Match-id-991d5f810c56de98d317600d544e7e30fd874144
This commit is contained in:
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4d2cd8276a
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@ -58,15 +58,15 @@ module.exports = {
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// globalTeardown: undefined,
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// A set of global variables that need to be available in all test environments
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// globals: {
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// 'isDev': process.env.NODE_ENV === 'development',
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// 'MessageChannel': function MessageChannel() {
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// this.port1 = {};
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// this.port2 = {
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// postMessage() {}
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// };
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// }
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// },
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globals: {
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//'isDev': process.env.NODE_ENV === 'development',
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'MessageChannel': function MessageChannel() {
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this.port1 = {};
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this.port2 = {
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postMessage() {}
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};
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}
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},
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// The maximum amount of workers used to run your tests. Can be specified as % or a number. E.g. maxWorkers: 10% will use 10% of your CPU amount + 1 as the maximum worker number. maxWorkers: 2 will use a maximum of 2 workers.
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// maxWorkers: "50%",
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@ -0,0 +1,36 @@
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/* eslint-disable no-undef */
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import * as React from '../../../../libs/horizon/src/external/Horizon';
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import * as HorizonDOM from '../../../../libs/horizon/src/dom/DOMExternal';
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describe('useCallback Hook Test', () => {
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const { useState, useCallback } = React;
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it('测试useCallback', () => {
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const App = (props) => {
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const [num, setNum] = useState(0);
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const NumUseCallback = useCallback(() => {
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setNum(num + props.text)
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}, [props]);
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return (
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<>
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<p>{num}</p>
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<button onClick={NumUseCallback} />
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</>
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)
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}
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HorizonDOM.render(<App text={1} />, container);
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expect(container.querySelector('p').innerHTML).toBe('0');
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// 点击按钮触发num加1
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container.querySelector('button').click();
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expect(container.querySelector('p').innerHTML).toBe('1');
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// 再次点击,依赖项没变,num不增加
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container.querySelector('button').click();
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expect(container.querySelector('p').innerHTML).toBe('1');
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HorizonDOM.render(<App text={2} />, container);
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expect(container.querySelector('p').innerHTML).toBe('1');
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// 依赖项有变化,点击按钮num增加
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container.querySelector('button').click();
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expect(container.querySelector('p').innerHTML).toBe('3');
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});
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});
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@ -0,0 +1,52 @@
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/* eslint-disable no-undef */
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import * as React from '../../../../libs/horizon/src/external/Horizon';
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import * as HorizonDOM from '../../../../libs/horizon/src/dom/DOMExternal';
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import { act } from '../../jest/customMatcher';
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describe('useContext Hook Test', () => {
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const { useState, useContext } = React;
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const { unmountComponentAtNode } = HorizonDOM;
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it('简单使用useContext', () => {
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const LanguageTypes = {
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JAVA: 'Java',
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JAVASCRIPT: 'JavaScript',
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};
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const defaultValue = { type: LanguageTypes.JAVASCRIPT };
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const SystemLanguageContext = React.createContext(defaultValue);
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const SystemLanguageProvider = ({ type, children }) => {
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return (
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<SystemLanguageContext.Provider value={{ type }}>
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{children}
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</SystemLanguageContext.Provider>
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);
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};
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const TestFunction = () => {
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const context = useContext(SystemLanguageContext);
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return <p id="p">{context.type}</p>;
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}
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let setValue;
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const App = () => {
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const [value, _setValue] = useState(LanguageTypes.JAVA);
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setValue = _setValue;
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return (
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<div className="App">
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<SystemLanguageProvider type={value}>
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<TestFunction />
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</SystemLanguageProvider>
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</div>
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)
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}
