146 lines
3.4 KiB
JavaScript
146 lines
3.4 KiB
JavaScript
import $ from 'jquery';
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import MockAdapter from 'axios-mock-adapter';
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import axios from '~/lib/utils/axios_utils';
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import Pager from '~/pager';
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describe('pager', () => {
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let axiosMock;
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beforeEach(() => {
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axiosMock = new MockAdapter(axios);
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});
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afterEach(() => {
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axiosMock.restore();
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});
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describe('init', () => {
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const originalHref = window.location.href;
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beforeEach(() => {
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setFixtures('<div class="content_list"></div><div class="loading"></div>');
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spyOn($.fn, 'endlessScroll').and.stub();
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});
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afterEach(() => {
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window.history.replaceState({}, null, originalHref);
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});
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it('should use data-href attribute from list element', () => {
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const href = `${gl.TEST_HOST}/some_list.json`;
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setFixtures(`<div class="content_list" data-href="${href}"></div>`);
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Pager.init();
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expect(Pager.url).toBe(href);
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});
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it('should use current url if data-href attribute not provided', () => {
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const href = `${gl.TEST_HOST}/some_list`;
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spyOnDependency(Pager, 'removeParams').and.returnValue(href);
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Pager.init();
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expect(Pager.url).toBe(href);
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});
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it('should get initial offset from query parameter', () => {
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window.history.replaceState({}, null, '?offset=100');
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Pager.init();
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expect(Pager.offset).toBe(100);
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});
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it('keeps extra query parameters from url', () => {
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window.history.replaceState({}, null, '?filter=test&offset=100');
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const href = `${gl.TEST_HOST}/some_list?filter=test`;
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const removeParams = spyOnDependency(Pager, 'removeParams').and.returnValue(href);
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Pager.init();
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expect(removeParams).toHaveBeenCalledWith(['limit', 'offset']);
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expect(Pager.url).toEqual(href);
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});
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});
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describe('getOld', () => {
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const urlRegex = /(.*)some_list(.*)$/;
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function mockSuccess() {
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axiosMock.onGet(urlRegex).reply(200, {
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count: 0,
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html: '',
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});
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}
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function mockError() {
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axiosMock.onGet(urlRegex).networkError();
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}
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beforeEach(() => {
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setFixtures(
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'<div class="content_list" data-href="/some_list"></div><div class="loading"></div>',
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);
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spyOn(axios, 'get').and.callThrough();
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Pager.init();
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});
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it('shows loader while loading next page', done => {
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mockSuccess();
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spyOn(Pager.loading, 'show');
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Pager.getOld();
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setTimeout(() => {
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expect(Pager.loading.show).toHaveBeenCalled();
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done();
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});
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});
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it('hides loader on success', done => {
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mockSuccess();
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spyOn(Pager.loading, 'hide');
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Pager.getOld();
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setTimeout(() => {
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expect(Pager.loading.hide).toHaveBeenCalled();
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done();
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});
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});
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it('hides loader on error', done => {
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mockError();
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spyOn(Pager.loading, 'hide');
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Pager.getOld();
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setTimeout(() => {
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expect(Pager.loading.hide).toHaveBeenCalled();
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done();
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});
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});
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it('sends request to url with offset and limit params', done => {
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Pager.offset = 100;
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Pager.limit = 20;
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Pager.getOld();
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setTimeout(() => {
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const [url, params] = axios.get.calls.argsFor(0);
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expect(params).toEqual({
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params: {
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limit: 20,
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offset: 100,
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},
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});
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expect(url).toBe('/some_list');
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done();
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});
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});
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});
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});
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