Jest + react-native mock native modules

setup.js

// Tune promises (we use Bluebird, but with setImmediate instead of nextTick etc optimizations...)
// It will allow to us call jest.runAllImmediates() to force promises queue flush
global.Promise = require('App/promise').default
global.Promise.setScheduler(function(fn) {
  setImmediate(fn)
})

jest.mock('NativeEventEmitter')

const NativeModules = {
  RNFirebase: {
    apps: [{ name: '[DEFAULT]' }, { name: 'notifications' }, { name: 'messaging' }],
  },
  RNFirebaseAnalytics: {
    setUserId: jest.fn(),
  },
  RNFirebaseMessaging: {
    jsInitialised: jest.fn(() => Promise.resolve()),
    getToken: jest.fn(() => Promise.resolve('FIREBASE_TOKEN')),
  },
  RNFirebaseNotifications: {
    jsInitialised: jest.fn(() => Promise.resolve()),
    getInitialNotification: jest.fn(() => Promise.resolve()),
  },
  RNFSManager: {
    RNFSMainBundlePath: 'main-bundle',
    RNFSCachesDirectoryPath: 'caches',
    RNFSDocumentDirectoryPath: 'documents',
    RNFSExternalDirectoryPath: 'external',
    RNFSExternalStorageDirectoryPath: 'external-storage',
    RNFSTemporaryDirectoryPath: 'tmp',
    RNFSLibraryDirectoryPath: 'library',
    RNFSFileTypeRegular: 'file-type-regular',
    RNFSFileTypeDirectory: 'file-type-directory',
  },
  RNShare: {},
  OurLocation: {
    getLocation: jest.fn().mockResolvedValue({ coords: { latitude: 55, longitude: 37 } }),
    requestAuthorization: jest.fn(() => Promise.resolve()),
  },
  OurNavigator: {
    present: jest.fn(() => Promise.resolve()),
    dismiss: jest.fn(() => Promise.resolve()),
    push: jest.fn(() => Promise.resolve()),
    pop: jest.fn(() => Promise.resolve()),
  },
}

Object.keys(NativeModules).forEach((name) => {
  mockReactNativeModule(name, NativeModules[name])
})

function mockReactNativeModule(name, shape) {
  jest.doMock(name, () => shape, { virtual: true })
  require('react-native').NativeModules[name] = shape
}

the best solution ever! Thanks!

works like a charm!

How do I use this setup?