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Search Results for: jest

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Test Driven Development • May 27, 2025

Test DynamoDB with Jest Shelf

Jest’s DynamoDB shelf is a small utility that wraps DynamoDB Local and makes it incredibly simple to spin up a temporary instance.
Exploratory Testing • Nov 19, 2024

Jest Setup: Gotchas with Next and MUI

If you're setting up UI tests with Jest and React Testing Library and then adding in NextJS and Material UI, watch for these three things.
Vue • May 16, 2023

How to Test a Vue Component with Nested Components Using Jest

Recently I had to scour the internet for hours before I found an answer for testing a Vue component that has nested subcomponents.
Angular • Aug 02, 2022

Using Jest for Testing in an Angular Project

In this post, we will go over how to quickly replace Karma and Jasmine, the default test runner and assertion framework in a new Angular project, with Jest.
Web Apps • Oct 03, 2020

Unit Testing Google Maps API with Jest

To isolate our functions for testing, we needed to create some mocks for Google Maps API. We chose Jest for its ease of use and because there's a handy Jest-Junit reporter that cre
Web Apps • Apr 22, 2020

Using Jest to Test Our Express-Backed React App

Configuring tests is one of the most tedious and frustrating aspects of a new web application. We show you our app testing setup to save you some work.
Web Apps • Jan 30, 2020

How to Add Custom Functions to a Jest Test Suite

I want easy-to-use, discoverable functions for my Jest test suite. I don't want to change much syntax, and I don't want to import anything.
Developer Tools • May 02, 2017

React Testing – Jest or Mocha?

Comparing the weaknesses and strengths of Mocah and Jest for testing React.js projects. It comes down to flexibility and extensibility vs. ease of use.
Exploratory Testing • Mar 20, 2025

Tips for Unit Testing in Front-End Frameworks: Part 2

In the second installment of "Tips for Unit Testing in Front-end Frameworks," we'll determine our testing prerequisites.
Development Practices • Feb 05, 2025

Tips for Unit Testing in Front-end Frameworks: Part 1

Learning to effectively test in frameworks like Angular is difficult. Here's a method that helped me write unit tests in front-end frameworks.
Unit Testing • Jan 22, 2025

Unit Tests: Your Code’s Living, Breathing Specification

Learn how unit tests serve as a living specification, enhancing code clarity. Explore Test-Driven Development with real-world examples.
Angular • Jan 09, 2025

Here’s Why Angular is the Better Choice for Long-Term Projects

React is great, but Angular for long-term projects offers a more structured, scalable, and enterprise-ready solution.
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