For AI agents: the complete documentation index is available at https://rstest.rs/llms.txt, the full documentation bundle is available at https://rstest.rs/llms-full.txt, and this page is available as Markdown at https://rstest.rs/index.md.
close
Rstest
  • English

      • Rspack-basedTesting Framework

      Fast, build-integrated testing for JavaScript and TypeScript

      Quick StartGitHub
      >
      Set up Rstest in this project: https://rstest.rs/guide/start/agent-install.md

      01

      Covers the languages, frameworks, and runtimes of modern JavaScript projects

      A modern testing framework

      One framework for Node.js, jsdom, and real browsers

      • TypeScript, CSS, and more work out of the box
      • Component testing for mainstream frameworks
      • Loads real Module Federation remotes instead of mocks
      Learn more

      02

      Powered by Rspack and Rsbuild for fast test compilation and a rich plugin ecosystem

      Rspack speed, Rsbuild ecosystem

      Tests are compiled by Rspack and share the config and plugin system of Rsbuild, ready out of the box and easy to extend

      • Utilizes Rust-based Rspack and SWC for fast test compilation
      • Compatible with Rsbuild plugins, including official ones such as React and Sass
      • Supports Rsbuild and Rspack config options, configured the same way
      Learn more

      03

      Run tests in Chromium, Firefox, and WebKit via Playwright, covering what a simulated DOM can't

      Real browsers, real DOM

      Tests run in real browsers launched by Playwright, with the same rendering, interactions, and browser APIs as production

      • Covers real layout, computed styles, Canvas, and Web Workers
      • Query elements with the Playwright-style Locator API
      • Assert with the auto-waiting expect.element
      Learn more

      04

      Reuse build config from Rsbuild, Rslib, Rspack, Lynx, and Modern.js projects through adapters

      Reuse your build config

      Adapters extract and convert the config tests need, while Rstest keeps control of test entries and runtime

      • Reuse plugins, aliases, and SWC options from your build config
      • Keep tests consistent with your project config
      • No duplicate config to maintain
      Learn more

      05

      Compatible with Jest and Vitest APIs and CLI, with guides for a smooth migration

      Jest-compatible APIs

      Assertions, mocks, snapshots, lifecycle hooks, projects, and coverage follow Jest and Vitest conventions

      • Familiar describe, test, expect, and snapshot APIs
      • Enable globals to use test APIs without imports
      • Adopt Browser Mode and adapters as needed
      Learn more

      06

      Drive a local dev server, preview server, or deployed app with Playwright for end-to-end verification

      End-to-end in the same runner

      Use Playwright browser automation in Rstest to verify complete page and app flows

      • Ready-to-use browser, context, page, and request fixtures
      • Playwright-style assertions for pages and locators
      • Unit and E2E tests share one runner, config, and reporting workflow
      Learn more

      07

      The fast, unified JavaScript toolchain for developers and agents

      Rspack

      rspack.rs

      A fast Rust-based bundler for the web, with a modernized webpack API

      Rsbuild

      rsbuild.rs

      A fast, extensible build tool for modern web development, powered by Rspack

      Rslib

      rslib.rs

      An Rsbuild-based library development tool for creating libraries and UI components

      Rspress

      rspress.rs

      An Rsbuild-based static site generator for creating documentation sites

      Rsdoctor

      rsdoctor.rs

      An AI-friendly build analyzer that makes the build process transparent

      Rstest

      rstest.rs

      A JavaScript testing framework powered by Rspack, with a Jest-compatible API

      Rslint

      rslint.rs

      A high-performance, ESLint-compatible linter for JavaScript and TypeScript

      Rstack CLI

      rstack.rs

      One CLI that covers development, builds, testing, linting, and formatting