1/* 2 * Copyright (C) 2024 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16import {HttpClientModule} from '@angular/common/http'; 17import {ComponentFixture, TestBed} from '@angular/core/testing'; 18import {MatDialogModule} from '@angular/material/dialog'; 19import {MatIconModule} from '@angular/material/icon'; 20import {ShortcutsComponent} from './shortcuts_component'; 21 22describe('ShortcutsComponent', () => { 23 let fixture: ComponentFixture<ShortcutsComponent>; 24 let component: ShortcutsComponent; 25 let htmlElement: HTMLElement; 26 27 beforeEach(async () => { 28 await TestBed.configureTestingModule({ 29 imports: [MatIconModule, HttpClientModule, MatDialogModule], 30 declarations: [ShortcutsComponent], 31 }).compileComponents(); 32 fixture = TestBed.createComponent(ShortcutsComponent); 33 component = fixture.componentInstance; 34 htmlElement = fixture.nativeElement; 35 fixture.detectChanges(); 36 }); 37 38 it('can be created', () => { 39 expect(component).toBeTruthy(); 40 }); 41 42 it('renders key shortcuts', () => { 43 checkShortcuts('.key-shortcut', [ 44 ['zoom in'], 45 ['zoom out'], 46 ['slider left'], 47 ['slider right'], 48 ['previous'], 49 ['next'], 50 ]); 51 }); 52 53 it('renders pointer shortcuts', () => { 54 checkShortcuts('.pointer-shortcut', [ 55 ['right click', 'bookmarks'], 56 ['vertical scroll', 'zoom'], 57 ['horizontal scroll', 'move slider'], 58 ['vertical scroll', 'zoom'], 59 ]); 60 }); 61 62 function checkShortcuts( 63 shortcutsSelector: string, 64 expectedContent: string[][], 65 ) { 66 const shortcuts = htmlElement.querySelectorAll(shortcutsSelector); 67 expect(shortcuts.length).toEqual(expectedContent.length); 68 69 for (let i = 0; i < expectedContent.length; i++) { 70 expectedContent[i].forEach((s) => { 71 expect(shortcuts.item(i).textContent?.toLowerCase()).toContain(s); 72 }); 73 } 74 } 75}); 76