jest.config.js

// For a detailed explanation regarding each configuration property, visit:
// https://jestjs.io/docs/en/configuration.html

module.exports = {
    // Automatically clear mock calls and instances between every test
    clearMocks: true,
  
    // An array of glob patterns indicating a set of files for which coverage information should be collected
    collectCoverageFrom: ['src/**/*.{js,jsx,mjs}'],
  
    // The directory where Jest should output its coverage files
    coverageDirectory: 'coverage',
  
    // An array of file extensions your modules use
    moduleFileExtensions: ['js', 'json', 'jsx'],
  
    // The paths to modules that run some code to configure or set up the testing environment before each test
    setupFiles: ['<rootDir>/enzyme.config.js'],
  
    // The test environment that will be used for testing
    testEnvironment: 'jsdom',
  
    // The glob patterns Jest uses to detect test files
    testMatch: ['**/__tests__/**/*.js?(x)', '**/?(*.)+(spec|test).js?(x)'],
  
    // An array of regexp pattern strings that are matched against all test paths, matched tests are skipped
    testPathIgnorePatterns: ['\\\\node_modules\\\\'],
  
    // This option sets the URL for the jsdom environment. It is reflected in properties such as location.href
    testURL: 'http://localhost',
  
    // An array of regexp pattern strings that are matched against all source file paths, matched files will skip transformation
    transformIgnorePatterns: ['<rootDir>/node_modules/'],
    modulePathIgnorePatterns: ["<rootDir>/src/redux/store/combineStore.js", "<rootDir>/src/index.js",
    "<rootDir>/src/redux/reducers/mainReducer.js",  "<rootDir>/src/react/views/products/ProductView.js"
    ,"<rootDir>/src/react/routes/index.js", "<rootDir>/src/react/components/App.js"],
    moduleNameMapper: {
      "\\.(jpg|jpeg|png|gif|eot|otf|webp|svg|ttf|woff|woff2|mp4|webm|wav|mp3|m4a|aac|oga)$": "<rootDir>/assetsTransformer.js",
      "\\.(css|less|scss)$": "<rootDir>/assetsTransformer.js"
    },
    
    // Indicates whether each individual test should be reported during the run
    verbose: false,
  };