[GitHub] TisonKun opened a new pull request #7570: [FLINK-11422] Prefer testing class to mock StreamTask in AbstractStre…

[GitBox <gi...@apache.org>]

TisonKun opened a new pull request #7570: [FLINK-11422] Prefer testing class to mock StreamTask in AbstractStre…
URL: https://github.com/apache/flink/pull/7570
 
 
   …amOperatorTestHarness
   
   ## What is the purpose of the change
   
   As title, we prefer using a testing class to a mockito mock.
   
   ## Brief change log
   
   Introduce an inner class `MockStreamTask` and replace mock StreamTask with it.
   
   ## Verifying this change
   
   This change is already covered by existing tests that using StreamOperatorTestHarness.
   
   ## Does this pull request potentially affect one of the following parts:
   
     - Dependencies (does it add or upgrade a dependency): (no)
     - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (no)
     - The serializers: (no)
     - The runtime per-record code paths (performance sensitive):(no)
     - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: (no)
     - The S3 file system connector: (no)
   
   ## Documentation
   
     - Does this pull request introduce a new feature? (no)
     - If yes, how is the feature documented? (not applicable)
   
   cc @pnowojski 
   

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