svelte-i18n/test/runtime/includes/utils.test.ts

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import {
getLocaleFromQueryString,
getLocaleFromHash,
getLocaleFromNavigator,
getLocaleFromPathname,
getLocaleFromHostname,
} from '../../../src/runtime/includes/localeGetters';
describe('getting client locale', () => {
beforeEach(() => {
delete window.location;
window.location = {
pathname: '/',
hostname: 'example.com',
hash: '',
search: '',
} as any;
});
it('gets the locale based on the passed hash parameter', () => {
window.location.hash = '#locale=en-US&lang=pt-BR';
expect(getLocaleFromHash('lang')).toBe('pt-BR');
});
it('gets the locale based on the passed search parameter', () => {
window.location.search = '?locale=en-US&lang=pt-BR';
expect(getLocaleFromQueryString('lang')).toBe('pt-BR');
});
it('gets the locale based on the navigator language', () => {
expect(getLocaleFromNavigator()).toBe(window.navigator.language);
});
it('gets the locale based on the pathname', () => {
window.location.pathname = '/en-US/foo/';
expect(getLocaleFromPathname(/^\/(.*?)\//)).toBe('en-US');
});
it('gets the locale base on the hostname', () => {
window.location.hostname = 'pt.example.com';
expect(getLocaleFromHostname(/^(.*?)\./)).toBe('pt');
});
it('returns null if no locale was found', () => {
expect(getLocaleFromQueryString('lang')).toBeNull();
});
});