Jest - how to test if a component does not exist?

Question

How do I check if a component is not present, i.e. that a specific component has not been rendered?

Answer 1

Providing a slightly updated answer based on the documentation for enzyme-matchers's toExist. This will require you to install the enzyme-matchers package.

function Fixture() {
  return (
    

      
      
    
  );
}

const wrapper = mount(); // mount/render/shallow when applicable

expect(wrapper.find('span')).toExist();
expect(wrapper.find('ul')).not.toExist();