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Meta Open Source is transferring Jest to the OpenJS Foundation
Meta Open Source is transferring Jest to the OpenJS Foundation Meta Open Source is officially transferring Jest, its open source JavaScript testing framework, to the OpenJS Foundation. With over 17 million weekly downloads and over 38,000 GitHub stars, Jest is the most used testing framework in the JavaScript ecosystem and is used by companies of all sizes, including Amazon, Google, Microsoft, and
Jest 28: Shedding weight and improving compatibility 🫶 · Jest
Jest 28 is finally here, and it comes with some long requested features such as support for sharding a test run across multiple machines, package exports and the ability to customize the behavior of fake timers. These are just some personal highlights, and we'll be highlighting more in this blog post. Additionally, as announced in the Jest 27 blog post last year, we have removed some packages that
Jest 27: New Defaults for Jest, 2021 edition ⩠· Jest
In the Jest 26 blog post about a year ago, we announced that after two major releases with few breaking changes, Jest 27 will flip some switches to set better defaults for projects that are new or can migrate smoothly. This gives us the opportunity to remove some packages from the default distribution of Jest 28 and publish them as separately installable and pluggable modules instead. Everyone on
Jest 26: Tick Tock · Jest
When we started rebuilding Jest five years ago our goal was to provide a batteries-included zero-configuration test runner that is approachable for beginners, extensible for almost all testing use cases and scalable to large projects. One of the instrumental releases was Jest 15 which tied everything together and provided good defaults that allowed people to run Jest often without any setup. Howev
Software tests as a documentation tool
Why tests are perfect to tell a story of your code I'm working on a big UI Testing Best Practices project on GitHub, I share this post to spread it and have direct feedback. Documenting is generally hard, it requires precise and meticulous work and it requires that all the members of the team understand and value writing good documentation. Documenting is selfless work and for selfless, I mean tha
Writing end-to-end tests for GraphQL servers using Jest - LogRocket Blog
Writing end-to-end tests for applications helps to ensure applications behave as expected. It also comes in handy when we add new features to existing applications because it ensures the newly introduced features integrate well with our already existing features. If that isn’t the case, our test suite will fail, which prompts us to make the appropriate changes across our application to ensure the
I tested a React app with Jest, Enzyme, Testing Library and Cypress. Here are the differences.
Jest vs Testing Library vs Cypress: The results of the tests are in!You probably know that knowing how to test your code is important.A lot of jobs in tech will require knowledge of testing with at least one testing tool/framework/library. Here we will look to show you how to write tests with three different tools so that you can not only see the differences between them, but also begin to underst
Hooks時代ã®ãƒ¦ãƒ‹ãƒƒãƒˆãƒ†ã‚¹ãƒˆ - Qiita
