You're adding coupon discount pricing rules to an online course app with TDD. In the red-green-refactor cycle, which example would you pick as the first test?
Start with the simplest example, that a course costs its list price when there's no coupon, watch it fail first, then add one percentage discount, and after that add examples where the rules branch, like a maximum discount cap or stacked coupons.
TestingShort answerBasics
Why do you split test code into Arrange-Act-Assert (Given-When-Then)?
#tdd #red-green-refactor
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TestingShort answerAdvanced
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