Jest is a JavaScript unit testing framework made by Facebook based on Jasmine and provides automated mock creation and a jsdom environment.
I have a component library that I'm writing unit tests for using Jest and react-testing-library. Based on certain props or …
reactjs jestjs react-testing-libraryI have a method which depends on new Date to create a date object and then manipulates it. I'm testing …
javascript jestjsI am trying to mock console.warn/error but i can't. I use a third-party-library which calls console.warn inside …
javascript unit-testing tdd jestjsThe Jest documentation suggests using npm test to execute tests. Is there a way of watching your source and tests …
npm jestjsI would like to mock a function with Jest, but only if it is called with specific arguments, for example: …
javascript unit-testing jestjsI'm using create-react-app and trying to write a jest test that checks the output of a console.log. My function …
javascript reactjs jestjsI want to test to see whether an image has properly loaded in a React app. I have decided to …
javascript reactjs jestjs enzymeIn React Native I use fetch to perform network requests, however fetch is not an explicitly required module, so it …
unit-testing react-native jestjsI'm using Jest to test my React app. Recently, I added DeckGL to my app. My tests fail with this …
jestjsIn Jest there are functions like toeCalled or toBeCalledWith to check if a particular function is called. Is there any …
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