[2019/12/21 追記] 数ヶ月テストをé‹ç”¨ã—ã¦ã¿ã¦ã€React Hooksã«ãŠã‘るユニットテストをã©ã†ã™ã¹ãã‹ã‚’æ›´æ–°ã—ãŸè¨˜äº‹ã‚’出ã—ãŸã®ã§ã“ã£ã¡ã‚‚å‚考ã«ã—ã¦ã¿ã¦ãã ã•ã„ 👉 React Hooks Testing React Hooks使ã£ã¦ã¾ã™ã‹? ãƒã‚¸ãƒƒã‚¯ã‚’ã‚レイã«ã‹ã‘ã‚‹ã—ã€æœ€è¿‘ã§ã¯ReduxHooksã‚‚ç™»å ´ã—connectã‚„HOCã®åœ°ç„ã‹ã‚‰æŠœã‘出ã—Hooksãªã—ã§ã¯ç”Ÿãã¦ã„ã‘ãªã„ã¨ã„ã†äººã‚‚多ã„ã¨æ€ã„ã¾ã™ã€‚ ã—ã‹ã—テストãŒæ›¸ãã«ãã„(特ã«ReduxHooks)ãªã©èª²é¡ŒãŒã‚りプãƒãƒ€ã‚¯ã‚·ãƒ§ãƒ³ç’°å¢ƒã«å–り入れられã¦ã„ãªã„ãªã©ã®å£°ã‚‚èžãã¾ã™ã€‚ ãã‚“ãªHooksã®ãƒ¦ãƒ‹ãƒƒãƒˆãƒ†ã‚¹ãƒˆã§ç§è‡ªèº«ãŒè¿·ã£ãŸã‚«ã‚¹ã‚¿ãƒ Hooksã¨ReduxHooksを使ã£ã¦ã„るコンãƒãƒ¼ãƒãƒ³ãƒˆã®ãƒ¦ãƒ‹ãƒƒãƒˆãƒ†ã‚¹ãƒˆã‚’Jest・enzymeを使ã£ã¦ç´¹ä»‹ã—ã¾ã™ã€‚ カスタムHook カスタムHookã¨ã¯Hooks APIを組ã¿åˆã‚ã›ã‚‹ã“
TypeScriptã§Jestを使ã†ã¨ãã®è¨å®šï¼ˆts-jest, @types/jestãªã©ï¼‰ - dackdive's blog
メモ。 TypeScript を使ã£ãŸãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã« Jest ã‚’å°Žå…¥ã™ã‚‹æ™‚ã«å¿…è¦ãªãƒ‘ッケージやè¨å®šã€ã¨ãã« ts-jest 㨠@types/jest ãŒå¿…ãšå¿…è¦ãªã®ã‹ã©ã†ã‹ãŒã‚ˆãã‚ã‹ã£ã¦ãªã‹ã£ãŸã®ã§èª¿ã¹ãŸã€‚ å…ˆã«ã¾ã¨ã‚ TypeScript -> JavaScript ã®ã‚³ãƒ³ãƒ‘イルを TypeScript 自身ã§ã‚„ã‚‹ã‹ Babel ã«ä»»ã›ã‚‹ã‹ã§å¿…è¦ãªè¨å®šãŒç•°ãªã‚‹ã€‚ （Babel 7 ã‹ã‚‰ TypeScript ãŒã‚µãƒãƒ¼ãƒˆã•ã‚ŒãŸï¼‰ @types/jest ã¯ï¼ˆãƒ†ã‚¹ãƒˆãƒ•ã‚¡ã‚¤ãƒ«ã‚‚åž‹ãƒã‚§ãƒƒã‚¯ã™ã‚‹ãªã‚‰ï¼‰ä¸¡æ–¹ã§å¿…è¦ TypeScript ã®ã‚³ãƒ³ãƒ‘イル㫠Babel を使ã†å ´åˆã€@preset/typescript 㨠babel-jest をインストールã—ã¦ãŠã‘ã° ts-jest ã¯ä¸è¦ TypeScript ã®ã‚³ãƒ³ãƒ‘イル㫠TypeScript を使ã†å ´åˆã€ ts-jest ãŒå¿…è¦ã€‚jest.c
Jest 24: 💅 Refreshing, Polished, TypeScript-friendly · Jest
Today we are happy to announce the next major release of Jest - version 24! It's been 4 months since the last minor release, and 8 months since Jest 23, so this upgrade is a big one, with something for everyone! Highlights include built-in support for TypeScript by upgrading the Jest internals to Babel 7, fixing some long-standing issues with missing console output and performance issues when comp
Jest 23: 🔥 Blazing Fast Delightful Testing · Jest
Today we are excited to announce Jest 23, our largest major release to date! Together with over 100 contributors, we've shipped a ton of features and bug fixes. Thank you to everyone in the community for helping make JavaScript Testing Delightful. We would also like to welcome both Babel and webpack to the Jest community! After converting from Mocha to Jest 23 Beta, webpack saw their total test su
Jestã¨Puppeteerã§ãŠæ‰‹è»½(Visual)レグレッションテスト - Qiita
ã¯ã˜ã‚ã« åˆæœŸã®ã‚¹ã‚¿ãƒ¼ãƒˆã‚¢ãƒƒãƒ—ã§ã®ãƒªãƒªãƒ¼ã‚¹å‰ã®æœ€ä½Žé™ã®ãƒ†ã‚¹ãƒˆã¨ã—ã¦Jestã¨Puppeteerを使ã£ã¦Visualレグレッションテストã¨æŒ™å‹•ã®ãƒ¬ã‚°ãƒ¬ãƒƒã‚·ãƒ§ãƒ³ãƒ†ã‚¹ãƒˆã‚’作りã¾ã—ãŸã€‚備忘も兼ãã¦ã¾ã¨ã‚ã¦ã¿ã¾ã™ã€‚ 今回使ã†ãƒ„ール 主ã«ä½¿ã†ã‚‚ã®ã¯ä»¥ä¸‹ã®2点ã§ã™ã€‚Puppeteerã¨Jest自体ã®èª¬æ˜Žã¯å‰²æ„›ã—ã¾ã™ã€‚ jest-puppeteer 2018å¹´3月ã«ãƒªãƒªãƒ¼ã‚¹ã•ã‚ŒãŸJestã¨Puppeteerを連æºã™ã‚‹ãŸã‚ã®ãƒ„ールã§ã™ã€‚ https://github.com/smooth-code/jest-puppeteer/ Jestã®ãƒ†ã‚¹ãƒˆå†…ã§Puppeteerã®pageオブジェクトãŒä½¿ãˆã‚‹ã‚ˆã†ã«ãªã‚Šã¾ã™ã€‚ã¾ãŸã„ãã¤ã‹ã®matcherãŒè¿½åŠ ã•ã‚Œã¾ã™ã€‚ 例 // フォームを埋ã‚る。対象ã®ãƒ•ã‚©ãƒ¼ãƒ åŠã³ãƒ•ã‚£ãƒ¼ãƒ«ãƒ‰ãŒè¦‹ã¤ã‹ã‚‰ãªã„å ´åˆã¯ãƒ†ã‚¹ãƒˆãŒå¤±æ•—ã™ã‚‹ await expect(page).toFillForm
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Vitest
GitHub - jest-community/jest-extended: Additional Jest matchers ðŸƒðŸ’ª
Parameterised mock return values · Issue #6180 · jestjs/jest
GitHub - NickColley/jest-axe: Custom Jest matcher for aXe for testing accessibility ♿ï¸ðŸƒ
GitHub - gnapse/jest-dom: Custom jest matchers to test the state of the DOM
[RFC] Migrate Jest to TypeScript by SimenB · Pull Request #7554 · jestjs/jest![[RFC] Migrate Jest to TypeScript by SimenB · Pull Request #7554 · jestjs/jest](https://cdn-ak-scissors.b.st-hatena.com/image/square/cc437f179079b68c1bc7e2471024fab183e2d43f/height=288;version=1;width=512/https%3A%2F%2Fopengraph.githubassets.com%2F89778bd573135b796f1e54b2f2c98e26f02405b768d6f4bdcbe7cd9bf7f6cb35%2Fjestjs%2Fjest%2Fpull%2F7554)
GitHub - argos-ci/jest-puppeteer: Run tests using Jest & Puppeteer 🎪✨
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