23 lines
551 B
JavaScript
23 lines
551 B
JavaScript
import ReactDOM from 'react-dom'
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import { renderToDOM } from '.'
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describe('test ReactDOM.render', () => {
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const originalRender = ReactDOM.render
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const originalGetElement = global.document.getElementById
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beforeEach(() => {
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global.document.getElementById = () => true
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ReactDOM.render = jest.fn()
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})
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afterAll(() => {
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global.document.getElementById = originalGetElement
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ReactDOM.render = originalRender
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})
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it('should call ReactDOM.render', () => {
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renderToDOM()
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expect(ReactDOM.render).toHaveBeenCalled()
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})
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})
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