diff options
19 files changed, 684 insertions, 41 deletions
diff --git a/app/assets/javascripts/autosave.js b/app/assets/javascripts/autosave.js index 8630b18a73f..cfab6c40b34 100644 --- a/app/assets/javascripts/autosave.js +++ b/app/assets/javascripts/autosave.js @@ -1,8 +1,11 @@ /* eslint-disable func-names, space-before-function-paren, wrap-iife, no-param-reassign, quotes, prefer-template, no-var, one-var, no-unused-vars, one-var-declaration-per-line, no-void, consistent-return, no-empty, max-len */ +import AccessorUtilities from './lib/utils/accessor'; window.Autosave = (function() { function Autosave(field, key) { this.field = field; + this.isLocalStorageAvailable = AccessorUtilities.isLocalStorageAccessSafe(); + if (key.join != null) { key = key.join("/"); } @@ -17,16 +20,12 @@ window.Autosave = (function() { } Autosave.prototype.restore = function() { - var e, text; - if (window.localStorage == null) { - return; - } - try { - text = window.localStorage.getItem(this.key); - } catch (error) { - e = error; - return; - } + var text; + + if (!this.isLocalStorageAvailable) return; + + text = window.localStorage.getItem(this.key); + if ((text != null ? text.length : void 0) > 0) { this.field.val(text); } @@ -35,27 +34,22 @@ window.Autosave = (function() { Autosave.prototype.save = function() { var text; - if (window.localStorage == null) { - return; - } text = this.field.val(); - if ((text != null ? text.length : void 0) > 0) { - try { - return window.localStorage.setItem(this.key, text); - } catch (error) {} - } else { - return this.reset(); + + if (this.isLocalStorageAvailable && (text != null ? text.length : void 0) > 0) { + return window.localStorage.setItem(this.key, text); } + + return this.reset(); }; Autosave.prototype.reset = function() { - if (window.localStorage == null) { - return; - } - try { - return window.localStorage.removeItem(this.key); - } catch (error) {} + if (!this.isLocalStorageAvailable) return; + + return window.localStorage.removeItem(this.key); }; return Autosave; })(); + +export default window.Autosave; diff --git a/app/assets/javascripts/behaviors/gl_emoji/unicode_support_map.js b/app/assets/javascripts/behaviors/gl_emoji/unicode_support_map.js index aa522e20c36..257df55e54f 100644 --- a/app/assets/javascripts/behaviors/gl_emoji/unicode_support_map.js +++ b/app/assets/javascripts/behaviors/gl_emoji/unicode_support_map.js @@ -1,3 +1,5 @@ +import AccessorUtilities from '../../lib/utils/accessor'; + const unicodeSupportTestMap = { // man, student (emojione does not have any of these yet), http://emojipedia.org/emoji-zwj-sequences/ // occupationZwj: '\u{1F468}\u{200D}\u{1F393}', @@ -140,16 +142,25 @@ function generateUnicodeSupportMap(testMap) { function getUnicodeSupportMap() { let unicodeSupportMap; - const userAgentFromCache = window.localStorage.getItem('gl-emoji-user-agent'); + let userAgentFromCache; + + const isLocalStorageAvailable = AccessorUtilities.isLocalStorageAccessSafe(); + + if (isLocalStorageAvailable) userAgentFromCache = window.localStorage.getItem('gl-emoji-user-agent'); + try { unicodeSupportMap = JSON.parse(window.localStorage.getItem('gl-emoji-unicode-support-map')); } catch (err) { // swallow } + if (!unicodeSupportMap || userAgentFromCache !== navigator.userAgent) { unicodeSupportMap = generateUnicodeSupportMap(unicodeSupportTestMap); - window.localStorage.setItem('gl-emoji-user-agent', navigator.userAgent); - window.localStorage.setItem('gl-emoji-unicode-support-map', JSON.stringify(unicodeSupportMap)); + + if (isLocalStorageAvailable) { + window.localStorage.setItem('gl-emoji-user-agent', navigator.userAgent); + window.localStorage.setItem('gl-emoji-unicode-support-map', JSON.stringify(unicodeSupportMap)); + } } return unicodeSupportMap; diff --git a/app/assets/javascripts/filtered_search/components/recent_searches_dropdown_content.js b/app/assets/javascripts/filtered_search/components/recent_searches_dropdown_content.js