first commit

2026-08-13 18:36:31 +09:00
commit cee36bf12d
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+import assert from 'node:assert/strict';
+import test from 'node:test';
+import {
+  canonicalSourceUrl,
+  detectPlatform,
+  extractInstagramShortcode,
+  extractYouTubeId,
+} from '../src/utils/url.js';
+
+test('지원 URL의 플랫폼과 source ID를 판별한다', () => {
+  assert.equal(detectPlatform('https://youtu.be/dQw4w9WgXcQ'), 'youtube');
+  assert.equal(extractYouTubeId('https://www.youtube.com/shorts/dQw4w9WgXcQ'), 'dQw4w9WgXcQ');
+  assert.equal(detectPlatform('https://www.instagram.com/reel/Db137BuzUJe/'), 'instagram');
+  assert.equal(extractInstagramShortcode('https://www.instagram.com/p/Db137BuzUJe/'), 'Db137BuzUJe');
+});
+
+test('source URL에서 추적 파라미터를 제거해 정규화한다', () => {
+  assert.equal(
+    canonicalSourceUrl('https://www.youtube.com/watch?v=dQw4w9WgXcQ&utm_source=x'),
+    'https://www.youtube.com/watch?v=dQw4w9WgXcQ',
+  );
+  assert.equal(
+    canonicalSourceUrl('https://www.instagram.com/p/Db137BuzUJe/?igsh=abc'),
+    'https://www.instagram.com/p/Db137BuzUJe/',
+  );
+});
+
+test('HTTP 및 지원하지 않는 host를 거부한다', () => {
+  assert.throws(() => detectPlatform('http://youtube.com/watch?v=dQw4w9WgXcQ'), /HTTPS/);
+  assert.equal(detectPlatform('https://example.com/recipe'), 'unsupported');
+  assert.throws(
+    () => extractYouTubeId('https://youtube.com.evil.example/watch?v=dQw4w9WgXcQ'),
+    /지원하지 않는 YouTube URL/,
+  );
+});
+