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HorizonDOM.render(<TestFunction />, container);
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// 测试当Provider未提供时,获取到的默认值'JavaScript'。
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expect(container.querySelector('p').innerHTML).toBe('JavaScript');
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unmountComponentAtNode(container);
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HorizonDOM.render(<App />, container);
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// 测试当Provider提供时,可以获取到Provider的值'Java'。
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expect(container.querySelector('p').innerHTML).toBe('Java');
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// 测试当Provider改变时,可以获取到最新Provider的值。
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act(() => setValue(LanguageTypes.JAVASCRIPT));
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expect(container.querySelector('p').innerHTML).toBe('JavaScript');
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});
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});
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@ -1,32 +1,35 @@
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import * as React from '../../../libs/horizon/src/external/Horizon';
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import * as HorizonDOM from '../../../libs/horizon/src/dom/DOMExternal';
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import * as LogUtils from '../jest/logUtils';
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import { act } from '../jest/customMatcher';
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/* eslint-disable no-undef */
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import * as React from '../../../../libs/horizon/src/external/Horizon';
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import * as HorizonDOM from '../../../../libs/horizon/src/dom/DOMExternal';
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import * as LogUtils from '../../jest/logUtils';
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import { act } from '../../jest/customMatcher';
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import Text from '../../jest/Text';
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describe('useEffect Hook Test', () => {
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const { useEffect, useLayoutEffect, useState, memo, forwardRef } = React;
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const { unmountComponentAtNode } = HorizonDOM;
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let container = null;
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beforeEach(() => {
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LogUtils.clear();
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// 创建一个 DOM 元素作为渲染目标
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container = document.createElement('div');
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document.body.appendChild(container);
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});
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afterEach(() => {
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// 退出时进行清理
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unmountComponentAtNode(container);
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container.remove();
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container = null;
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LogUtils.clear();
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it('简单使用useEffect', () => {
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const App = () => {
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const [num, setNum] = useState(0);
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useEffect(() => {
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document.getElementById('p').style.display = num === 0 ? 'none' : 'inline';
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});
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return (
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<>
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<p style={{ display: 'block' }} id="p">{num}</p>
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<button onClick={() => setNum(num + 1)} />
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</>
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)
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}
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HorizonDOM.render(<App />, container);
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expect(document.getElementById('p').style.display).toBe('block');
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// 点击按钮触发num加1
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container.querySelector('button').click();
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expect(document.getElementById('p').style.display).toBe('none');
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container.querySelector('button').click();
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expect(container.querySelector('p').style.display).toBe('inline');
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});
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const Text = (props) => {
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LogUtils.log(props.text);
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return <p>{props.text}</p>;
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}
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it('act方法', () => {
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const App = () => {
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return <Text text={'op'} />;
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@ -406,8 +409,8 @@ describe('useEffect Hook Test', () => {
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return <Text text={'Num: ' + num} />;
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}
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HorizonDOM.render(<App />, container, () => LogUtils.log('Sync effect'));
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expect(LogUtils.getAndClear()).toEqual(['Num: 0', 'Sync effect']);
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HorizonDOM.render(<App />, container, () => LogUtils.log('App callback effect'));
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expect(LogUtils.getAndClear()).toEqual(['Num: 0', 'App callback effect']);
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expect(container.textContent).toEqual('Num: 0');
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act(() => {
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setNum(2);
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@ -542,9 +545,9 @@ describe('useEffect Hook Test', () => {
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}
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act(() => {
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HorizonDOM.render(<App num={0} />, container, () =>
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LogUtils.log('Sync effect'),
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LogUtils.log('App callback effect'),
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);
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expect(LogUtils.getAndClear()).toEqual(['Number: 0', 'Sync effect']);
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expect(LogUtils.getAndClear()).toEqual(['Number: 0', 'App callback effect']);
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expect(container.textContent).toEqual('Number: 0');
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});
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// 处理错误,不会向下执行LogUtils.log(`Mount with [${props.num}]`);
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@ -552,11 +555,11 @@ describe('useEffect Hook Test', () => {
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act(() => {
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HorizonDOM.render(null, container, () =>
