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Fixes #59638

@nodejs-github-bot nodejs-github-bot added needs-ci PRs that need a full CI run. test Issues and PRs related to the tests. labels Aug 28, 2025
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@joyeecheung I would need an approval to be able to test it on CI

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codecov bot commented Aug 28, 2025

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.91%. Comparing base (ebd2da6) to head (030514c).
⚠️ Report is 24 commits behind head on main.

Additional details and impacted files
@@            Coverage Diff             @@
##             main   #59667      +/-   ##
==========================================
+ Coverage   89.90%   89.91%   +0.01%     
==========================================
  Files         667      667              
  Lines      196601   196600       -1     
  Branches    38599    38607       +8     
==========================================
+ Hits       176757   176782      +25     
+ Misses      12327    12267      -60     
- Partials     7517     7551      +34     

see 48 files with indirect coverage changes

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mcollina commented Aug 29, 2025

@mcollina mcollina added the request-ci Add this label to start a Jenkins CI on a PR. label Aug 29, 2025
@github-actions github-actions bot removed the request-ci Add this label to start a Jenkins CI on a PR. label Aug 29, 2025
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Screenshot 2025-08-29 at 10 00 45

@nodejs/build I'm having a bit of hard time in figuring out how to start the stress test CI

Rewrite test/parallel/test-fastutf8stream-sync.js and
test/parallel/test-fastutf8stream-flush-mocks.js to use node:test
with individual test functions and proper stream cleanup.

Key changes:
- Convert from block-based tests to individual test() functions
- Use once() from node:events for proper stream close event handling
- Ensure streams emit 'close' event before test completion for Windows
  compatibility
- Fix fsync mocking in flush tests to allow proper stream closure
- Each test runs independently with proper resource cleanup
@mcollina mcollina force-pushed the rewrite-fastutf8stream-tests-node-test branch from 13a64e6 to 030514c Compare August 29, 2025 11:51
@mcollina mcollina added the request-ci Add this label to start a Jenkins CI on a PR. label Aug 31, 2025
@github-actions github-actions bot removed the request-ci Add this label to start a Jenkins CI on a PR. label Aug 31, 2025
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Failed to start CI
   ⚠  Commits were pushed since the last approving review:
   ⚠  - test: rewrite fastutf8stream tests to use node:test
   ✘  Refusing to run CI on potentially unsafe PR
https://github.com/nodejs/node/actions/runs/17357709189

@github-actions github-actions bot added the request-ci-failed An error occurred while starting CI via request-ci label, and manual interventon is needed. label Aug 31, 2025
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mcollina commented Sep 1, 2025

Ok it seems that the stress test CI now started: https://ci.nodejs.org/view/Stress/job/node-stress-single-test/615/.

I had to pick win2022-vs2022_clang as a configuration.

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FWIW the original flakes are now gone in the reliability report https://github.com/nodejs/reliability/blob/main/reports/2025-09-01.md

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mcollina commented Sep 1, 2025

The problem is still there, it really depends on the drive of those virtual machines.

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parallel/test-fastutf8stream-flush-mocks and parallel/test-fastutf8stream-sync are flaky on Windows
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