[jira] [Assigned] (FLINK-5272) Refactor the stream Scala-expression Table API tests

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

     [ https://issues.apache.org/jira/browse/FLINK-5272?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

sunjincheng reassigned FLINK-5272:
----------------------------------

    Assignee: sunjincheng

> Refactor the stream Scala-expression Table API tests
> ----------------------------------------------------
>
>                 Key: FLINK-5272
>                 URL: https://issues.apache.org/jira/browse/FLINK-5272
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Table API & SQL
>    Affects Versions: 1.2.0
>            Reporter: Fabian Hueske
>            Assignee: sunjincheng
>
> Most tests of the streaming Scala Table API tests are full-blown integration tests which are rather expensive to execute.
> Most of tests should be converted into unit tests that validate the resulting execution plan (consisting of {{DataStreamRel}} nodes) based on the {{TableTestBase}} class.
> In addition we need a few integration tests that check the translation from the optimized {{DataStreamRel}} plan to a DataStream program. These tests should be implemented by extending the {{StreamingMultipleProgramsTestBase}} and be located in few classes to avoid repeated instantiations of the FLink MiniCluster. 
> These tests must cover the translation process of each {{DataStreamRel}} operator.



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