Matthias Pohl created FLINK-31014:
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Summary: Expose exceptions in connector testing framework
Key: FLINK-31014
URL: https://issues.apache.org/jira/browse/FLINK-31014
Project: Flink
Issue Type: Improvement
Components: API / DataStream, Test Infrastructure
Affects Versions: 1.16.1, 1.17.0, 1.18.0
Reporter: Matthias Pohl
I noticed for a few interfaces that we don't expose checked exceptions where
it's actually useful. {{DataStreamSinkV2ExternalContext.createSink}}, for
instance, is not exposing any Throwable except for
{{UnsupportedOperationException}}. This implies that internal caught exception
need to be either caught and transformed into a {{RuntimeException}} or handled
internally. AFAIU, that's not what we want. The connector testing framework
wants exceptions to be exposed. Therefore, we should improve the interfaces of
the framework to allow exceptions to happen (probably depending on the usecase).
This makes it easier for contributors implementing test cases for their
connector giving them the freedom to just expose undesired exceptions instead
of handling them internally. JUnit should be the actor dealing with these
exceptions.
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