From 63b66c0ee91cfa325e0bf06c9c4950f067eea067 Mon Sep 17 00:00:00 2001
From: Dariusz L <dl122@wp.pl>
Date: Sun, 2 Aug 2026 14:42:57 +0200
Subject: [PATCH] test(frontend): cover model URL parsing

---
 tests/test_url_utils.mjs | 74 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 tests/test_url_utils.mjs

diff --git a/tests/test_url_utils.mjs b/tests/test_url_utils.mjs
new file mode 100644
index 0000000..374ad54
--- /dev/null
+++ b/tests/test_url_utils.mjs
@@ -0,0 +1,74 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+
+import { getModelCardUrl, parseHuggingFaceFileUrl } from '../web/resolver/utils/url_utils.js';
+
+test('Hugging Face file URLs expose repository, revision, path, and filename', () => {
+  assert.deepEqual(
+    parseHuggingFaceFileUrl('https://www.huggingface.co/owner/repo/blob/main/folder/model%20file.safetensors'),
+    {
+      repo: 'owner/repo',
+      revision: 'main',
+      path: 'folder/model file.safetensors',
+      filename: 'model file.safetensors',
+    }
+  );
+  assert.deepEqual(
+    parseHuggingFaceFileUrl('https://huggingface.co/owner/repo/resolve/v1.0/model.safetensors'),
+    {
+      repo: 'owner/repo',
+      revision: 'v1.0',
+      path: 'model.safetensors',
+      filename: 'model.safetensors',
+    }
+  );
+});
+
+test('Hugging Face URL parsing rejects unsupported and malformed URLs', () => {
+  assert.equal(parseHuggingFaceFileUrl(''), null);
+  assert.equal(parseHuggingFaceFileUrl('https://example.com/owner/repo/blob/main/file'), null);
+  assert.equal(parseHuggingFaceFileUrl('https://huggingface.co/owner/repo/tree/main/file'), null);
+  assert.equal(parseHuggingFaceFileUrl('https://huggingface.co/owner/repo/blob/main'), null);
+  assert.equal(parseHuggingFaceFileUrl('https://huggingface.co/%E0%A4%A/owner/blob/main/file'), null);
+  assert.equal(parseHuggingFaceFileUrl('not a URL'), null);
+});
+
+test('model card URLs reconstruct direct Hugging Face downloads', () => {
+  assert.equal(
+    getModelCardUrl('https://huggingface.co/owner/repo/resolve/main/folder/model.safetensors'),
+    'https://huggingface.co/owner/repo/blob/main/folder/model.safetensors'
+  );
+  assert.equal(
+    getModelCardUrl('https://huggingface.co/owner/repo/resolve/v1.0/folder/model file.safetensors'),
+    'https://huggingface.co/owner/repo/blob/v1.0/folder/model%20file.safetensors'
+  );
+});
+
+test('model card URLs fall back to repository pages for generic Hugging Face URLs', () => {
+  assert.equal(
+    getModelCardUrl('https://huggingface.co/owner/repo'),
+    'https://huggingface.co/owner/repo'
+  );
+  assert.equal(
+    getModelCardUrl('https://huggingface.co/owner/repo/resolve/main'),
+    'https://huggingface.co/owner/repo'
+  );
+});
+
+test('model card URLs convert CivitAI download links to model pages', () => {
+  assert.equal(
+    getModelCardUrl('https://civitai.com/api/download/models/123456'),
+    'https://civitai.com/models/123456'
+  );
+  assert.equal(
+    getModelCardUrl('https://civitai.com/models/987654/version/2'),
+    'https://civitai.com/models/987654'
+  );
+});
+
+test('model card URL parsing returns null for unsupported or incomplete links', () => {
+  assert.equal(getModelCardUrl(null), null);
+  assert.equal(getModelCardUrl('https://example.com/model.safetensors'), null);
+  assert.equal(getModelCardUrl('https://civitai.com/api/download/models/no-id'), null);
+  assert.equal(getModelCardUrl('https://huggingface.co/not-a-repository'), null);
+});