import actions from 'background/actions'; import findReducer from 'background/reducers/find'; describe("find reducer", () => { it('return the initial state', () => { let state = findReducer(undefined, {}); expect(state).to.have.deep.property('keyword', null); }); it('return next state for FIND_SET_KEYWORD', () => { let action = { type: actions.FIND_SET_KEYWORD, keyword: 'cherry', }; let state = findReducer(undefined, action); expect(state).to.have.deep.property('keyword', 'cherry') }); });