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[No QA] test: add a test for API.write() persistence ordering#82434

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mountiny merged 4 commits intoExpensify:mainfrom
callstack-internal:sequential-queue-issue-1
Feb 18, 2026
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[No QA] test: add a test for API.write() persistence ordering#82434
mountiny merged 4 commits intoExpensify:mainfrom
callstack-internal:sequential-queue-issue-1

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@adhorodyski adhorodyski commented Feb 13, 2026

@OlimpiaZurek @TMisiukiewicz @mountiny

Explanation of Change

Adds a test asserting that Onyx.set(PERSISTED_REQUESTS) is called before Onyx.update(optimisticData) during API.write(). Currently the order is reversed, meaning a crash after optimistic updates but before persistence would lose the write request.

Fixed Issues

$ #80759
PROPOSAL: #80759 (comment)

Tests

This cannot be tested in-app (easily) as per the linked issue, as we're chasing a really long-running issue with the sequential queue. Adding NO QA.

Offline tests

QA Steps

Same as tests.

PR Author Checklist

  • I linked the correct issue in the ### Fixed Issues section above
  • I wrote clear testing steps that cover the changes made in this PR
    • I added steps for local testing in the Tests section
    • I added steps for the expected offline behavior in the Offline steps section
    • I added steps for Staging and/or Production testing in the QA steps section
    • I added steps to cover failure scenarios (i.e. verify an input displays the correct error message if the entered data is not correct)
    • I turned off my network connection and tested it while offline to ensure it matches the expected behavior (i.e. verify the default avatar icon is displayed if app is offline)
    • I tested this PR with a High Traffic account against the staging or production API to ensure there are no regressions (e.g. long loading states that impact usability).
  • I included screenshots or videos for tests on all platforms
  • I ran the tests on all platforms & verified they passed on:
    • Android: Native
    • Android: mWeb Chrome
    • iOS: Native
    • iOS: mWeb Safari
    • MacOS: Chrome / Safari
  • I verified there are no console errors (if there's a console error not related to the PR, report it or open an issue for it to be fixed)
  • I verified there are no new alerts related to the canBeMissing param for useOnyx
  • I followed proper code patterns (see Reviewing the code)
    • I verified that any callback methods that were added or modified are named for what the method does and never what callback they handle (i.e. toggleReport and not onIconClick)
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Screenshots/Videos

Android: Native
Android: mWeb Chrome
iOS: Native
iOS: mWeb Safari
MacOS: Chrome / Safari

…y#80759)

Adds an it.failing() test asserting that Onyx.set(PERSISTED_REQUESTS) is
called before Onyx.update(optimisticData) during API.write(). Currently
the order is reversed, meaning a crash after optimistic updates but before
persistence would lose the write request.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
adhorodyski and others added 2 commits February 13, 2026 18:02
…sify#80759)

Replace spy-ordering approach with a marker key that filters the exact
Onyx.update call, preventing false passes caused by unpredictable
invocationCallOrder across environments.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
@adhorodyski adhorodyski changed the title test: add failing test for API.write() persistence ordering (#80759) [No QA] test: add failing test for API.write() persistence ordering Feb 16, 2026
@adhorodyski adhorodyski marked this pull request as ready for review February 16, 2026 14:44
@adhorodyski adhorodyski requested a review from a team as a code owner February 16, 2026 14:44
@melvin-bot melvin-bot bot requested review from mananjadhav and removed request for a team February 16, 2026 14:44
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@mananjadhav Please copy/paste the Reviewer Checklist from here into a new comment on this PR and complete it. If you have the K2 extension, you can simply click: [this button]

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💡 Codex Review

Here are some automated review suggestions for this pull request.

