import { strict as assert } from 'assert' import migration43 from '../../../app/scripts/migrations/043' describe('migration #43', function () { it('should update the version metadata', async function () { const oldStorage = { 'meta': { 'version': 42, }, 'data': {}, } const newStorage = await migration43.migrate(oldStorage) assert.deepEqual(newStorage.meta, { 'version': 43, }) }) it('should delete currentAccountTab state', async function () { const oldStorage = { meta: {}, data: { PreferencesController: { currentAccountTab: 'history', bar: 'baz', }, foo: 'bar', }, } const newStorage = await migration43.migrate(oldStorage) assert.deepEqual(newStorage.data, { PreferencesController: { bar: 'baz', }, foo: 'bar', }) }) it('should do nothing if currentAccountTab state does not exist', async function () { const oldStorage = { meta: {}, data: { PreferencesController: { bar: 'baz', }, foo: 'bar', }, } const newStorage = await migration43.migrate(oldStorage) assert.deepEqual(oldStorage.data, newStorage.data) }) })