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#jest
Mocking in jest (or practically any other testing framework for that matter) can sometimes feel a bit overwhelming. First of all, the terminology is confusing and often varies a) from framework to fra…
Instalation and configuration of Jest + React Testing Library For React + Vite projects Installs: yarn add --dev jest babel-jest @babel/preset-env @babel/preset-react yarn add --dev @testing-librar…
Introduction The keyword this works differently for javascript language. It can change its value depending on how it is called. After facing many issues, I wrote this article explaining how it works w…
Building E2E tests on React project is - more or less - necessary. E2E tests can be the final assurance to check if the app is really acceptable to the users since it emulates the behaviors on the act…
What is snapshot testing A simple explanation for snapshot testing is to take a snapshot of the code and compare it to a previously saved snapshot, and if the new snapshot does not match the previous snapshot, the test will fail. Snapshot t…
Recently I have started Test Driven Development (TDD) during my work. However, I often feel frustrated of how to mock functions, and I want to share what I have learnt with all of you. You need mock …
Jest is a JavaScript testing framework that is focused on simplicity. It allows you to write tests with an accessible, familiar, and feature-rich API that gives you test results quickly. It helps to …
We always hear a lot about testing We always hear a lot about testing. It's literally everywhere and many of us have no idea how to start, what tests to write, and what's the point of tests? I'll try…
Hi! This time I will try to create simple test using Jest. Test are important to check your code before launching the product. You can be sure then that your code works as expected. While learning I …
Week Six was a short one because of the bank holidays. So this blog is coming at you early! Despite this short week we were able to cover a lot and I have improved as a developer after being equipped …