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LogUtils.log('Sync effect'),
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LogUtils.log('App callback effect'),
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);
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});
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expect(LogUtils.getAndClear()).toEqual([
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'Sync effect',
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'App callback effect',
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// 不会处理卸载部分 LogUtils.log(`Unmount with [${props.num}]`);
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]);
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expect(container.textContent).toEqual('');
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@ -652,7 +655,7 @@ describe('useEffect Hook Test', () => {
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});
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it('当组件的更新方法在卸载函数中,组件的子组件更新不会告警', () => {
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const App = () => {
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const App = () => {
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LogUtils.log('App');
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const appRef = React.createRef(null);
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useEffect(() => {
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@ -679,12 +682,12 @@ const App = () => {
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act(() => {
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HorizonDOM.render(<App />, container, () => LogUtils.log('num effect'));
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expect(LogUtils.getAndClear()).toEqual([
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'App',
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'App',
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'AppChild',
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'num effect'
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]);
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});
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expect(LogUtils.getAndClear()).toEqual(['Child effect','App effect']);
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expect(LogUtils.getAndClear()).toEqual(['Child effect', 'App effect']);
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act(() => {
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HorizonDOM.render(null, container);
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@ -715,7 +718,7 @@ const App = () => {
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act(() => {
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HorizonDOM.render(<App />, container, () => LogUtils.log('num effect'));
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expect(LogUtils.getAndClear()).toEqual([
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'App',
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'App',
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'AppChild',
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'num effect'
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]);
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@ -0,0 +1,89 @@
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/* eslint-disable no-undef */
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import * as React from '../../../../libs/horizon/src/external/Horizon';
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import * as HorizonDOM from '../../../../libs/horizon/src/dom/DOMExternal';
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import * as LogUtils from '../../jest/logUtils';
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import Text from '../../jest/Text';
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describe('useImperativeHandle Hook Test', () => {
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const {
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useState,
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useImperativeHandle,
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forwardRef
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} = React;
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it('测试useImperativeHandle', () => {
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let App = (props, ref) => {
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const [num, setNum] = useState(0);
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useImperativeHandle(ref, () => ({ num, setNum }), []);
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return <p>{num}</p>;
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}
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let App1 = (props, ref) => {
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const [num1, setNum1] = useState(0);
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useImperativeHandle(ref, () => ({ num1, setNum1 }), [num1]);
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return <p>{num1}</p>;
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}
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App = forwardRef(App);
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App1 = forwardRef(App1);
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const counter = React.createRef(null);
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const counter1 = React.createRef(null);
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HorizonDOM.render(<App ref={counter} />, container);
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expect(counter.current.num).toBe(0);
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act(() => {
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counter.current.setNum(1);
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});
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// useImperativeHandle的dep为[],所以不会变
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expect(counter.current.num).toBe(0);
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// 清空container
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unmountComponentAtNode(container);
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HorizonDOM.render(<App1 ref={counter1} />, container);
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expect(counter1.current.num1).toBe(0);
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act(() => {
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counter1.current.setNum1(1);
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});
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// useImperativeHandle的dep为[num1],所以会变
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expect(counter1.current.num1).toBe(1);
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});
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it('useImperativeHandle没有配置dep时自动更新', () => {
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let App = (props, ref) => {
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const [num, setNum] = useState(0);
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useImperativeHandle(ref, () => ({ num, setNum }));
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return <Text text={num} />;
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}
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let App1 = (props, ref) => {
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const [num1, setNum1] = useState(0);
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useImperativeHandle(ref, () => ({ num1, setNum1 }), []);
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return <Text text={num1} />;
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}
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App = forwardRef(App);
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App1 = forwardRef(App1);
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const counter = React.createRef(null);
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const counter1 = React.createRef(null);