Reviewed commit: a6c264cb1a

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// We use ONYXKEYS.IS_CHECKING_PUBLIC_ROOM as a sample key to identify the marker
const hasMarker = data.some((entry) => entry.key === ONYXKEYS.IS_CHECKING_PUBLIC_ROOM);
if (hasMarker) {
requestPersistedBeforeOptimistic = PersistedRequests.getAll().some((r) => r.command === 'MockCommand');

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P2 Badge Assert durable persistence rather than queue memory state

This check records success from PersistedRequests.getAll() during optimistic Onyx.update, but getAll() only reflects in-memory state, not whether the request has been written to storage. In src/libs/actions/PersistedRequests.ts, save() updates the in-memory array before calling Onyx.set(...), so this test can pass even when the request is not yet durable and a crash would still drop it. As written, the test does not actually guard the persistence guarantee described in the PR.

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The test is marked it.failing to document a known bug where the request isn't even in the in-memory queue before optimistic data fires. If the weaker (in-memory) ordering invariant doesn't hold, the stronger (disk durability) guarantee is certainly broken too.

Added a clarifying code comment to make this explicit. Once the fix lands and the ordering is corrected, save() will complete Onyx.set() before optimistic data is applied, satisfying both properties.

});

try {
API.write('MockCommand' as WriteCommand, {param1: 'value1'} as ApiRequestCommandParameters[WriteCommand], {

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P2 Badge Await write completion before asserting ordering flag

The test calls API.write(...) and immediately asserts requestPersistedBeforeOptimistic without awaiting the returned promise or a queue flush. If the eventual fix makes persistence ordering asynchronous (for example by waiting for Onyx.set), this assertion can run too early and fail for timing reasons, causing it.failing to pass for the wrong reason and masking regressions.

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Reviewer Checklist

  • I have verified the author checklist is complete (all boxes are checked off).
  • I verified the correct issue is linked in the ### Fixed Issues section above
  • I verified testing steps are clear and they cover the changes made in this PR
    • I verified the steps for local testing are in the Tests section
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    • I turned off my network connection and tested it while offline to ensure it matches the expected behavior (i.e. verify the default avatar icon is displayed if app is offline)
  • I checked that screenshots or videos are included for tests on all platforms
  • I included screenshots or videos for tests on all platforms
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Android: HybridApp
Android: mWeb Chrome
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iOS: mWeb Safari
MacOS: Chrome / Safari

mountiny
mountiny previously approved these changes Feb 16, 2026
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Can you address the AI comments please

@adhorodyski
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Might be valid, I will address them in the morning

@adhorodyski adhorodyski changed the title [No QA] test: add failing test for API.write() persistence ordering HOLD [No QA] test: add failing test for API.write() persistence ordering Feb 16, 2026
…sify#80759)

it.failing masks regressions since any error counts as expected failure.
Replace with a regular test that guards the mock fired, then explicitly
asserts the current buggy ordering (toBe(false)). When fixed, flip to
toBe(true).

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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I have addressed them where valid, most importantly changing it.failing to test() because it could actually fail for whatever reason and slip through. Ready for another round of reviews.

@adhorodyski adhorodyski changed the title HOLD [No QA] test: add failing test for API.write() persistence ordering HOLD [No QA] test: add a test for API.write() persistence ordering Feb 17, 2026
@adhorodyski adhorodyski changed the title HOLD [No QA] test: add a test for API.write() persistence ordering [No QA] test: add a test for API.write() persistence ordering Feb 17, 2026
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Let's rerun codex here as well

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@codex review

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@mountiny mountiny merged commit 4f14b83 into Expensify:main Feb 18, 2026
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@adhorodyski adhorodyski deleted the sequential-queue-issue-1 branch February 18, 2026 14:40
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🚀 Deployed to staging by https://github.com/mountiny in version: 9.3.22-0 🚀

platform result
🕸 web 🕸 success ✅
🤖 android 🤖 cancelled 🔪
🍎 iOS 🍎 cancelled 🔪

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🚀 Deployed to production by https://github.com/mountiny in version: 9.3.22-4 🚀

platform result
🕸 web 🕸 cancelled 🔪
🤖 android 🤖 success ✅
🍎 iOS 🍎 cancelled 🔪

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🚀 Deployed to production by https://github.com/mountiny in version: 9.3.22-4 🚀

platform result
🕸 web 🕸 failure ❌
🤖 android 🤖 success ✅
🍎 iOS 🍎 cancelled 🔪

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5 participants