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import React, { useState } from 'react';
import type { Breakpoint } from '../..';
import { fireEvent, render } from '../../../tests/utils';
import Sider from '../Sider';
const Content = () => {
const [breakpoint, setBreakpoint] = useState<Breakpoint>('sm');
const toggleBreakpoint = () => {
if (breakpoint === 'sm') {
setBreakpoint('lg');
} else {
setBreakpoint('sm');
}
};
return (
<Sider breakpoint={breakpoint}>
<button type="button" id="toggle" onClick={toggleBreakpoint}>
Toggle
</button>
</Sider>
);
};
it('Dynamic breakpoint in Sider component', () => {
const add = jest.fn();
const remove = jest.fn();
const newMatch = jest.spyOn(window, 'matchMedia').mockReturnValue({
matches: true,
addEventListener: add,
removeEventListener: remove,
} as any);
const { container } = render(<Content />);
// Record here since React 18 strict mode will render twice at first mount
const originCallTimes = newMatch.mock.calls.length;
expect(originCallTimes <= 2).toBeTruthy();
// subscribe at first
expect(add.mock.calls).toHaveLength(originCallTimes);
expect(remove.mock.calls).toHaveLength(originCallTimes - 1);
fireEvent.click(container.querySelector('#toggle') as Element);
expect(newMatch.mock.calls).toHaveLength(originCallTimes + 1);
expect(add.mock.calls).toHaveLength(originCallTimes + 1);
expect(remove.mock.calls).toHaveLength(originCallTimes);
jest.restoreAllMocks();
});
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