jest
https://github.com/jestjs/jest
TypeScript
Delightful JavaScript Testing.
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- Issues
- ESM should require file extensions
- Refactor TestRunner interface
- FakeTimers don't work with nested promises
- Module loaded twice when jest.mock gets called
- Allow mocking `require.resolve`
- beforeAll() executed in parallel with test case in case of timeout
- doMock doesn't fake modules required from NodeJS Worker Thread
- Meta: Native support for ES Modules
- Jest gives no indication that test fails because of unhandled promise rejection.
- 100% CPU usage on --bail & --coverage combination
- Docs
- TypeScript not yet supported