debian-mirror-gitlab/spec/frontend/droplab/plugins/ajax_filter_spec.js
2021-03-11 19:13:27 +05:30

73 lines
1.9 KiB
JavaScript

import AjaxFilter from '~/droplab/plugins/ajax_filter';
import AjaxCache from '~/lib/utils/ajax_cache';
describe('AjaxFilter', () => {
let dummyConfig;
const dummyData = 'dummy data';
let dummyList;
beforeEach(() => {
dummyConfig = {
endpoint: 'dummy endpoint',
searchKey: 'dummy search key',
};
dummyList = {
data: [],
list: document.createElement('div'),
};
AjaxFilter.hook = {
config: {
AjaxFilter: dummyConfig,
},
list: dummyList,
};
});
describe('trigger', () => {
let ajaxSpy;
beforeEach(() => {
jest.spyOn(AjaxCache, 'retrieve').mockImplementation((url) => ajaxSpy(url));
jest.spyOn(AjaxFilter, '_loadData').mockImplementation(() => {});
dummyConfig.onLoadingFinished = jest.fn();
const dynamicList = document.createElement('div');
dynamicList.dataset.dynamic = true;
dummyList.list.appendChild(dynamicList);
});
it('calls onLoadingFinished after loading data', (done) => {
ajaxSpy = (url) => {
expect(url).toBe('dummy endpoint?dummy search key=');
return Promise.resolve(dummyData);
};
AjaxFilter.trigger()
.then(() => {
expect(dummyConfig.onLoadingFinished.mock.calls.length).toBe(1);
})
.then(done)
.catch(done.fail);
});
it('does not call onLoadingFinished if Ajax call fails', (done) => {
const dummyError = new Error('My dummy is sick! :-(');
ajaxSpy = (url) => {
expect(url).toBe('dummy endpoint?dummy search key=');
return Promise.reject(dummyError);
};
AjaxFilter.trigger()
.then(done.fail)
.catch((error) => {
expect(error).toBe(dummyError);
expect(dummyConfig.onLoadingFinished.mock.calls.length).toBe(0);
})
.then(done)
.catch(done.fail);
});
});
});