[jira] [Updated] (SAMZA-681) Create a unit test harness to easily test samza tasks

["Luis De Pombo (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SAMZA-681?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Luis De Pombo updated SAMZA-681:
--------------------------------
    Attachment: SAMZA-381.patch

> Create a unit test harness to easily test samza tasks
> -----------------------------------------------------
>
>                 Key: SAMZA-681
>                 URL: https://issues.apache.org/jira/browse/SAMZA-681
>             Project: Samza
>          Issue Type: Test
>          Components: test
>    Affects Versions: 0.9.0
>            Reporter: Luis De Pombo
>            Assignee: Luis De Pombo
>         Attachments: SAMZA-381.patch
>
>
> We don't have a standardized test framework for unit testing samza tasks. Currently, in order to test the proper functionality of a task we have to bring up the system (kafka) and its dependencies (zk). 
> Goals:
> - The harness should abstract several notions around the system and its partitions, without mocking them, and hold task context and state in memory. 
> - The harness should let you inject several <key,value> pairs that would normally be passed in by the `SystemStream` provided in `tasks.input`. 
> - The same harness should offer an interface to visualize all the corresponding <key,value> pairs collected in the message `Collector`, which are the output of the `process`ed or `window`ed input <key,value> pairs previously injected.



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