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42 lines
1.3 KiB
JavaScript
42 lines
1.3 KiB
JavaScript
import React from 'react';
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import { mount } from 'enzyme';
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import { sleep } from '../../../tests/utils';
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import mountTest from '../../../tests/shared/mountTest';
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import BackTop from '..';
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describe('BackTop', () => {
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mountTest(BackTop);
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it('should scroll to top after click it', async () => {
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const wrapper = mount(<BackTop visibilityHeight={-1} />);
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const scrollToSpy = jest.spyOn(window, 'scrollTo').mockImplementation((x, y) => {
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window.scrollY = y;
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window.pageYOffset = y;
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});
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window.scrollTo(0, 400);
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// trigger scroll manually
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wrapper.instance().handleScroll();
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await sleep();
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wrapper.find('.ant-back-top').simulate('click');
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await sleep(500);
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expect(window.pageYOffset).toBe(0);
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scrollToSpy.mockRestore();
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});
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it('support onClick', async () => {
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const onClick = jest.fn();
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const wrapper = mount(<BackTop onClick={onClick} visibilityHeight={-1} />);
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const scrollToSpy = jest.spyOn(window, 'scrollTo').mockImplementation((x, y) => {
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window.scrollY = y;
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window.pageYOffset = y;
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});
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window.scrollTo(0, 400);
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// trigger scroll manually
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wrapper.instance().handleScroll();
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await sleep();
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wrapper.find('.ant-back-top').simulate('click');
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expect(onClick).toHaveBeenCalled();
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scrollToSpy.mockRestore();
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});
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});
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