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435 lines
14 KiB
435 lines
14 KiB
import React from 'react';
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import Anchor from '..';
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import { fireEvent, render, waitFakeTimer } from '../../../tests/utils';
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const { Link } = Anchor;
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function createDiv() {
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const root = document.createElement('div');
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document.body.appendChild(root);
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return root;
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}
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let idCounter = 0;
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const getHashUrl = () => `Anchor-API-${idCounter++}`;
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describe('Anchor Render', () => {
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const getBoundingClientRectMock = jest.spyOn(
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HTMLHeadingElement.prototype,
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'getBoundingClientRect',
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);
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const getClientRectsMock = jest.spyOn(HTMLHeadingElement.prototype, 'getClientRects');
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beforeAll(() => {
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jest.useFakeTimers();
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getBoundingClientRectMock.mockReturnValue({
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width: 100,
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height: 100,
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top: 1000,
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} as DOMRect);
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getClientRectsMock.mockReturnValue({ length: 1 } as DOMRectList);
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});
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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.clearAllTimers();
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jest.useRealTimers();
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});
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afterAll(() => {
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jest.clearAllTimers();
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jest.useRealTimers();
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getBoundingClientRectMock.mockRestore();
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getClientRectsMock.mockRestore();
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});
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it('renders correctly', () => {
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const hash = getHashUrl();
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const { container } = render(
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<Anchor>
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<Link href={`#${hash}`} title={hash} />
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</Anchor>,
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);
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expect(container.querySelector(`a[href="#${hash}"]`)).not.toBe(null);
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});
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it('actives the target when clicking a link', async () => {
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const hash = getHashUrl();
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const { container } = render(
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<Anchor prefixCls="ant-anchor">
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<Link href={`http://www.example.com/#${hash}`} title={hash} />
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</Anchor>,
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);
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const link = container.querySelector(`a[href="http://www.example.com/#${hash}"]`)!;
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fireEvent.click(link);
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await waitFakeTimer();
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expect(link.classList).toContain('ant-anchor-link-title-active');
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});
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it('scrolls the page when clicking a link', async () => {
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const root = createDiv();
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const scrollToSpy = jest.spyOn(window, 'scrollTo');
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render(<div id="/faq?locale=en#Q1">Q1</div>, { container: root });
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const { container } = render(
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<Anchor>
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<Link href="/#/faq?locale=en#Q1" title="Q1" />
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</Anchor>,
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);
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const link = container.querySelector(`a[href="/#/faq?locale=en#Q1"]`)!;
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fireEvent.click(link);
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await waitFakeTimer();
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expect(scrollToSpy).toHaveBeenCalled();
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});
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it('handleScroll should not be triggered when scrolling caused by clicking a link', async () => {
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const hash1 = getHashUrl();
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const hash2 = getHashUrl();
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const root = createDiv();
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const onChange = jest.fn();
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render(
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<div>
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<div id={hash1}>Hello</div>
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<div id={hash2}>World</div>
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</div>,
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{ container: root },
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);
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const { container } = render(
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<Anchor onChange={onChange}>
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<Link href={`#${hash1}`} title={hash1} />
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<Link href={`#${hash2}`} title={hash2} />
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</Anchor>,
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);
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onChange.mockClear();
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const link = container.querySelector(`a[href="#${hash2}"]`)!;
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// this will trigger 1 onChange
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fireEvent.click(link);
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// smooth scroll caused by clicking needs time to finish.
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// we scroll the window before it finish, the scroll listener should not be triggered,
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fireEvent.scroll(window);
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await waitFakeTimer();
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// if the scroll listener is triggered, we will get 2 onChange, now we expect only 1.