index 9126422b335..15052dbd362 100644 --- a/app/assets/javascripts/filtered_search/components/recent_searches_dropdown_content.js +++ b/app/assets/javascripts/filtered_search/components/recent_searches_dropdown_content.js @@ -8,6 +8,11 @@ export default { type: Array, required: true, }, + isLocalStorageAvailable: { + type: Boolean, + required: false, + default: true, + }, }, computed: { @@ -47,7 +52,12 @@ export default { template: ` <div> - <ul v-if="hasItems"> + <div + v-if="!isLocalStorageAvailable" + class="dropdown-info-note"> + This feature requires local storage to be enabled + </div> + <ul v-else-if="hasItems"> <li v-for="(item, index) in processedItems" :key="index"> diff --git a/app/assets/javascripts/filtered_search/filtered_search_manager.js b/app/assets/javascripts/filtered_search/filtered_search_manager.js index b93a8f1d322..b55020912b6 100644 --- a/app/assets/javascripts/filtered_search/filtered_search_manager.js +++ b/app/assets/javascripts/filtered_search/filtered_search_manager.js @@ -1,5 +1,3 @@ -/* global Flash */ - import FilteredSearchContainer from './container'; import RecentSearchesRoot from './recent_searches_root'; import RecentSearchesStore from './stores/recent_searches_store'; @@ -16,7 +14,9 @@ import eventHub from './event_hub'; this.tokensContainer = this.container.querySelector('.tokens-container'); this.filteredSearchTokenKeys = gl.FilteredSearchTokenKeys; - this.recentSearchesStore = new RecentSearchesStore(); + this.recentSearchesStore = new RecentSearchesStore({ + isLocalStorageAvailable: RecentSearchesService.isAvailable(), + }); let recentSearchesKey = 'issue-recent-searches'; if (page === 'merge_requests') { recentSearchesKey = 'merge-request-recent-searches'; @@ -25,9 +25,10 @@ import eventHub from './event_hub'; // Fetch recent searches from localStorage this.fetchingRecentSearchesPromise = this.recentSearchesService.fetch() - .catch(() => { + .catch((error) => { + if (error.name === 'RecentSearchesServiceError') return undefined; // eslint-disable-next-line no-new - new Flash('An error occured while parsing recent searches'); + new window.Flash('An error occured while parsing recent searches'); // Gracefully fail to empty array return []; }) diff --git a/app/assets/javascripts/filtered_search/filtered_search_visual_tokens.js b/app/assets/javascripts/filtered_search/filtered_search_visual_tokens.js index a5657fc8720..64c5b50ca0c 100644 --- a/app/assets/javascripts/filtered_search/filtered_search_visual_tokens.js +++ b/app/assets/javascripts/filtered_search/filtered_search_visual_tokens.js @@ -177,6 +177,9 @@ class FilteredSearchVisualTokens { static moveInputToTheRight() { const input = FilteredSearchContainer.container.querySelector('.filtered-search'); + + if (!input) return; + const inputLi = input.parentElement; const tokenContainer = FilteredSearchContainer.container.querySelector('.tokens-container'); diff --git a/app/assets/javascripts/filtered_search/recent_searches_root.js b/app/assets/javascripts/filtered_search/recent_searches_root.js index 4e38409e12a..b2e6f63aacf 100644 --- a/app/assets/javascripts/filtered_search/recent_searches_root.js +++ b/app/assets/javascripts/filtered_search/recent_searches_root.js @@ -29,12 +29,15 @@ class RecentSearchesRoot { } render() { + const state = this.store.state; this.vm = new Vue({ el: this.wrapperElement, - data: this.store.state, + data() { return state; }, template: ` <recent-searches-dropdown-content - :items="recentSearches" /> + :items="recentSearches" + :is-local-storage-available="isLocalStorageAvailable" + /> `, components: { 'recent-searches-dropdown-content': RecentSearchesDropdownContent, diff --git a/app/assets/javascripts/filtered_search/services/recent_searches_service.js b/app/assets/javascripts/filtered_search/services/recent_searches_service.js index 3e402d5aed0..a056dea928d 100644 --- a/app/assets/javascripts/filtered_search/services/recent_searches_service.js +++ b/app/assets/javascripts/filtered_search/services/recent_searches_service.js @@ -1,9 +1,17 @@ +import RecentSearchesServiceError from './recent_searches_service_error'; +import AccessorUtilities from '../../lib/utils/accessor'; + class RecentSearchesService { constructor(localStorageKey = 'issuable-recent-searches') { this.localStorageKey = localStorageKey; } fetch() { + if (!RecentSearchesService.isAvailable()) { + const error = new RecentSearchesServiceError(); + return Promise.reject(error); + } + const input = window.localStorage.getItem(this.localStorageKey); let searches = []; @@ -19,8 +27,14 @@ class RecentSearchesService { } save(searches = []) { + if (!RecentSearchesService.isAvailable()) return; + window.localStorage.setItem(this.localStorageKey, JSON.stringify(searches)); } + + static isAvailable() { + return AccessorUtilities.isLocalStorageAccessSafe(); + } } export default RecentSearchesService; diff --git a/app/assets/javascripts/filtered_search/services/recent_searches_service_error.js b/app/assets/javascripts/filtered_search/services/recent_searches_service_error.js new file mode 100644 index 00000000000..5917b223d63 --- /dev/null +++ b/app/assets/javascripts/filtered_search/services/recent_searches_service_error.js @@ -0,0 +1,11 @@ +class RecentSearchesServiceError { + constructor(message) { + this.name = 'RecentSearchesServiceError'; + this.message = message || 'Recent Searches Service is unavailable'; + } +} + +// Can't use `extends` for builtin prototypes and get true inheritance yet +RecentSearchesServiceError.prototype = Error.prototype; + +export default RecentSearchesServiceError; diff --git a/app/assets/javascripts/lib/utils/accessor.js b/app/assets/javascripts/lib/utils/accessor.js new file mode 100644 index 00000000000..1d18992af63 --- /dev/null +++ b/app/assets/javascripts/lib/utils/accessor.js @@ -0,0 +1,47 @@ +function isPropertyAccessSafe(base, property) { + let safe; + + try { + safe = !!base[property]; + } catch (error) { + safe = false; + } + + return safe; +} + +function isFunctionCallSafe(base, functionName, ...args) { + let safe = true; + + try { + base[functionName](...args); + } catch (error) { + safe = false; + } + + return safe; +} + +function isLocalStorageAccessSafe() { + let safe; + + const TEST_KEY = 'isLocalStorageAccessSafe'; + const TEST_VALUE = 'true'; + + safe = isPropertyAccessSafe(window, 'localStorage'); + if (!safe) return safe; + + safe = isFunctionCallSafe(window.localStorage, 'setItem', TEST_KEY, TEST_VALUE); + + if (safe) window.localStorage.removeItem(TEST_KEY); + + return safe; +} + +const AccessorUtilities = { + isPropertyAccessSafe, + isFunctionCallSafe, + isLocalStorageAccessSafe, +}; + +export default AccessorUtilities; diff --git a/app/assets/javascripts/signin_tabs_memoizer.js b/app/assets/javascripts/signin_tabs_memoizer.js index d811d1cd53a..2587facc582 100644 --- a/app/assets/javascripts/signin_tabs_memoizer.js +++ b/app/assets/javascripts/signin_tabs_memoizer.js @@ -1,5 +1,7 @@ /* eslint no-param-reassign: ["error", { "props": false }]*/ /* eslint no-new: "off" */ +import AccessorUtilities from './lib/utils/accessor'; + ((global) => { /** * Memorize the last selected tab after reloading a page. @@ -9,6 +11,8 @@ constructor({ currentTabKey = 'current_signin_tab', tabSelector = 'ul.nav-tabs' } = {}) { this.currentTabKey = currentTabKey; this.tabSelector = tabSelector; + this.isLocalStorageAvailable = AccessorUtilities.isLocalStorageAccessSafe(); + this.bootstrap(); } @@ -37,11 +41,15 @@ } saveData(val) { - localStorage.setItem(this.currentTabKey, val); + if (!this.isLocalStorageAvailable) return undefined; + + return window.localStorage.setItem(this.currentTabKey, val); } readData() { - return localStorage.getItem(this.currentTabKey); + if (!this.isLocalStorageAvailable) return null; + + return window.localStorage.getItem(this.currentTabKey); } } diff --git a/spec/javascripts/autosave_spec.js b/spec/javascripts/autosave_spec.js new file mode 100644 index 00000000000..9f9acc392c2 --- /dev/null +++ b/spec/javascripts/autosave_spec.js @@ -0,0 +1,134 @@ +import Autosave from '~/autosave'; +import AccessorUtilities from '~/lib/utils/accessor'; + +describe('Autosave', () => { + let autosave; + + describe('class constructor', () => { + const key = 'key'; + const field = jasmine.createSpyObj('field', ['data', 'on']); + + beforeEach(() => { + spyOn(AccessorUtilities, 'isLocalStorageAccessSafe').and.returnValue(true); + spyOn(Autosave.prototype, 'restore'); + + autosave = new Autosave(field, key); + }); + + it('should set .isLocalStorageAvailable', () => { + expect(AccessorUtilities.isLocalStorageAccessSafe).toHaveBeenCalled(); + expect(autosave.isLocalStorageAvailable).toBe(true); + }); + }); + + describe('restore', () => { + const key = 'key'; + const field = jasmine.createSpyObj('field', ['trigger']); + + beforeEach(() => { + autosave = { + field, + key, + }; + + spyOn(window.localStorage, 'getItem'); + }); + + describe('if .isLocalStorageAvailable is `false`', () => { + beforeEach(() => { + autosave.isLocalStorageAvailable = false; + + Autosave.prototype.restore.call(autosave); + }); + + it('should not call .getItem', () => { + expect(window.localStorage.getItem).not.toHaveBeenCalled(); + }); + }); + + describe('if .isLocalStorageAvailable is `true`', () => { + beforeEach(() => { + autosave.isLocalStorageAvailable = true; + + Autosave.prototype.restore.call(autosave); + }); + + it('should call .getItem', () => { + expect(window.localStorage.getItem).toHaveBeenCalledWith(key); + }); + }); + }); + + describe('save', () => { + const field = jasmine.createSpyObj('field', ['val']); + + beforeEach(() => { + autosave = jasmine.createSpyObj('autosave', ['reset']); + autosave.field = field; + + field.val.and.returnValue('value'); + + spyOn(window.localStorage, 'setItem'); + }); + + describe('if .isLocalStorageAvailable is `false`', () => { + beforeEach(() => { + autosave.isLocalStorageAvailable = false; + + Autosave.prototype.save.call(autosave); + }); + + it('should not call .setItem', () => { + expect(window.localStorage.setItem).not.toHaveBeenCalled(); + }); + }); + + describe('if .isLocalStorageAvailable is `true`', () => { + beforeEach(() => { + autosave.isLocalStorageAvailable = true; + + Autosave.prototype.save.call(autosave); + }); + + it('should call .setItem', () => { + expect(window.localStorage.setItem).toHaveBeenCalled(); + }); + }); + }); + + describe('reset', () => { + const key = 'key'; + + beforeEach(() => { + autosave = { + key, + }; + + spyOn(window.localStorage, 'removeItem'); + }); + + describe('if .isLocalStorageAvailable is `false`', () => { + beforeEach(() => { + autosave.isLocalStorageAvailable = false; + + Autosave.prototype.reset.call(autosave); + }); + + it('should not call .removeItem', () => { + expect(window.localStorage.removeItem).not.toHaveBeenCalled(); + }); + }); + + describe('if .isLocalStorageAvailable is `true`', () => { + beforeEach(() => { + autosave.isLocalStorageAvailable = true; + + Autosave.prototype.reset.call(autosave); + }); + + it('should call .removeItem', () => { + expect(window.localStorage.removeItem).toHaveBeenCalledWith(key); + }); + }); + }); +}); diff --git a/spec/javascripts/behaviors/gl_emoji/unicode_support_map_spec.js b/spec/javascripts/behaviors/gl_emoji/unicode_support_map_spec.js new file mode 100644 index 00000000000..1ed96a67478 --- /dev/null +++ b/spec/javascripts/behaviors/gl_emoji/unicode_support_map_spec.js @@ -0,0 +1,47 @@ +import { getUnicodeSupportMap } from '~/behaviors/gl_emoji/unicode_support_map'; +import AccessorUtilities from '~/lib/utils/accessor'; + +describe('Unicode Support Map', () => { + describe('getUnicodeSupportMap', () => { + const stringSupportMap = 'stringSupportMap'; + + beforeEach(() => { + spyOn(AccessorUtilities, 