From ac51d95a07973fdf74f0253a07e038f646918b42 Mon Sep 17 00:00:00 2001 From: nilshah98 Date: Tue, 28 Nov 2023 07:53:21 +0530 Subject: [PATCH] test: added spec for captureServiceWorker --- packages/core/test/discovery.test.js | 64 ++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) diff --git a/packages/core/test/discovery.test.js b/packages/core/test/discovery.test.js index 490b8387a..eb70cc362 100644 --- a/packages/core/test/discovery.test.js +++ b/packages/core/test/discovery.test.js @@ -1970,4 +1970,68 @@ describe('Discovery', () => { }); }); }); + + describe('Service Worker =>', () => { + it('captures original request', async () => { + server.reply('/sw.js', () => [200, 'text/javascript', dedent` + const fetchUpstream = async(request) => { + return await fetch(request.clone()); + } + + self.addEventListener('fetch', (event) => { + const { request } = event + event.respondWith(fetchUpstream(request)); + }); + + self.addEventListener("activate", (event) => { + event.waitUntil(clients.claim()); + }); + `]); + + server.reply('/app.js', () => [200, 'text/javascript', dedent` + const registerServiceWorker = async () => { + await navigator.serviceWorker.register('sw.js',{ scope: './', }); + }; + + await registerServiceWorker(); + + // create and insert image element which will be intercepted and resolved by service worker + // adding a sleep of 1s for service worker to get activated + await new Promise(r => setTimeout(r, 1000)); + var img = document.createElement('img'); + img.id = 'injected-image'; + img.src = './img.gif'; + document.getElementById('container').appendChild(img); + `]); + + server.reply('/', () => [200, 'text/html', dedent` + +
+ + + `]); + + await percy.snapshot({ + name: 'first service worker snapshot', + url: 'http://localhost:8000', + waitForSelector: '#injected-image', + discovery: { + captureServiceWorker: true + } + }); + + await percy.idle(); + + let paths = server.requests.map(r => r[0]); + expect(paths).toContain('/img.gif'); + expect(captured).toContain(jasmine.arrayContaining([ + jasmine.objectContaining({ + id: sha256hash(pixel), + attributes: jasmine.objectContaining({ + 'resource-url': 'http://localhost:8000/img.gif' + }) + }) + ])); + }); + }); });