| |
| |
| |
|
|
| import { memoryHistory } from 'react-router-dom'; |
| import React from 'react'; |
| import { Provider } from 'react-redux'; |
| import renderer from 'react-test-renderer'; |
| import { render } from 'react-testing-library'; |
|
|
| import configureStore from '../../configureStore'; |
| import injectReducer, { useInjectReducer } from '../injectReducer'; |
| import * as reducerInjectors from '../reducerInjectors'; |
|
|
| |
| const Component = () => null; |
|
|
| const reducer = s => s; |
|
|
| describe('injectReducer decorator', () => { |
| let store; |
| let injectors; |
| let ComponentWithReducer; |
|
|
| beforeAll(() => { |
| reducerInjectors.default = jest.fn().mockImplementation(() => injectors); |
| }); |
|
|
| beforeEach(() => { |
| store = configureStore({}, memoryHistory); |
| injectors = { |
| injectReducer: jest.fn(), |
| }; |
| ComponentWithReducer = injectReducer({ key: 'test', reducer })(Component); |
| reducerInjectors.default.mockClear(); |
| }); |
|
|
| it('should inject a given reducer', () => { |
| renderer.create( |
| <Provider store={store}> |
| <ComponentWithReducer /> |
| </Provider>, |
| ); |
|
|
| expect(injectors.injectReducer).toHaveBeenCalledTimes(1); |
| expect(injectors.injectReducer).toHaveBeenCalledWith('test', reducer); |
| }); |
|
|
| it('should set a correct display name', () => { |
| expect(ComponentWithReducer.displayName).toBe('withReducer(Component)'); |
| expect( |
| injectReducer({ key: 'test', reducer })(() => null).displayName, |
| ).toBe('withReducer(Component)'); |
| }); |
|
|
| it('should propagate props', () => { |
| const props = { testProp: 'test' }; |
| const renderedComponent = renderer.create( |
| <Provider store={store}> |
| <ComponentWithReducer {...props} /> |
| </Provider>, |
| ); |
| const { |
| props: { children }, |
| } = renderedComponent.getInstance(); |
|
|
| expect(children.props).toEqual(props); |
| }); |
| }); |
|
|
| describe('useInjectReducer hook', () => { |
| let store; |
| let injectors; |
| let ComponentWithReducer; |
|
|
| beforeAll(() => { |
| injectors = { |
| injectReducer: jest.fn(), |
| }; |
| reducerInjectors.default = jest.fn().mockImplementation(() => injectors); |
| store = configureStore({}, memoryHistory); |
| ComponentWithReducer = () => { |
| useInjectReducer({ key: 'test', reducer }); |
| return null; |
| }; |
| }); |
|
|
| it('should inject a given reducer', () => { |
| render( |
| <Provider store={store}> |
| <ComponentWithReducer /> |
| </Provider>, |
| ); |
|
|
| expect(injectors.injectReducer).toHaveBeenCalledTimes(1); |
| expect(injectors.injectReducer).toHaveBeenCalledWith('test', reducer); |
| }); |
| }); |
|
|
