mirror of
https://github.com/ant-design/ant-design.git
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0c3ba124b4
* type: delete visible & code optimization * add PureBackTop * fix: update snap * fix: cov * fix: add istanbul ignore * fix * feat: use visibilityHeight=0 replace visible=true * snap * cov * test case * test case * fix * fix cov * fix test * simplify code * rename function
55 lines
1.9 KiB
TypeScript
55 lines
1.9 KiB
TypeScript
import React from 'react';
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import FloatButton 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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const { BackTop } = FloatButton;
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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<HTMLButtonElement>('.ant-float-btn')!);
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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<HTMLButtonElement>('.ant-float-btn')!);
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expect(onClick).toHaveBeenCalled();
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});
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it('support invalid target', () => {
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const onClick = jest.fn();
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const { container } = render(
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<BackTop onClick={onClick} visibilityHeight={0} target={undefined} />,
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);
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fireEvent.click(container.querySelector<HTMLButtonElement>('.ant-float-btn')!);
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expect(onClick).toHaveBeenCalled();
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});
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it('pass style to float button', () => {
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const { container } = render(<BackTop style={{ color: 'red' }} visibilityHeight={0} />);
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expect(container.querySelector<HTMLButtonElement>('.ant-float-btn')?.style.color).toBe('red');
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});
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});
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