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// For a detailed explanation regarding each configuration property, visit:
// https://jestjs.io/docs/en/configuration.html
module.exports = {
// All imported modules in your tests should be mocked automatically
// automock: false,
// Stop running tests after `n` failures
// bail: 0,
// Respect "browser" field in package.json when resolving modules
// browser: false,
// The directory where Jest should store its cached dependency information
// cacheDirectory: "C:\\Users\\j30009756\\AppData\\Local\\Temp\\jest",
// Automatically clear mock calls and instances between every test
// clearMocks: false,
// Indicates whether the coverage information should be collected while executing the test
// collectCoverage: false,
// An array of glob patterns indicating a set of files for which coverage information should be collected
// collectCoverageFrom: undefined,
// The directory where Jest should output its coverage files
coverageDirectory: 'coverage',
// An array of regexp pattern strings used to skip coverage collection
// coveragePathIgnorePatterns: [
// "\\\\node_modules\\\\"
// ],
// A list of reporter names that Jest uses when writing coverage reports
// coverageReporters: [
// "json",
// "text",
// "lcov",
// "clover"
// ],
// An object that configures minimum threshold enforcement for coverage results
// coverageThreshold: undefined,
// A path to a custom dependency extractor
// dependencyExtractor: undefined,
// Make calling deprecated APIs throw helpful error messages
// errorOnDeprecated: false,
// Force coverage collection from ignored files using an array of glob patterns
// forceCoverageMatch: [],
// A path to a module which exports an async function that is triggered once before all test suites
// globalSetup: undefined,
// A path to a module which exports an async function that is triggered once after all test suites
// globalTeardown: undefined,
// A set of global variables that need to be available in all test environments
globals: {
'isDev': process.env.NODE_ENV === 'development',
'MessageChannel': function MessageChannel() {
this.port1 = {};
this.port2 = {
postMessage() {}
};
}
},
// 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.
// maxWorkers: "50%",
// An array of directory names to be searched recursively up from the requiring module's location
// moduleDirectories: [
// "node_modules"
// ],
// An array of file extensions your modules use
// moduleFileExtensions: [
// "js",
// "json",
// "jsx",
// "ts",
// "tsx",
// "node"
// ],
// A map from regular expressions to module names or to arrays of module names that allow to stub out resources with a single module
// moduleNameMapper: {},
// An array of regexp pattern strings, matched against all module paths before considered 'visible' to the module loader
// modulePathIgnorePatterns: [],
// Activates notifications for test results
// notify: false,
// An enum that specifies notification mode. Requires { notify: true }
// notifyMode: "failure-change",
// A preset that is used as a base for Jest's configuration
// preset: undefined,
// Run tests from one or more projects
// projects: undefined,
// Use this configuration option to add custom reporters to Jest
// reporters: undefined,
// Automatically reset mock state between every test
// resetMocks: false,
// Reset the module registry before running each individual test
resetModules: true,
// A path to a custom resolver
// resolver: undefined,
// Automatically restore mock state between every test
// restoreMocks: false,
// The root directory that Jest should scan for tests and modules within
// rootDir: undefined,
// A list of paths to directories that Jest should use to search for files in
// roots: [
// "<rootDir>"
// ],
// Allows you to use a custom runner instead of Jest's default test runner
// runner: "jest-runner",
// The paths to modules that run some code to configure or set up the testing environment before each test
//setupFiles: [require.resolve('./scripts/jest/setupHostConfig.js')],
// A list of paths to modules that run some code to configure or set up the testing framework before each test
// setupFilesAfterEnv: [],
// A list of paths to snapshot serializer modules Jest should use for snapshot testing
// snapshotSerializers: [],
// The test environment that will be used for testing
testEnvironment: 'jest-environment-jsdom-sixteen',
// Options that will be passed to the testEnvironment
// testEnvironmentOptions: {},
// Adds a location field to test results
// testLocationInResults: false,
// The glob patterns Jest uses to detect test files
testMatch: [
'<rootDir>/scripts/__tests__/**/*.test.js',
'<rootDir>/scripts/__tests__/*.test.js',
'<rootDir>/scripts/__tests__/*.test.jsx',
],
// An array of regexp pattern strings that are matched against all test paths, matched tests are skipped
// testPathIgnorePatterns: [
// "\\\\node_modules\\\\"
// ],
// The regexp pattern or array of patterns that Jest uses to detect test files
//testRegex: ['/scripts/jest/dont-run-jest-directly\\.js$'],
// This option allows the use of a custom results processor
// testResultsProcessor: undefined,
// This option allows use of a custom test runner
// testRunner: "jasmine2",
// This option sets the URL for the jsdom environment. It is reflected in properties such as location.href
// testURL: "http://localhost",
// Setting this value to "fake" allows the use of fake timers for functions such as "setTimeout"
// timers: "real",
// A map from regular expressions to paths to transformers
// transform: undefined,
// An array of regexp pattern strings that are matched against all source file paths, matched files will skip transformation
// transformIgnorePatterns: [
// "\\\\node_modules\\\\"
// ],
// An array of regexp pattern strings that are matched against all modules before the module loader will automatically return a mock for them
// unmockedModulePathPatterns: undefined,
// Indicates whether each individual test should be reported during the run
// verbose: undefined,
// An array of regexp patterns that are matched against all source file paths before re-running tests in watch mode
// watchPathIgnorePatterns: [],
// Whether to use watchman for file crawling
// watchman: true,
};

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import * as React from '../../../libs/horizon/src/external/Horizon';
import * as HorizonDOM from '../../../libs/horizon/src/dom/DOMExternal';
import { act } from 'react-dom/test-utils';
describe('Hook Test', () => {
const { useState, useReducer, useEffect, useLayoutEffect, useContext } = 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', () => {
//let root = createVNode(TreeRoot, container);
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');
});
});