test: isolate rename-scenario test from leaked FixSuggester state - #3461
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The "End-to-End Integration" describe block's beforeEach seeds
'issue-agent' into the shared suggester's index for every test in
the block. buildIndex()/addToIndex() only ever add entries, never
clear them, so "should handle rename scenario correctly" -- which
adds 'issue-triage-agent' on top via its own buildIndex() call --
ended up with 4 index entries instead of the 3 it intended, and the
leaked 'issue-agent' entry happened to fuzzy-match the broken
reference more closely than the real rename target, masking the
test's actual assertion.
Confirmed not platform-specific: reproduces identically regardless
of OS (verified via direct instrumentation of FixSuggester before
fixing, and by reverting the fix and re-running on unmodified
develop).
Fix: the rename-scenario test now uses its own FixSuggester instance
instead of the shared one, so it isn't affected by the outer
beforeEach's seed data.
This alone isn't sufficient to make the test pass, though: even
correctly isolated, similarity('agents/issue-agent',
'issue-triage-agent') scores 0.44 -- below the fuzzy-match
threshold -- because suggestFix() never strips the 'agents/' path
prefix before comparing against its bare-name index. That's a
separate, real defect (affecting 3 other tests in this same file
too), filed and root-caused in #3460 rather than patched here as a
side effect of a test-isolation fix. Marked with it.failing() so the
suite reports this as a known, tracked failure instead of either a
silent skip or an unexplained red test -- and so it fails loudly (a
useful signal) the moment #3460 lands and this starts passing for
real.
Fixes #3452
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Included review availability: Your plan provides up to 1 included review per hour; 0 remain after this review. 📝 WalkthroughWalkthroughThe rename-scenario test uses a dedicated suggester index without the old agent name. It is marked as failing, and the changelog documents the fixture leak and related matching follow-up. ChangesRename test isolation
Priority: ⬇️ Low Estimated code review effort: 2 (Simple) | ~10 minutes Change: Bug fix · Severity of issue fixed: Low Merge Risk: ⚪ Minimal · up to The rename test is isolated as intended. The remaining matching defect is tracked separately and does not block this isolation change. 🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
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…) (#3496) * fix(test): load ESM sources that use import.meta.url under Jest (#3472) Six pr-agent suites failed to load with "Must use import to load ES Module": Babel 8 cannot convert import.meta to CommonJS, so any module using it stayed ESM under the root babel-jest run. Add a small in-repo Babel plugin, applied only in the test env, that rewrites import.meta.url to require("node:url").pathToFileURL(__filename).href. Other import.meta properties are left alone and still fail loudly. Native Node runs are unaffected. Full suite: 7 failing suites to 1 (reference-detection, tracked in #3460 and #3461); 95 more tests run. * fix(test): portable nested runner, wiring guard, harness alignment (#3496, #3552, #3560) * docs: point validation index at the moved CodeRabbit suite * test: assert standalone script ownership and complete nested discovery
1 participant
Bugfix Pull Request
Linked issues
Fixes #3452
Relates to #3460 (documents 4 more pre-existing failures in the same file, including why this test still doesn't fully pass — see below).
Context
scripts/validation/__tests__/reference-detection.test.js. Not currently gated by any active CI workflow (see [Epic] Workflow Consolidation Initiative 2026-Q4 #2896/PR refactor: Phase 2 Workflow Consolidation - 71→5 unified workflows implementation #3359 — the workflows that ran the test suite were archived 2026-09-11, replacements not yet built).Reproduction
scripts/validation/__tests__/reference-detection.test.js› "End-to-End Integration" › "should handle rename scenario correctly" in isolation (e.g.jest -t "rename scenario"). 2) Run the whole file.suggester's index silently contains a leakedissue-agententry from the previous test'sbeforeEach, which the fuzzy-matcher prefers over the real rename target — the test was passing for the wrong reason.Root Cause
The
describe('End-to-End Integration', ...)block'sbeforeEach(line 154) seeds['issue-agent', 'pr-agent', 'release-agent']into the sharedsuggesterbefore every test in the block.FixSuggester.buildIndex()/addToIndex()only ever add entries (Map.set), never clear them. The "rename scenario" test then calls its ownbuildIndex(['issue-triage-agent', ...])on the same shared instance, ending up with 4 index entries instead of the 3 it intended — the oldissue-agentname never actually leaves the index the test is supposed to be testing a rename out of.Confirmed not platform-specific (contrary to what I'd assumed before investigating properly) — reproduces identically on a clean
developcheckout, verified via direct instrumentation ofFixSuggester(temporaryconsole.errorinfindCandidates()) showing 4 index keys where only 3 were expected.Fix Summary
The "rename scenario" test now constructs its own
FixSuggesterinstance instead of reusing the sharedsuggester, so it's unaffected by the outerbeforeEach's seed data.This fix alone does not make the test pass. Once properly isolated, the test still fails for a separate, real reason:
suggestFix()never strips theagents/path prefix before fuzzy-matching against its bare-name index, sosimilarity('agents/issue-agent', 'issue-triage-agent')scores 0.44 — below the 0.6 threshold. That's root cause 1 of #3460 (which also documents 3 other pre-existing failures in this same file, found while investigating this one). Rather than patch that as an incidental side effect of a test-isolation fix, I marked the testit.failing()— Jest inverts the pass/fail meaning, so the suite reports this as a known failure with a clear paper trail to #3460, instead of either silently skipping it or leaving an unexplained red test. The moment #3460 lands and the test starts passing for real,it.failing()itself fails loudly — a built-in reminder to flip it back toit().Verification
developcheckout viagit stash) to confirm the failure count drops from 5 to 4, and that the 4 remaining failures are identical todevelop's baseline (i.e. nothing regressed).scripts/validation/__tests__suite (668 tests) to confirm no other test was affected — same 14 pre-existing failures either way, all already tracked (fix: reference-detection.test.js has 4 more pre-existing failures beyond the nested-beforeEach leak (#3452) #3460, test: ~264 failing tests across 48 files, unmasked by fixing the babel 7/8 jest crash (PR #3306) #3309, and a new test: ~264 failing tests across 48 files, unmasked by fixing the babel 7/8 jest crash (PR #3306) #3309 comment forvalidate-links.test.jssharing the same Windows path-separator root cause).Risk & Rollback
Changelog
Fixed
Checklist (Global DoD / PR)
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Summary by CodeRabbit
Tests
Documentation