I've been trying to configure jest and @testing-library/jest-dom to work with my typescript/react/next.js website. Every-time I run the test I run in ...
I've been trying to configure jest and @testing-library/jest-dom to work with my typescript/react/next.js website. Every-time I run the test I run in ...
I am writing tests for React component with @testing-library/react and vitest. Here is my code: It works fine, but for some reason I get these anno ...
There are plenty of examples of getBy* or findBy* queries are used in conjunction with expect().toBeInTheDocument(). At the same time the Testing Libr ...
Context/Setup: I'm trying to use Jest and React-Testing-Library to test the render of a React component <Main/>, but when I run the test, the c ...
I want to use/run jest-dom matchers separately/standalone (not in a test, but in a webpage) like this: This is what jest-dom GitHub claims: The ...
I am developing an application with Ionic Angular. While I am testing with @testing-library/angular, the test is not working for ion-button but works ...
I'm recently learning how to write component tests with jest and the react testing library. I have an animation in useLayoutEffect, the code works fi ...
I have a component with some parts that are conditionally rendered based on some config on the window object. This all works, I can confirm this manua ...
I'm learning about testing and react. I'm having a little trouble understanding why a test is passing when it should not: From App.js From App.tes ...
How do you test an inner function that is been looped over in jest? Example I have: index.js and for index.test.js How can I reach the final e ...
We have been using Enzyme for a long time to test our react components but have started the migration to React Testing Library step by step. When try ...
Having problems setting up ts-jest with jest-dom and react-testing library in a Next JS app, it seems I am unable to get access to any of the @testing ...
I'm trying to check if this ModalVideo component have some styles applied when opened (prop isOpen={true}), like so: But the IDE fires this warning ...
I'm trying to create some tests for a checkbox component but looks like I can't make an assertion for an input[type="checkbox"] when is disabled. In ...
I'm working on a test code for my React project. What I want to check is 'if the input type is number, it disallow the text insertion'. Below is the t ...
I want to write a unit test with Jest, with jest-dom as a mock DOM--without having to transpile. I was hoping all I had to do was import the jest-dom ...
I create a React.js App with "create React App" and I'm learning to run tests. Why in the below code I can use expect().toBeInTheDocument if I am not ...
I would like to add react testing library to a project that uses mocha and chai for unit tests. I am bit stumped when I comes to writing assertions, m ...
I'm testinng a react component using the RTL, and everytime I ran a test, I get, **Here's the code Any help on this will be greatly appreciated. ...
I am trying to add the jest-dom library to every test file. I installed that package and made the "jestSetup.js" file and add the package.json as belo ...