RFC: Split Jest from React Native Core #926
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byCedric
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Aug 17, 2025
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byCedric
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Aug 17, 2025
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| ## Alternatives | ||
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| - **Continue including Jest:** We could continue including the preset, and take on the maintenance burden associated with this, as long as development and support is revilatised. | ||
| - **Switch default testing framework:** We could replace Jest with another test framework and runner like Vitest. However, this increases maintenance burden. | ||
| - **Minimal testing interface:** We could create a framework-agnostic unit testing interface. However, `@testing-library/react-native` already exists. | ||
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| This proposal was chosen partially because options for E2E testing already exist, and alternative runners can use `@testing-library/react-native`. The main complexity of replacing Jest for React Native is associated with bundling. However, as new projects make strides in supporting more projects, as long as native-platform-extension support and Babel preset transpilation of all modules is possible, a test framework can start supporting React Native. Removing the `jest-preset` from `react-native` signals to contributors to encourage other test runners to support React Native, and encourages external maintenance of new test runners. |
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FWIW, @testing-library/* also runs in other systems. Like Bun: https://bun.com/guides/test/testing-library
hassankhan
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Aug 18, 2025
Co-authored-by: Hassan Khan <[email protected]>
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Proposal to remove
react-native/jest-presetin favour of a separate@react-native/jest-presetpackage.View the rendered RFC