jest.config.js

module.exports = {
  preset: 'react-native',
  verbose: true,
  moduleNameMapper: {
    '^image![a-zA-Z0-9$_-]+$': 'GlobalImageStub',
    '^[@./a-zA-Z0-9$_-]+\\.(png|gif)$':
      '<rootDir>/node_modules/react-native/Libraries/Image/RelativeImageStub',
  },
  coverageDirectory: './coverage/',
  // testMatch: ['<rootDir>/src/components/global-toast/__tests__/*.test.js'],
  collectCoverageFrom: [
    'src/components/**/*.js',
    'src/utils/*.js',
    '!src/components/layout/+(navigator-layout|full-view|offline-view|api|detect-net-modal|react-navigation)/*.js',
    '!src/components/layout/offline-view/ble-offline-view/*.js',
    '!src/components/dialog/password.js',
    '!src/components/popup/dropdown/*.js',
    '!src/components/feature-slider/*.js',
    '!src/index.js',
    '!src/helpers/*.js',
    '!src/components/barchart/*.js',
    '!src/components/linechart/*.js',
    '!src/components/image-upload/*.js',
    '!src/components/i18n/*.js',
    '!src/components/theme/*.js',
  ],
  modulePathIgnorePatterns: ['<rootDir>/example/node_modules', '<rootDir>/demos'],
  collectCoverage: true,
  testEnvironment: 'node',
  globals: {
    __DEV__: true,
  },
  setupTestFrameworkScriptFile: '<rootDir>/jest.setup.js',
  snapshotSerializers: ['enzyme-to-json/serializer'],
};