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test: reduce flakiness of test-esm-loader-hooks #49248

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merged 3 commits into from
Aug 20, 2023
Merged

test: reduce flakiness of test-esm-loader-hooks #49248

merged 3 commits into from
Aug 20, 2023

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aduh95
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@aduh95 aduh95 commented Aug 19, 2023

It seems that #49105 wasn't enough to address the issue on every platforms.

@nodejs-github-bot nodejs-github-bot added esm Issues and PRs related to the ECMAScript Modules implementation. needs-ci PRs that need a full CI run. test Issues and PRs related to the tests. labels Aug 19, 2023
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MoLow commented Aug 19, 2023

LGTM on the solution but I am a little concerned (as I expressed in #49105) that this is the experience loader authors will have

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I misunderstood the Slack thread—I thought we were suggesting a change to the implementation.

Mm, seconding Moshe: This feels like sweeping a legit problem under the rug.

That said, I don't have a better idea right now, so if we can at least determine that a downstream solution is possible, that's worth ascertaining (and thanks for fielding 🙌)

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aduh95 commented Aug 19, 2023 •
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I am a little concerned (as I expressed in #49105) that this is the experience loader authors will have

That's still very much a Won't Fix, loaders thread is implemented in a way that it cannot make the process live longer than the main thread, for this reason it's expected that a test that relies work happening on the loader thread would be flaky – unless we force the main thread to stay alive, which is what this PR is doing.
This is the experience loader authors will have, and it's documented behavior: do not use the loader thread to do important work, there's no guarantee that the code outside of the actual hooks will run to completion (and even work happening in the hooks can be terminated at any time if the main thread exits).

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aduh95 commented Aug 19, 2023

Stress test CI: https://ci.nodejs.org/job/node-stress-single-test/416/

@GeoffreyBooth GeoffreyBooth added the fast-track PRs that do not need to wait for 48 hours to land. label Aug 19, 2023
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That’s still very much a Won’t Fix, loaders thread is implemented in a way that it cannot make the process live longer than the main thread

I agree with this. All sorts of loaders could be running long-lived processes that shouldn’t be artificially keeping the main thread alive if the main thread exits (intentionally or not). It’s far more important that the main thread exit in case of crash than that it be kept afloat because of activity in the loaders thread.

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CI: https://ci.nodejs.org/job/node-test-pull-request/53448/

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CI: https://ci.nodejs.org/job/node-test-pull-request/53449/

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CI: https://ci.nodejs.org/job/node-test-pull-request/53454/

@GeoffreyBooth GeoffreyBooth 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. labels Aug 20, 2023
@nodejs-github-bot nodejs-github-bot removed the commit-queue Add this label to land a pull request using GitHub Actions. label Aug 20, 2023
@nodejs-github-bot nodejs-github-bot merged commit 0daea96 into nodejs:main Aug 20, 2023
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@aduh95 aduh95 deleted the test-esm-hooks branch August 20, 2023 08:53
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UlisesGascon pushed a commit that referenced this pull request Sep 10, 2023
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test: reduce flakiness of test-esm-loader-hooks
910378f 
PR-URL: #49248
Reviewed-By: Moshe Atlow <moshe@atlow.co.il>
Reviewed-By: Jacob Smith <jacob@frende.me>
Reviewed-By: Geoffrey Booth <webadmin@geoffreybooth.com>
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
@UlisesGascon UlisesGascon mentioned this pull request Sep 10, 2023
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targos pushed a commit to targos/node that referenced this pull request Nov 11, 2023
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test: reduce flakiness of test-esm-loader-hooks
cf02160 
PR-URL: nodejs#49248
Reviewed-By: Moshe Atlow <moshe@atlow.co.il>
Reviewed-By: Jacob Smith <jacob@frende.me>
Reviewed-By: Geoffrey Booth <webadmin@geoffreybooth.com>
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
@targos targos mentioned this pull request Nov 11, 2023
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@targos targos added the backported-to-v18.x PRs backported to the v18.x-staging branch. label Nov 23, 2023
targos pushed a commit that referenced this pull request Nov 23, 2023
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test: reduce flakiness of test-esm-loader-hooks
e1c6f46 
PR-URL: #49248
Backport-PR-URL: #50669
Reviewed-By: Moshe Atlow <moshe@atlow.co.il>
Reviewed-By: Jacob Smith <jacob@frende.me>
Reviewed-By: Geoffrey Booth <webadmin@geoffreybooth.com>
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
@targos targos mentioned this pull request Nov 28, 2023
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sercher added a commit to sercher/graaljs that referenced this pull request Apr 25, 2024
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test: reduce flakiness of test-esm-loader-hooks
6b492da 
PR-URL: nodejs/node#49248
Backport-PR-URL: nodejs/node#50669
Reviewed-By: Moshe Atlow <moshe@atlow.co.il>
Reviewed-By: Jacob Smith <jacob@frende.me>
Reviewed-By: Geoffrey Booth <webadmin@geoffreybooth.com>
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
sercher added a commit to sercher/graaljs that referenced this pull request Apr 25, 2024
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test: reduce flakiness of test-esm-loader-hooks
85cdfb2 
PR-URL: nodejs/node#49248
Backport-PR-URL: nodejs/node#50669
Reviewed-By: Moshe Atlow <moshe@atlow.co.il>
Reviewed-By: Jacob Smith <jacob@frende.me>
Reviewed-By: Geoffrey Booth <webadmin@geoffreybooth.com>
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
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