import { expect } from "chai"; import actions from 'content/actions'; import settingReducer from 'content/reducers/setting'; describe("content setting reducer", () => { it('return the initial state', () => { let state = settingReducer(undefined, {}); expect(state.keymaps).to.be.empty; }); it('return next state for SETTING_SET', () => { let newSettings = { red: 'apple', yellow: 'banana' }; let action = { type: actions.SETTING_SET, value: newSettings }; let state = settingReducer(undefined, action); expect(state).to.deep.equal(newSettings); expect(state).not.to.equal(newSettings); // assert deep copy }); });