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HorizonDOM.render(<App ref={counter} />, container);
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expect(LogUtils.getAndClear()).toEqual([0]);
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expect(counter.current.num).toBe(0);
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act(() => {
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counter.current.setNum(1);
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});
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expect(LogUtils.getAndClear()).toEqual([1]);
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// useImperativeHandle没有配置的dep,所以会自动更新
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expect(counter.current.num).toBe(1);
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// 清空container
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unmountComponentAtNode(container);
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HorizonDOM.render(<App1 ref={counter1} />, container);
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expect(LogUtils.getAndClear()).toEqual([0]);
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expect(counter1.current.num1).toBe(0);
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act(() => {
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counter1.current.setNum1(1);
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});
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expect(LogUtils.getAndClear()).toEqual([1]);
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// useImperativeHandle的dep为[],所以不会变
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expect(counter1.current.num1).toBe(0);
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});
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});
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@ -0,0 +1,116 @@
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/* eslint-disable no-undef */
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import * as React from '../../../../libs/horizon/src/external/Horizon';
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import * as HorizonDOM from '../../../../libs/horizon/src/dom/DOMExternal';
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import * as LogUtils from '../../jest/logUtils';
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import { act } from '../../jest/customMatcher';
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import Text from '../../jest/Text';
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describe('useLayoutEffect Hook Test', () => {
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const {
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useState,
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useEffect,
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useLayoutEffect
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} = React;
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it('简单使用useLayoutEffect', () => {
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const App = () => {
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const [num, setNum] = useState(0);
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useLayoutEffect(() => {
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document.getElementById('p').style.display = num === 0 ? 'none' : 'inline';
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});
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return (
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<>
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<p style={{ display: 'block' }} id="p">{num}</p>
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<button onClick={() => setNum(num + 1)} />
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</>
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)
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}
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HorizonDOM.render(<App />, container);
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expect(document.getElementById('p').style.display).toBe('none');
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container.querySelector('button').click();
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expect(container.querySelector('p').style.display).toBe('inline');
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});
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it('useLayoutEffect的触发时序', () => {
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const App = (props) => {
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useLayoutEffect(() => {
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LogUtils.log('LayoutEffect');
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});
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return <Text text={props.num} />;
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}
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HorizonDOM.render(<App num={1} />, container, () => LogUtils.log('Sync effect'));
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expect(LogUtils.getAndClear()).toEqual([
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1,
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// 同步在渲染之后
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'LayoutEffect',
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'Sync effect'
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]);
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expect(container.querySelector('p').innerHTML).toBe('1');
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// 更新
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HorizonDOM.render(<App num={2} />, container, () => LogUtils.log('Sync effect'));
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expect(LogUtils.getAndClear()).toEqual([
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2,
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'LayoutEffect',
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'Sync effect'
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]);
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expect(container.querySelector('p').innerHTML).toBe('2');
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});
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it('创建,销毁useLayoutEffect', () => {
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const App = (props) => {
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useEffect(() => {
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LogUtils.log(`num effect [${props.num}]`);
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return () => {
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LogUtils.log('num effect destroy');
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};
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}, [props.num]);
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useLayoutEffect(() => {
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LogUtils.log(`num Layouteffect [${props.num}]`);
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return () => {
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LogUtils.log(`num [${props.num}] Layouteffect destroy`);
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};
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}, [props.num]);
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return <Text text={'num: ' + props.num} />;
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}
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act(() => {
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HorizonDOM.render(<App num={0} />, container, () => LogUtils.log('callback effect'));
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expect(LogUtils.getAndClear()).toEqual([
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'num: 0',
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'num Layouteffect [0]',
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'callback effect'
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]);
