https://www.pistack.xyz/tags/time/ Recent content in Time on Pi Stack Hugo en-us Wed, 11 Nov 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-11-11-time-mocking-libraries-freezegun-time-machine-libfaketime/ Wed, 11 Nov 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-11-11-time-mocking-libraries-freezegun-time-machine-libfaketime/ <h1 id="time-mocking-in-2026-freezegun-vs-time-machine-vs-libfaketime">Time Mocking in 2026: freezegun vs time-machine vs libfaketime</h1> <p>Your suite passes at 11:58 PM and fails at 00:03 AM. Nothing changed in the code — the calendar moved. Any test that touches token expiry, trial periods, retry windows, billing cycles or &ldquo;last 30 days&rdquo; dashboards is a coin flip once the wall clock is an input you never controlled.</p>