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5 tsc-Errors „Property 'preconnect' is missing in type Mock". Bun's `typeof fetch` deklariert eine `preconnect(url, options)`-Methode, vitests `vi.fn()`-Mock hat die nicht. Cast über `unknown` umgeht den strikten Type-Check, ohne den Mock künstlich aufzublähen. - makeFetch() bekommt `typeof globalThis.fetch` als Return-Type - direkter inline-vi.fn().mockRejectedValue() cast'd am Use-Site - 6/6 Tests grün Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
115 lines
3.2 KiB
TypeScript
115 lines
3.2 KiB
TypeScript
import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
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import { fetchUrlContent } from '../src/lib/url-fetch.ts';
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function makeFetch(
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responses: Array<{ ok: boolean; json?: () => Promise<unknown>; text?: () => Promise<string> }>,
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): typeof globalThis.fetch {
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let call = 0;
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const fn = vi.fn(async () => {
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const r = responses[Math.min(call++, responses.length - 1)];
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return r as unknown as Response;
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});
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// Bun's `typeof fetch` includes a `preconnect`-method that vi.fn()
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// doesn't have. Cast über `unknown` umgeht den strikten Type-Check.
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return fn as unknown as typeof globalThis.fetch;
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}
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describe('fetchUrlContent', () => {
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let originalFetch: typeof globalThis.fetch;
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beforeEach(() => {
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originalFetch = globalThis.fetch;
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});
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afterEach(() => {
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globalThis.fetch = originalFetch;
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vi.restoreAllMocks();
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});
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it('returns mana-search markdown when available', async () => {
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globalThis.fetch = makeFetch([
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{
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ok: true,
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json: async () => ({
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success: true,
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content: { title: 'Test Page', markdown: '# Test\nContent here' },
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}),
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},
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]);
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const result = await fetchUrlContent('https://example.com');
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expect(result).toContain('# Test Page');
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expect(result).toContain('Content here');
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});
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it('falls back to direct fetch when mana-search fails', async () => {
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globalThis.fetch = makeFetch([
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{ ok: false, json: async () => ({ success: false }) },
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{
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ok: true,
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text: async () => '<html><body><p>Direct content</p></body></html>',
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},
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]);
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const result = await fetchUrlContent('https://example.com');
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expect(result).toContain('Direct content');
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});
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it('strips HTML tags in direct fetch fallback', async () => {
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globalThis.fetch = makeFetch([
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{ ok: false, json: async () => ({ success: false }) },
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{
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ok: true,
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text: async () => '<html><head><style>body{}</style></head><body><script>alert(1)</script><p>Clean text</p></body></html>',
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},
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]);
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const result = await fetchUrlContent('https://example.com');
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expect(result).toContain('Clean text');
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expect(result).not.toContain('<p>');
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expect(result).not.toContain('alert(1)');
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expect(result).not.toContain('body{}');
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});
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it('returns null when mana-search returns no content and direct fetch fails', async () => {
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globalThis.fetch = vi
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.fn()
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.mockRejectedValue(new Error('Network error')) as unknown as typeof globalThis.fetch;
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const result = await fetchUrlContent('https://example.com');
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expect(result).toBeNull();
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});
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it('returns null when mana-search returns empty content and direct fetch returns empty', async () => {
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globalThis.fetch = makeFetch([
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{
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ok: true,
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json: async () => ({ success: true, content: { markdown: ' ' } }),
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},
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{
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ok: true,
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text: async () => ' ',
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},
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]);
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const result = await fetchUrlContent('https://example.com');
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expect(result).toBeNull();
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});
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it('truncates content to 8000 characters max', async () => {
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const longContent = 'A'.repeat(9000);
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globalThis.fetch = makeFetch([
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{
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ok: true,
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json: async () => ({
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success: true,
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content: { markdown: longContent },
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}),
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},
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]);
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const result = await fetchUrlContent('https://example.com');
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expect(result).not.toBeNull();
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expect(result!.length).toBeLessThanOrEqual(8000);
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});
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});
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