test: rationalize Work Source E2E coverage - #209
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Included review availability: This review used your included allowance. Your plan provides up to 10 included reviews per hour; 7 remain after this review. 📝 WalkthroughWalkthroughThe documentation defines criteria for Chromium E2E coverage and records the Work Source coverage split. The E2E tests describe retained browser-specific behavior and remove two scenarios. A sync self-test checks that server acknowledgement values update the cached Work. ChangesWork Source coverage
Priority: ⬇️ Low Estimated code review effort: 2 (Simple) | ~10 minutes Change: Other Suggested reviewers: Merge Risk: ⚪ Minimal · up to The retained browser test still protects the editor behavior, so the coverage change is mergeable after normal checks. Security Architecture ReviewSecurity architecture risk: 🟡 Moderate · up to The change adds PDF-annotation synchronization behavior that may let an older acknowledgement replace newer cached annotation data. Server-side authorization bypass is not established, but the client-state integrity risk and incomplete coverage of the production changes warrant review. Retained concerns
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PR Summary by QodoRationalize Work Source E2E coverage
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| | respelling same video not a conflict | Python `test_a_stale_but_convergent_choice_is_not_a_conflict` | | ||
| | A→B→C before send is one operation | Node `coalescing` | | ||
| | return to acknowledged leaves no intent | Node `coalescing` (A→B→A) | | ||
| | after Apply choosing server video cancels | Node `conflictResolution` cancel-on-server-identity | |
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The cited Node replacement does not cover the behavior of the removed browser test: conflictResolution() manually constructs the correct serverBase, so it still passes if the Apply button in work-source-editor.js stops updating state.observed.identity from the conflict result. The remaining Apply E2E changes to a third video and checks only the revision path; it never selects the server's respelled video and verifies that the pending operation is canceled. Retain that UI assertion or add a lower-level editor harness that actually invokes the Apply action.
AGENTS.md reference: tests/e2e/AGENTS.md:L183-L187
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| assert.equal(await convergentRuntime.reconcileWorkSource({ | ||
| work_id: 'W-1', server_revision: 1, source: { | ||
| source_kind: 'video', provider: 'youtube', provider_id: 'BBB', | ||
| source_url: WATCH('BBB'), thumb_url: 'https://img/BBB.jpg', | ||
| urldate: '2026-09-13', | ||
| }, | ||
| }), true); |
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This replacement calls offlineRuntime.reconcileWorkSource() directly with an already-correct WATCH('BBB') source; it never creates the claimed SHORT('BBB') operation, invokes prksWorkSourceSyncHandler.reconcile, or mounts an editor. Consequently it passes if the handler starts reconciling from the requested URL, or if acceptAck() stops updating the open input—both regressions the deleted E2E caught by comparing the cache and editor against the server's stored spelling. Exercise the real ACK/handler/editor path before dropping that browser scenario.
AGENTS.md reference: tests/e2e/AGENTS.md:L183-L187
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| self.url(page, THIRD_VIDEO) | ||
| self.save(page) | ||
| self.pending(page, 1) | ||
| operations = page.evaluate( |
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1. Editor coalescing regressions go unseen 🐞 Bug ⚙ Maintainability
Deleting test_changing_the_video_twice_before_it_sends_is_one_operation and test_returning_to_the_acknowledged_video_leaves_no_intent replaces real editor interactions with coalescing(), which calls store.saveWorkSource() directly against fake IndexedDB. The retained consecutive-edit E2E waits until each write is acknowledged, so failures in the editor’s effective-source comparison or its wiring for two unsent choices—including returning to the acknowledged source—now pass the suite.
Agent Prompt
## Issue description
The lower-level coalescing selftest bypasses the production editor, leaving its handling of multiple unsent choices and return-to-base cancellation uncovered.
## Fix Focus Areas
- tests/e2e/test_work_source_offline.py[234-261]
- tests/browser/run_work_source_sync_selftest.js[200-222]
- frontend/js/work-source-editor.js[330-359]
## Recommended Fix
Retain or add a thin Chromium scenario that saves two different sources while offline and then returns to the acknowledged source, asserting the real editor leaves respectively one latest operation and then no operation.
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| self.url(page, SHORT_OTHER) # the server's video, respelled | ||
| self.save(page) | ||
| self.pending(page, 0) | ||
| self.assertEqual(self.source_operations(page), [], |
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2. Server-video cancellation can regress 🐞 Bug ⚙ Maintainability
Deleting test_after_apply_choosing_the_servers_own_video_cancels leaves only a Node test that manually constructs serverBase and passes it directly to the store, never verifying the identity installed by the Apply button. The surviving Apply E2E changes to a third video and therefore checks the new revision but not the server identity, so a stale editor identity could leave an unnecessary operation when the user chooses the server’s source.
