🌀 Note: These are my rough notes. This is just here for reference readers before I switch to the new outline / structure of the book.
💡 Most of the code you’ll encounter in the wild is existing, brownfield code. Much of it is untested. To safely refactor, add, change, or remove features, we must first establish a basis of tests that enable us to be productive without worry of breaking something. We learn how to introduce tests to previously untested code using techniques such as seams, Characterization tests, and Golden Master…
This book’s mission is to teach developers the essential skills and practices to write testable, flexible, and maintainable code.
You can read more about the learning journey in the "Software Design and Architecture Roadmap 🖼️".
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