148 lines
4.1 KiB
JavaScript
148 lines
4.1 KiB
JavaScript
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/* eslint-disable promise/catch-or-return */
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import RecentSearchesService from '~/filtered_search/services/recent_searches_service';
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import AccessorUtilities from '~/lib/utils/accessor';
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describe('RecentSearchesService', () => {
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let service;
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beforeEach(() => {
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service = new RecentSearchesService();
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window.localStorage.removeItem(service.localStorageKey);
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});
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describe('fetch', () => {
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beforeEach(() => {
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spyOn(RecentSearchesService, 'isAvailable').and.returnValue(true);
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});
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it('should default to empty array', (done) => {
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const fetchItemsPromise = service.fetch();
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fetchItemsPromise
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.then((items) => {
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expect(items).toEqual([]);
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done();
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})
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.catch((err) => {
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done.fail('Shouldn\'t reject with empty localStorage key', err);
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});
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});
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it('should reject when unable to parse', (done) => {
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window.localStorage.setItem(service.localStorageKey, 'fail');
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const fetchItemsPromise = service.fetch();
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fetchItemsPromise
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.catch((error) => {
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expect(error).toEqual(jasmine.any(SyntaxError));
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done();
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});
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});
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it('should reject when service is unavailable', (done) => {
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RecentSearchesService.isAvailable.and.returnValue(false);
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service.fetch().catch((error) => {
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expect(error).toEqual(jasmine.any(Error));
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done();
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});
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});
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it('should return items from localStorage', (done) => {
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window.localStorage.setItem(service.localStorageKey, '["foo", "bar"]');
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const fetchItemsPromise = service.fetch();
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fetchItemsPromise
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.then((items) => {
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expect(items).toEqual(['foo', 'bar']);
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done();
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});
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});
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describe('if .isAvailable returns `false`', () => {
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beforeEach(() => {
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RecentSearchesService.isAvailable.and.returnValue(false);
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spyOn(window.localStorage, 'getItem');
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RecentSearchesService.prototype.fetch();
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});
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it('should not call .getItem', () => {
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expect(window.localStorage.getItem).not.toHaveBeenCalled();
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});
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});
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});
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describe('setRecentSearches', () => {
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beforeEach(() => {
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spyOn(RecentSearchesService, 'isAvailable').and.returnValue(true);
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});
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it('should save things in localStorage', () => {
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const items = ['foo', 'bar'];
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service.save(items);
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const newLocalStorageValue = window.localStorage.getItem(service.localStorageKey);
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expect(JSON.parse(newLocalStorageValue)).toEqual(items);
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});
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});
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describe('save', () => {
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beforeEach(() => {
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spyOn(window.localStorage, 'setItem');
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spyOn(RecentSearchesService, 'isAvailable');
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});
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describe('if .isAvailable returns `true`', () => {
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const searchesString = 'searchesString';
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const localStorageKey = 'localStorageKey';
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const recentSearchesService = {
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localStorageKey,
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};
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beforeEach(() => {
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RecentSearchesService.isAvailable.and.returnValue(true);
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spyOn(JSON, 'stringify').and.returnValue(searchesString);
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RecentSearchesService.prototype.save.call(recentSearchesService);
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});
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it('should call .setItem', () => {
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expect(window.localStorage.setItem).toHaveBeenCalledWith(localStorageKey, searchesString);
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});
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});
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describe('if .isAvailable returns `false`', () => {
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beforeEach(() => {
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RecentSearchesService.isAvailable.and.returnValue(false);
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RecentSearchesService.prototype.save();
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});
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it('should not call .setItem', () => {
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expect(window.localStorage.setItem).not.toHaveBeenCalled();
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});
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});
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});
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describe('isAvailable', () => {
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let isAvailable;
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beforeEach(() => {
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spyOn(AccessorUtilities, 'isLocalStorageAccessSafe').and.callThrough();
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isAvailable = RecentSearchesService.isAvailable();
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});
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it('should call .isLocalStorageAccessSafe', () => {
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expect(AccessorUtilities.isLocalStorageAccessSafe).toHaveBeenCalled();
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});
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it('should return a boolean', () => {
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expect(typeof isAvailable).toBe('boolean');
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});
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});
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});
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