cards/apps/api/tests/lib-url-fetch.test.ts
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test(api): Unit-Tests für makeInitialReviewRows und fetchUrlContent
- lib-reviews.test.ts: 5 Tests — subIndex-Count, userId/cardId, leere
  Input-Liste, Initialzustand (reps=0, lapses=0), due ist Date
- lib-url-fetch.test.ts: 6 Tests — mana-search Pfad, Fallback auf
  direktes Fetch, HTML-Stripping, Network-Fehler, leerer Content,
  Truncation auf 8000 Zeichen

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-05-10 16:40:30 +02:00

108 lines
3 KiB
TypeScript

import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
import { fetchUrlContent } from '../src/lib/url-fetch.ts';
function makeFetch(responses: Array<{ ok: boolean; json?: () => Promise<unknown>; text?: () => Promise<string> }>) {
let call = 0;
return vi.fn(async () => {
const r = responses[Math.min(call++, responses.length - 1)];
return r as unknown as Response;
});
}
describe('fetchUrlContent', () => {
let originalFetch: typeof globalThis.fetch;
beforeEach(() => {
originalFetch = globalThis.fetch;
});
afterEach(() => {
globalThis.fetch = originalFetch;
vi.restoreAllMocks();
});
it('returns mana-search markdown when available', async () => {
globalThis.fetch = makeFetch([
{
ok: true,
json: async () => ({
success: true,
content: { title: 'Test Page', markdown: '# Test\nContent here' },
}),
},
]);
const result = await fetchUrlContent('https://example.com');
expect(result).toContain('# Test Page');
expect(result).toContain('Content here');
});
it('falls back to direct fetch when mana-search fails', async () => {
globalThis.fetch = makeFetch([
{ ok: false, json: async () => ({ success: false }) },
{
ok: true,
text: async () => '<html><body><p>Direct content</p></body></html>',
},
]);
const result = await fetchUrlContent('https://example.com');
expect(result).toContain('Direct content');
});
it('strips HTML tags in direct fetch fallback', async () => {
globalThis.fetch = makeFetch([
{ ok: false, json: async () => ({ success: false }) },
{
ok: true,
text: async () => '<html><head><style>body{}</style></head><body><script>alert(1)</script><p>Clean text</p></body></html>',
},
]);
const result = await fetchUrlContent('https://example.com');
expect(result).toContain('Clean text');
expect(result).not.toContain('<p>');
expect(result).not.toContain('alert(1)');
expect(result).not.toContain('body{}');
});
it('returns null when mana-search returns no content and direct fetch fails', async () => {
globalThis.fetch = vi.fn().mockRejectedValue(new Error('Network error'));
const result = await fetchUrlContent('https://example.com');
expect(result).toBeNull();
});
it('returns null when mana-search returns empty content and direct fetch returns empty', async () => {
globalThis.fetch = makeFetch([
{
ok: true,
json: async () => ({ success: true, content: { markdown: ' ' } }),
},
{
ok: true,
text: async () => ' ',
},
]);
const result = await fetchUrlContent('https://example.com');
expect(result).toBeNull();
});
it('truncates content to 8000 characters max', async () => {
const longContent = 'A'.repeat(9000);
globalThis.fetch = makeFetch([
{
ok: true,
json: async () => ({
success: true,
content: { markdown: longContent },
}),
},
]);
const result = await fetchUrlContent('https://example.com');
expect(result).not.toBeNull();
expect(result!.length).toBeLessThanOrEqual(8000);
});
});