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MealQuest/web/src/sw/worker.test.ts
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Integration fix 3: keep recipe_url out of dinner responses (Feature 12 review F1) (#97)
Co-authored-by: orchestrator-agent <20+orchestrator-agent@code.cubecraftcreations.com>
2026-10-06 21:22:56 -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 API cache's
// strategy, the font strategy's expiration, the font route's place ahead of
// the precache route and network-only requests left to the browser.
// src/sw.test.ts runs the worker's activation against mocked Cache Storage.
import { describe, expect, it } from 'vitest'
import source from '../sw.ts?raw'
describe('service worker source', () => {
it('serves the API cache with the strategy that marks cache fallbacks', () => {
expect(source).toContain('[cacheNames.api]: createApiStrategy(),')
})
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)
})
it('leaves network-only requests to the browser instead of answering them', () => {
// Chrome stalls a navigation whose Clear-Site-Data response (POST
// /auth/logout) the worker answered, so the worker must not match it.
expect(source).toMatch(
/function answered\(options: \{ request: Request; url: URL \}\): boolean \{\s*return routeOf\(options\)\.strategy !== 'network-only'/,
)
expect(source).toContain('registerRoute(answered, handle, method)')
expect(source).not.toContain('registerRoute(() => true')
})
it('activates a waiting worker when the update prompt sends SKIP_WAITING', () => {
expect(source).toMatch(
/self\.addEventListener\('message', \(event\) => \{\s*if \(event\.data\?\.type === 'SKIP_WAITING'\) void self\.skipWaiting\(\)/,
)
})
})