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Posted to dev@flink.apache.org by "Chesnay Schepler (JIRA)" <ji...@apache.org> on 2017/12/11 14:16:00 UTC

[jira] [Created] (FLINK-8238) StreamTaskTestHarness should only allow one setup call

Chesnay Schepler created FLINK-8238:
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             Summary: StreamTaskTestHarness should only allow one setup call
                 Key: FLINK-8238
                 URL: https://issues.apache.org/jira/browse/FLINK-8238
             Project: Flink
          Issue Type: Improvement
          Components: Streaming, Tests
    Affects Versions: 1.5.0
            Reporter: Chesnay Schepler
             Fix For: 1.5.0


The {{StreamTaskTestHarness}} offers 2 methods for settting up an {{OperatorChain}}:
* setupOutputForSingletonOperatorChain
* setupOperatorChain

We should add a check to make sure that only one of these methods is called. Calling both methods leads to undefined behavior by the task and is a bit tricky to debug.



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