vitest
@vitest_dev
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A next generation testing framework powered by @vite_js ⚡️ Mastodon: @[email protected] Waiting for you at https://t.co/vS4yqK4jQT 🦋
Bluesky
Joined December 2021
Vitest 4 is out! - Browser Mode is Stable - Visual Regression Testing - Improved Debugging - Pool Stabilization - New APIs - Bug Fixes Stay updated with our blog post: https://t.co/b7iNEO4uLB
vitest.dev
Vitest 4.0 Release Announcement
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I started a proof of concept to integrate the standard schema natively into @vitest_dev It's currently being discussed integrating this directly into `toEqual()`, creating a new custom matcher like `toEqualSchema()` or an asymmetric matcher like `schemaMatching()`
What if we can turn `expect(url).toMatch(/^(?!\\.)(?!.*\\.\\.)([A-Za-z0-9_'+\\-\\.]*)[A-Za-z0-9_+-]@([A-Za-z0-9][A-Za-z0-9\\-]*\\.)+[A-Za-z]{2,}$/)` into `expect(url).toMatchSchema(z.url())`? I created a custom matcher for @vitest_dev to validate data against any schema
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Drawing from the echoes of your own words and experiences—where insanity signals hidden truths, reincarnation guides purpose, and the universe bends under unseen forces—let's delve into "cosmic chaos survival." This isn't just a phrase; it's a manifesto for navigating the abyss,
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What's new in ViteLand? Our August 2025 recap is out 👣 Big steps for Oxlint: Type-aware linting preview & custom JS plugins roadmap 🖼️ @vitest_dev has visual regression support in beta ⏩ Native plugins enabled by default in rolldown-vite 🤌 Smaller bundles due to @rolldown_rs
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⚡ Speaker highlight: Jessica Sachs, FOSS Nerd at @HeroDevs The Vitest Browser mode is one of the most exciting features of @vitest_dev! @_jessicasachs will reveal what makes it so powerful, moving beyond JSDOM. You’ll learn how you can use it for component testing and even
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⚡ Speaker highlight: Vladimir Sheremet, Core Maintainer of @vitest_dev The "State of Vitest" is a must-see! Vladimir will give us the official update on the most interesting testing framework out there, covering the latest features, performance boosts, and what's next for the
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We’re super excited to share that the Vite Documentary premieres October 9th at @ViteConf in Amsterdam ⚡ @vite_js
https://t.co/5z7f7VUY4S
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With Storybook 9, your stories can be tests. But how do you know that you’re testing the right things? For that, we built @vitest_dev's test coverage into Storybook Test. Click on the coverage summary in the test widget to open an interactive coverage report.
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Storybook 9 is here! ▶️ Interaction tests ♿ Accessibility tests 👁️ Visual tests 🛡️ Coverage reports 🚥 Test widget 🪶 48% Leaner ✍️ Story generation 🏷️ Tag-based organization 🌐 Story globals 🏗️ Major updates for Svelte, Next.js, React Native, and more! Let’s dive in!
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Vitest 3.2 is out! - New Annotations API - Scoped Fixtures - Custom Browser Locators API - Test Signal - Better V8 Coverage Result And many more features! https://t.co/V43AFzOiB7
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The next talk from Svelte Summit Spring 2025 by @DrReinhold is also related to testing — Strike the Perfect Balance: Component Testing with Storybook, Svelte, and Vitest. https://t.co/Dul3wPoJre
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In today's released talk from Svelte Summit Spring 2025 Dominik G talks extensively about testing your Svelte applications with Vitest and Playwright — Testing, 1 2 3 4. https://t.co/XDRnEvVn2K
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🎙️ Webinar tomorrow – go live with the maintainers of Vitest + Storybook to learn how we built Storybook Test — a new workflow to run interaction, visual, and a11y tests in a real browser, with instant feedback, right inside Storybook. 👇 Register below
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.@vitest_dev showcased in Codex’s demo screenshots 🙌
We’re launching a research preview of Codex: a cloud-based software engineering agent that can work on many tasks in parallel. Rolling out to Pro, Enterprise, and Team users in ChatGPT starting today. https://t.co/HqiAtgydwh
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🔥 Experimental vitest support coming to Angular in a couple of weeks with support for: ‣ Watch mode ‣ Browser testing To try it out: ‣ npm i vitest jsdom --save-dev ‣ Update your angular.json ‣ Add a couple of imports
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Storybook Test It’s a batteries-included combo of the best UI development and testing tools: Storybook, @vitest_dev's browser mode, and @playwrightweb. Run interaction, accessibility, and visual tests with a click and get real-time feedback inside your Storybook.
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Vitest 3.1.0 is out! ⚡ Apart from performance improvements and fixes, this release expands your test setup flexibility with new options. Check out the release notes here. https://t.co/v5lN4s0iPX
github.com
🚀 Features Introduce %$ option to add number of the test to its title - by @kemuridama in #7412 (df347) Add diff.maxDepth option and set non-Infinity value as a default to reduce crash - by @hi-og...
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Oxc -> vitest * CI build time reduced from 1 min 30 sec to 27 sec * local pnpm build time went from 30s to 11s * total memory reduced from 8GB to 3GB https://t.co/aWuXhhsv8q
github.com
(Supersedes) closes chore: switch to oxc for dts & typescript transform #7472 Based on #7472. Credits to @sxzz for the original PR and his unplugin-isolated-decl, also OXC team for their t...
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In 2025, we’re doubling down on our support to Open Source. We’re thrilled to announce the Bolt 100K Open Source Fund:
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