91 lines
2.7 KiB
JavaScript
91 lines
2.7 KiB
JavaScript
/* global fixture */
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import * as utils from '~/lib/utils/url_utility';
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import '~/pager';
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describe('pager', () => {
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const Pager = window.Pager;
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it('is defined on window', () => {
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expect(window.Pager).toBeDefined();
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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($, 'ajax');
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});
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afterEach(() => {
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window.history.replaceState({}, null, originalHref);
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});
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it('should use data-href attribute from list element', () => {
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const href = `${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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spyOn(utils, '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 = `${gl.TEST_HOST}/some_list?filter=test`;
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spyOn(utils, 'removeParams').and.returnValue(href);
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Pager.init();
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expect(utils.removeParams).toHaveBeenCalledWith(['limit', 'offset']);
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expect(Pager.url).toEqual(href);
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});
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});
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describe('getOld', () => {
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beforeEach(() => {
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setFixtures('<div class="content_list" data-href="/some_list"></div><div class="loading"></div>');
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Pager.init();
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});
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it('shows loader while loading next page', () => {
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spyOn(Pager.loading, 'show');
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Pager.getOld();
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expect(Pager.loading.show).toHaveBeenCalled();
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});
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it('hides loader on success', () => {
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spyOn($, 'ajax').and.callFake(options => options.success({}));
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spyOn(Pager.loading, 'hide');
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Pager.getOld();
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expect(Pager.loading.hide).toHaveBeenCalled();
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});
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it('hides loader on error', () => {
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spyOn($, 'ajax').and.callFake(options => options.error());
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spyOn(Pager.loading, 'hide');
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Pager.getOld();
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expect(Pager.loading.hide).toHaveBeenCalled();
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});
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it('sends request to url with offset and limit params', () => {
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spyOn($, 'ajax');
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Pager.offset = 100;
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Pager.limit = 20;
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Pager.getOld();
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const [{ data, url }] = $.ajax.calls.argsFor(0);
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expect(data).toBe('limit=20&offset=100');
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expect(url).toBe('/some_list');
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});
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});
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});
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