[PR] test: cover null list, literal null strings and distribution ordering in ProducerConnectionSummaryVO [rocketmq-dashboard]

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

yyqdbngt opened a new pull request, #3432:
URL: https://github.com/apache/rocketmq-dashboard/pull/3432

   ### Summary
   
   `ProducerConnectionSummaryVO.from` aggregates producer connections into counts, language/version distributions and readiness warnings. The suite covered empty lists, null entries, mixed versions and incomplete metadata, but not the null list itself, literal `"null"` values or distribution tie ordering.
   
   ### Changes
   
   - A `null` connection list yields zero counts and the `UNAVAILABLE`/`NO_CONNECTIONS` state
   - A client id of the literal string `"null"` counts toward totals but not unique metadata, and warns as incomplete
   - Distribution entries are trimmed before grouping and sorted by count descending, then name ascending (ties order alphabetically)
   
   ### Testing
   
   `mvn test -Dtest=ProducerConnectionSummaryVOTest` passes: 7 tests, 0 failures (up from 4).


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Re: [PR] test: cover null list, literal null strings and distribution ordering in ProducerConnectionSummaryVO [rocketmq-dashboard]

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

lizhimins closed pull request #3432: test: cover null list, literal null strings and distribution ordering in ProducerConnectionSummaryVO
URL: https://github.com/apache/rocketmq-dashboard/pull/3432


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