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expect(container.textContent).toBe('num: 0');
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})
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// 更新
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act(() => {
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HorizonDOM.render(<App num={1} />, container, () => LogUtils.log('callback effect'));
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})
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expect(LogUtils.getAndClear()).toEqual([
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// 异步effect
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'num effect [0]',
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'num: 1',
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// 旧Layouteffect销毁
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'num [0] Layouteffect destroy',
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// 新Layouteffect建立
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'num Layouteffect [1]',
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'callback effect',
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// 异步旧的effect销毁
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'num effect destroy',
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// 异步新的effect建立
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'num effect [1]'
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]);
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act(() => {
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HorizonDOM.render(null, container, () => LogUtils.log('callback effect'));
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})
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expect(LogUtils.getAndClear()).toEqual([
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// 同步Layouteffect销毁
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'num [1] Layouteffect destroy',
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'callback effect',
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// 最后执行异步effect销毁
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'num effect destroy',
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]);
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});
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});
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@ -0,0 +1,107 @@
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/* eslint-disable no-undef */
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import * as React from '../../../../libs/horizon/src/external/Horizon';
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import * as HorizonDOM from '../../../../libs/horizon/src/dom/DOMExternal';
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import * as LogUtils from '../../jest/logUtils';
|
||||
import Text from '../../jest/Text';
|
||||
|
||||
describe('useMemo Hook Test', () => {
|
||||
const { useMemo, useState } = React;
|
||||
|
||||
it('测试useMemo', () => {
|
||||
let setMemo;
|
||||
const App = () => {
|
||||
const [num, setNum] = useState(0);
|
||||
const [memoDependent, _setMemo] = useState('App');
|
||||
setMemo = _setMemo;
|
||||
const text = useMemo(() => {
|
||||
setNum(num + 1);
|
||||
return memoDependent;
|
||||
}, [memoDependent])
|
||||
return (
|
||||
<>
|
||||
<p>{text}</p>
|
||||
<p id="p">{num}</p>
|
||||
</>
|
||||
);
|
||||
}
|
||||
HorizonDOM.render(<App words="App" />, container);
|
||||
expect(container.querySelector('p').innerHTML).toBe('App');
|
||||
expect(container.querySelector('#p').innerHTML).toBe('1');
|
||||
// 修改useMemo的依赖项,num会加一,text会改变。
|
||||
setMemo('Apps')
|
||||
expect(container.querySelector('p').innerHTML).toBe('Apps');
|
||||
expect(container.querySelector('#p').innerHTML).toBe('2');
|
||||
// useMemo的依赖项不变,num不会加一,text不会改变。
|
||||
setMemo('Apps')
|
||||
expect(container.querySelector('p').innerHTML).toBe('Apps');
|
||||
expect(container.querySelector('#p').innerHTML).toBe('2');
|
||||
// 修改useMemo的依赖项,num会加一,text会改变。
|
||||
setMemo('App')
|
||||
expect(container.querySelector('p').innerHTML).toBe('App');
|
||||
expect(container.querySelector('#p').innerHTML).toBe('3');
|
||||
});
|
||||
|
||||
it('触发useMemo', () => {
|
||||
const App = (props) => {
|
||||
const num = useMemo(() => {
|
||||
LogUtils.log(props._num);
|
||||
return props._num + 1;
|
||||
}, [props._num]);
|
||||
return <Text text={num} />;
|
||||
}
|
||||
HorizonDOM.render(<App _num={0} />, container);
|
||||
expect(LogUtils.getAndClear()).toEqual([
|
||||
0,
|
||||
1
|
||||
]);
|
||||
expect(container.textContent).toBe('1');
|
||||
|
||||
HorizonDOM.render(<App _num={1} />, container);
|
||||
expect(LogUtils.getAndClear()).toEqual([
|
||||
1,
|
||||
2
|
||||
]);
|
||||
expect(container.textContent).toBe('2');
|
||||
|
||||
HorizonDOM.render(<App _num={1} />, container);
|
||||
// 不会触发useMemo
|
||||
expect(LogUtils.getAndClear()).toEqual([2]);
|
||||
expect(container.textContent).toBe('2');
|
||||
|
||||
HorizonDOM.render(<App _num={2} />, container);
|
||||
expect(LogUtils.getAndClear()).toEqual([
|
||||
2,
|
||||
3
|
||||
]);
|
||||
expect(container.textContent).toBe('3');
|
||||
});
|
||||
|
||||
it('输入不变,重新渲染也会触发useMemo', () => {
|
||||
const App = (props) => {
|
||||
const num = useMemo(props._num);
|
||||
return <Text text={num} />;
|
||||
}
|
||||
|
||||
const num1 = () => {
|
||||
LogUtils.log('num 1');
|
||||
return 1;
|
||||
}
|
||||
|
||||
const num2 = () => {
|
||||
LogUtils.log('num 2');
|
||||
return 2;
|
||||
}
|
||||
|
||||
HorizonDOM.render(<App _num={num1} />, container);
|
||||
expect(LogUtils.getAndClear()).toEqual(['num 1', 1]);
|
||||
|
||||
HorizonDOM.render(<App _num={num1} />, container);
|
||||
expect(LogUtils.getAndClear()).toEqual(['num 1', 1]);
|
||||
|
||||
HorizonDOM.render(<App _num={num1} />, container);
|
||||
expect(LogUtils.getAndClear()).toEqual(['num 1', 1]);
|
||||
|
||||
HorizonDOM.render(<App _num={num2} />, container);
|
||||
expect(LogUtils.getAndClear()).toEqual(['num 2', 2]);
|
||||
});
|
||||
});
|
|
@ -0,0 +1,61 @@
|
|||
/* eslint-disable no-undef */
|
||||
import * as React from '../../../../libs/horizon/src/external/Horizon';
|
||||
import * as HorizonDOM from '../../../../libs/horizon/src/dom/DOMExternal';
|
||||
|
||||
describe('useReducer Hook Test', () => {
|
||||
const { useReducer } = React;
|
||||
|
||||
it('简单使用useReducer', () => {
|
||||
const intlCar = { logo: '', price: 0 };
|
||||
let dispatch;
|
||||
const App = () => {
|
||||
const carReducer = (state, action) => {
|
||||
switch (action.logo) {
|
||||
case 'ford':
|
||||
return {
|
||||
...intlCar,
|
||||
logo: 'ford',
|
||||
price: 76
|
||||
};
|
||||
case 'bmw':
|
||||
return {
|
||||
...intlCar,
|
||||
logo: 'bmw',
|
||||
price: 100
|
||||
};
|
||||
case 'benz':
|
||||
return {
|
||||
...intlCar,
|
||||
logo: 'benz',
|
||||
price: 80
|
||||
};
|
||||
default:
|
||||
return {
|
||||
...intlCar,
|
||||
logo: 'audi',
|
||||
price: 88
|
||||
};
|
||||
}
|
||||
}
|
||||
const [car, carDispatch] = useReducer(carReducer, intlCar);
|
||||
dispatch = carDispatch;
|
||||
return (
|
||||
<div>
|
||||
<p>{car.logo}</p>
|
||||
<p id={'senP'}>{car.price}</p>
|
||||
</div>
|
||||
)
|
||||
}
|
||||
HorizonDOM.render(<App />, container);
|
||||
expect(container.querySelector('p').innerHTML).toBe('');
|
||||
expect(container.querySelector('#senP').innerHTML).toBe('0');
|
||||
// 触发bmw
|
||||
dispatch({ logo: 'bmw' });
|
||||
expect(container.querySelector('p').innerHTML).toBe('bmw');
|
||||
expect(container.querySelector('#senP').innerHTML).toBe('100');
|
||||
// 触发carReducer里的switch的default项
|
||||
dispatch({ logo: 'wrong logo' });
|
||||
expect(container.querySelector('p').innerHTML).toBe('audi');
|
||||
expect(container.querySelector('#senP').innerHTML).toBe('88');
|
||||
});
|
||||
});
|
|
@ -0,0 +1,58 @@
|
|||
/* eslint-disable no-undef */
|
||||
import * as React from '../../../../libs/horizon/src/external/Horizon';
|
||||
import * as HorizonDOM from '../../../../libs/horizon/src/dom/DOMExternal';
|
||||
import * as LogUtils from '../../jest/logUtils';
|
||||
import Text from '../../jest/Text';
|
||||
|
