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主要言語: JavaScript
A workshop for testing react applications
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- 最終更新
- 2024/10/01
gem-hunter主要言語: JavaScript
A workshop for testing react applications
In this hands-on workshop you'll learn everything you need to test React components and applications with ease and get the knowledge you need to ship your applications with confidence.
NOTE: The EpicReact.dev videos were recorded with React version ^16.13 and all material in this repo has been updated to React version ^18. Differences are minor and any relevant differences are noted in the instructions.
It's recommended you run everything in the same environment you work in every day, but if you don't want to set up the repository locally, you can get started in one click with Gitpod, CodeSandbox, or by following the video demo instructions for GitHub Codespaces.
For a local development environment, follow the instructions below
All of these must be available in your PATH. To verify things are set up
properly, you can run this:
git --version node --version npm --version
If you have trouble with any of these, learn more about the PATH environment variable and how to fix it here for windows or mac/linux.
If you want to commit and push your work as you go, you'll want to fork first and then clone your fork rather than this repo directly.
After you've made sure to have the correct things (and versions) installed, you should be able to just run a few commands to get set up:
git clone https://github.com/kentcdodds/testing-react-apps.git
cd testing-react-apps
node setupThis may take a few minutes. It will ask you for your email. This is optional and just automatically adds your email to the links in the project to make filling out some forms easier.
If you get any errors, please read through them and see if you can find out what the problem is. If you can't work it out on your own then please file an issue and provide all the output from the commands you ran (even if it's a lot).
If you can't get the setup script to work, then just make sure you have the right versions of the requirements listed above, and run the following commands:
npm install npm run validate
If you are still unable to fix issues and you know how to use Docker 🐳 you can setup the project with the following command:
docker-compose up
For this one, there's not much to the app itself. The whole reason we have the app is just so you can see examples of the components that we'll be testing. You'll spend most of your time in the tests.
To get the app up and running, run:
npm start
This should start up your browser. If you're familiar, this is a standard react-scripts application.
You can also open the deployment of the app on Netlify.
npm testThis will start Jest in watch mode. Read the output and play around with it. The tests are there to help you reach the final version, however sometimes you can accomplish the task and the tests still fail if you implement things differently than I do in my solution, so don't look to them as a complete authority.
src/__tests__/exercise/00.md: Background, Exercise Instructions, Extra
Creditsrc/__tests__/exercise/00.js: Exercise with Emoji helperssrc/__tests__/final/00.js: Final versionsrc/__tests__/final/00.extra-0.js: Final version of extra creditThe purpose of the exercise is not for you to work through all the material. It's intended to get your brain thinking about the right questions to ask me as I walk through the material.
Each exercise has comments in it to help you get through the exercise. These fun emoji characters are here to help you.
Thanks goes to these wonderful people (emoji key):
This project follows the all-contributors specification. Contributions of any kind welcome!
Each exercise has an Elaboration and Feedback link. Please fill that out after the exercise and instruction.
At the end of the workshop, please go to this URL to give overall feedback. Thank you! https://kcd.im/tra-ws-feedback
