I am trying to run a unit test in angular. But I am getting the below error message. It is not throwing during compilation process and my application works fine as expected but this error is thrown only when the unit testing is carried out.
Math.random() always giving random values instead of mocked ones.
New to jest and react code testing.
I am testing a file which imports base64 from react-native-base64 and decodes a value that is fetched from backend system in useEffect. Below is the sample code.
I use testing-library
I am doing unit testing using jest . But getting below error .I tried some solutions but still same . Please suggest me where I am wrong .
What I’m trying is to test if a component, which depends on a context, calls useEffect and a function (mocked by jest.fn()) is called from there.
I want to test the rendering of the images of my functional component, the products are in a json, I tried to import the json and pass it in the component but it didn’t work :
My application is made using create react app and npm. In the jest’s official documentation, https://jestjs.io/docs/tutorial-react , they only have information about testing CRA apps using yarn. Does this mean we cannot use jest to test our React app using npm?
useEffect(()=>{ Auth.currentAuthenticatedUser().then((user) => { setUser(user) setIsLoading(false) if (user.challengeName === 'NEW_PASSWORD_REQUIRED') { navigate('/ForceChangePassword') } else{ navigate('/App') } }).catch(error => { console.log('isCurrentAuthenticatedUser- ',error) setUser(null) setIsLoading(false) }) }); Answers: Thank you for visiting the Q&A section on Magenaut. Please note that all the answers may not help you solve the issue immediately. So please treat them as advisements. … Read more
I have below component in react. I put in short only
