Welcome to another episode of Evil Geniuses. Last time we teased you but we’re back and this time we’re actually going to deliver the goods, no more click bait. We are working with a video checkout store type software where our classes are a movie, a rental, and a customer.

We’ve given you insight into what our test look like and today we want to talk about the code that does tester testing. The theme of this discussion is you have to do two things. One, you have to introduce duplication in order to identify the right obstruction because you can’t always trust the obstruction that is present and then two, stop being obsessed with primitives. No more primitives. Keep listening, there’s, even more, coming up in the next episode!

 

Key Points From This Episode:

  • The quality of your code and when it matters.
  • Understanding a primitive obsession.
  • Introducing temporary duplication to find sameness.
  • Extra charge for rental versus base cost of rental.
  • Returning the same type of object regardless of the output of your method.
  • Eliminating the case statement.
  • And much more!

Talking Points

  • Work hard to be lazy
  • Duplication leads to the removal of duplication

Commits

 

Links Mentioned in Today’s Episode:

Evil Geniuses on Twitter

Stride

Ruby

Sandi Metz

Primitive Obsession

Basic Instinct

Sharon Stone

Rss Apple Podcaster
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