Testing and Refactoring
Michael emphasizes the importance of designing code to facilitate easy feature additions, which often leads to necessary refactoring. He introduces the concept of characterization testing, where developers first observe existing code behavior to establish expected values for tests, challenging traditional testing instincts. This approach not only simplifies the testing process but also highlights the potential risks of relying on buggy behaviors in production.In this clip
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Software Engineering Radio - the podcast for professional software developers
SE-Radio Episode 295: Michael Feathers on Legacy Code
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