import migration43 from './043'; describe('migration #43', () => { it('should update the version metadata', async () => { const oldStorage = { meta: { version: 42, }, data: {}, }; const newStorage = await migration43.migrate(oldStorage); expect(newStorage.meta).toStrictEqual({ version: 43, }); }); it('should delete currentAccountTab state', async () => { const oldStorage = { meta: {}, data: { PreferencesController: { currentAccountTab: 'history', bar: 'baz', }, foo: 'bar', }, }; const newStorage = await migration43.migrate(oldStorage); expect(newStorage.data).toStrictEqual({ PreferencesController: { bar: 'baz', }, foo: 'bar', }); }); it('should do nothing if currentAccountTab state does not exist', async () => { const oldStorage = { meta: {}, data: { PreferencesController: { bar: 'baz', }, foo: 'bar', }, }; const newStorage = await migration43.migrate(oldStorage); expect(oldStorage.data).toStrictEqual(newStorage.data); }); });