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kochwas/tests/unit/cache-strategy.test.ts
hsiegeln d38992661c
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feat(pwa): Cache-Strategy-Entscheider + Unit-Tests
Reine TS-Funktion resolveStrategy({url, method}) → 'shell' | 'swr'
| 'images' | 'network-only'. Kernregel:
  - Schreib-Methoden + import/preview/search/web → network-only
  - /images/* → images (cache-first)
  - /_app/, manifest, Icons, favicon, robots → shell (cache-first)
  - Alles andere same-origin-GET → swr
7 Tests decken alle Buckets ab. Wird vom SW in Task 8 aufgerufen.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-04-18 16:32:30 +02:00

42 lines
2.0 KiB
TypeScript

import { describe, it, expect } from 'vitest';
import { resolveStrategy } from '../../src/lib/sw/cache-strategy';
describe('resolveStrategy', () => {
it('images bucket for /images/*', () => {
expect(resolveStrategy({ url: '/images/favicon-abc.png', method: 'GET' })).toBe('images');
});
it('swr for recipe HTML pages', () => {
expect(resolveStrategy({ url: '/recipes/42', method: 'GET' })).toBe('swr');
});
it('swr for recipe API reads', () => {
expect(resolveStrategy({ url: '/api/recipes/42', method: 'GET' })).toBe('swr');
expect(resolveStrategy({ url: '/api/recipes/all?sort=name', method: 'GET' })).toBe('swr');
expect(resolveStrategy({ url: '/api/wishlist', method: 'GET' })).toBe('swr');
});
it('network-only for write methods', () => {
expect(resolveStrategy({ url: '/api/recipes/42', method: 'PATCH' })).toBe('network-only');
expect(resolveStrategy({ url: '/api/recipes/42/favorite', method: 'PUT' })).toBe('network-only');
expect(resolveStrategy({ url: '/api/wishlist', method: 'POST' })).toBe('network-only');
});
it('network-only for online-only endpoints even on GET', () => {
expect(resolveStrategy({ url: '/api/recipes/import', method: 'GET' })).toBe('network-only');
expect(resolveStrategy({ url: '/api/recipes/preview?url=x', method: 'GET' })).toBe('network-only');
expect(resolveStrategy({ url: '/api/recipes/search/web?q=x', method: 'GET' })).toBe('network-only');
});
it('shell bucket for build/static assets', () => {
expect(resolveStrategy({ url: '/_app/immutable/chunks/x.js', method: 'GET' })).toBe('shell');
expect(resolveStrategy({ url: '/icon-192.png', method: 'GET' })).toBe('shell');
expect(resolveStrategy({ url: '/manifest.webmanifest', method: 'GET' })).toBe('shell');
});
it('falls through to swr for other same-origin GETs (e.g. root page)', () => {
expect(resolveStrategy({ url: '/', method: 'GET' })).toBe('swr');
expect(resolveStrategy({ url: '/wishlist', method: 'GET' })).toBe('swr');
});
});