zhijiangW opened a new pull request #11441: [FLINK-16653][network][tests] Introduce ResultPartitionWriterTestBase for simplifying tests URL: https://github.com/apache/flink/pull/11441 ## What is the purpose of the change At the moment there are at-least four implementations of `ResultPartitionWriter` interface used in unit tests. And there are about ten methods to be implemented for `ResultPartitionWriter` and most of them are dummy in tests. When we want to extend the methods for `ResultPartitionWriter`, the above four dummy implementations in tests have to be adjusted as well, to waste a bit efforts. Therefore the abstract ResultPartitionWriterTestBase is proposed to implement the basic dummy methods for `ResultPartitionWriter`, and the previous four instances can all extend it to only implement one or two methods based on specific requirements in tests. It will probably only need to adjust the ResultPartitionWriterTestBase when extending the `ResultPartitionWriter` interface. ## Brief change log - *Introduce abstract ResultPartitionWriterTestBase to implement `ResultPartitionWriter`* - *Make previous related `ResultPartitionWriter` instances to extend `ResultPartitionWriterTestBase` ## Verifying this change This change is a trivial rework / code cleanup without any test coverage. ## Does this pull request potentially affect one of the following parts: - Dependencies (does it add or upgrade a dependency): (yes / **no**) - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (yes / **no**) - The serializers: (yes / **no** / don't know) - The runtime per-record code paths (performance sensitive): (yes / **no** / don't know) - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Kubernetes/Yarn/Mesos, ZooKeeper: (yes / **no** / don't know) - The S3 file system connector: (yes / **no** / don't know) ## Documentation - Does this pull request introduce a new feature? (yes / **no**) - If yes, how is the feature documented? (**not applicable** / docs / JavaDocs / not documented)
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