| |
| |
| |
|
|
| import { memoryHistory } from 'react-router-dom'; |
| import { put } from 'redux-saga/effects'; |
| import renderer from 'react-test-renderer'; |
| import { render } from 'react-testing-library'; |
| import React from 'react'; |
| import { Provider } from 'react-redux'; |
|
|
| import configureStore from '../../configureStore'; |
| import injectSaga, { useInjectSaga } from '../injectSaga'; |
| import * as sagaInjectors from '../sagaInjectors'; |
|
|
| |
| const Component = () => null; |
|
|
| function* testSaga() { |
| yield put({ type: 'TEST', payload: 'yup' }); |
| } |
|
|
| describe('injectSaga decorator', () => { |
| let store; |
| let injectors; |
| let ComponentWithSaga; |
|
|
| beforeAll(() => { |
| sagaInjectors.default = jest.fn().mockImplementation(() => injectors); |
| }); |
|
|
| beforeEach(() => { |
| store = configureStore({}, memoryHistory); |
| injectors = { |
| injectSaga: jest.fn(), |
| ejectSaga: jest.fn(), |
| }; |
| ComponentWithSaga = injectSaga({ |
| key: 'test', |
| saga: testSaga, |
| mode: 'testMode', |
| })(Component); |
| sagaInjectors.default.mockClear(); |
| }); |
|
|
| it('should inject given saga, mode, and props', () => { |
| const props = { test: 'test' }; |
| renderer.create( |
| <Provider store={store}> |
| <ComponentWithSaga {...props} /> |
| </Provider>, |
| ); |
|
|
| expect(injectors.injectSaga).toHaveBeenCalledTimes(1); |
| expect(injectors.injectSaga).toHaveBeenCalledWith( |
| 'test', |
| { saga: testSaga, mode: 'testMode' }, |
| props, |
| ); |
| }); |
|
|
| it('should eject on unmount with a correct saga key', () => { |
| const props = { test: 'test' }; |
| const renderedComponent = renderer.create( |
| <Provider store={store}> |
| <ComponentWithSaga {...props} /> |
| </Provider>, |
| ); |
| renderedComponent.unmount(); |
|
|
| expect(injectors.ejectSaga).toHaveBeenCalledTimes(1); |
| expect(injectors.ejectSaga).toHaveBeenCalledWith('test'); |
| }); |
|
|
| it('should set a correct display name', () => { |
| expect(ComponentWithSaga.displayName).toBe('withSaga(Component)'); |
| expect( |
| injectSaga({ key: 'test', saga: testSaga })(() => null).displayName, |
| ).toBe('withSaga(Component)'); |
| }); |
|
|
| it('should propagate props', () => { |
| const props = { testProp: 'test' }; |
| const renderedComponent = renderer.create( |
| <Provider store={store}> |
| <ComponentWithSaga {...props} /> |
| </Provider>, |
| ); |
| const { |
| props: { children }, |
| } = renderedComponent.getInstance(); |
| expect(children.props).toEqual(props); |
| }); |
| }); |
|
|
| describe('useInjectSaga hook', () => { |
| let store; |
| let injectors; |
| let ComponentWithSaga; |
|
|
| beforeAll(() => { |
| sagaInjectors.default = jest.fn().mockImplementation(() => injectors); |
| }); |
|
|
| beforeEach(() => { |
| store = configureStore({}, memoryHistory); |
| injectors = { |
| injectSaga: jest.fn(), |
| ejectSaga: jest.fn(), |
| }; |
| ComponentWithSaga = () => { |
| useInjectSaga({ |
| key: 'test', |
| saga: testSaga, |
| mode: 'testMode', |
| }); |
| return null; |
| }; |
| sagaInjectors.default.mockClear(); |
| }); |
|
|
| it('should inject given saga and mode', () => { |
| const props = { test: 'test' }; |
| render( |
| <Provider store={store}> |
| <ComponentWithSaga {...props} /> |
| </Provider>, |
| ); |
|
|
| expect(injectors.injectSaga).toHaveBeenCalledTimes(1); |
| expect(injectors.injectSaga).toHaveBeenCalledWith('test', { |
| saga: testSaga, |
| mode: 'testMode', |
| }); |
| }); |
|
|
| it('should eject on unmount with a correct saga key', () => { |
| const props = { test: 'test' }; |
| const { unmount } = render( |
| <Provider store={store}> |
| <ComponentWithSaga {...props} /> |
| </Provider>, |
| ); |
| unmount(); |
|
|
| expect(injectors.ejectSaga).toHaveBeenCalledTimes(1); |
| expect(injectors.ejectSaga).toHaveBeenCalledWith('test'); |
| }); |
| }); |
|
|
