metamask-extension/development/mockExtension.js

/* MockExtension
 *
 * A module for importing the global extension polyfiller
 * and stubbing out all the extension methods with appropriate mocks.
 */

const extension = require('extensionizer')
const noop = function () {}

const apis = [
  'alarms',
  'bookmarks',
  'browserAction',
  'commands',
  'contextMenus',
  'cookies',
  'downloads',
  'events',
  'extension',
  'extensionTypes',
  'history',
  'i18n',
  'idle',
  'notifications',
  'pageAction',
  'runtime',
  'storage',
  'tabs',
  'webNavigation',
  'webRequest',
  'windows',
]

apis.forEach(function (api) {
  extension[api] = {}
})

extension.runtime.reload = noop
extension.tabs.create = noop
extension.runtime.getManifest = function () {
  return {
    version: 'development'
  }
}