/* global describe: true, test:true, expect:true */
import { locale } from '~/reducers/locale';
import { CHANGE_LOCALE } from '~/store/actionTypes';

describe('locale reducer', () => {
	test('CASE 1: should return initial state', () => {
		const expectedState = { locale: 'en' };
		expect(locale(undefined, { type: 'Default' }))
			.toEqual(expectedState);
	});

	test('CASE 2: should return correct state when action is `CHANGE_LOCALE`', () => {
		const expectedState = { locale: 'de' };
		expect(locale(undefined, { type: CHANGE_LOCALE, payload: { locale: 'de' } }))
			.toEqual(expectedState);
	});
});