Strong agree! For JavaScript, I suggest folks check out fast-check [0] and this introduction to property-based testing that uses fast-check [1]. This is broad

Strong agree! For JavaScript, I suggest folks check out fast-check [0] and this introduction to property-based testing that uses fast-check [1]. This is broadly useful, but one specific place I've found it helpful was to check redux reducers against generated lists of actions to find unchecked edge cases and data assumptions. [0] https://github.com/dubzzz/fast-check https://github.com/dubzzz/fast-check [1] https://medium.com/criteo-engineering/introduction-to-property-based-testing-f5236229d237 https://medium.com/criteo-engineering/introduction-to-proper...