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expect(onChange).toHaveBeenCalledTimes(1);
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});
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it('should update DOM when children are unmounted', () => {
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const hash = getHashUrl();
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const { container, rerender } = render(
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<Anchor>
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<Link href={`#${hash}`} title={hash} />
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</Anchor>,
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);
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expect(container.querySelectorAll('.ant-anchor-link-title')).toHaveLength(1);
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expect(container.querySelector('.ant-anchor-link-title')).toHaveAttribute('href', `#${hash}`);
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rerender(<Anchor />);
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expect(container.querySelector('.ant-anchor-link-title')).toBeFalsy();
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});
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it('should update DOM when link href is changed', async () => {
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const hash = getHashUrl();
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function AnchorUpdate({ href }: { href: string }) {
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return (
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<Anchor>
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<Link href={href} title={hash} />
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</Anchor>
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);
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}
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const { container, rerender } = render(<AnchorUpdate href={`#${hash}`} />);
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expect(container.querySelector(`a[href="#${hash}"]`)).toBeTruthy();
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rerender(<AnchorUpdate href={`#${hash}_1`} />);
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expect(container.querySelector(`a[href="#${hash}_1"]`)).toBeTruthy();
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});
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it('targetOffset prop', async () => {
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const hash = getHashUrl();
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const scrollToSpy = jest.spyOn(window, 'scrollTo');
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const root = createDiv();
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render(<h1 id={hash}>Hello</h1>, { container: root });
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const { container, rerender } = render(
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<Anchor>
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<Link href={`#${hash}`} title={hash} />
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</Anchor>,
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);
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const setProps = (props: Record<string, any>) =>
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rerender(
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<Anchor {...props}>
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<Link href={`#${hash}`} title={hash} />
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</Anchor>,
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);
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fireEvent.click(container.querySelector(`a[href="#${hash}"]`)!);
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await waitFakeTimer();
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expect(scrollToSpy).toHaveBeenLastCalledWith(0, 1000);
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setProps({ offsetTop: 100 });
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fireEvent.click(container.querySelector(`a[href="#${hash}"]`)!);
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await waitFakeTimer();
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expect(scrollToSpy).toHaveBeenLastCalledWith(0, 900);
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setProps({ targetOffset: 200 });
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fireEvent.click(container.querySelector(`a[href="#${hash}"]`)!);
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await waitFakeTimer();
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expect(scrollToSpy).toHaveBeenLastCalledWith(0, 800);
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});
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// https://github.com/ant-design/ant-design/issues/31941
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it('targetOffset prop when contain spaces', async () => {
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const hash = `${getHashUrl()} s p a c e s`;
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const scrollToSpy = jest.spyOn(window, 'scrollTo');
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const root = createDiv();
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render(<h1 id={hash}>Hello</h1>, { container: root });
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const { container, rerender } = render(
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<Anchor>
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<Link href={`#${hash}`} title={hash} />
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</Anchor>,
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);
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const setProps = (props: Record<string, any>) =>
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rerender(
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<Anchor {...props}>
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<Link href={`#${hash}`} title={hash} />
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</Anchor>,
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);
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fireEvent.click(container.querySelector(`a[href="#${hash}"]`)!);
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await waitFakeTimer();
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expect(scrollToSpy).toHaveBeenLastCalledWith(0, 1000);
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setProps({ offsetTop: 100 });
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fireEvent.click(container.querySelector(`a[href="#${hash}"]`)!);
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await waitFakeTimer();
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expect(scrollToSpy).toHaveBeenLastCalledWith(0, 900);
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setProps({ targetOffset: 200 });
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fireEvent.click(container.querySelector(`a[href="#${hash}"]`)!);
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await waitFakeTimer();
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expect(scrollToSpy).toHaveBeenLastCalledWith(0, 800);
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});
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it('onClick event', () => {
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const hash = getHashUrl();
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let event;
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let link;
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const handleClick = (
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e: React.MouseEvent<HTMLElement>,
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_link: { title: React.ReactNode; href: string },
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) => {
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event = e;
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link = _link;
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};
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const href = `#${hash}`;
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const title = hash;
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const { container } = render(
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<Anchor onClick={handleClick}>
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<Link href={href} title={title} />
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</Anchor>,
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);
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fireEvent.click(container.querySelector(`a[href="${href}"]`)!);
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expect(event).not.toBe(undefined);
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expect(link).toEqual({ href, title });
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});
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it('onChange event', () => {
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const hash1 = getHashUrl();
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const hash2 = getHashUrl();
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const onChange = jest.fn();
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const { container } = render(
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<Anchor onChange={onChange}>
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<Link href={`#${hash1}`} title={hash1} />
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<Link href={`#${hash2}`} title={hash2} />
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</Anchor>,
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// https://github.com/testing-library/react-testing-library/releases/tag/v13.0.0
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// @ts-ignore
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{ legacyRoot: true },
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);
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expect(onChange).toHaveBeenCalledTimes(1);
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fireEvent.click(container.querySelector(`a[href="#${hash2}"]`)!);
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expect(onChange).toHaveBeenCalledTimes(2);
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expect(onChange).toHaveBeenLastCalledWith(`#${hash2}`);
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});
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it('handles invalid hash correctly', () => {
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const { container } = render(
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<Anchor>
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<Link href="notexsited" title="title" />
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</Anchor>,
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);
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const link = container.querySelector(`a[href="notexsited"]`)!;
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fireEvent.click(link);
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expect(container.querySelector(`.ant-anchor-link-title-active`)?.textContent).toBe('title');
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});
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it('test edge case when getBoundingClientRect return zero size', async () => {
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getBoundingClientRectMock.mockReturnValue({ width: 0, height: 0, top: 1000 } as DOMRect);
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const hash = getHashUrl();
