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Aleksei Aleinikov
Aleksei Aleinikov

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⏰ Mastering Time‑Dependent Tests in Python 2025: freezegun, time‑machine & the Clock Pattern

Learn how to tame flaky tests caused by time-dependent code:
✅ Use freezegun to freeze time in synchronous tests
✅ Apply time-machine to control time in async workflows
✅ Architect with Clock injection for large, testable systems
✅ Test A/B experiments, backups, and expiry logic with confidence
👉 Read the guide and make your tests deterministic! https://medium.com/pythoneers/mastering-time-dependent-tests-in-python-2025-freezegun-time-machine-the-clock-pattern-993b8a38f3c9

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