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@vue/test-utils1,878,3401,0431.51 MB326 months agoMIT
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@vue/test-utils is the official unit testing utility library for Vue.js applications. It provides a set of utility functions to facilitate the testing of Vue components, making it easier to mount components, simulate user interactions, and assert expected outcomes. With its focus on Vue's reactivity system, @vue/test-utils allows developers to write tests that are both efficient and easy to maintain. This library is essential for ensuring that Vue components behave as expected and helps in catching bugs early in the development process.

While @vue/test-utils is specifically designed for Vue.js, there are alternatives available for testing components in other frameworks, such as React. Here are a couple of notable alternatives:

  • enzyme is a popular testing utility for React that allows developers to manipulate, traverse, and simulate runtime given the output of React components. It provides a variety of methods for shallow rendering, full DOM rendering, and static rendering, making it versatile for different testing scenarios. Enzyme is particularly useful for unit testing React components, as it allows for detailed inspection of component behavior and state. However, it is worth noting that enzyme is primarily compatible with React class components and may require additional configuration for functional components.

  • react-testing-library is another widely-used testing library for React applications. It encourages testing from the user's perspective by focusing on how components behave in the context of the application rather than their implementation details. This library promotes best practices by encouraging developers to write tests that resemble how users interact with the application, making the tests more reliable and maintainable. react-testing-library is ideal for integration and end-to-end testing, as it helps ensure that components work together as intended.

To see how @vue/test-utils compares with enzyme and react-testing-library, check out the comparison: Comparing @vue/test-utils vs enzyme vs react-testing-library.

README for @vue/test-utils

Vue Test Utils

Component testing utils for Vue 3.

Languages

🇫🇷 French version of this README.md

Installation and Usage

  • yarn: yarn add @vue/test-utils --dev
  • npm: npm install @vue/test-utils --save-dev

Get started with the documentation.

Coming from Vue 2 + Test Utils v1?

Check the migration guide. It's still a work in progress. If you find a problem or something that doesn't work that previously did in Vue Test Utils v1, please open an issue.

Documentation

See the docs.

Development

Get started by running pnpm install. You can run the tests with pnpm test. That's it!

Contributing Docs

All the documentation files can be found in packages/docs. It contains the English markdown files while translation(s) are stored in their corresponding <lang> sub-folder(s):

  • fr: French translation.

Besides that, the .vitepress sub-folder contains the config and theme, including the i18n information.

  • pnpm docs:dev: Start the docs dev server.
  • pnpm docs:build: Build the docs.

To add or maintain the translations, we follow the Vue Ecosystem Translation Guidelines.

  • pnpm docs:translation:status [<lang>]: Show the translation status for your language. If you don't specify a language, it will show the status for all languages.
  • pnpm docs:translation:compare <lang>: Compare the docs with the latest checkpoint for your language.
  • pnpm docs:translation:update <lang> [<commit>]: Update the checkpoint for your language. The checkpoint will be set by the latest commit hash. However, you can also specify a commit hash manually.
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