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gitea/AGENTS.md
silverwind 3223d919b0 test: fix flaky TestResourceIndex and reduce its runtime (#37847)
The modernc SQLite driver (default since
https://github.com/go-gitea/gitea/pull/37562) returns `SQLITE_BUSY` once
the busy timeout is reached, unlike mattn which waited indefinitely.
`TestResourceIndex` fires many concurrent `NewIssue` writers, but SQLite
serializes all writers, so they queue on a single `BEGIN IMMEDIATE`
write lock. Under `-race` (modernc is much slower) the goroutines at the
back of the queue exceeded the hardcoded 5s test timeout, producing
`database is locked (5) (SQLITE_BUSY)`.

Changes:
- Reduce the concurrent inserts from 25 to 10. Since SQLite serializes
writers, the extra goroutines only deepen the busy-lock queue without
adding coverage. 10 still exercises concurrent index allocation while
cutting the test's `-race` runtime ~3x (2.76s to 0.86s locally).
- Share the busy-timeout constant: export `DefaultSQLiteBusyTimeout`
(20s, the production default) and reference it from the test engine
instead of the hardcoded `5000`.

Observed flake:
https://github.com/go-gitea/gitea/actions/runs/26394082930/job/77690496092

---
This PR was written with the help of Claude Opus 4.7

---------

Co-authored-by: Claude (Opus 4.7) <noreply@anthropic.com>
2026-05-26 05:06:54 +00:00

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