Strategies for properties: algebraic properties

Course: Beginning Property-Based Testing with test.check

Updated October 22, 2019

I often run through a short list of algebraic properties, the ones you learn in Algebra class, to find properties to test. In this lesson, we go over six properties that you can use and modify to your needs.

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Testing pure functions

Pure functions are the easiest things to test. You can run them as many times as you want without fear of side effects. In this long episode, watch over my shoulder as I test five different functions. Three of the functions are fairly mathematical, so they're pretty straightforward. But two are copied from real-world code. You'll get to see the raw process, right here.