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46 lines
1.7 KiB
46 lines
1.7 KiB
import React from 'react';
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import BackTop from '..';
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import mountTest from '../../../tests/shared/mountTest';
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import rtlTest from '../../../tests/shared/rtlTest';
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import { fireEvent, render, sleep } from '../../../tests/utils';
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describe('BackTop', () => {
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mountTest(BackTop);
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rtlTest(BackTop);
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it('should scroll to top after click it', async () => {
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const { container } = render(<BackTop visibilityHeight={-1} />);
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const scrollToSpy = jest.spyOn(window, 'scrollTo').mockImplementation((_, y) => {
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window.scrollY = y;
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window.pageYOffset = y;
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document.documentElement.scrollTop = y;
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});
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window.scrollTo(0, 400);
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expect(document.documentElement.scrollTop).toBe(400);
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fireEvent.click(container.querySelector('.ant-back-top')!);
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await sleep(500);
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expect(document.documentElement.scrollTop).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 { container } = render(<BackTop onClick={onClick} visibilityHeight={-1} />);
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const scrollToSpy = jest.spyOn(window, 'scrollTo').mockImplementation((_, y) => {
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window.scrollY = y;
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window.pageYOffset = y;
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});
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document.dispatchEvent(new Event('scroll'));
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window.scrollTo(0, 400);
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fireEvent.click(container.querySelector('.ant-back-top')!);
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expect(onClick).toHaveBeenCalled();
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scrollToSpy.mockRestore();
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});
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it('invalid target', async () => {
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const onClick = jest.fn();
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const { container } = render(<BackTop onClick={onClick} visible target={undefined} />);
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fireEvent.click(container.querySelector('.ant-back-top')!);
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expect(onClick).toHaveBeenCalled();
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});
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});
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