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test(runtime): add Blockbuster runtime anchor for JsonlRunEventStore async IO (#3313)

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* test(runtime): add Blockbuster runtime anchor for JsonlRunEventStore async IO

#3084 offloaded `JsonlRunEventStore`'s file IO via `asyncio.to_thread` and added
a mock-based offload assertion (`tests/test_jsonl_event_store_async_io.py`) that
covers `put()` only. That guard is not part of the Blockbuster runtime gate
(`tests/blocking_io/`) run by `backend-blocking-io-tests.yml`.

Add a runtime anchor that drives the full async surface (`put`, `put_batch`,
`list_messages`, `list_events`, `list_messages_by_run`, `count_messages`,
`delete_by_run`, `delete_by_thread`) under the strict Blockbuster gate, so any
blocking IO reintroduced on the event loop in any of these methods fails CI —
not only removal of a specific `to_thread` call. Verified each offloaded method
goes red when its offload is reverted. Test-only; no production change.

* test(runtime): exercise list_events event_types filter branch

Per review feedback: the anchor called list_events without event_types,
so the filter branch never ran after _read_run_events' filesystem IO.
Add a second list_events call with event_types=["message"] so the full
read path -- including the filter branch -- executes under the gate.
This commit is contained in:
AochenShen99
2026-05-29 23:02:41 +08:00
committed by GitHub
parent ca487578a4
commit 052b1e2102
3 changed files with 73 additions and 4 deletions
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@@ -122,10 +122,12 @@ Blocking-IO runtime gate (`tests/blocking_io/`):
`tests/support/detectors/blocking_io_runtime.py`). Any sync blocking IO
call whose stack passes through DeerFlow business code while running on
the asyncio event loop raises `BlockingError` and fails the test.
- Two regression anchors live there: `test_skills_load.py` (locks the
- Regression anchors live there: `test_skills_load.py` (locks the
`asyncio.to_thread` offload around `LocalSkillStorage.load_skills`, fix
for #1917) and `test_sqlite_lifespan.py` (locks the offload around
SQLite path resolution plus `ensure_sqlite_parent_dir`, fix for #1912).
for #1917); `test_sqlite_lifespan.py` (locks the offload around
SQLite path resolution plus `ensure_sqlite_parent_dir`, fix for #1912);
and `test_jsonl_run_event_store.py` (locks `JsonlRunEventStore`'s async
API offloading its file IO via `asyncio.to_thread`, fix #3084).
- `test_gate_smoke.py` is a meta-test asserting the gate actually catches
unoffloaded blocking IO and that the `@pytest.mark.allow_blocking_io`
opt-out works.