|  | import { expect } from 'chai'; | 
|  | import { | 
|  | loadCachedTestBed, | 
|  | takeScreenshot, | 
|  | TestBed, | 
|  | } from '../../../puppeteer-tests/util'; | 
|  |  | 
|  | describe('json-source-sk', () => { | 
|  | let testBed: TestBed; | 
|  | before(async () => { | 
|  | testBed = await loadCachedTestBed(); | 
|  | }); | 
|  |  | 
|  | beforeEach(async () => { | 
|  | await testBed.page.goto(testBed.baseUrl); | 
|  | await testBed.page.setViewport({ width: 600, height: 600 }); | 
|  | }); | 
|  |  | 
|  | it('should render the demo page', async () => { | 
|  | // Smoke test. | 
|  | expect(await testBed.page.$$('json-source-sk')).to.have.length(3); | 
|  | }); | 
|  |  | 
|  | describe('screenshots', () => { | 
|  | it('shows the default view', async () => { | 
|  | await takeScreenshot(testBed.page, 'perf', 'json-source-sk'); | 
|  | }); | 
|  | }); | 
|  | }); |