react-native-code-push/Examples/CodePushDemoApp/__tests__/App.js

import 'react-native';
import React from 'react';
import App from '../App';

// Note: test renderer must be required after react-native.
import renderer from 'react-test-renderer';

jest.mock('react-native-code-push', () => {
  const cp = (_) => (app) => app;
  Object.assign(cp, {
    InstallMode: {},
    CheckFrequency: {},
    SyncStatus: {},
    UpdateState: {},
    DeploymentStatus: {},
    DEFAULT_UPDATE_DIALOG: {},

    checkForUpdate: jest.fn(),
    codePushify: jest.fn(),
    getConfiguration: jest.fn(),
    getCurrentPackage: jest.fn(),
    getUpdateMetadata: jest.fn(),
    log: jest.fn(),
    notifyAppReady: jest.fn(),
    notifyApplicationReady: jest.fn(),
    sync: jest.fn(),
  });
  return cp;
});

it('renders correctly', () => {
  const tree = renderer.create(
    <App />
  );
});