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test_runner: Fix mock timer issues #50384

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merged 5 commits into from
Nov 12, 2023

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There were various issues in the mock timer implementation causing deviations from expected behavior. This adds tests and fixes these issues. See the issues below for details:

Fixes: #50365
Fixes: #50381
Fixes: #50382

An incorrect early return caused processing of due timers to stop
prematurely.

Fixes: nodejs#50382
mocked setInterval used the wrong increment when scheduling the new
timer.

Fixes: nodejs#50382
Removal of mocket timers from the priority queue was broken. It used the
timerId instead of the position in the queue as index. This lead to
removal of incorrect timers from the queue causing timers not to be
scheduled at all.

Also, aborts caused removal from the queue even when the timer was
already triggered, and thus no longer present in the queue.

Fixes: nodejs#50365
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nodejs-github-bot commented Oct 25, 2023

Review requested:

  • @nodejs/test_runner

@nodejs-github-bot nodejs-github-bot added needs-ci PRs that need a full CI run. test_runner Issues and PRs related to the test runner subsystem. labels Oct 25, 2023
@mika-fischer mika-fischer changed the title Fix mock timer issues test_runner: Fix mock timer issues Oct 25, 2023
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Nice work!

@atlowChemi atlowChemi added author ready PRs that have at least one approval, no pending requests for changes, and a CI started. request-ci Add this label to start a Jenkins CI on a PR. labels Oct 26, 2023
@github-actions github-actions bot removed the request-ci Add this label to start a Jenkins CI on a PR. label Oct 26, 2023
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@anonrig anonrig added the request-ci Add this label to start a Jenkins CI on a PR. label Oct 31, 2023
@github-actions github-actions bot removed the request-ci Add this label to start a Jenkins CI on a PR. label Oct 31, 2023
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Anything I can do to move this along?

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nodejs-github-bot commented Nov 2, 2023

