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https://issues.apache.org/jira/browse/SPARK-61090?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated SPARK-61090:
-----------------------------------
    Labels: pull-request-available  (was: )

> Harden reattach cleanup regression tests in Spark Connect Rust
> --------------------------------------------------------------
>
>                 Key: SPARK-61090
>                 URL: https://issues.apache.org/jira/browse/SPARK-61090
>             Project: Spark
>          Issue Type: Test
>          Components: Connect
>    Affects Versions: connect-rust-4.3.0
>            Reporter: DB Tsai
>            Assignee: DB Tsai
>            Priority: Minor
>              Labels: pull-request-available
>             Fix For: connect-rust-4.3.0
>
>
> The loopback gRPC tests added by SPARK-60966 / PR #172 cover reattachable 
> execution cleanup, but leave several request-propagation and failure-path 
> contracts unobserved. Harden that fixture so regressions produce direct, 
> independently named test failures.
> * Verify ExecutePlan identity, reattachable options, authentication and 
> custom headers, and verify identity and headers on ReattachExecute.
> * Exercise INTERNAL / INVALID_CURSOR.DISCONNECTED and a permanent 
> PermissionDenied reattach failure. Check error details, cleanup while the 
> stream remains alive, and absence of retry or duplicate release requests.
> * Split combined scenarios into named tests, bound outside-runtime Drop 
> completion with an asynchronous signal, and report excess release counts 
> directly.
> This changes only regression tests. No production defect or user-facing 
> behavior change was demonstrated.
> Implementation: https://github.com/apache/spark-connect-rust/pull/284
> Original coverage: https://github.com/apache/spark-connect-rust/pull/172
> The full patch received independent Claude Code source review, and git diff 
> --check passed. Rust tests and formatting could not run locally because the 
> Rust/Cargo toolchain was unavailable; these are not claimed as local passes.



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