'isLocalStorageAccessSafe'); + spyOn(window.localStorage, 'getItem'); + spyOn(window.localStorage, 'setItem'); + spyOn(JSON, 'parse'); + spyOn(JSON, 'stringify').and.returnValue(stringSupportMap); + }); + + describe('if isLocalStorageAvailable is `true`', function () { + beforeEach(() => { + AccessorUtilities.isLocalStorageAccessSafe.and.returnValue(true); + + getUnicodeSupportMap(); + }); + + it('should call .getItem and .setItem', () => { + const allArgs = window.localStorage.setItem.calls.allArgs(); + + expect(window.localStorage.getItem).toHaveBeenCalledWith('gl-emoji-user-agent'); + expect(allArgs[0][0]).toBe('gl-emoji-user-agent'); + expect(allArgs[0][1]).toBe(navigator.userAgent); + expect(allArgs[1][0]).toBe('gl-emoji-unicode-support-map'); + expect(allArgs[1][1]).toBe(stringSupportMap); + }); + }); + + describe('if isLocalStorageAvailable is `false`', function () { + beforeEach(() => { + AccessorUtilities.isLocalStorageAccessSafe.and.returnValue(false); + + getUnicodeSupportMap(); + }); + + it('should not call .getItem or .setItem', () => { + expect(window.localStorage.getItem.calls.count()).toBe(1); + expect(window.localStorage.setItem).not.toHaveBeenCalled(); + }); + }); + }); +}); diff --git a/spec/javascripts/filtered_search/components/recent_searches_dropdown_content_spec.js b/spec/javascripts/filtered_search/components/recent_searches_dropdown_content_spec.js index 2722882375f..d0f09a561d5 100644 --- a/spec/javascripts/filtered_search/components/recent_searches_dropdown_content_spec.js +++ b/spec/javascripts/filtered_search/components/recent_searches_dropdown_content_spec.js @@ -76,6 +76,26 @@ describe('RecentSearchesDropdownContent', () => { }); }); + describe('if isLocalStorageAvailable is `false`', () => { + let el; + + beforeEach(() => { + const props = Object.assign({ isLocalStorageAvailable: false }, propsDataWithItems); + + vm = createComponent(props); + el = vm.$el; + }); + + it('should render an info note', () => { + const note = el.querySelector('.dropdown-info-note'); + const items = el.querySelectorAll('.filtered-search-history-dropdown-item'); + + expect(note).toBeDefined(); + expect(note.innerText.trim()).toBe('This feature requires local storage to be enabled'); + expect(items.length).toEqual(propsDataWithoutItems.items.length); + }); + }); + describe('computed', () => { describe('processedItems', () => { it('with items', () => { diff --git a/spec/javascripts/filtered_search/filtered_search_manager_spec.js b/spec/javascripts/filtered_search/filtered_search_manager_spec.js index 97af681429b..2f2ead87495 100644 --- a/spec/javascripts/filtered_search/filtered_search_manager_spec.js +++ b/spec/javascripts/filtered_search/filtered_search_manager_spec.js @@ -1,3 +1,7 @@ +import * as recentSearchesStoreSrc from '~/filtered_search/stores/recent_searches_store'; +import RecentSearchesService from '~/filtered_search/services/recent_searches_service'; +import RecentSearchesServiceError from '~/filtered_search/services/recent_searches_service_error'; + require('~/lib/utils/url_utility'); require('~/lib/utils/common_utils'); require('~/filtered_search/filtered_search_token_keys'); @@ -57,6 +61,36 @@ const FilteredSearchSpecHelper = require('../helpers/filtered_search_spec_helper manager.cleanup(); }); + describe('class constructor', () => { + const isLocalStorageAvailable = 'isLocalStorageAvailable'; + let filteredSearchManager; + + beforeEach(() => { + spyOn(RecentSearchesService, 'isAvailable').and.returnValue(isLocalStorageAvailable); + spyOn(recentSearchesStoreSrc, 'default'); + + filteredSearchManager = new gl.FilteredSearchManager(); + + return filteredSearchManager; + }); + + it('should instantiate RecentSearchesStore with isLocalStorageAvailable', () => { + expect(RecentSearchesService.isAvailable).toHaveBeenCalled(); + expect(recentSearchesStoreSrc.default).toHaveBeenCalledWith({ + isLocalStorageAvailable, + }); + }); + + it('should not instantiate Flash if an RecentSearchesServiceError is caught', () => { + spyOn(RecentSearchesService.prototype, 'fetch').and.callFake(() => Promise.reject(new RecentSearchesServiceError())); + spyOn(window, 'Flash'); + + filteredSearchManager = new gl.FilteredSearchManager(); + + expect(window.Flash).not.toHaveBeenCalled(); + }); + }); + describe('search', () => { const defaultParams = '?scope=all&utf8=%E2%9C%93&state=opened'; diff --git a/spec/javascripts/filtered_search/recent_searches_root_spec.js b/spec/javascripts/filtered_search/recent_searches_root_spec.js new file mode 100644 index 00000000000..d8ba6de5f45 --- /dev/null +++ b/spec/javascripts/filtered_search/recent_searches_root_spec.js @@ -0,0 +1,31 @@ +import RecentSearchesRoot from '~/filtered_search/recent_searches_root'; +import * as vueSrc from 'vue'; + +describe('RecentSearchesRoot', () => { + describe('render', () => { + let recentSearchesRoot; + let data; + let template; + + beforeEach(() => { + recentSearchesRoot = { + store: { + state: 'state', + }, + }; + + spyOn(vueSrc, 'default').and.callFake((options) => { + data = options.data; + template = options.template; + }); + + RecentSearchesRoot.prototype.render.call(recentSearchesRoot); + }); + + it('should instantiate Vue', () => { + expect(vueSrc.default).toHaveBeenCalled(); + expect(data()).toBe(recentSearchesRoot.store.state); + expect(template).toContain(':is-local-storage-available="isLocalStorageAvailable"'); + }); + }); +}); diff --git a/spec/javascripts/filtered_search/services/recent_searches_service_error_spec.js b/spec/javascripts/filtered_search/services/recent_searches_service_error_spec.js new file mode 100644 index 00000000000..ea7c146fa4f --- /dev/null +++ b/spec/javascripts/filtered_search/services/recent_searches_service_error_spec.js @@ -0,0 +1,18 @@ +import RecentSearchesServiceError from '~/filtered_search/services/recent_searches_service_error'; + +describe('RecentSearchesServiceError', () => { + let recentSearchesServiceError; + + beforeEach(() => { + recentSearchesServiceError = new RecentSearchesServiceError(); + }); + + it('instantiates an instance of RecentSearchesServiceError and not an Error', () => { + expect(recentSearchesServiceError).toEqual(jasmine.any(RecentSearchesServiceError)); + expect(recentSearchesServiceError.name).toBe('RecentSearchesServiceError'); + }); + + it('should set a default message', () => { + expect(recentSearchesServiceError.message).toBe('Recent Searches Service is unavailable'); + }); +}); diff --git a/spec/javascripts/filtered_search/services/recent_searches_service_spec.js b/spec/javascripts/filtered_search/services/recent_searches_service_spec.js index 2a58fb3a7df..c64d4374680 100644 --- a/spec/javascripts/filtered_search/services/recent_searches_service_spec.js +++ b/spec/javascripts/filtered_search/services/recent_searches_service_spec.js @@ -1,4 +1,5 @@ import RecentSearchesService from '~/filtered_search/services/recent_searches_service'; +import AccessorUtilities from '~/lib/utils/accessor'; describe('RecentSearchesService', () => { let service; @@ -9,6 +10,10 @@ describe('RecentSearchesService', () => { }); describe('fetch', () => { + beforeEach(() => { + spyOn(RecentSearchesService, 'isAvailable').and.returnValue(true); + }); + it('should default to empty array', (done) => { const fetchItemsPromise = service.fetch(); @@ -27,11 +32,21 @@ describe('RecentSearchesService', () => { const fetchItemsPromise = service.fetch(); fetchItemsPromise - .catch(() => { + .catch((error) => { + expect(error).toEqual(jasmine.any(SyntaxError)); done(); }); }); + it('should reject when service is unavailable', (done) => { + RecentSearchesService.isAvailable.and.returnValue(false); + + service.fetch().catch((error) => { + expect(error).toEqual(jasmine.any(Error)); + done(); + }); + }); + it('should return items from