Release 0.5.1

src/lib/server/presentation.spec.ts

@@ -0,0 +1,61 @@
+import { describe, expect, it } from 'vitest';
+import {
+	buildEmbedUrl,
+	detectVideoProvider,
+	extractMetadataFromHtml,
+	fetchPresentationMetadata
+} from './presentation.js';
+
+describe('presentation metadata and providers', () => {
+	it('recognizes supported YouTube URL forms and creates privacy-enhanced embeds with start time', () => {
+		for (const url of [
+			'https://www.youtube.com/watch?v=dQw4w9WgXcQ',
+			'https://youtu.be/dQw4w9WgXcQ',
+			'https://www.youtube.com/shorts/dQw4w9WgXcQ',
+			'https://youtube.com/live/dQw4w9WgXcQ'
+		]) {
+			expect(detectVideoProvider(url)).toEqual({ provider: 'youtube', id: 'dQw4w9WgXcQ' });
+		}
+		expect(buildEmbedUrl('youtube', 'dQw4w9WgXcQ', 75)).toBe(
+			'https://www.youtube-nocookie.com/embed/dQw4w9WgXcQ?start=75'
+		);
+		expect(detectVideoProvider('https://evil.example/watch?v=dQw4w9WgXcQ')).toBeNull();
+		expect(detectVideoProvider('https://youtube.com/watch?v=invalid')).toBeNull();
+	});
+
+	it('recognizes canonical TikTok videos without inventing a start parameter', () => {
+		expect(
+			detectVideoProvider('https://www.tiktok.com/@scout2015/video/6718335390845095173')
+		).toEqual({ provider: 'tiktok', id: '6718335390845095173' });
+		expect(buildEmbedUrl('tiktok', '6718335390845095173', 90)).toBe(
+			'https://www.tiktok.com/player/v1/6718335390845095173?autoplay=0&controls=1'
+		);
+	});
+
+	it('extracts generic metadata from local HTML and tolerates a missing image', async () => {
+		const metadata = await extractMetadataFromHtml(
+			`<!doctype html><html><head>
+				<meta property="og:title" content="Lokale Vorschau">
+				<meta property="og:description" content="Ein kurzer Anreißer">
+				<meta property="og:site_name" content="Testseite">
+			</head></html>`,
+			'https://example.com/artikel'
+		);
+		expect(metadata).toMatchObject({
+			title: 'Lokale Vorschau',
+			description: 'Ein kurzer Anreißer',
+			imageUrl: '',
+			siteName: 'Testseite'
+		});
+	});
+
+	it('rejects malformed and private metadata targets before a network request', async () => {
+		await expect(fetchPresentationMetadata('keine-url')).rejects.toThrow('FETCH_INVALID_URL');
+		await expect(fetchPresentationMetadata('http://127.0.0.1/private')).rejects.toThrow(
+			'FETCH_BLOCKED'
+		);
+		await expect(fetchPresentationMetadata('http://[::1]/private')).rejects.toThrow(
+			'FETCH_BLOCKED'
+		);
+	});
+});