---
title: "Discussion on \"The Simplest Case for Unit Tests: Pure Functions\" | Hashnode"
description: "Discussion on \"The Simplest Case for Unit Tests: Pure Functions\". Development teams across the industry are using unit tests to maintain the quality of their code. However,  it seems like many beginner-oriented materials are not really covering unit tests. That’s unfortunate—adding unit tests is a perfect onboardin..."
url: "https://hashnode.com/posts/the-simplest-case-for-unit-tests-pure-functions/62ea190392b7fd0a78c352f0"
---

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# [The Simplest Case for Unit Tests: Pure Functions](https://how-to.dev/the-simplest-case-for-unit-tests-pure-functions?utm_source=hashnode&utm_medium=feed)

Development teams across the industry are using unit tests to maintain the quality of their code. However, it seems like many beginner-oriented materials are not really covering unit tests. That’s unfortunate—adding unit tests is a perfect onboardin...

Aug 3, 2022 · 5 min read · how-to.dev  
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## Written by

[Marcin Wosinek](https://hashnode.com/@marcin-wosinek)

@marcin-wosinek · Valencia, Spain

  
[View profile](https://hashnode.com/@marcin-wosinek)

JavaScript developer

I'm JS developer with 13 years of professional experience. I'm always happy to teach my craft.

## Responses 1

Markdown supported · ⌘↵ to post

[Joshua](https://hashnode.com/@joshytheprogrammer)

[Aug 4, 2022](https://hashnode.com/posts/the-simplest-case-for-unit-tests-pure-functions/62ea190392b7fd0a78c352f0/comment/62ebc383f583cc2636e53035)

You've sold me on the importance of testing. I'll take the time to learn to write them soon.