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fadba4cb42
* chore: rewrite test case demo CC => FC * chore: rewrite test case demo CC => FC * fix
275 lines
8.0 KiB
TypeScript
275 lines
8.0 KiB
TypeScript
import React, { useEffect, useRef } from 'react';
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import type { CSSProperties } from 'react';
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import type { InternalAffixClass } from '..';
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import Affix from '..';
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import accessibilityTest from '../../../tests/shared/accessibilityTest';
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import rtlTest from '../../../tests/shared/rtlTest';
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import { render, triggerResize, waitFakeTimer } from '../../../tests/utils';
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import Button from '../../button';
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import { addObserveTarget, getObserverEntities } from '../utils';
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const events: Partial<Record<keyof HTMLElementEventMap, (ev: Partial<Event>) => void>> = {};
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interface AffixProps {
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offsetTop?: number;
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offsetBottom?: number;
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style?: CSSProperties;
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onChange?: () => void;
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onTestUpdatePosition?: () => void;
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getInstance?: (inst: InternalAffixClass) => void;
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}
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const AffixMounter: React.FC<AffixProps> = ({ getInstance, ...restProps }) => {
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const container = useRef<HTMLDivElement>(null);
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useEffect(() => {
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if (container.current) {
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container.current.addEventListener = jest
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.fn()
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.mockImplementation((event: keyof HTMLElementEventMap, cb: (ev: Event) => void) => {
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events[event] = cb;
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});
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}
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}, []);
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return (
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<div ref={container} className="container">
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<Affix className="fixed" ref={getInstance} target={() => container.current} {...restProps}>
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<Button type="primary">Fixed at the top of container</Button>
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</Affix>
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</div>
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);
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};
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describe('Affix Render', () => {
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rtlTest(Affix);
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accessibilityTest(Affix);
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const domMock = jest.spyOn(HTMLElement.prototype, 'getBoundingClientRect');
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const classRect: Record<string, DOMRect> = { container: { top: 0, bottom: 100 } as DOMRect };
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beforeEach(() => {
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jest.useFakeTimers();
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const entities = getObserverEntities();
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entities.splice(0, entities.length);
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});
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beforeAll(() => {
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domMock.mockImplementation(function fn(this: HTMLElement) {
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return classRect[this.className] || { top: 0, bottom: 0 };
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});
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});
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afterEach(() => {
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jest.useRealTimers();
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jest.clearAllTimers();
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});
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afterAll(() => {
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domMock.mockRestore();
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});
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const movePlaceholder = async (top: number) => {
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classRect.fixed = { top, bottom: top } as DOMRect;
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if (events.scroll == null) {
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throw new Error('scroll should be set');
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}
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events.scroll({ type: 'scroll' });
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await waitFakeTimer();
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};
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it('Anchor render perfectly', async () => {
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const { container } = render(<AffixMounter />);
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await waitFakeTimer();
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await movePlaceholder(0);
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expect(container.querySelector('.ant-affix')).toBeFalsy();
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await movePlaceholder(-100);
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expect(container.querySelector('.ant-affix')).toBeTruthy();
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await movePlaceholder(0);
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expect(container.querySelector('.ant-affix')).toBeFalsy();
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});
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it('Anchor correct render when target is null', async () => {
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render(<Affix target={() => null}>test</Affix>);
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await waitFakeTimer();
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});
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it('support offsetBottom', async () => {
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const { container } = render(<AffixMounter offsetBottom={0} />);
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await waitFakeTimer();
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await movePlaceholder(300);
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expect(container.querySelector('.ant-affix')).toBeTruthy();
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await movePlaceholder(0);
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expect(container.querySelector('.ant-affix')).toBeFalsy();
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await movePlaceholder(300);
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expect(container.querySelector('.ant-affix')).toBeTruthy();
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});
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it('updatePosition when offsetTop changed', async () => {
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const onChange = jest.fn();
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const { container, rerender } = render(<AffixMounter offsetTop={0} onChange={onChange} />);
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await waitFakeTimer();
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await movePlaceholder(-100);
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expect(onChange).toHaveBeenLastCalledWith(true);
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expect(container.querySelector('.ant-affix')).toHaveStyle({ top: 0 });
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rerender(<AffixMounter offsetTop={10} onChange={onChange} />);
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await waitFakeTimer();
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expect(container.querySelector('.ant-affix')).toHaveStyle({ top: `10px` });
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});
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describe('updatePosition when target changed', () => {
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it('function change', async () => {
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document.body.innerHTML = '<div id="mounter" />';
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const container = document.getElementById('mounter');
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const getTarget = () => container;
