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fix(test): close the cross-shard porcelain race that failed Windows CI

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Two-part fix for the gen-skill-docs-out-dir isolation-pin failure:

- cookie-import-browser built its scratch cookie DBs inside the TRACKED
  browse/test/fixtures/ dir (created in beforeAll, deleted in afterAll), so
  they flash as untracked files mid-run — a concurrent shard's porcelain
  snapshot caught the window on Windows. The DBs now live in a per-run
  tmpdir; zero source-tree writes.

- gen-skill-docs-out-dir is the free suite's only LIVE porcelain-snapshot
  test, so it joins TREE_MUTATING (the serial quiet window): any concurrent
  transient tree-write can race it, and its own spawned render rewrites
  llms.txt/agents-digest in place (idempotent on a fresh tree).

The race is pre-existing; this branch's +5 test files reshuffled shard
composition and exposed it.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
Garry Tan
2026-08-29 15:21:22 +00:00
co-authored by Claude Fable 5
parent 29d32aa308
commit 40bec23eba
2 changed files with 8 additions and 2 deletions
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browse/test/cookie-import-browser.test.ts
+6 -2
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@@ -31,8 +31,12 @@ const LINUX_V11_KEY = crypto.pbkdf2Sync(LINUX_V11_PASSWORD, 'saltysalt', 1, 16,
const IV = Buffer.alloc(16, 0x20);
const CHROMIUM_EPOCH_OFFSET = 11644473600000000n;
// Fixture DB path
const FIXTURE_DIR = path.join(import.meta.dir, 'fixtures');
// Fixture DB path — a per-run temp dir, NEVER the tracked browse/test/fixtures/:
// these DBs are built in beforeAll and deleted in afterAll, so writing them
// into the source tree makes them flash as `??` in git status mid-run, which
// races any concurrent shard's tree-isolation porcelain snapshot (observed:
// gen-skill-docs-out-dir's before/after porcelain pin on Windows CI).
const FIXTURE_DIR = fs.mkdtempSync(path.join(os.tmpdir(), 'browse-cookie-fixtures-'));
const FIXTURE_DB = path.join(FIXTURE_DIR, 'test-cookies.db');
const LINUX_FIXTURE_DB = path.join(FIXTURE_DIR, 'test-cookies-linux.db');