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Add support for RSC tests to packages/react #8451
Description
We currently have testing coverage for typical client-driven interactions in the browser. However, it'd be great to use vitest-plugin-rsc and vitest-plugin-rsc/testing-library to allow for RSC testing in the package. This helps to ensure appropriate usage of 'use client' in our components and will also allow us to apply them more granularly than we currently do.
This helps to ensure that components that are imported can be rendered in an RSC-context.
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github-actions commentedon Sep 29, 2026
Error: copilot coding agent is not available for this repository
DiFronzo commentedon Oct 23, 2026
I'd like to pick this up. Looking at the setup, it seems like this belongs in the node project in
packages/react/vitest.config.mtsalongsidessr.test.tsx, using the plugin's testing-library helper to render components inside an RSC boundary. That keeps it out ofvitest.config.browser.mtsand leaves the Chromium suite alone.One question before I start:
vitest-plugin-rschas peer dependencies on Next >= 16.4 and Vitest >= 5, so adding it pulls Next into the dev dependencies of a package that doesn't otherwise use it. Is that fine, or would you rather isolate it in a small fixture workspace that only tests the'use client'boundary so the main test config stays Next-free?Let me know if someone is already working on this.