---
title: "Master Google Apps Script UIs — Part 5: Unit Testing Your Front-End With Jest 🚀"
author: "Dmitry Kostyuk"
date: 2023-05-24T21:40:56+00:00
modified: 2023-05-31T22:24:52+00:00
canonical_url: https://pulse.appsscript.info/p/2023/05/master-google-apps-script-uis-part-5-unit-testing-your-front-end-with-jest-%f0%9f%9a%80/
markdown_url: https://pulse.appsscript.info/p/2023/05/master-google-apps-script-uis-part-5-unit-testing-your-front-end-with-jest-%f0%9f%9a%80.md
categories:
  - "Advanced"
  - "Sheets"
  - "Solutions"
  - "V8"
tags:
  - "@wildhogsm"
  - "dmitry-kostyuk"
  - "javascript.plainenglish.io"
  - "Medium"
  - "wurkspaces.dev"
featured_image: https://pulse.appsscript.info/files/2023/05/1_pPMEhwWzguQXMQVvLH_L8A.png
description: "Dmitry Kostyuk is continuing the masterclass in breaking free from the online Apps Script Editor / IDE putting the spotlight on unit testing and test-driven development (TDD). TDD is a processes which makes the developer think about the design of the code before writing it, incorporating tests as part of the development process. You can find out more in the source post."
---

# Master Google Apps Script UIs — Part 5: Unit Testing Your Front-End With Jest 🚀

![Master Google Apps Script UIs — Part 5: Unit Testing Your Front-End With Jest 🚀](https://pulse.appsscript.info/files/2023/05/1_pPMEhwWzguQXMQVvLH_L8A.png)

> ## Introduction 📝
> 
> 
> Well, well, well! Look who’s back for another session of “Weaving Magic with Code”! 😄 Today, we’re diving head-first into the magical world of unit testing. You might be wondering: “Why the fuss about unit testing?” 🤔
> Unit testing, my friends, is the silent hero of software development. Picture it as a mini-pit stop where your code gets a once-over before it hits the road. The automated tests ensure that our code does exactly what we expect it to. The benefits?
> 
> Makes us ponder deeply about our app’s architecture, like a philosopher musing about the meaning of life 🧐
> Forces us to clarify our expectations from functions and classes.
> Ensures that as we revamp and update our code, we aren’t unknowingly playing host to bugs, much like a surprise party you didn’t want 🐛

*Source: [Master Google Apps Script UIs — Part 5: Unit Testing Your Front-End With Jest 🚀*](https://javascript.plainenglish.io/master-google-apps-script-uis-part-5-unit-testing-your-front-end-with-jest-9f619cdff0c2?sk=5f45566d81f5be428fced4fd0ae2d280)

---

*Published by [Dmitry Kostyuk](https://pulse.appsscript.info/p/author/dmitrykostyuk/) on [Pulse](https://pulse.appsscript.info/). Original article: [https://pulse.appsscript.info/p/2023/05/master-google-apps-script-uis-part-5-unit-testing-your-front-end-with-jest-%f0%9f%9a%80/](https://pulse.appsscript.info/p/2023/05/master-google-apps-script-uis-part-5-unit-testing-your-front-end-with-jest-%f0%9f%9a%80/)*