||||
describe('useRef Hook Test', () => {
|
||||
const { useState, useRef } = React;
|
||||
|
||||
it('测试useRef', () => {
|
||||
const App = () => {
|
||||
const [num, setNum] = useState(1);
|
||||
const ref = useRef();
|
||||
if (!ref.current) {
|
||||
ref.current = num;
|
||||
}
|
||||
return (
|
||||
<>
|
||||
<p>{num}</p>
|
||||
<p id="sp">{ref.current}</p>
|
||||
<button onClick={() => setNum(num + 1)} />
|
||||
</>
|
||||
)
|
||||
}
|
||||
HorizonDOM.render(<App />, container);
|
||||
expect(container.querySelector('p').innerHTML).toBe('1');
|
||||
expect(container.querySelector('#sp').innerHTML).toBe('1');
|
||||
// 点击按钮触发num加1,ref不变
|
||||
container.querySelector('button').click();
|
||||
expect(container.querySelector('p').innerHTML).toBe('2');
|
||||
expect(container.querySelector('#sp').innerHTML).toBe('1');
|
||||
});
|
||||
|
||||
it('更新current值时不会re-render', () => {
|
||||
const App = () => {
|
||||
const ref = useRef(1);
|
||||
return (
|
||||
<>
|
||||
<button onClick={() => {
|
||||
ref.current += 1;
|
||||
}}>
|
||||
button
|
||||
</button>
|
||||
<Text text={ref.current} />;
|
||||
</>
|
||||
)
|
||||
|
||||
}
|
||||
HorizonDOM.render(<App />, container);
|
||||
expect(LogUtils.getAndClear()).toEqual([1]);
|
||||
expect(container.querySelector('p').innerHTML).toBe('1');
|
||||
// 点击按钮触发ref.current加1
|
||||
container.querySelector('button').click();
|
||||
// ref.current改变不会触发重新渲染
|
||||
expect(LogUtils.getAndClear()).toEqual([]);
|
||||
expect(container.querySelector('p').innerHTML).toBe('1');
|
||||
});
|
||||
});
|
|
@ -1,31 +1,35 @@
|
|||
import * as React from '../../../libs/horizon/src/external/Horizon';
|
||||
import * as HorizonDOM from '../../../libs/horizon/src/dom/DOMExternal';
|
||||
import * as LogUtils from '../jest/logUtils';
|
||||
import { act } from '../jest/customMatcher';
|
||||
/* eslint-disable no-undef */
|
||||
import * as React from '../../../../libs/horizon/src/external/Horizon';
|
||||
import * as HorizonDOM from '../../../../libs/horizon/src/dom/DOMExternal';
|
||||
import * as LogUtils from '../../jest/logUtils';
|
||||
import { act } from '../../jest/customMatcher';
|
||||
import Text from '../../jest/Text';
|
||||
|
||||
describe('useState Hook Test', () => {
|
||||
const { useState, forwardRef, useImperativeHandle, memo } = React;
|
||||
const { unmountComponentAtNode } = HorizonDOM;
|
||||
let container = null;
|
||||
beforeEach(() => {
|
||||
// 创建一个 DOM 元素作为渲染目标
|
||||
container = document.createElement('div');
|
||||
document.body.appendChild(container);
|
||||
});
|
||||
const {
|
||||
useState,
|
||||
forwardRef,
|
||||
useImperativeHandle,
|
||||
memo
|
||||
} = React;
|
||||
|
||||
afterEach(() => {
|
||||
// 退出时进行清理
|
||||
unmountComponentAtNode(container);
|
||||
container.remove();
|
||||
container = null;
|
||||
LogUtils.clear();
|
||||
it('简单使用useState', () => {
|
||||
const App = () => {
|
||||
const [num, setNum] = useState(0);
|
||||
return (
|
||||
<>
|
||||
<p>{num}</p>
|
||||
<button onClick={() => setNum(num + 1)} />
|
||||
</>
|
||||
)
|
||||
}
|
||||
HorizonDOM.render(<App />, container);
|
||||
expect(container.querySelector('p').innerHTML).toBe('0');
|
||||
// 点击按钮触发num加1
|
||||
container.querySelector('button').click();
|
||||
expect(container.querySelector('p').innerHTML).toBe('1');
|
||||
});
|
||||
|
||||
const Text = (props) => {
|
||||
LogUtils.log(props.text);
|
||||
return <p>{props.text}</p>;
|
||||
}
|
||||
|
||||
it('多个useState', () => {
|
||||
const App = () => {
|
||||
const [num, setNum] = useState(0);
|
||||
|
@ -129,41 +133,38 @@ describe('useState Hook Test', () => {
|
|||
});
|
||||
|
||||
it('卸载useState', () => {
|
||||
let updateA;
|
||||
let updateB;
|
||||
let updateC;
|
||||
// let updateA;
|
||||
let setNum;
|
||||
let setCount;
|
||||
|
||||
const App = (props) => {
|
||||
const [A, _updateA] = useState(0);
|
||||
const [B, _updateB] = useState(0);
|
||||
updateA = _updateA;
|
||||
updateB = _updateB;
|
||||
const [num, setNum_1] = useState(0);
|
||||
setNum = setNum_1;
|
||||
|
||||
let C;
|
||||
if (props.loadC) {
|
||||
const [_C, _updateC] = useState(0);
|
||||
C = _C;
|
||||
updateC = _updateC;
|
||||
let count;
|
||||
if (props.hasCount) {
|
||||
const [count_1, setCount_1] = useState(0);
|
||||
count = count_1;
|
||||
setCount = setCount_1;
|
||||
} else {
|
||||
C = '[not loaded]';
|
||||
count = 'null';
|
||||
}
|
||||
|
||||
return <Text text={`A: ${A}, B: ${B}, C: ${C}`} />;
|
||||
return <Text text={`Number: ${num}, Count: ${count}`} />;
|
||||
}
|
||||
|
||||
HorizonDOM.render(<App loadC={true} />, container);
|
||||
expect(LogUtils.getAndClear()).toEqual(['A: 0, B: 0, C: 0']);
|
||||
expect(container.textContent).toBe('A: 0, B: 0, C: 0');
|
||||
HorizonDOM.render(<App hasCount={true} />, container);
|
||||
expect(LogUtils.getAndClear()).toEqual(['Number: 0, Count: 0']);
|
||||
expect(container.textContent).toBe('Number: 0, Count: 0');
|
||||
act(() => {
|
||||
updateA(2);
|
||||
updateB(3);
|
||||
updateC(4);
|
||||
setNum(1);
|
||||
setCount(2);
|
||||
});
|
||||
expect(LogUtils.getAndClear()).toEqual(['A: 2, B: 3, C: 4']);
|
||||
expect(container.textContent).toBe('A: 2, B: 3, C: 4');
|
||||
expect(LogUtils.getAndClear()).toEqual(['Number: 1, Count: 2']);
|
||||
expect(container.textContent).toBe('Number: 1, Count: 2');
|
||||
|
||||
expect(() => {
|
||||
HorizonDOM.render(<App loadC={false} />, container);
|
||||
HorizonDOM.render(<App hasCount={false} />, container);
|
||||
}).toThrow(
|
||||
'Hooks are less than expected, please check whether the hook is written in the condition.',
|
||||
);
|
|
@ -1,249 +0,0 @@
|
|||
import * as React from '../../../libs/horizon/src/external/Horizon';
|
||||
import * as HorizonDOM from '../../../libs/horizon/src/dom/DOMExternal';
|
||||
import * as LogUtils from '../jest/logUtils';
|
||||
import { act } from '../jest/customMatcher';
|
||||
|
||||
describe('Hook Test', () => {
|
||||
const { useMemo, useRef, useState, useImperativeHandle, forwardRef, useLayoutEffect, useEffect } = React;
|
||||
const { unmountComponentAtNode } = HorizonDOM;
|
||||
let container = null;
|
||||
beforeEach(() => {
|
||||
LogUtils.clear();
|
||||
// 创建一个 DOM 元素作为渲染目标
|
||||
container = document.createElement('div');
|
||||
document.body.appendChild(container);
|
||||
});
|
||||
|
||||
afterEach(() => {
|
||||
// 退出时进行清理
|
||||
unmountComponentAtNode(container);
|
||||
container.remove();
|
||||
container = null;
|
||||
LogUtils.clear();
|
||||
});
|
||||
|
||||
const Text = (props) => {
|
||||
LogUtils.log(props.text);
|
||||
return <p>{props.text}</p>;
|
||||
}
|
||||
|
||||
describe('useLayoutEffect Test', () => {
|
||||
it('useLayoutEffect的触发时序', () => {
|
||||
const App = (props) => {
|
||||
useLayoutEffect(() => {
|
||||
LogUtils.log('LayoutEffect');
|
||||
});
|
||||
return <Text text={props.num} />;
|
||||
}
|
||||
HorizonDOM.render(<App num={1} />, container, () => LogUtils.log('Sync effect'));
|
||||
expect(LogUtils.getAndClear()).toEqual([
|
||||
1,
|
||||
// 同步在渲染之后
|
||||
'LayoutEffect',
|
||||
'Sync effect'
|
||||
]);
|
||||
expect(container.querySelector('p').innerHTML).toBe('1');
|
||||
// 更新
|
||||
HorizonDOM.render(<App num={2} />, container, () => LogUtils.log('Sync effect'));
|
||||
expect(LogUtils.getAndClear()).toEqual([
|
||||
2,
|
||||
'LayoutEffect',
|
||||
'Sync effect'
|
||||
]);
|
||||
expect(container.querySelector('p').innerHTML).toBe('2');
|
||||
});
|
||||
|
||||
it('创建,销毁useLayoutEffect', () => {
|
||||
const App = (props) => {
|
||||
useEffect(() => {
|
||||
LogUtils.log(`num effect [${props.num}]`);
|
||||
return () => {
|
||||
LogUtils.log('num effect destroy');
|
||||
};
|
||||
}, [props.num]);
|
||||
useLayoutEffect(() => {
|
||||
LogUtils.log(`num Layouteffect [${props.num}]`);
|
||||
return () => {
|
||||
LogUtils.log(`num [${props.num}] Layouteffect destroy`);
|
||||
};
|
||||
}, [props.num]);
|
||||
return <Text text={'num: ' + props.num} />;
|
||||
}
|
||||
|
||||
act(() => {
|
||||
HorizonDOM.render(<App num={0} />, container, () => LogUtils.log('callback effect'));
|
||||
expect(LogUtils.getAndClear()).toEqual([
|
||||
'num: 0',
|
||||
