A Guide to Snapshot Testing React Native Components Using Jest

Imagine you build a beautiful React Native button, and you want to make sure its structure never accidentally changes as your app grows. Wouldn't it be cool if there was a way to take a "photo" of your component, and later automatically check if it still looks the same? That's exactly what snapshot testing does! In this guide, you’ll learn: What snapshot testing is Why it’s useful How to set it up How to write your first snapshot test Common mistakes and best practices Let’s start from scratch.

Apr 27, 2025 - 20:21
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A Guide to Snapshot Testing React Native Components Using Jest

Imagine you build a beautiful React Native button, and you want to make sure its structure never accidentally changes as your app grows.

Wouldn't it be cool if there was a way to take a "photo" of your component, and later automatically check if it still looks the same?

That's exactly what snapshot testing does!

In this guide, you’ll learn:

  • What snapshot testing is
  • Why it’s useful
  • How to set it up
  • How to write your first snapshot test
  • Common mistakes and best practices

Let’s start from scratch.