[jira] [Assigned] (BEAM-2577) IO tests should exercise Runtime Values where supported

["Davor Bonaci (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/BEAM-2577?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Davor Bonaci reassigned BEAM-2577:
----------------------------------

    Assignee:     (was: Davor Bonaci)

> IO tests should exercise Runtime Values where supported
> -------------------------------------------------------
>
>                 Key: BEAM-2577
>                 URL: https://issues.apache.org/jira/browse/BEAM-2577
>             Project: Beam
>          Issue Type: Bug
>          Components: sdk-java-extensions, testing
>            Reporter: Ben Chambers
>
> The only tests I have found for `ValueProvider<?>` parameterized methods is that they are not evaluated during pipeline construction time. This is missing out on several important pieces:
> 1. https://stackoverflow.com/questions/44967898/notify-when-textio-is-done-writing-a-file seems to be a problem with an AvroIO write using a RuntimeValueProvider being non-serializable (current theory is because of an anonymous inner class capturing the enclosing AvroIO.Write instance which has non-serializable fields).
> 2. Testing that the code paths that actually read the file do so correctly when parameterized.
> We should update the developer documentation to describe what the requirements are for a parameterized IO and provide guidance on what tests are needed and how to write them.



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