@jasnell jasnell added the commit-queue Add this label to land a pull request using GitHub Actions. label Nov 11, 2023
@nodejs-github-bot nodejs-github-bot removed the commit-queue Add this label to land a pull request using GitHub Actions. label Nov 11, 2023
@nodejs-github-bot nodejs-github-bot added the commit-queue-failed An error occurred while landing this pull request using GitHub Actions. label Nov 11, 2023
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Commit Queue failed
- Loading data for nodejs/node/pull/50384
✔  Done loading data for nodejs/node/pull/50384
----------------------------------- PR info ------------------------------------
Title      test_runner: Fix mock timer issues (#50384)
Author     Mika Fischer  (@mika-fischer)
Branch     mika-fischer:fix-mock-timer-issues -> nodejs:main
Labels     author ready, needs-ci, test_runner
Commits    5
 - test_runner: add tests for various mock timer issues
 - test_runner: fix tick processing terminating prematurely
 - test_runner: fix mocked setInterval using the wrong interval
 - test_runner: fix incorrect cleanup of timers
 - Update test/parallel/test-runner-mock-timers.js
Committers 2
 - Mika Fischer 
 - GitHub 
PR-URL: https://github.com/nodejs/node/pull/50384
Fixes: https://github.com/nodejs/node/issues/50365
Fixes: https://github.com/nodejs/node/issues/50381
Fixes: https://github.com/nodejs/node/issues/50382
Reviewed-By: Benjamin Gruenbaum 
Reviewed-By: Chemi Atlow 
Reviewed-By: James M Snell 
------------------------------ Generated metadata ------------------------------
PR-URL: https://github.com/nodejs/node/pull/50384
Fixes: https://github.com/nodejs/node/issues/50365
Fixes: https://github.com/nodejs/node/issues/50381
Fixes: https://github.com/nodejs/node/issues/50382
Reviewed-By: Benjamin Gruenbaum 
Reviewed-By: Chemi Atlow 
Reviewed-By: James M Snell 
--------------------------------------------------------------------------------
   ℹ  This PR was created on Wed, 25 Oct 2023 10:13:19 GMT
   ✔  Approvals: 3
   ✔  - Benjamin Gruenbaum (@benjamingr) (TSC): https://github.com/nodejs/node/pull/50384#pullrequestreview-1698099014
   ✔  - Chemi Atlow (@atlowChemi): https://github.com/nodejs/node/pull/50384#pullrequestreview-1698665528
   ✔  - James M Snell (@jasnell) (TSC): https://github.com/nodejs/node/pull/50384#pullrequestreview-1702811208
   ✔  Last GitHub CI successful
   ℹ  Last Full PR CI on 2023-11-02T13:56:29Z: https://ci.nodejs.org/job/node-test-pull-request/55423/
- Querying data for job/node-test-pull-request/55423/
   ✔  Last Jenkins CI successful
--------------------------------------------------------------------------------
   ✔  No git cherry-pick in progress
   ✔  No git am in progress
   ✔  No git rebase in progress
--------------------------------------------------------------------------------
- Bringing origin/main up to date...
From https://github.com/nodejs/node
 * branch                  main       -> FETCH_HEAD
   6b27f5b09e..83e6350b82  main       -> origin/main
✔  origin/main is now up-to-date
main is out of sync with origin/main. Mismatched commits:
 - 73aab9193b errors: improve hideStackFrames
 - 83e6350b82 errors: improve hideStackFrames
--------------------------------------------------------------------------------
HEAD is now at 83e6350b82 errors: improve hideStackFrames
   ✔  Reset to origin/main
- Downloading patch for 50384
From https://github.com/nodejs/node
 * branch                  refs/pull/50384/merge -> FETCH_HEAD
✔  Fetched commits as 83e6350b826a..1f91c1fed83b
--------------------------------------------------------------------------------
Auto-merging test/parallel/test-runner-mock-timers.js
[main fe61727cef] test_runner: add tests for various mock timer issues
 Author: Mika Fischer 
 Date: Wed Oct 25 10:50:11 2023 +0200
 1 file changed, 85 insertions(+)
[main 3fe95d485e] test_runner: fix tick processing terminating prematurely
 Author: Mika Fischer 
 Date: Tue Oct 24 19:46:03 2023 +0200
 1 file changed, 1 deletion(-)
[main 3ecafa459c] test_runner: fix mocked setInterval using the wrong interval
 Author: Mika Fischer 
 Date: Tue Oct 24 19:47:47 2023 +0200
 1 file changed, 2 insertions(+), 2 deletions(-)
[main 5c4a7c7d38] test_runner: fix incorrect cleanup of timers
 Author: Mika Fischer 
 Date: Wed Oct 25 09:52:39 2023 +0200
 1 file changed, 14 insertions(+), 10 deletions(-)
Auto-merging test/parallel/test-runner-mock-timers.js
[main a95c9d8fef] Update test/parallel/test-runner-mock-timers.js
 Author: Mika Fischer 
 Date: Fri Oct 27 10:15:21 2023 +0200
 1 file changed, 1 insertion(+), 1 deletion(-)
   ✔  Patches applied
There are 5 commits in the PR. Attempting autorebase.
Rebasing (2/10)

Executing: git node land --amend --yes
--------------------------------- New Message ----------------------------------
test_runner: add tests for various mock timer issues

PR-URL: #50384
Fixes: #50365
Fixes: #50381
Fixes: #50382
Reviewed-By: Benjamin Gruenbaum [email protected]
Reviewed-By: Chemi Atlow [email protected]
Reviewed-By: James M Snell [email protected]

[detached HEAD 83a9752d6b] test_runner: add tests for various mock timer issues
Author: Mika Fischer [email protected]
Date: Wed Oct 25 10:50:11 2023 +0200
1 file changed, 85 insertions(+)
Rebasing (3/10)
Rebasing (4/10)

Executing: git node land --amend --yes
⚠ Found Fixes: #50382, skipping..
--------------------------------- New Message ----------------------------------
test_runner: fix tick processing terminating prematurely

An incorrect early return caused processing of due timers to stop
prematurely.

Fixes: #50382
PR-URL: #50384
Fixes: #50365
Fixes: #50381
Reviewed-By: Benjamin Gruenbaum [email protected]
Reviewed-By: Chemi Atlow [email protected]
Reviewed-By: James M Snell [email protected]

[detached HEAD 01708bf8db] test_runner: fix tick processing terminating prematurely
Author: Mika Fischer [email protected]
Date: Tue Oct 24 19:46:03 2023 +0200
1 file changed, 1 deletion(-)
Rebasing (5/10)
Rebasing (6/10)

Executing: git node land --amend --yes
⚠ Found Fixes: #50382, skipping..
--------------------------------- New Message ----------------------------------
test_runner: fix mocked setInterval using the wrong interval

mocked setInterval used the wrong increment when scheduling the new
timer.

