Code Smell 16 - Ripple Effect
If small changes have big impact, you need to decouple your system
19 October, 2022
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Contributors
Small changes yield unexpected problems.
TL;DR: If small changes have big impact, you need to decouple your system.
Problems
•
Coupling
Solutions
1.
Decouple.
2.
Cover with tests.
3.
Refactor and isolate what is changing.
4.
Depend on interfaces.
Examples
•
Legacy Systems
Sample Code
Wrong
Right
Detection
•
It is not easy to detect problems before they happen. Mutation Testing and root cause analysis of single points of failures may help.
Tags
•
Legacy
Conclusion
There are multiple strategies to deal with Legacy and coupled systems. We should deal with this problem before it explodes under our eyes.
Relations
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Credits
Photo by Jack Tindall on Unsplash
Architecture is the tension between coupling and cohesion.
Neal Ford
This article is part of the CodeSmell Series.
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