[jira] [Created] (FLINK-24364) Add a delayed message cancellation to the embedded smoke test

["Igal Shilman (Jira)" <ji...@apache.org>]

Igal Shilman created FLINK-24364:
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             Summary: Add a delayed message cancellation to the embedded smoke test
                 Key: FLINK-24364
                 URL: https://issues.apache.org/jira/browse/FLINK-24364
             Project: Flink
          Issue Type: Improvement
          Components: Stateful Functions
            Reporter: Igal Shilman


StateFun supports sending delayed messages with a user defined cancellation token, and in addition canceling delayed messaging by providing this token.

This feature is based on best-effort and it is non-deterministic, therefore it is difficult to craft an e2e test to capture it (it is covered with a unit test, where the exact conditions can be fixed)

I propose non the less, to add it to the smoke as a leaf command, meaning, a command that doesn't result in state increment either). But nevertheless it basically simulates a user that is "clicking around".



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