Agent Prompt
## Issue description
The replacement store test bypasses the conflict button and editor state whose server identity is required to cancel a post-Apply choice.
## Fix Focus Areas
- tests/e2e/test_work_source_offline.py[320-353]
- tests/browser/run_work_source_sync_selftest.js[294-310]
- frontend/js/work-source-editor.js[131-149]
## Recommended Fix
Restore a thin browser assertion that clicks Apply while offline, selects the server-reported video through the editor, and verifies that the replacement operation is removed without being sent.
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| self.assertEqual(self.cached_source_revision(page, work), 1, | ||
| 'the base is the server\'s revision, not the one we started from') | ||
| self.assertEqual(page.input_value('#meta-video-url'), stored['source_url'], | ||
| 'the open editor shows the stored spelling too') |
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3. Open editors can show an unstored link 🐞 Bug ⚙ Maintainability
The new convergent block caches video AAA and calls reconcileWorkSource() directly with a
WATCH('BBB') result, without staging the claimed SHORT('BBB') operation or mounting an editor.
The deleted E2E was the browser-level check that the acknowledgement event replaces the pending
spelling in the open input, so a regression in acceptAck() can leave an unstored URL visible while
every replacement test still passes.
Agent Prompt
## Issue description
The new reconciliation test validates cache patching only and does not exercise propagation of a convergent acknowledgement into an already-open editor.
## Fix Focus Areas
- tests/browser/run_work_source_sync_selftest.js[443-472]
- tests/e2e/test_work_source_offline.py[434-436]
- frontend/js/work-source-editor.js[180-206]
## Recommended Fix
Retain a thin Chromium scenario that stages the alternate URL spelling, receives the server’s stored spelling, and asserts that both the cache and the open editor display the acknowledgement’s exact URL.
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Inline comments:
In `@tests/e2e/test_work_source_offline.py`:
- Around line 11-13: Keep a targeted browser test that submits SHORT('BBB'),
receives WATCH('BBB'), and verifies both the cache and editor through the
acknowledgement handoff. In tests/browser/run_work_source_sync_selftest.js,
clarify that its reconciliation test covers direct reconciliation only unless it
models that full divergent acknowledgement flow.
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docs/e2e-performance.mdtests/browser/run_work_source_sync_selftest.jstests/e2e/test_work_source_offline.py
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Move deterministic source-sync contracts out of Chromium into Node/Python selftests, keeping thin browser coverage for UI wiring, reload, conflict resolution, and cache-visible projections. Document KEEP/MOVE guidance and exact replacements in docs/e2e-performance.md. Co-authored-by: Nikola Perović <Fooftilly@users.noreply.github.com>
Restore thin Chromium for editor coalescing, post-Apply cancel, and convergent acceptAck spelling — Node store/handler tests do not replace those paths. Route the convergent ACK selftest through the sync handler (SHORT→WATCH) while keeping the open-editor assertion in E2E. Co-authored-by: Nikola Perović <Fooftilly@users.noreply.github.com>
Document that reconciliation() exercises direct reconcileWorkSource (and the trailing SHORT→WATCH handler block), not the Chromium acceptAck editor handoff already kept in the E2E module. Co-authored-by: Nikola Perović <Fooftilly@users.noreply.github.com>
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Goal
Cut redundant Chromium coverage for the Work Source sync family without reducing behavioral coverage, following the KEEP / SPLIT / MOVE approach from the E2E runtime hardening plan.
What changed
Started from 16 scenarios in
tests/e2e/test_work_source_offline.py. After tip-clear: 14 KEEP, 2 MOVE (12.5% reduction).KEEP (thin Chromium — 14)
Original browser boundaries (offline reload, conflict UI, non-video editor, invalid URL, remount base, thumbnail cache, Apply/Use-server including offline recovery), plus editor-path contracts restored on tip-clear:
state.observed→saveWorkSource)acceptAck) — submits SHORT, receives WATCH, asserts cache +#meta-video-urlMOVE — removed E2E → exact replacement (2)
test_all_four_columns_move_together_or_not_at_alleffectiveSourceOverlaytest_a_respelling_of_the_same_video_is_not_a_conflicttest_a_stale_but_convergent_choice_is_not_a_conflictTip-clear
reconciliation()documents direct reconcile vs trailing handler SHORT→WATCH block (notacceptAck).Docs
docs/e2e-performance.mdrecords KEEP / SPLIT / MOVE guidance and the corrected Work Source table (editor paths stay KEEP).Validation
tests.test_frontend_work_source_syncNo production data, retries, fake E2E backend, shared browser state, or weakened offline assertions. Does not touch Work Tags (#204), Metadata (#207), or harness PRs.
Non-goals
Work Tags, Work Metadata, browser-side
wait_for_async, watchdog, doctor, sharding, or other offline families.Summary by CodeRabbit