jest
https://github.com/jestjs/jest
TypeScript
Delightful JavaScript Testing.
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- Issues
- jest.clearAllMocks(); does not remove mock implementation within `afterEach`
- JEST tests complete successfully but returns exit status 1
- Meta: Native support for ES Modules
- Jest failing with "Call retries were exceeded", using --runInBand works-around issue
- Allow to share global state between tests from globalSetup
- "Received: serializes to the same string" on object equality checking
- Memory Leak on ridiculously simple repo
- No coverage when running in watch mode
- Provide an API to flush the Promise resolution queue
- Jest performance is at best 2x slower than Jasmine, in our case 7x slower
- Docs
- TypeScript not yet supported