Match-id-26815a247af6865917eaa85295fdcb85aa2f6b59

jest.config.js

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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,
+};

scripts/__tests__/HorizonComponent/HorizonHook.test.js

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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');
+  });
+});