localStorage', (done) => { window.localStorage.setItem(service.localStorageKey, '["foo", "bar"]'); const fetchItemsPromise = service.fetch(); @@ -42,15 +57,89 @@ describe('RecentSearchesService', () => { done(); }); }); + + describe('if .isAvailable returns `false`', () => { + beforeEach(() => { + RecentSearchesService.isAvailable.and.returnValue(false); + + spyOn(window.localStorage, 'getItem'); + + RecentSearchesService.prototype.fetch(); + }); + + it('should not call .getItem', () => { + expect(window.localStorage.getItem).not.toHaveBeenCalled(); + }); + }); }); describe('setRecentSearches', () => { + beforeEach(() => { + spyOn(RecentSearchesService, 'isAvailable').and.returnValue(true); + }); + it('should save things in localStorage', () => { const items = ['foo', 'bar']; service.save(items); - const newLocalStorageValue = - window.localStorage.getItem(service.localStorageKey); + const newLocalStorageValue = window.localStorage.getItem(service.localStorageKey); expect(JSON.parse(newLocalStorageValue)).toEqual(items); }); }); + + describe('save', () => { + beforeEach(() => { + spyOn(window.localStorage, 'setItem'); + spyOn(RecentSearchesService, 'isAvailable'); + }); + + describe('if .isAvailable returns `true`', () => { + const searchesString = 'searchesString'; + const localStorageKey = 'localStorageKey'; + const recentSearchesService = { + localStorageKey, + }; + + beforeEach(() => { + RecentSearchesService.isAvailable.and.returnValue(true); + + spyOn(JSON, 'stringify').and.returnValue(searchesString); + + RecentSearchesService.prototype.save.call(recentSearchesService); + }); + + it('should call .setItem', () => { + expect(window.localStorage.setItem).toHaveBeenCalledWith(localStorageKey, searchesString); + }); + }); + + describe('if .isAvailable returns `false`', () => { + beforeEach(() => { + RecentSearchesService.isAvailable.and.returnValue(false); + + RecentSearchesService.prototype.save(); + }); + + it('should not call .setItem', () => { + expect(window.localStorage.setItem).not.toHaveBeenCalled(); + }); + }); + }); + + describe('isAvailable', () => { + let isAvailable; + + beforeEach(() => { + spyOn(AccessorUtilities, 'isLocalStorageAccessSafe').and.callThrough(); + + isAvailable = RecentSearchesService.isAvailable(); + }); + + it('should call .isLocalStorageAccessSafe', () => { + expect(AccessorUtilities.isLocalStorageAccessSafe).toHaveBeenCalled(); + }); + + it('should return a boolean', () => { + expect(typeof isAvailable).toBe('boolean'); + }); + }); }); diff --git a/spec/javascripts/lib/utils/accessor_spec.js b/spec/javascripts/lib/utils/accessor_spec.js new file mode 100644 index 00000000000..b768d6f2a68 --- /dev/null +++ b/spec/javascripts/lib/utils/accessor_spec.js @@ -0,0 +1,78 @@ +import AccessorUtilities from '~/lib/utils/accessor'; + +describe('AccessorUtilities', () => { + const testError = new Error('test error'); + + describe('isPropertyAccessSafe', () => { + let base; + + it('should return `true` if access is safe', () => { + base = { testProp: 'testProp' }; + + expect(AccessorUtilities.isPropertyAccessSafe(base, 'testProp')).toBe(true); + }); + + it('should return `false` if access throws an error', () => { + base = { get testProp() { throw testError; } }; + + expect(AccessorUtilities.isPropertyAccessSafe(base, 'testProp')).toBe(false); + }); + + it('should return `false` if property is undefined', () => { + base = {}; + + expect(AccessorUtilities.isPropertyAccessSafe(base, 'testProp')).toBe(false); + }); + }); + + describe('isFunctionCallSafe', () => { + const base = {}; + + it('should return `true` if calling is safe', () => { + base.func = () => {}; + + expect(AccessorUtilities.isFunctionCallSafe(base, 'func')).toBe(true); + }); + + it('should return `false` if calling throws an error', () => { + base.func = () => { throw new Error('test error'); }; + + expect(AccessorUtilities.isFunctionCallSafe(base, 'func')).toBe(false); + }); + + it('should