Guozhang Wang (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-3538?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Guozhang Wang updated KAFKA-3538:
---------------------------------
    Fix Version/s: 0.10.1.0

> Abstract the creation/retrieval of Producer for stream sinks for unit testing
> -----------------------------------------------------------------------------
>
>                 Key: KAFKA-3538
>                 URL: https://issues.apache.org/jira/browse/KAFKA-3538
>             Project: Kafka
>          Issue Type: New Feature
>          Components: streams
>    Affects Versions: 0.10.1.0
>            Reporter: Michael Coon
>            Assignee: Guozhang Wang
>            Priority: Minor
>              Labels: semantics
>             Fix For: 0.10.1.0
>
>
> The StreamThread creates producer/consumers directly as KafkaProducer and KafkaConsumer, thus eliminating my ability to unit test my streams code without having an active Kafka nearby. Could this be abstracted in a way that it relies on an optional ProducerProvider or ConsumerProvider implementation that could inject a mock producer/consumer for unit testing? We do this in all our kafka code for unit testing and if a provider is not offered at runtime, we create the concrete KafkaProdocer/Consumer components by default.



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