Files
quiz/tests/stress/package-lock.json
ameer 95a4dd2475 tests/stress: add Node-based adversarial stress harness
Two suites under tests/stress/, plus a tmux-friendly run_loop.sh
runner. Both boot a fresh uvicorn on an isolated DB per cycle and
log JSON line summaries to runs/.

api_stress.mjs covers WS-level scenarios that the existing pytest
suite does not exercise: 20-student happy path, late joiners with
correct remaining_ms, mid-question disconnect, browser-sleep + wake
to a different question_idx, cookie tampering and cross-session
cookie reuse, duplicate student_id, bad submit (out-of-order, wrong
idx, resubmit no-op), close-boundary race with auto-close, malformed
JSON fuzz, and flaky reconnect.

ui_stress.mjs drives the same flows in a real Chromium context via
playwright: happy UI, sleep/wake by closing+reopening a context with
the persisted cookie, document.cookie tampering attempt, and two
browser contexts joining with the same student_id.

Findings will be summarised in runs/summary.jsonl over time. One known
issue surfaces from the fuzz scenario: app/room.py student_ws's
receive_json call propagates JSONDecodeError out of the only
try/except (which catches WebSocketDisconnect), killing that client's
WS handler. Other clients are unaffected.
2026-05-02 15:26:18 +08:00

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2.2 KiB
JSON

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