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const scrollToSpy = jest.spyOn(window, 'scrollTo');
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const root = createDiv();
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render(<h1 id={hash}>Hello</h1>, { container: root });
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const { container, rerender } = render(
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<Anchor>
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<Link href={`#${hash}`} title={hash} />
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</Anchor>,
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);
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const setProps = (props: Record<string, any>) =>
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rerender(
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<Anchor {...props}>
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<Link href={`#${hash}`} title={hash} />
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</Anchor>,
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);
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fireEvent.click(container.querySelector(`a[href="#${hash}"]`)!);
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await waitFakeTimer();
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expect(scrollToSpy).toHaveBeenLastCalledWith(0, 1000);
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setProps({ offsetTop: 100 });
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fireEvent.click(container.querySelector(`a[href="#${hash}"]`)!);
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await waitFakeTimer();
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expect(scrollToSpy).toHaveBeenLastCalledWith(0, 900);
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setProps({ targetOffset: 200 });
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fireEvent.click(container.querySelector(`a[href="#${hash}"]`)!);
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await waitFakeTimer();
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expect(scrollToSpy).toHaveBeenLastCalledWith(0, 800);
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getBoundingClientRectMock.mockReturnValue({
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width: 100,
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height: 100,
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top: 1000,
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} as DOMRect);
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});
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it('test edge case when container is not windows', async () => {
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const hash = getHashUrl();
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const scrollToSpy = jest.spyOn(window, 'scrollTo');
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const root = createDiv();
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render(<h1 id={hash}>Hello</h1>, { container: root });
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const { container, rerender } = render(
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<Anchor getContainer={() => document.body}>
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<Link href={`#${hash}`} title={hash} />
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</Anchor>,
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);
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const setProps = (props: Record<string, any>) =>
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rerender(
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<Anchor getContainer={() => document.body} {...props}>
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<Link href={`#${hash}`} title={hash} />
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</Anchor>,
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);
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fireEvent.click(container.querySelector(`a[href="#${hash}"]`)!);
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await waitFakeTimer();
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expect(scrollToSpy).toHaveBeenLastCalledWith(0, 800);
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setProps({ offsetTop: 100 });
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fireEvent.click(container.querySelector(`a[href="#${hash}"]`)!);
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await waitFakeTimer();
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expect(scrollToSpy).toHaveBeenLastCalledWith(0, 800);
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setProps({ targetOffset: 200 });
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fireEvent.click(container.querySelector(`a[href="#${hash}"]`)!);
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await waitFakeTimer();
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expect(scrollToSpy).toHaveBeenLastCalledWith(0, 800);
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});
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describe('getCurrentAnchor', () => {
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it('getCurrentAnchor prop', () => {
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const hash1 = getHashUrl();
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const hash2 = getHashUrl();
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const getCurrentAnchor = () => `#${hash2}`;
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const { container } = render(
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<Anchor getCurrentAnchor={getCurrentAnchor}>
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<Link href={`#${hash1}`} title={hash1} />
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<Link href={`#${hash2}`} title={hash2} />
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</Anchor>,
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);
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expect(container.querySelector(`.ant-anchor-link-title-active`)?.textContent).toBe(hash2);
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});
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// https://github.com/ant-design/ant-design/issues/30584
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it('should trigger onChange when have getCurrentAnchor', () => {
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const hash1 = getHashUrl();
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const hash2 = getHashUrl();
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const onChange = jest.fn();
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const { container } = render(
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<Anchor onChange={onChange} getCurrentAnchor={() => hash1}>
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<Link href={`#${hash1}`} title={hash1} />
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<Link href={`#${hash2}`} title={hash2} />
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</Anchor>,
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// https://github.com/testing-library/react-testing-library/releases/tag/v13.0.0
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// @ts-ignore
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{ legacyRoot: true },
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);
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expect(onChange).toHaveBeenCalledTimes(1);
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fireEvent.click(container.querySelector(`a[href="#${hash2}"]`)!);
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expect(onChange).toHaveBeenCalledTimes(2);
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expect(onChange).toHaveBeenLastCalledWith(`#${hash2}`);
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});
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// https://github.com/ant-design/ant-design/issues/34784
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it('getCurrentAnchor have default link as argument', () => {
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const hash1 = getHashUrl();
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const hash2 = getHashUrl();
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const getCurrentAnchor = jest.fn();
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const { container } = render(
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<Anchor getCurrentAnchor={getCurrentAnchor}>
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<Link href={`#${hash1}`} title={hash1} />
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<Link href={`#${hash2}`} title={hash2} />
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</Anchor>,
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);
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fireEvent.click(container.querySelector(`a[href="#${hash1}"]`)!);
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expect(getCurrentAnchor).toHaveBeenCalledWith(`#${hash1}`);
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fireEvent.click(container.querySelector(`a[href="#${hash2}"]`)!);
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expect(getCurrentAnchor).toHaveBeenCalledWith(`#${hash2}`);
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});
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// https://github.com/ant-design/ant-design/issues/37627
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it('should update active link when getCurrentAnchor changes', async () => {
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const hash1 = getHashUrl();
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const hash2 = getHashUrl();
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const Demo: React.FC<{ current: string }> = ({ current }) => (
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<Anchor getCurrentAnchor={() => `#${current}`}>
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<Link href={`#${hash1}`} title={hash1} />
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<Link href={`#${hash2}`} title={hash2} />
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</Anchor>
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);
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const { container, rerender } = render(<Demo current={hash1} />);
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expect(container.querySelector(`.ant-anchor-link-title-active`)?.textContent).toBe(hash1);
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rerender(<Demo current={hash2} />);
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expect(container.querySelector(`.ant-anchor-link-title-active`)?.textContent).toBe(hash2);
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});
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it('should render correctly when href is null', () => {
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expect(() => {
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render(
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<Anchor>
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<Link href={null as unknown as string} title="test" />
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</Anchor>,
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);
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fireEvent.scroll(window || document);
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}).not.toThrow();
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});
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});
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});
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