How to Test React.useEffect (epicreact.dev)
Dec 04, 2020
So, you've got some code in React.useEffect and you want to know how to test it. This is a pretty common question. The answer is kinda anti-climatic and general.
How to build a search bar in React (emgoto.com)
Nov 06, 2020
A search bar is a great way to make content on your website discoverable. In this tutorial, we’ll be building an accessible search bar component using React. We’ll also be adding a couple of unit tests with React Testing Library.
Unit testing React - What you need to know (felixgerschau.com)
Jul 20, 2020
I intent this article to serve as a starter guide for developers who are new to testing React components or even unit testing in general. I won't go into the technical details here, but I'll point you to articles and books that I read and found useful.
React Native Testing Library 2.0 – What’s New? (callstack.com)
May 28, 2020
We are happy to announce the release of version 2.0 of React Native Testing Library. For the last couple of weeks, we’ve been working really hard to bring you useful new features and to polish our APIs and their documentation, as well as improve compatibility with other Testing Library implementations.
Jest tests with react context api (itnext.io)
Apr 01, 2020
I always find myself doing dumb mistakes all over the code that could easily be caught by well-written tests. Last fall I attended this conference where this workshop leader said if you really want your developers to write good tests, you have to make the developers accountable. And you do that by fire all the testers. I love testers though.
Testing Custom React Hooks with Jest (newline.co)
Dec 10, 2019
Hooks in React are a new, popular, and extensible way to organize side-effects and statefulness in React components. By composing the base hooks provided by React, developers can build their own custom hooks for use by others.
Testing Universal React (Native) Apps with Jest and Expo! (blog.expo.io)
Sep 26, 2019
Unit testing with Jest is an integral part of projects that are built with React. But we’ve also found that sometimes entire classes of bugs slip through with several Jest configurations, such as the preset included with React Native, and the testing never seems to really cover everything.
How to test React-Redux connected Components (robinwieruch.de)
Aug 30, 2019
React components connected to Redux can turn out pretty complex. Thus most people think that testing these complex components can turn out very complex as well. But it shouldn't be complex at all, if you take full control of the Redux store in your integration/unit test for the React component.
Best Practices for Unit Testing in React Version 16 (eng.uber.com)
Aug 29, 2019
With the introduction of React version 16 in 2017, hooks now make it possible to reuse stateful logic between components. However, with these new features, engineers must revisit previously defined conventions for using React. Unit testing is one of these practices.
End to End Testing React with Cypress (robinwieruch.de)
Jul 18, 2019
End-to-end testing (E2E) was always a tedious task with testing frameworks from the past. However, nowadays many people are using Cypress.io for it. Their documentation has a high quality and their API is concise and clean.
How to test React components with Jest (robinwieruch.de)
Jul 16, 2019
Testing React Components: Complete Guide (freecodecamp.org)
Jul 11, 2019
When I first started learning to test my apps back in the day, I would get very frustrated with the different types, styles and technologies used for testing, along with the disbanded array of blog posts, tutorials and articles. I found this to be true as well for React testing.
Testing React — an overview (medium.com)
Mar 08, 2019
Testing your frontend application has never been easier before. Within this article, I’ll explain different levels of testing your application as well as the most suited solutions for testing the specified levels.
Writing Tests for React Applications Using Jest and Enzyme (css-tricks.com)
Mar 01, 2019
While it is important to have a well-tested API, solid test coverage is a must for any React application. Tests increase confidence in the code and helps prevent shipping bugs to users. That’s why we’re going to focus on testing in this post, specifically for React applications. By the end, you’ll be up and running with tests using Jest and Enzyme.
Reactjs Unit Testing with Storybook + Jest (blog.cloudboost.io)
Sep 23, 2018
End-to-end testing React apps with Puppeteer and Jest (blog.logrocket.com)
May 09, 2018
In this tutorial, we’ll see how to write tests for a React app using Jest and Puppeteer. Testing is an important part of modern web application development, it helps to check if the code you wrote is acceptable and works as accepted. It’s a way of catching bugs in your code before you go “live”.
Snapshot Testing React with Jest (daveceddia.com)
Apr 05, 2017
Testing is a double-edged sword. On one hand, having a solid test suite makes code easier to refactor, and gives confidence that it works the way it should. On the other hand, tests must be written and maintained. They have a cost, like any other code.
Diverse Test-Automation Frameworks For React Native Apps (smashingmagazine.com)
Aug 24, 2016
The bar is set high for today’s mobile apps. First, apps must meet the standard of quality that app markets expect. Secondly, mobile app users are very demanding. Plenty of alternatives are available to download, so users will not tolerate a buggy app. Because mobile apps have become such a crucial part of people’s lives, users won’t be shy about sharing their love or hate for an app — and that feedback gets in front of millions of users in seconds.