'num Layouteffect [0]',
|
||||
'callback effect'
|
||||
]);
|
||||
expect(container.textContent).toBe('num: 0');
|
||||
})
|
||||
|
||||
// 更新
|
||||
act(() => {
|
||||
HorizonDOM.render(<App num={1} />, container, () => LogUtils.log('callback effect'));
|
||||
})
|
||||
expect(LogUtils.getAndClear()).toEqual([
|
||||
// 异步effect
|
||||
'num effect [0]',
|
||||
'num: 1',
|
||||
// 旧Layouteffect销毁
|
||||
'num [0] Layouteffect destroy',
|
||||
// 新Layouteffect建立
|
||||
'num Layouteffect [1]',
|
||||
'callback effect',
|
||||
// 异步旧的effect销毁
|
||||
'num effect destroy',
|
||||
// 异步新的effect建立
|
||||
'num effect [1]'
|
||||
]);
|
||||
|
||||
act(() => {
|
||||
HorizonDOM.render(null, container, () => LogUtils.log('callback effect'));
|
||||
})
|
||||
expect(LogUtils.getAndClear()).toEqual([
|
||||
// 同步Layouteffect销毁
|
||||
'num [1] Layouteffect destroy',
|
||||
'callback effect',
|
||||
// 最后执行异步effect销毁
|
||||
'num effect destroy',
|
||||
]);
|
||||
});
|
||||
})
|
||||
|
||||
describe('useMemo Test', () => {
|
||||
it('触发useMemo', () => {
|
||||
const App = (props) => {
|
||||
const num = useMemo(() => {
|
||||
LogUtils.log(props._num);
|
||||
return props._num + 1;
|
||||
}, [props._num]);
|
||||
return <Text text={num} />;
|
||||
}
|
||||
HorizonDOM.render(<App _num={0} />, container);
|
||||
expect(LogUtils.getAndClear()).toEqual([
|
||||
0,
|
||||
1
|
||||
]);
|
||||
expect(container.textContent).toBe('1');
|
||||
|
||||
HorizonDOM.render(<App _num={1} />, container);
|
||||
expect(LogUtils.getAndClear()).toEqual([
|
||||
1,
|
||||
2
|
||||
]);
|
||||
expect(container.textContent).toBe('2');
|
||||
|
||||
HorizonDOM.render(<App _num={1} />, container);
|
||||
// 不会触发useMemo
|
||||
expect(LogUtils.getAndClear()).toEqual([2]);
|
||||
expect(container.textContent).toBe('2');
|
||||
|
||||
HorizonDOM.render(<App _num={2} />, container);
|
||||
expect(LogUtils.getAndClear()).toEqual([
|
||||
2,
|
||||
3
|
||||
]);
|
||||
expect(container.textContent).toBe('3');
|
||||
});
|
||||
|
||||
it('输入不变,重新渲染也会触发useMemo', () => {
|
||||
const App = (props) => {
|
||||
const num = useMemo(props._num);
|
||||
return <Text text={num} />;
|
||||
}
|
||||
|
||||
const num1 = () => {
|
||||
LogUtils.log('num 1');
|
||||
return 1;
|
||||
}
|
||||
|
||||
const num2 = () => {
|
||||
LogUtils.log('num 2');
|
||||
return 2;
|
||||
}
|
||||
|
||||
HorizonDOM.render(<App _num={num1} />, container);
|
||||
expect(LogUtils.getAndClear()).toEqual(['num 1', 1]);
|
||||
|
||||
HorizonDOM.render(<App _num={num1} />, container);
|
||||
expect(LogUtils.getAndClear()).toEqual(['num 1', 1]);
|
||||
|
||||
HorizonDOM.render(<App _num={num1} />, container);
|
||||
expect(LogUtils.getAndClear()).toEqual(['num 1', 1]);
|
||||
|
||||
HorizonDOM.render(<App _num={num2} />, container);
|
||||
expect(LogUtils.getAndClear()).toEqual(['num 2', 2]);
|
||||
});
|
||||
})
|
||||
|
||||
describe('useRef Test', () => {
|
||||
it('更新current值时不会re-render', () => {
|
||||
const App = () => {
|
||||
const ref = useRef(1);
|
||||
return (
|
||||
<>
|
||||
<button onClick={() => {
|
||||
ref.current += 1;
|
||||
}}>
|
||||
button
|
||||
</button>
|
||||
<Text text={ref.current} />;
|
||||
</>
|
||||
)
|
||||
|
||||
}
|
||||
HorizonDOM.render(<App />, container);
|
||||
expect(LogUtils.getAndClear()).toEqual([1]);
|
||||
expect(container.querySelector('p').innerHTML).toBe('1');
|
||||
// 点击按钮触发ref.current加1
|
||||
container.querySelector('button').click();
|
||||
// ref.current改变不会触发重新渲染
|
||||
expect(LogUtils.getAndClear()).toEqual([]);
|
||||
expect(container.querySelector('p').innerHTML).toBe('1');
|
||||
});
|
||||
})
|
||||
|
||||
describe('useImperativeHandle Test', () => {
|
||||
it('useImperativeHandle没有配置dep时自动更新', () => {
|
||||
|
||||
let App = (props, ref) => {
|
||||
const [num, setNum] = useState(0);
|
||||
useImperativeHandle(ref, () => ({ num, setNum }));
|
||||
return <Text text={num} />;
|
||||
}
|
||||
let App1 = (props, ref) => {
|
||||
const [num1, setNum1] = useState(0);
|
||||
useImperativeHandle(ref, () => ({ num1, setNum1 }), []);
|
||||
return <Text text={num1} />;
|
||||
}
|
||||
|
||||
App = forwardRef(App);
|
||||
App1 = forwardRef(App1);
|
||||
const counter = React.createRef(null);
|
||||
const counter1 = React.createRef(null);
|
||||
HorizonDOM.render(<App ref={counter} />, container);
|
||||
expect(LogUtils.getAndClear()).toEqual([0]);
|
||||
expect(counter.current.num).toBe(0);
|
||||
act(() => {
|
||||
counter.current.setNum(1);
|
||||
});
|
||||
expect(LogUtils.getAndClear()).toEqual([1]);
|
||||
// useImperativeHandle没有配置的dep,所以会自动更新
|
||||
expect(counter.current.num).toBe(1);
|
||||
// 清空container
|
||||
unmountComponentAtNode(container);
|
||||
|
||||
HorizonDOM.render(<App1 ref={counter1} />, container);
|
||||
expect(LogUtils.getAndClear()).toEqual([0]);
|
||||
expect(counter1.current.num1).toBe(0);
|
||||
act(() => {
|
||||
counter1.current.setNum1(1);
|
||||
});
|
||||
expect(LogUtils.getAndClear()).toEqual([1]);
|
||||
// useImperativeHandle的dep为[],所以不会变
|
||||
expect(counter1.current.num1).toBe(0);
|
||||
});
|
||||
})
|
||||
})
|
|
@ -1,312 +0,0 @@
|
|||
import * as React from '../../../libs/horizon/src/external/Horizon';
|
||||
import * as HorizonDOM from '../../../libs/horizon/src/dom/DOMExternal';
|
||||
import { act } from '../jest/customMatcher';
|
||||
|
||||
|
||||
describe('Hook Test', () => {
|
||||
const {
|
||||
useState,
|
||||
useReducer,
|
||||
useEffect,
|
||||
useLayoutEffect,
|
||||
useContext,
|
||||
useMemo,
|
||||
useCallback,
|
||||
useRef,
|
||||
useImperativeHandle,
|
||||
forwardRef
|
||||
} = React;
|
||||
const { unmountComponentAtNode } = HorizonDOM;
|
||||
let container = null;
|
||||
beforeEach(() => {
|
||||
// 创建一个 DOM 元素作为渲染目标
|
||||
container = document.createElement('div');
|
||||
document.body.appendChild(container);
|
||||
});
|
||||
|
||||
afterEach(() => {
|
||||
// 退出时进行清理
|
||||
unmountComponentAtNode(container);
|
||||
container.remove();
|
||||
container = null;
|
||||
});
|
||||
|
||||
|
||||
it('简单使用useState', () => {
|
||||
const App = () => {
|
||||
const [num, setNum] = useState(0);
|
||||
return (
|
||||
<>
|
||||
<p>{num}</p>
|
||||
<button onClick={() => setNum(num + 1)} />
|
||||
</>
|
||||
)
|
||||
}
|
||||
HorizonDOM.render(<App />, container);
|
||||
expect(container.querySelector('p').innerHTML).toBe('0');
|
||||
// 点击按钮触发num加1
|
||||
container.querySelector('button').click();
|
||||
expect(container.querySelector('p').innerHTML).toBe('1');
|
||||
});
|
||||
|
||||
it('简单使用useEffect', () => {
|
||||
const App = () => {
|
||||
const [num, setNum] = useState(0);
|
||||
useEffect(() => {
|
||||
document.getElementById('p').style.display = num === 0 ? 'none' : 'inline';
|
||||
});
|
||||
return (
|
||||
<>
|
||||
<p style={{ display: 'block' }} id="p">{num}</p>
|
||||
<button onClick={() => setNum(num + 1)} />
|
||||
</>
|
||||
)
|
||||
}
|
||||
HorizonDOM.render(<App />, container);
|
||||
expect(document.getElementById('p').style.display).toBe('block');
|
||||
// 点击按钮触发num加1
|
||||
container.querySelector('button').click();
|
||||
expect(document.getElementById('p').style.display).toBe('none');
|
||||
container.querySelector('button').click();
|
||||
expect(container.querySelector('p').style.display).toBe('inline');
|
||||
});
|
||||
|
||||
it('简单使用useLayoutEffect', () => {
|
||||
const App = () => {
|
||||
const [num, setNum] = useState(0);
|
||||
useLayoutEffect(() => {
|
||||
document.getElementById('p').style.display = num === 0 ? 'none' : 'inline';
|
||||
});
|
||||
return (
|
||||
<>
|
||||
<p style={{ display: 'block' }} id="p">{num}</p>
|
||||
<button onClick={() => setNum(num + 1)} />
|
||||
</>
|
||||
)
|
||||
}
|
||||
HorizonDOM.render(<App />, container);
|
||||
expect(document.getElementById('p').style.display).toBe('none');
|
||||
container.querySelector('button').click();
|
||||
expect(container.querySelector('p').style.display).toBe('inline');
|
||||
});
|
||||
|
||||
it('简单使用useContext', () => {
|
||||
const LanguageTypes = {
|
||||
JAVA: 'Java',
|
||||
JAVASCRIPT: 'JavaScript',
|
||||
};
|
||||
const defaultValue = { type: LanguageTypes.JAVASCRIPT };
|
||||
