import { expect } from "chai"; import actions from 'actions'; import followReducer from 'reducers/follow'; describe('follow reducer', () => { it ('returns the initial state', () => { let state = followReducer(undefined, {}); expect(state).to.have.property('enabled', false); expect(state).to.have.property('newTab'); expect(state).to.have.deep.property('keys', ''); }); it ('returns next state for FOLLOW_ENABLE', () => { let action = { type: actions.FOLLOW_ENABLE, newTab: true }; let state = followReducer({ enabled: false, newTab: false }, action); expect(state).to.have.property('enabled', true); expect(state).to.have.property('newTab', true); }); it ('returns next state for FOLLOW_DISABLE', () => { let action = { type: actions.FOLLOW_DISABLE }; let state = followReducer({ enabled: true }, action); expect(state).to.have.property('enabled', false); }); it ('returns next state for FOLLOW_KEY_PRESS', () => { let action = { type: actions.FOLLOW_KEY_PRESS, key: 'a'}; let state = followReducer({ keys: '' }, action); expect(state).to.have.deep.property('keys', 'a'); action = { type: actions.FOLLOW_KEY_PRESS, key: 'b'}; state = followReducer(state, action); expect(state).to.have.deep.property('keys', 'ab'); }); it ('returns next state for FOLLOW_BACKSPACE', () => { let action = { type: actions.FOLLOW_BACKSPACE }; let state = followReducer({ keys: 'ab' }, action); expect(state).to.have.deep.property('keys', 'a'); state = followReducer(state, action); expect(state).to.have.deep.property('keys', ''); state = followReducer(state, action); expect(state).to.have.deep.property('keys', ''); }); });