Category "jestjs"

Testing asynchronous useEffect

My functional component uses the useEffect hook to fetch data from an API on mount. I want to be able to test that the fetched data is displayed correctly. Whi

Jest testing react component with react-intersection-observer

I'm trying to test a component that has a child component that includes react-intersection-observer but I always get an error I tried to import the library bu

jest with vue3 typescript TypeError: Cannot read property 'deep' of undefined

I am doing unit test using jest. The things I am working with is vue3 (typescript) with quasar. I am facing the following error: TypeError: Cannot read property

Test invalid function arguments with TypeScript and JestJS

I've beend creating a node application with typescript and I'm using jest to write unit tests. My issue: I can't really write unit tests simulating invalid fun