enzyme – how can I check if the component is unmounted? Code Answer

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As the title is, How can I check if a component is unmounted?

I tried to check it using component.length, but it always has length(not zero).

Is there a way to check if a component unmounted?

Answer

An unmounted component should be no more part of the DOM representation.

Therefore you should be able to use enzyme’s exists method on your unmounted component selector:

const component = wrapper.find('MyUnmountedComponent');
expect(component.exists()).toBe(false);
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