Tag

Characterisation-tests

2 articles tagged with "Characterisation-tests"

Breaking Dependencies in Legacy Code: Sprout, Wrap, and Seam Patterns

Break dependencies in legacy code safely. A practical guide to sprout method, wrap method, and seams from Working Effectively with Legacy Code.

David White · 15 May 2026 · 12 min read

Refactoring Legacy Code Without Breaking It

Refactoring legacy code safely: a practical playbook with characterisation tests, seams, strangler fig, and small changes that keep production up.

Gareth Clubb · 22 Apr 2026 · 11 min read