import AccessorUtilities from '~/lib/utils/accessor'; import SigninTabsMemoizer from '~/pages/sessions/new/signin_tabs_memoizer'; describe('SigninTabsMemoizer', () => { const fixtureTemplate = 'static/signin_tabs.html'; const tabSelector = 'ul.new-session-tabs'; const currentTabKey = 'current_signin_tab'; let memo; function createMemoizer() { memo = new SigninTabsMemoizer({ currentTabKey, tabSelector, }); return memo; } preloadFixtures(fixtureTemplate); beforeEach(() => { loadFixtures(fixtureTemplate); spyOn(AccessorUtilities, 'isLocalStorageAccessSafe').and.returnValue(true); }); it('does nothing if no tab was previously selected', () => { createMemoizer(); expect(document.querySelector(`${tabSelector} > li.active a`).getAttribute('href')).toEqual( '#ldap', ); }); it('shows last selected tab on boot', () => { createMemoizer().saveData('#ldap'); const fakeTab = { click: () => {}, }; spyOn(document, 'querySelector').and.returnValue(fakeTab); spyOn(fakeTab, 'click'); memo.bootstrap(); // verify that triggers click on the last selected tab expect(document.querySelector).toHaveBeenCalledWith(`${tabSelector} a[href="#ldap"]`); expect(fakeTab.click).toHaveBeenCalled(); }); it('clicks the first tab if value in local storage is bad', () => { createMemoizer().saveData('#bogus'); const fakeTab = { click: () => {}, }; spyOn(document, 'querySelector').and.callFake(selector => selector === `${tabSelector} a[href="#bogus"]` ? null : fakeTab, ); spyOn(fakeTab, 'click'); memo.bootstrap(); // verify that triggers click on stored selector and fallback expect(document.querySelector.calls.allArgs()).toEqual([ ['ul.new-session-tabs a[href="#bogus"]'], ['ul.new-session-tabs a'], ]); expect(fakeTab.click).toHaveBeenCalled(); }); it('saves last selected tab on change', () => { createMemoizer(); document.querySelector('a[href="#login-pane"]').click(); expect(memo.readData()).toEqual('#login-pane'); }); it('overrides last selected tab with hash tag when given', () => { window.location.hash = '#ldap'; createMemoizer(); expect(memo.readData()).toEqual('#ldap'); }); 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; SigninTabsMemoizer.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; SigninTabsMemoizer.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 = SigninTabsMemoizer.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 = SigninTabsMemoizer.prototype.readData.call(memo); }); it('should call .getItem and return the localStorage value', () => { expect(window.localStorage.getItem).toHaveBeenCalledWith(currentTabKey); expect(readData).toBe(itemValue); }); }); }); });