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let affixInstance: InternalAffixClass;
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const { rerender } = render(
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<Affix
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ref={(node) => {
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affixInstance = node as InternalAffixClass;
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}}
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target={getTarget}
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>
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{null}
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</Affix>,
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);
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rerender(
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<Affix
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ref={(node) => {
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affixInstance = node as InternalAffixClass;
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}}
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target={() => null}
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>
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{null}
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</Affix>,
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);
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expect(affixInstance!.state.status).toBe(0);
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expect(affixInstance!.state.affixStyle).toBe(undefined);
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expect(affixInstance!.state.placeholderStyle).toBe(undefined);
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});
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it('instance change', async () => {
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const container = document.createElement('div');
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document.body.appendChild(container);
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let target: HTMLDivElement | null = container;
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const getTarget = () => target;
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const { rerender } = render(<Affix target={getTarget}>{null}</Affix>);
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await waitFakeTimer();
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expect(getObserverEntities()).toHaveLength(1);
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expect(getObserverEntities()[0].target).toBe(container);
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target = null;
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rerender(<Affix>{null}</Affix>);
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expect(getObserverEntities()).toHaveLength(1);
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expect(getObserverEntities()[0].target).toBe(window);
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});
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it('check position change before measure', async () => {
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const { container } = render(
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<>
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<Affix offsetTop={10}>
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<Button>top</Button>
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</Affix>
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<Affix offsetBottom={10}>
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<Button>bottom</Button>
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</Affix>
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</>,
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);
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await waitFakeTimer();
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await movePlaceholder(1000);
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expect(container.querySelector('.ant-affix')).toBeTruthy();
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});
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it('do not measure when hidden', async () => {
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let affixInstance: InternalAffixClass | null = null;
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const { rerender } = render(
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<AffixMounter
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getInstance={(inst) => {
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affixInstance = inst;
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}}
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offsetBottom={0}
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/>,
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);
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await waitFakeTimer();
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const firstAffixStyle = affixInstance!.state.affixStyle;
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rerender(
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<AffixMounter
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getInstance={(inst) => {
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affixInstance = inst;
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}}
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offsetBottom={0}
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style={{ display: 'none' }}
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/>,
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);
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await waitFakeTimer();
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const secondAffixStyle = affixInstance!.state.affixStyle;
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expect(firstAffixStyle).toEqual(secondAffixStyle);
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});
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});
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describe('updatePosition when size changed', () => {
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it('add class automatically', async () => {
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document.body.innerHTML = '<div id="mounter" />';
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let affixInstance: InternalAffixClass | null = null;
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render(
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<AffixMounter
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getInstance={(inst) => {
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affixInstance = inst;
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}}
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offsetBottom={0}
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/>,
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{
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container: document.getElementById('mounter')!,
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},
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);
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await waitFakeTimer();
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await movePlaceholder(300);
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expect(affixInstance!.state.affixStyle).toBeTruthy();
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});
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// Trigger inner and outer element for the two <ResizeObserver>s.
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[
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'.ant-btn', // inner
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'.fixed', // outer
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].forEach((selector) => {
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it(`trigger listener when size change: ${selector}`, async () => {
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const updateCalled = jest.fn();
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const { container } = render(
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<AffixMounter offsetBottom={0} onTestUpdatePosition={updateCalled} />,
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{
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container: document.getElementById('mounter')!,
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},
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);
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updateCalled.mockReset();
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triggerResize(container.querySelector(selector)!);
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await waitFakeTimer();
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expect(updateCalled).toHaveBeenCalled();
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});
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});
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it('addObserveTarget should not Throw Error when target is null', () => {
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expect(() => {
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addObserveTarget(null);
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}).not.toThrow();
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});
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});
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});
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