debugbrief / previdence-backed · local record

Handle an expired cache entry

Failing check python -m pytest -q tests/test_cache.py passed; 3 commands recorded in the session over 4m 0s, changes touched src/cache.py, tests/test_cache.py.

evidence

verified · the same recorded check failed and later passed

Scope: this verifies the recorded check, not the whole issue.

Root cause is not inferred by DebugBrief.

Project
cache-service
Status
COMPLETED
Started
2026-01-01T12:02:00Z
Ended
2026-01-01T12:06:00Z
Notes
2
Commands
3
Failed
1
Lines
+14 / -3
Branch
fix/cache-expiry
Initial commit
a7c40e1
Final commit
a7c40e1

Red to green

failed at 2026-01-01T12:02:12Z

passed at 2026-01-01T12:04:12Z

These file changes are correlation, not proven cause.

Reproduce and verify

Observed error

E AssertionError: expired entry returned instead of a cache miss

Verification

Changed files

Failed attempts

Notes

Timeline

  1. 2026-01-01T12:02:00Z · snapshotSession started.
  2. 2026-01-01T12:02:12Z · commandpython -m pytest -q tests/test_cache.py -> failed (exit 1) [0.4s]
  3. 2026-01-01T12:03:00Z · noteExpired entries still reach the read path. Check the expiry boundary.
  4. 2026-01-01T12:04:00Z · noteReturn a cache miss when the entry expires. Added the boundary case to the test.
  5. 2026-01-01T12:04:12Z · commandpython -m pytest -q tests/test_cache.py -> passed (exit 0) [0.4s]
  6. 2026-01-01T12:05:12Z · commandpython -m ruff check src tests -> passed (exit 0) [0.08s]
  7. 2026-01-01T12:06:00Z · snapshotSession ended.

Command output

failed · python -m pytest -q tests/test_cache.py

2026-01-01T12:02:12Z · exit 1 · 0.4s

stdout · captured preview

E AssertionError: expired entry returned instead of a cache miss
1 failed
passed · python -m pytest -q tests/test_cache.py

2026-01-01T12:04:12Z · exit 0 · 0.4s

stdout · captured preview

4 passed
passed · python -m ruff check src tests

2026-01-01T12:05:12Z · exit 0 · 0.08s

stdout · captured preview

All checks passed!