Dream Code First
This workflow does not involve design. Changes are made haphazardly until the implementation works. The resulting design is an afterthought — just a combination of all the changes.Next, the implementation is locked in place by tests. The tests aren’t written very well, because they were also an afterthought. They are written in the same way as the implementation: haphazardly adding and changing code until they pass.This might limit your ability to refactor. The tests are often tightly coupled to implementation details. The implementation is right there in front of you, so when you write the tests, of course they’re going to match up. You don’t want to touch the tests because they are supposed to remain green and unchanged during refactoring. And besides, why write tests if you’re immediately going to break them? That seems like a waste of time.
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