[jira] [Created] (FLINK-2010) Add test that verifies that chained tasks are properly checkpointed

[Shang Yuanchun (Jira)]

Stephan Ewen created FLINK-2010:
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             Summary: Add test that verifies that chained tasks are properly checkpointed
                 Key: FLINK-2010
                 URL: https://issues.apache.org/jira/browse/FLINK-2010
             Project: Flink
          Issue Type: Bug
          Components: Streaming
            Reporter: Stephan Ewen


Because this is critical logic, we should have a unit test for the {{StreamingTask}} validating that the state from all chained tasks is taken into account.

It needs to check
  - The "trigger checkpoint" method, and that the state handle handle in the checkpoint acknowledgement contains all the necessary state

  - The "restore state" method, that state is reset properly



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