How to Decouple a Legacy Systemby@mcsee
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How to Decouple a Legacy System

August 2nd 2020
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by @mcsee 2,279 reads
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An example on how to convert a legacy design into a better one. How to Decouple a legacy system? Decoupling the system is a vicious circle. The solution to this deadlock is to write the tests declaratively, thus generating better interfaces. We write tests to cover pre-existing functionality before making any changes. The class name does not represent a real name in the bijection. It is a very implemental invocation (coupled to getInstance()) and not very declarative.

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