[I] Add unit test coverage for operator utility classes (OperatorDescriptorUtils, DistributedAggregation, URLFetchUtil) [texera]

["aglinxinyuan (via GitHub)" <gi...@apache.org>]

aglinxinyuan opened a new issue, #5795:
URL: https://github.com/apache/texera/issues/5795

   ### Task Summary
   
   Three small utility classes/objects under `common/workflow-operator/` have no `<srcClassName>Spec.scala`. They underpin numerical-partition behavior across worker counts (`OperatorDescriptorUtils`), the distributed-aggregate contract every aggregator obeys (`DistributedAggregation`), and the user-facing URL-fetch retry path (`URLFetchUtil`).
   
   ### Scope
   
   | Source class | Lines | What's currently un-pinned |
   | --- | --- | --- |
   | `common/workflow-operator/.../util/OperatorDescriptorUtils.scala` | 52 | `equallyPartitionGoal(goal, workers)` sums to `goal`; ranges where `goal < workers`, `goal == workers`, `goal > workers`; remainder lands on the first `goal % workers` slots; `toImmutableMap` round-trip |
   | `common/workflow-operator/.../aggregate/DistributedAggregation.scala` | 52 | case-class equality + per-field accessors; end-to-end `init`→`iterate`→`merge`→`finalAgg` worked example (running average) |
   | `common/workflow-operator/.../source/fetcher/URLFetchUtil.scala` | 43 | success path returns `Some(stream)`; failure path retries N times and returns `None`; default `retries == 5` |
   
   ### Out of scope
   
   No production-code changes. One `<srcClassName>Spec.scala` per source class.
   
   ### Task Type
   
   - [x] Testing / QA


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Re: [I] Add unit test coverage for operator utility classes (OperatorDescriptorUtils, DistributedAggregation, URLFetchUtil) [texera]

["aglinxinyuan (via GitHub)" <gi...@apache.org>]

aglinxinyuan closed issue #5795: Add unit test coverage for operator utility classes (OperatorDescriptorUtils, DistributedAggregation, URLFetchUtil)
URL: https://github.com/apache/texera/issues/5795


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Re: [I] Add unit test coverage for operator utility classes (OperatorDescriptorUtils, DistributedAggregation, URLFetchUtil) [texera]

["github-actions[bot] (via GitHub)" <gi...@apache.org>]

github-actions[bot] commented on issue #5795:
URL: https://github.com/apache/texera/issues/5795#issuecomment-4749163152

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