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import { setHTMLFixture, resetHTMLFixture } from 'helpers/fixtures';
import * as UserApi from '~/api/user_api';
import {
openUserCountsBroadcast,
closeUserCountsBroadcast,
refreshUserMergeRequestCounts,
} from '~/commons/nav/user_merge_requests';
jest.mock('~/api');
const TEST_COUNT = 1000;
const MR_COUNT_CLASS = 'js-merge-requests-count';
describe('User Merge Requests', () => {
let channelMock;
let newBroadcastChannelMock;
beforeEach(() => {
jest.spyOn(document, 'dispatchEvent').mockReturnValue(false);
global.gon.current_user_id = 123;
global.gon.use_new_navigation = false;
channelMock = {
postMessage: jest.fn(),
close: jest.fn(),
};
newBroadcastChannelMock = jest.fn().mockImplementation(() => channelMock);
global.BroadcastChannel = newBroadcastChannelMock;
setHTMLFixture(
`<div><div class="${MR_COUNT_CLASS}">0</div><div class="js-assigned-mr-count"></div><div class="js-reviewer-mr-count"></div></div>`,
);
});
afterEach(() => {
resetHTMLFixture();
});
const findMRCountText = () => document.body.querySelector(`.${MR_COUNT_CLASS}`).textContent;
describe('refreshUserMergeRequestCounts', () => {
beforeEach(() => {
jest.spyOn(UserApi, 'getUserCounts').mockResolvedValue({
data: {
assigned_merge_requests: TEST_COUNT,
review_requested_merge_requests: TEST_COUNT,
},
});
});
describe('with open broadcast channel', () => {
beforeEach(() => {
openUserCountsBroadcast();
return refreshUserMergeRequestCounts();
});
it('updates the top count of merge requests', () => {
expect(findMRCountText()).toEqual(Number(TEST_COUNT + TEST_COUNT).toLocaleString());
});
it('calls the API', () => {
expect(UserApi.getUserCounts).toHaveBeenCalled();
});
it('posts count to BroadcastChannel', () => {
expect(channelMock.postMessage).toHaveBeenCalledWith(TEST_COUNT + TEST_COUNT);
});
});
describe('without open broadcast channel', () => {
beforeEach(() => refreshUserMergeRequestCounts());
it('does not post anything', () => {
expect(channelMock.postMessage).not.toHaveBeenCalled();
});
});
it('does not emit event to refetch counts', () => {
expect(document.dispatchEvent).not.toHaveBeenCalled();
});
});
describe('openUserCountsBroadcast', () => {
beforeEach(() => {
openUserCountsBroadcast();
});
it('creates BroadcastChannel that updates DOM on message received', () => {
expect(findMRCountText()).toEqual('0');
channelMock.onmessage({ data: TEST_COUNT });
expect(newBroadcastChannelMock).toHaveBeenCalled();
expect(findMRCountText()).toEqual(TEST_COUNT.toLocaleString());
});
it('closes if called while already open', () => {
expect(channelMock.close).not.toHaveBeenCalled();
openUserCountsBroadcast();
expect(newBroadcastChannelMock).toHaveBeenCalled();
expect(channelMock.close).toHaveBeenCalled();
});
});
describe('closeUserCountsBroadcast', () => {
describe('when not opened', () => {
it('does nothing', () => {
expect(channelMock.close).not.toHaveBeenCalled();
});
});
describe('when opened', () => {
beforeEach(() => {
openUserCountsBroadcast();
});
it('closes', () => {
expect(channelMock.close).not.toHaveBeenCalled();
closeUserCountsBroadcast();
expect(channelMock.close).toHaveBeenCalled();
});
});
});
describe('if new navigation is enabled', () => {
beforeEach(() => {
global.gon.use_new_navigation = true;
jest.spyOn(UserApi, 'getUserCounts');
});
it('openUserCountsBroadcast is a noop', () => {
openUserCountsBroadcast();
expect(newBroadcastChannelMock).not.toHaveBeenCalled();
});
describe('refreshUserMergeRequestCounts', () => {
it('does not call api', async () => {
await refreshUserMergeRequestCounts();
expect(UserApi.getUserCounts).not.toHaveBeenCalled();
});
it('emits event to refetch counts', async () => {
await refreshUserMergeRequestCounts();
expect(document.dispatchEvent).toHaveBeenCalledWith(new CustomEvent('todo:toggle'));
});
});
});
});
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