Regression Testing: A Fun and Informative Guide


 Let’s take a trip to the kitchen. Imagine you have a favourite recipe for chocolate chip cookies. You decide to get fancy and add some chopped walnuts for a new twist. Yum!

But before you bake a whole batch, wouldn’t you want to make sure the original recipe still works perfectly? That’s regression testing in action. Here’s how it translates:

  • Original Recipe: The classic chocolate chip cookie base — flour, sugar, butter, and chocolate chips.
  • New Feature: The delicious addition of chopped walnuts.
  • Regression Testing: Baking a small batch of the cookies without the walnuts to make sure everything works as expected — perfect texture, gooey centre, and melty chocolate chips.
  • Regression: Imagine the horror of discovering the new walnut addition accidentally reduced the baking temperature, leaving you with sad, flat cookies!

Regression testing helps you catch those unexpected changes that might ruin a perfectly good recipe (or software program). By making sure the base functionality remains flawless, you can then confidently experiment with new flavours (or features) without throwing the whole thing out.

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