Error using 'react-test-renderer' - Cannot read property 'hasOwnProperty' of undefined

Question

I'm trying to implement Jest in my react app, but when I import the react-test-renderer, I get the error message: TypeError: Cannot read property 'hasOwnProperty' of undefined

The only line in my App.test.jsx file is:

import TestRenderer from 'react-test-renderer'; // ES6

The full error text is:

TypeError: Cannot read property 'hasOwnProperty' of undefined

 at node_modules\react-test-renderer\cjs\react-test-renderer.development.js:177:27
 at Object.<anonymous> (node_modules\react-test-renderer\cjs\react-test-renderer.development.js:17924:5)
 at Object.<anonymous> (node_modules\react-test-renderer\index.js:6:20)
 at Object.<anonymous> (src\components\App.test.jsx:2:52)

Any suggestions?

Answer 1

Check your react and react-dom versions. They should be either different or outdated.