const SystemLanguageContext = React.createContext(defaultValue);
|
||||
|
||||
const SystemLanguageProvider = ({ type, children }) => {
|
||||
return (
|
||||
<SystemLanguageContext.Provider value={{ type }}>
|
||||
{children}
|
||||
</SystemLanguageContext.Provider>
|
||||
);
|
||||
};
|
||||
const TestFunction = () => {
|
||||
const context = useContext(SystemLanguageContext);
|
||||
return <p id="p">{context.type}</p>;
|
||||
}
|
||||
let setValue;
|
||||
const App = () => {
|
||||
const [value, _setValue] = useState(LanguageTypes.JAVA);
|
||||
setValue = _setValue;
|
||||
return (
|
||||
<div className="App">
|
||||
<SystemLanguageProvider type={value}>
|
||||
<TestFunction />
|
||||
</SystemLanguageProvider>
|
||||
</div>
|
||||
)
|
||||
}
|
||||
HorizonDOM.render(<TestFunction />, container);
|
||||
// 测试当Provider未提供时,获取到的默认值'JavaScript'。
|
||||
expect(container.querySelector('p').innerHTML).toBe('JavaScript');
|
||||
unmountComponentAtNode(container);
|
||||
HorizonDOM.render(<App />, container);
|
||||
// 测试当Provider提供时,可以获取到Provider的值'Java'。
|
||||
expect(container.querySelector('p').innerHTML).toBe('Java');
|
||||
// 测试当Provider改变时,可以获取到最新Provider的值。
|
||||
act(() => setValue(LanguageTypes.JAVASCRIPT));
|
||||
expect(container.querySelector('p').innerHTML).toBe('JavaScript');
|
||||
});
|
||||
|
||||
it('简单使用useReducer', () => {
|
||||
const intlCar = { logo: '', price: 0 };
|
||||
let dispatch;
|
||||
const App = () => {
|
||||
const carReducer = (state, action) => {
|
||||
switch (action.logo) {
|
||||
case 'ford':
|
||||
return {
|
||||
...intlCar,
|
||||
logo: 'ford',
|
||||
price: 76
|
||||
};
|
||||
case 'bmw':
|
||||
return {
|
||||
...intlCar,
|
||||
logo: 'bmw',
|
||||
price: 100
|
||||
};
|
||||
case 'benz':
|
||||
return {
|
||||
...intlCar,
|
||||
logo: 'benz',
|
||||
price: 80
|
||||
};
|
||||
default:
|
||||
return {
|
||||
...intlCar,
|
||||
logo: 'audi',
|
||||
price: 88
|
||||
};
|
||||
}
|
||||
}
|
||||
const [car, carDispatch] = useReducer(carReducer, intlCar);
|
||||
dispatch = carDispatch;
|
||||
return (
|
||||
<div>
|
||||
<p>{car.logo}</p>
|
||||
<p id={'senP'}>{car.price}</p>
|
||||
</div>
|
||||
)
|
||||
}
|
||||
HorizonDOM.render(<App />, container);
|
||||
expect(container.querySelector('p').innerHTML).toBe('');
|
||||
expect(container.querySelector('#senP').innerHTML).toBe('0');
|
||||
// 触发bmw
|
||||
dispatch({ logo: 'bmw' });
|
||||
expect(container.querySelector('p').innerHTML).toBe('bmw');
|
||||
expect(container.querySelector('#senP').innerHTML).toBe('100');
|
||||
// 触发carReducer里的switch的default项
|
||||
dispatch({ logo: 'wrong logo' });
|
||||
expect(container.querySelector('p').innerHTML).toBe('audi');
|
||||
expect(container.querySelector('#senP').innerHTML).toBe('88');
|
||||
});
|
||||
|
||||
it('测试useMemo', () => {
|
||||
let setMemo;
|
||||
const App = () => {
|
||||
const [num, setNum] = useState(0);
|
||||
const [memoDependent, _setMemo] = useState('App');
|
||||
setMemo = _setMemo;
|
||||
const text = useMemo(() => {
|
||||
setNum(num + 1);
|
||||
return memoDependent;
|
||||
}, [memoDependent])
|
||||
return (
|
||||
<>
|
||||
<p>{text}</p>
|
||||
<p id="p">{num}</p>
|
||||
</>
|
||||
);
|
||||
}
|
||||
HorizonDOM.render(<App words="App" />, container);
|
||||
expect(container.querySelector('p').innerHTML).toBe('App');
|
||||
expect(container.querySelector('#p').innerHTML).toBe('1');
|
||||
// 修改useMemo的依赖项,num会加一,text会改变。
|
||||
setMemo('Apps')
|
||||
expect(container.querySelector('p').innerHTML).toBe('Apps');
|
||||
expect(container.querySelector('#p').innerHTML).toBe('2');
|
||||
// useMemo的依赖项不变,num不会加一,text不会改变。
|
||||
setMemo('Apps')
|
||||
expect(container.querySelector('p').innerHTML).toBe('Apps');
|
||||
expect(container.querySelector('#p').innerHTML).toBe('2');
|
||||
// 修改useMemo的依赖项,num会加一,text会改变。
|
||||
setMemo('App')
|
||||
expect(container.querySelector('p').innerHTML).toBe('App');
|
||||
expect(container.querySelector('#p').innerHTML).toBe('3');
|
||||
});
|
||||
|
||||
it('测试useCallback', () => {
|
||||
const App = (props) => {
|
||||
const [num, setNum] = useState(0);
|
||||
const NumUseCallback = useCallback(() => {
|
||||
setNum(num + props.text)
|
||||
}, [props]);
|
||||
return (
|
||||
<>
|
||||
<p>{num}</p>
|
||||
<button onClick={NumUseCallback} />
|
||||
</>
|
||||
)
|
||||
}
|
||||
HorizonDOM.render(<App text={1} />, container);
|
||||
expect(container.querySelector('p').innerHTML).toBe('0');
|
||||
// 点击按钮触发num加1
|
||||
container.querySelector('button').click();
|
||||
expect(container.querySelector('p').innerHTML).toBe('1');
|
||||
// 再次点击,依赖项没变,num不增加
|
||||
container.querySelector('button').click();
|
||||
expect(container.querySelector('p').innerHTML).toBe('1');
|
||||
|
||||
HorizonDOM.render(<App text={2} />, container);
|
||||
expect(container.querySelector('p').innerHTML).toBe('1');
|
||||
// 依赖项有变化,点击按钮num增加
|
||||
container.querySelector('button').click();
|
||||
expect(container.querySelector('p').innerHTML).toBe('3');
|
||||
});
|
||||
|
||||
it('测试useRef', () => {
|
||||
const App = () => {
|
||||
const [num, setNum] = useState(1);
|
||||
const ref = useRef();
|
||||
if (!ref.current) {
|
||||
ref.current = num;
|
||||
}
|
||||
return (
|
||||
<>
|
||||
<p>{num}</p>
|
||||
<p id="sp">{ref.current}</p>
|
||||
<button onClick={() => setNum(num + 1)} />
|
||||
</>
|
||||
)
|
||||
}
|
||||
HorizonDOM.render(<App />, container);
|
||||
expect(container.querySelector('p').innerHTML).toBe('1');
|
||||
expect(container.querySelector('#sp').innerHTML).toBe('1');
|
||||
// 点击按钮触发num加1,ref不变
|
||||
container.querySelector('button').click();
|
||||
expect(container.querySelector('p').innerHTML).toBe('2');
|
||||
expect(container.querySelector('#sp').innerHTML).toBe('1');
|
||||
});
|
||||
|
||||
it('测试useImperativeHandle', () => {
|
||||
|
||||
let App = (props, ref) => {
|
||||
const [num, setNum] = useState(0);
|
||||
useImperativeHandle(ref, () => ({num, setNum}), []);
|
||||
return <p>{num}</p>;
|
||||
}
|
||||
let App1 = (props, ref) => {
|
||||
const [num1, setNum1] = useState(0);
|
||||
useImperativeHandle(ref, () => ({num1, setNum1}), [num1]);
|
||||
return <p>{num1}</p>;
|
||||
}
|
||||
|
||||
App = forwardRef(App);
|
||||
App1 = forwardRef(App1);
|
||||
const counter = React.createRef(null);
|
||||
const counter1 = React.createRef(null);
|
||||
HorizonDOM.render(<App ref={counter} />, container);
|
||||
expect(counter.current.num).toBe(0);
|
||||
act(() => {
|
||||
counter.current.setNum(1);
|
||||
});
|
||||
// useImperativeHandle的dep为[],所以不会变
|
||||
expect(counter.current.num).toBe(0);
|
||||
// 清空container
|
||||
unmountComponentAtNode(container);
|
||||
|
||||
HorizonDOM.render(<App1 ref={counter1} />, container);
|
||||
expect(counter1.current.num1).toBe(0);
|
||||
act(() => {
|
||||
counter1.current.setNum1(1);
|
||||
});
|
||||
// useImperativeHandle的dep为[num1],所以会变
|
||||
expect(counter1.current.num1).toBe(1);
|
||||
});
|
||||
});
|
|
@ -0,0 +1,9 @@
|
|||
import * as React from '../../../libs/horizon/src/external/Horizon';
|
||||
import * as LogUtils from '../jest/logUtils';
|
||||
|
||||
const Text = (props) => {
|
||||
LogUtils.log(props.text);
|
||||
return <p>{props.text}</p>;
|
||||
};
|
||||
|
||||
export default Text;
|
|
@ -1,10 +1,22 @@
|
|||
import { unmountComponentAtNode } from '../../../libs/horizon/src/dom/DOMExternal';
|
||||
import * as LogUtils from '../jest/logUtils';
|
||||
|
||||
global.isDev = process.env.NODE_ENV === 'development';
|
||||
global.MessageChannel = function MessageChannel() {
|
||||
this.port1 = {};
|
||||
this.port2 = {
|
||||
postMessage() { }
|
||||
};
|
||||
};
|
||||
|
||||
global.container = null;
|
||||
global.beforeEach(() => {
|
||||
LogUtils.clear();
|
||||
// 创建一个 DOM 元素作为渲染目标
|
||||
global.container = document.createElement('div');
|
||||
document.body.appendChild(global.container);
|
||||
});
|
||||
|
||||
global.afterEach(() => {
|
||||
unmountComponentAtNode(global.container);
|
||||
global.container.remove();
|
||||
global.container = null;
|
||||
LogUtils.clear();
|
||||
});
|
||||
|
||||
// 使Jest感知自定义匹配器
|
||||
expect.extend({
|
||||
|
|
Loading…
Reference in New Issue