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54 lines
1.9 KiB
54 lines
1.9 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, waitFakeTimer } from '../../../tests/utils';
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describe('BackTop', () => {
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beforeEach(() => {
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jest.useFakeTimers();
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});
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afterEach(() => {
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jest.useRealTimers();
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});
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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 />);
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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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await waitFakeTimer();
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expect(document.documentElement.scrollTop).toBe(400);
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fireEvent.click(container.querySelector<HTMLDivElement>('.ant-back-top')!);
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await waitFakeTimer();
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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', () => {
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const onClick = jest.fn();
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const { container } = render(<BackTop onClick={onClick} visibilityHeight={0} />);
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fireEvent.click(container.querySelector<HTMLDivElement>('.ant-back-top')!);
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expect(onClick).toHaveBeenCalled();
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});
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it('invalid target', () => {
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const onClick = jest.fn();
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const { container } = render(<BackTop onClick={onClick} target={undefined} />);
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fireEvent.click(container.querySelector<HTMLDivElement>('.ant-back-top')!);
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expect(onClick).toHaveBeenCalled();
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});
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it('should console Error', () => {
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const errSpy = jest.spyOn(console, 'error').mockImplementation(() => {});
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render(<BackTop />);
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expect(errSpy).toHaveBeenCalledWith(
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'Warning: [antd: BackTop] `BackTop` is deprecated, please use `FloatButton.BackTop` instead.',
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);
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errSpy.mockRestore();
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});
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});
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