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bruceharris/LoadingIndicator.test.js

Created March 2, 2018 16:33
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React Unit Testing Example 15
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LoadingIndicator.test.js
describe('on unmount', () => {
it('should clear timeout', () => {
jest.useFakeTimers();
const wrapper = mount(
<LoadingIndicator isLoading={true}>
<div>ahoy!</div>
</LoadingIndicator>
);
wrapper.unmount();
expect(clearTimeout.mock.calls.length).toEqual(1);
});
});
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