return `false` if function is undefined', () => { + base.func = undefined; + + expect(AccessorUtilities.isFunctionCallSafe(base, 'func')).toBe(false); + }); + }); + + describe('isLocalStorageAccessSafe', () => { + beforeEach(() => { + spyOn(window.localStorage, 'setItem'); + spyOn(window.localStorage, 'removeItem'); + }); + + it('should return `true` if access is safe', () => { + expect(AccessorUtilities.isLocalStorageAccessSafe()).toBe(true); + }); + + it('should return `false` if access to .setItem isnt safe', () => { + window.localStorage.setItem.and.callFake(() => { throw testError; }); + + expect(AccessorUtilities.isLocalStorageAccessSafe()).toBe(false); + }); + + it('should set a test item if access is safe', () => { + AccessorUtilities.isLocalStorageAccessSafe(); + + expect(window.localStorage.setItem).toHaveBeenCalledWith('isLocalStorageAccessSafe', 'true'); + }); + + it('should remove the test item if access is safe', () => { + AccessorUtilities.isLocalStorageAccessSafe(); + + expect(window.localStorage.removeItem).toHaveBeenCalledWith('isLocalStorageAccessSafe'); + }); + }); +}); diff --git a/spec/javascripts/signin_tabs_memoizer_spec.js b/spec/javascripts/signin_tabs_memoizer_spec.js index d83d9a57b42..5b4f5933b34 100644 --- a/spec/javascripts/signin_tabs_memoizer_spec.js +++ b/spec/javascripts/signin_tabs_memoizer_spec.js @@ -1,3 +1,5 @@ +import AccessorUtilities from '~/lib/utils/accessor'; + require('~/signin_tabs_memoizer'); ((global) => { @@ -19,6 +21,8 @@ require('~/signin_tabs_memoizer'); beforeEach(() => { loadFixtures(fixtureTemplate); + + spyOn(AccessorUtilities, 'isLocalStorageAccessSafe').and.returnValue(true); }); it('does nothing if no tab was previously selected', () => { @@ -49,5 +53,91 @@ require('~/signin_tabs_memoizer'); expect(memo.readData()).toEqual('#standard'); }); + + describe('class constructor', () => { + beforeEach(() => { + memo = createMemoizer(); + }); + + it('should set .isLocalStorageAvailable', () => { + expect(AccessorUtilities.isLocalStorageAccessSafe).toHaveBeenCalled(); + expect(memo.isLocalStorageAvailable).toBe(true); + }); + }); + + describe('saveData', () => { + beforeEach(() => { + memo = { + currentTabKey, + }; + + spyOn(localStorage, 'setItem'); + }); + + describe('if .isLocalStorageAvailable is `false`', () => { + beforeEach(function () { + memo.isLocalStorageAvailable = false; + + global.ActiveTabMemoizer.prototype.saveData.call(memo); + }); + + it('should not call .setItem', () => { + expect(localStorage.setItem).not.toHaveBeenCalled(); + }); + }); + + describe('if .isLocalStorageAvailable is `true`', () => { + const value = 'value'; + + beforeEach(function () { + memo.isLocalStorageAvailable = true; + + global.ActiveTabMemoizer.prototype.saveData.call(memo, value); + }); + + it('should call .setItem', () => { + expect(localStorage.setItem).toHaveBeenCalledWith(currentTabKey, value); + }); + }); + }); + + describe('readData', () => { + const itemValue = 'itemValue'; + let readData; + + beforeEach(() => { + memo = { + currentTabKey, + }; + + spyOn(localStorage, 'getItem').and.returnValue(itemValue); + }); + + describe('if .isLocalStorageAvailable is `false`', () => { + beforeEach(function () { + memo.isLocalStorageAvailable = false; + + readData = global.ActiveTabMemoizer.prototype.readData.call(memo); + }); + + it('should not call .getItem and should return `null`', () => { + expect(localStorage.getItem).not.toHaveBeenCalled(); + expect(readData).toBe(null); + }); + }); + + describe('if .isLocalStorageAvailable is `true`', () => { + beforeEach(function () { + memo.isLocalStorageAvailable = true; + + readData = global.ActiveTabMemoizer.prototype.readData.call(memo); + }); + + it('should call .getItem and return the localStorage value', () => { + expect(window.localStorage.getItem).toHaveBeenCalledWith(currentTabKey); + expect(readData).toBe(itemValue); + }); + }); + }); }); })(window); |