gitlab-org--gitlab-foss/spec/frontend/whats_new/utils/notification_spec.js

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import { loadHTMLFixture, resetHTMLFixture } from 'helpers/fixtures';
import { useLocalStorageSpy } from 'helpers/local_storage_helper';
import { setNotification, getVersionDigest } from '~/whats_new/utils/notification';
describe('~/whats_new/utils/notification', () => {
useLocalStorageSpy();
let wrapper;
const findNotificationEl = () => wrapper.querySelector('.header-help');
const findNotificationCountEl = () => wrapper.querySelector('.js-whats-new-notification-count');
const getAppEl = () => wrapper.querySelector('.app');
beforeEach(() => {
loadHTMLFixture('static/whats_new_notification.html');
wrapper = document.querySelector('.whats-new-notification-fixture-root');
});
afterEach(() => {
wrapper.remove();
resetHTMLFixture();
});
describe('setNotification', () => {
const subject = () => setNotification(getAppEl());
it("when storage key doesn't exist it adds notifications class", () => {
const notificationEl = findNotificationEl();
expect(notificationEl.classList).not.toContain('with-notifications');
subject();
expect(findNotificationCountEl()).not.toBe(null);
expect(notificationEl.classList).toContain('with-notifications');
});
it('removes class and count element when storage key has current digest', () => {
const notificationEl = findNotificationEl();
notificationEl.classList.add('with-notifications');
localStorage.setItem('display-whats-new-notification', 'version-digest');
expect(findNotificationCountEl()).not.toBe(null);
subject();
expect(findNotificationCountEl()).toBe(null);
expect(notificationEl.classList).not.toContain('with-notifications');
});
});
describe('getVersionDigest', () => {
it('retrieves the storage key data attribute from the el', () => {
expect(getVersionDigest(getAppEl())).toBe('version-digest');
});
});
});