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MealQuest/web/src/sw/worker.test.ts
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Service worker caching strategy (#51)
Co-authored-by: dev_agent <dev_agent@cubecraftlabs.com>
Co-committed-by: dev_agent <dev_agent@cubecraftlabs.com>
2026-10-04 16:36:43 -04:00

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// The service worker itself needs worker globals, so these tests read its
// source: they pin the parts routes.ts cannot express — the font strategy's
// expiration and the font route's place ahead of the precache route.
import { describe, expect, it } from 'vitest'
import source from '../sw.ts?raw'
describe('service worker source', () => {
it('gives the fonts cache a CacheFirst strategy with an expiration plugin', () => {
expect(source).toMatch(
/\[cacheNames\.fonts\]: new CacheFirst\(\{\s*cacheName: cacheNames\.fonts,\s*plugins: \[\s*new ExpirationPlugin\(\{ maxEntries: \d+, maxAgeSeconds: [^}]+\}\)/,
)
})
it('falls back to the precached font when the network fails', () => {
expect(source).toContain('handlerDidError: async ({ request }) => matchPrecache(request.url)')
})
it('registers the font route before the precache route', () => {
const fontRoute = source.indexOf("registerRoute(isFont, handle, 'GET')")
const precache = source.indexOf('precacheAndRoute(self.__WB_MANIFEST)')
expect(fontRoute).toBeGreaterThanOrEqual(0)
expect(precache).toBeGreaterThan(fontRoute)
})
})