jest
https://github.com/jestjs/jest
TypeScript
Delightful JavaScript Testing.
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- Issues
- Use Yarn PnP
- doMock doesn't fake modules required from NodeJS Worker Thread
- jest 25 performance
- JEST tests complete successfully but returns exit status 1
- Meta: Native support for ES Modules
- Jest gives no indication that test fails because of unhandled promise rejection.
- watch crashes when files matched by `testPathIgnorePatterns` are deleted
- 100% CPU usage on --bail & --coverage combination
- The `unhandledRejection` handler is not testable anymore.
- Describe, bail and each don't work as written in the doc
- Docs
- TypeScript not yet supported