I am new to react-testing-library / jest and attempting to write a test to see if the navigation of routes (using react-router-dom) is performed correctly.  So far I have been following the README and this tutorial on how to use.  One of my component...
I'm trying to mock axios.create() because I'm using its instance across the app and obviously need all of its implementation which is destroyed by the mock, thus cannot get the result of the get, post method properly.  This is how the code lo...
I want to test my Expo React Native app with Jest and @testing-lib/react-native.  I have the following set up in my package.json.  "jest": {     "preset": "jest-expo",     "moduleDirectories": [       "node_modules...
I want to change the value of material UI TextField in react testing library. I already set up the data-testid. Then using getByTestId i picked up the input element.  // the component <TextField   data-testid="input-email"   variant="o...
I'm trying to mock a fetch() that retrieves data into a component.  I'm using this as a model for mocking my fetches, but I'm having trouble getting it to work.  I'm getting this error when I run my tests: babel-plugin-jest-hoist: The...
I have a mock as follows  jest.mock('react-hook-inview', () => {   const setRef = jest.fn();   const observer = jest.fn();   const intersecting = true;   const entry = {     y: 0,   };   return [setRef, intersecting, entry, observer]; });...
Warning: validateDOMNesting(...): <tbody> cannot appear as a child of <div>.     in tbody (created by TableBody)     in TableBody (created by TableBody)     in TableBody   Question:  How do I render my TableBody component a table element,...
Why does this error occur in the following code? I have already imported 'Simulate' from 'react-testing-library' but the error states that 'Simulate' is 'undefined'  import React from 'react'; import { render,...
I am new to testing redux connected components in React and trying to figure out how to test them.   Currently I'm using react-testing-library and having trouble setting up the my renderWithRedux function to correctly setup redux.   Here is a sam...
I was bootstrapping my first TypeScript + React project from scratch. I was successful with the TypeScript and component rendering. However, as I try to add a test, it just fails with some type errors.  I've tried to play around with different co...

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