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| import React from 'react'; |
| import { render } from 'react-testing-library'; |
| import { IntlProvider } from 'react-intl'; |
| import { Provider } from 'react-redux'; |
| import { browserHistory } from 'react-router-dom'; |
|
|
| import { HomePage, mapDispatchToProps } from '../index'; |
| import { changeUsername } from '../actions'; |
| import { loadRepos } from '../../App/actions'; |
| import configureStore from '../../../configureStore'; |
|
|
| describe('<HomePage />', () => { |
| let store; |
|
|
| beforeAll(() => { |
| store = configureStore({}, browserHistory); |
| }); |
|
|
| it('should render and match the snapshot', () => { |
| const { |
| container: { firstChild }, |
| } = render( |
| <Provider store={store}> |
| <IntlProvider locale="en"> |
| <HomePage loading={false} error={false} repos={[]} /> |
| </IntlProvider> |
| </Provider>, |
| ); |
| expect(firstChild).toMatchSnapshot(); |
| }); |
|
|
| it('should fetch the repos on mount if a username exists', () => { |
| const submitSpy = jest.fn(); |
| render( |
| <Provider store={store}> |
| <IntlProvider locale="en"> |
| <HomePage |
| username="Not Empty" |
| onChangeUsername={() => {}} |
| onSubmitForm={submitSpy} |
| /> |
| </IntlProvider> |
| </Provider>, |
| ); |
| expect(submitSpy).toHaveBeenCalled(); |
| }); |
|
|
| it('should not call onSubmitForm if username is an empty string', () => { |
| const submitSpy = jest.fn(); |
| render( |
| <Provider store={store}> |
| <IntlProvider locale="en"> |
| <HomePage onChangeUsername={() => {}} onSubmitForm={submitSpy} /> |
| </IntlProvider> |
| </Provider>, |
| ); |
| expect(submitSpy).not.toHaveBeenCalled(); |
| }); |
|
|
| it('should not call onSubmitForm if username is null', () => { |
| const submitSpy = jest.fn(); |
| render( |
| <Provider store={store}> |
| <IntlProvider locale="en"> |
| <HomePage |
| username="" |
| onChangeUsername={() => {}} |
| onSubmitForm={submitSpy} |
| /> |
| </IntlProvider> |
| </Provider>, |
| ); |
| expect(submitSpy).not.toHaveBeenCalled(); |
| }); |
|
|
| describe('mapDispatchToProps', () => { |
| describe('onChangeUsername', () => { |
| it('should be injected', () => { |
| const dispatch = jest.fn(); |
| const result = mapDispatchToProps(dispatch); |
| expect(result.onChangeUsername).toBeDefined(); |
| }); |
|
|
| it('should dispatch changeUsername when called', () => { |
| const dispatch = jest.fn(); |
| const result = mapDispatchToProps(dispatch); |
| const username = 'mxstbr'; |
| result.onChangeUsername({ target: { value: username } }); |
| expect(dispatch).toHaveBeenCalledWith(changeUsername(username)); |
| }); |
| }); |
|
|
| describe('onSubmitForm', () => { |
| it('should be injected', () => { |
| const dispatch = jest.fn(); |
| const result = mapDispatchToProps(dispatch); |
| expect(result.onSubmitForm).toBeDefined(); |
| }); |
|
|
| it('should dispatch loadRepos when called', () => { |
| const dispatch = jest.fn(); |
| const result = mapDispatchToProps(dispatch); |
| result.onSubmitForm(); |
| expect(dispatch).toHaveBeenCalledWith(loadRepos()); |
| }); |
|
|
| it('should preventDefault if called with event', () => { |
| const preventDefault = jest.fn(); |
| const result = mapDispatchToProps(() => {}); |
| const evt = { preventDefault }; |
| result.onSubmitForm(evt); |
| expect(preventDefault).toHaveBeenCalledWith(); |
| }); |
| }); |
| }); |
| }); |
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