Test Everything. Production-Quality Testing with Python, pytest, Mocking, and Continuous Integration - MIGUEL FARMER

Code that works once is not enough.
Code that keeps working is what matters.

In real systems, bugs are inevitable. The difference between fragile software and production ready systems is testing.

"Test Everything" is a practical, hands on guide to building robust testing systems using Python and tools like pytest.

This book teaches you how to write tests that catch real problems, prevent regressions, and support continuous delivery.

Without proper testing, teams face:

Strong testing practices solve these problems.

Throughout the book, you will learn how to:

Each chapter focuses on practical testing strategies.

These examples reflect real development workflows.

If you want to build software that is reliable, maintainable, and ready for production, this book provides the roadmap.

Test with purpose.
Catch issues early.
Ship with confidence.