testing-react | Testing utilities that allow you to reuse your Storybook | Testing library
kandi X-RAY | testing-react Summary
kandi X-RAY | testing-react Summary
Testing utilities that allow you to reuse your stories in your unit tests.
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QUESTION
I have literally trawled everywhere for an answer to this and possibly tried 99% of things out there so i decided to start a thread of its own so others can run their eyes over what i have currently and see if they can spot the issue.
i am very new to Jest testing and decided to try implement it onto our code base. i used this guide to make sure everything i done was perfect but still this error occurs A Practical Guide To Testing React Applications With Jest
I am testing this aginst a simple functional component which uses react-hook-form to produce a form on the page and then sends the completed form to our backend via a redux call
I have setup the setupTests.js file as:
...ANSWER
Answered 2021-Nov-11 at 18:05You would want to set up the files after the test framework has been installed
Here are a couple of ways you can go about doing it (For this particular question, method 1 is more relevant)
1)react-scripts
Replace/Add --setupFilesAfterEnv
instead of using --setupFiles
Example: "test": "react-scripts test --setupFilesAfterEnv
jest.config.js
QUESTION
Does anyone know how can I load the TailwindCSS from the testing files?
I've tried to use the same approach I used on VueJS, importing the css file, but it does just not load the styles.
Here's the commit where I added the cypress component testing: https://github.com/vicainelli/cypress-component-testing-react-tailwindcss/commit/2fa25833cb965fadfeda6c53b80a23bb12b3b1c5
I know in mount there are options that I can pass the stylesheet, for example
Like this:
...ANSWER
Answered 2021-Aug-15 at 16:00You can directly import the tailwind CSS like this as mentioned in the cypress 7.0 migration guide. Also, mountingOptions.stylesheets
are not recommended.
QUESTION
I'm using react testing library to test my component built with FluentUI.
Here is link: https://codesandbox.io/s/keen-borg-2tqmj?file=/src/App.spec.js
The code is basically a pasted snippet of the example code of Dialog
component from FluentUI docs site. The behavior that I'm testing is:
- User opens the dialog
- User clicks outside of the dialog
onDimiss
prop of the component should be fired.
It works when I'm playing with it manually however it seems that I failed to simulate a click outside of the component with testing library.
I tried using userEvent.click(document.body)
as mentioned in this post but got no luck
Does anyone has any idea how to make test work?
...ANSWER
Answered 2021-Jun-11 at 15:51It is not working because the Dialog component is not listening for the onClick
event on the body
, so what you need to do in this case is to find the actual element that is being clicked, observing the dom you'll find that the overlay is a div with some overlay classes on it.
QUESTION
I'm following a tutorial on react testing. The tutorial has a simple component like this to show testing asynchronous actions:
...ANSWER
Answered 2021-Jan-14 at 19:33If you're waiting for appearance, you can use it like this:
QUESTION
I am testing the form component on my react app. I am getting a similar error as the unresolved post here (Testing form input in jest and enzyme).
I tried 2 different methods for form.test.js below, both aren't giving me passing tests.
...ANSWER
Answered 2020-Sep-22 at 16:47It looks like you have missed to add name
as you simulate change
event in your 1st attempt.
It would work as you add the name
as part of payload of event as following:
QUESTION
I am very new to testing and I finally feel like I'v got the hang of it. However, mocks are still a bit confusing. I am currently testing a signup function and the functions executes up until Auth.signUp
. I'm not sure if I need to mock something in my test or if I need it to run through a different test.
ANSWER
Answered 2020-Mar-17 at 23:39I got it working!
QUESTION
I have header component like below:
...ANSWER
Answered 2020-Jan-28 at 17:19Have you tried:
QUESTION
I am trying to test a React component using Enzyme. Tests worked fine until we converted the component to hooks. Now I am getting the error, "Error: Uncaught [TypeError: Cannot read property 'history' of undefined]"
I have already read through the following similar issues and wasn't able to solve it:
- React Jest/Enzyme Testing: useHistory Hook Breaks Test
- testing react component with enzyme
- Jest & Hooks : TypeError: Cannot read property 'Symbol(Symbol.iterator)' of undefined
Also this article: * https://medium.com/7shifts-engineering-blog/testing-usecontext-react-hook-with-enzyme-shallow-da062140fc83
Full component, AccessBarWithRouter.jsx:
...ANSWER
Answered 2020-Mar-04 at 21:22The problem here comes from inside of useHistory hook as you can imagine. The hook is designed to be used in consumers of a router provider. If you know the structure of Providers and Consumers, it'll make perfect sense to you that, here the consumer (useHistory) is trying to access some information from provider, which doesn't exist in your text case. There are two possible solutions:
Wrap your test case with a router
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