How can I test React component’s style with Jest + Enzyme?

Posted by Jennifer | Updated on

There are a few mistakes in your provided code:

  1. You should not be using DOM element’s style property because React does not manage it. Shift the hidden property into the state instead.
  2. I believe headerStyle is a shallow copy of the style object. After you simulate click, it does not get updated. You will have to query the element again for the style object.
  3. is not valid Jest syntax. It should be toHaveProperty.

Please refer to the corrected code here. If you paste the following into create-react-app, it should just work.



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