Fixes: #50382
PR-URL: #50384
Fixes: #50365
Fixes: #50381
Reviewed-By: Benjamin Gruenbaum [email protected]
Reviewed-By: Chemi Atlow [email protected]
Reviewed-By: James M Snell [email protected]

[detached HEAD 0518b2218e] test_runner: fix mocked setInterval using the wrong interval
Author: Mika Fischer [email protected]
Date: Tue Oct 24 19:47:47 2023 +0200
1 file changed, 2 insertions(+), 2 deletions(-)
Rebasing (7/10)
Rebasing (8/10)

Executing: git node land --amend --yes
⚠ Found Fixes: #50365, skipping..
--------------------------------- New Message ----------------------------------
test_runner: fix incorrect cleanup of timers

Removal of mocket timers from the priority queue was broken. It used the
timerId instead of the position in the queue as index. This lead to
removal of incorrect timers from the queue causing timers not to be
scheduled at all.

Also, aborts caused removal from the queue even when the timer was
already triggered, and thus no longer present in the queue.

Fixes: #50365
PR-URL: #50384
Fixes: #50381
Fixes: #50382
Reviewed-By: Benjamin Gruenbaum [email protected]
Reviewed-By: Chemi Atlow [email protected]
Reviewed-By: James M Snell [email protected]

[detached HEAD 5aff931d9b] test_runner: fix incorrect cleanup of timers
Author: Mika Fischer [email protected]
Date: Wed Oct 25 09:52:39 2023 +0200
1 file changed, 14 insertions(+), 10 deletions(-)
Rebasing (9/10)
Rebasing (10/10)

Executing: git node land --amend --yes
--------------------------------- New Message ----------------------------------
Update test/parallel/test-runner-mock-timers.js

Co-authored-by: Raz Luvaton [email protected]
PR-URL: #50384
Fixes: #50365
Fixes: #50381
Fixes: #50382
Reviewed-By: Benjamin Gruenbaum [email protected]
Reviewed-By: Chemi Atlow [email protected]
Reviewed-By: James M Snell [email protected]

[detached HEAD 89e6a5b6d8] Update test/parallel/test-runner-mock-timers.js
Author: Mika Fischer [email protected]
Date: Fri Oct 27 10:15:21 2023 +0200
1 file changed, 1 insertion(+), 1 deletion(-)

Successfully rebased and updated refs/heads/main.

ℹ Add commit-queue-squash label to land the PR as one commit, or commit-queue-rebase to land as separate commits.

https://github.com/nodejs/node/actions/runs/6835327454

@atlowChemi atlowChemi added commit-queue Add this label to land a pull request using GitHub Actions. commit-queue-squash Add this label to instruct the Commit Queue to squash all the PR commits into the first one. and removed commit-queue-failed An error occurred while landing this pull request using GitHub Actions. labels Nov 12, 2023
@nodejs-github-bot nodejs-github-bot removed the commit-queue Add this label to land a pull request using GitHub Actions. label Nov 12, 2023
@nodejs-github-bot nodejs-github-bot merged commit 314c8f9 into nodejs:main Nov 12, 2023
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Landed in 314c8f9

targos pushed a commit that referenced this pull request Nov 23, 2023
PR-URL: #50384
Fixes: #50365
Fixes: #50381
Fixes: #50382
Reviewed-By: Benjamin Gruenbaum <[email protected]>
Reviewed-By: Chemi Atlow <[email protected]>
Reviewed-By: James M Snell <[email protected]>
@RafaelGSS RafaelGSS mentioned this pull request Nov 28, 2023
UlisesGascon pushed a commit that referenced this pull request Dec 11, 2023
PR-URL: #50384
Fixes: #50365
Fixes: #50381
Fixes: #50382
Reviewed-By: Benjamin Gruenbaum <[email protected]>
Reviewed-By: Chemi Atlow <[email protected]>
Reviewed-By: James M Snell <[email protected]>
@UlisesGascon UlisesGascon mentioned this pull request Dec 12, 2023
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