File size: 1,878 Bytes
1e92f2d |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 |
import React from 'react';
import { Provider } from 'react-redux';
import { browserHistory } from 'react-router-dom';
import { render } from 'react-testing-library';
import LocaleToggle, { mapDispatchToProps } from '../index';
import { changeLocale } from '../../LanguageProvider/actions';
import LanguageProvider from '../../LanguageProvider';
import configureStore from '../../../configureStore';
import { translationMessages } from '../../../i18n';
describe('<LocaleToggle />', () => {
let store;
beforeAll(() => {
store = configureStore({}, browserHistory);
});
it('should match the snapshot', () => {
const { container } = render(
<Provider store={store}>
<LanguageProvider messages={translationMessages}>
<LocaleToggle />
</LanguageProvider>
</Provider>,
);
expect(container.firstChild).toMatchSnapshot();
});
it('should present the default `en` english language option', () => {
const { container } = render(
<Provider store={store}>
<LanguageProvider messages={translationMessages}>
<LocaleToggle />
</LanguageProvider>
</Provider>,
);
expect(container.querySelector('option[value="en"]')).not.toBeNull();
});
describe('mapDispatchToProps', () => {
describe('onLocaleToggle', () => {
it('should be injected', () => {
const dispatch = jest.fn();
const result = mapDispatchToProps(dispatch);
expect(result.onLocaleToggle).toBeDefined();
});
it('should dispatch changeLocale when called', () => {
const dispatch = jest.fn();
const result = mapDispatchToProps(dispatch);
const locale = 'de';
const evt = { target: { value: locale } };
result.onLocaleToggle(evt);
expect(dispatch).toHaveBeenCalledWith(changeLocale(locale));
});
});
});
});
|