43 lines
1.1 KiB
JavaScript
43 lines
1.1 KiB
JavaScript
let ReactDOM = require('react-dom');
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describe('ReactDOMRoot', () => {
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let container;
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beforeEach(() => {
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jest.resetModules();
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container = document.createElement('div');
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ReactDOM = require('react-dom');
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});
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afterEach(() => {
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jest.restoreAllMocks();
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});
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test('deprecation warning for ReactDOM.render', () => {
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spyOnDev(console, 'error');
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ReactDOM.render('Hi', container);
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expect(container.textContent).toEqual('Hi');
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if (__DEV__) {
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expect(console.error).toHaveBeenCalledTimes(1);
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expect(console.error.mock.calls[0][0]).toContain(
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'ReactDOM.render is no longer supported',
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);
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}
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});
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test('deprecation warning for ReactDOM.hydrate', () => {
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spyOnDev(console, 'error');
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container.innerHTML = 'Hi';
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ReactDOM.hydrate('Hi', container);
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expect(container.textContent).toEqual('Hi');
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if (__DEV__) {
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expect(console.error).toHaveBeenCalledTimes(1);
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expect(console.error.mock.calls[0][0]).toContain(
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'ReactDOM.hydrate is no longer supported',
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);
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}
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});
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});
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