From 1ba4f154d2ba06910cb8254d0bedce972e67cc3d Mon Sep 17 00:00:00 2001
From: saurabhsharma2u <41580629+saurabhsharma2u@users.noreply.github.com>
Date: Wed, 25 Feb 2026 14:23:08 +0000
Subject: [PATCH] test(core): add coverage for normalizeUrl error path

Add tests to verify that `normalizeUrl` returns null when invalid URLs are provided, ensuring the error handling block is correctly exercised. This covers cases where `new URL()` throws an error.
---
 plugins/core/tests/normalize.test.ts | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/plugins/core/tests/normalize.test.ts b/plugins/core/tests/normalize.test.ts
index f1bb9f8..6454da4 100644
--- a/plugins/core/tests/normalize.test.ts
+++ b/plugins/core/tests/normalize.test.ts
@@ -95,6 +95,12 @@ test('normalizeUrl: skip non-HTML assets', () => {
   expect(normalizeUrl('https://example.com/page', '')).toBe('https://example.com/page');
 });
 
+test('normalizeUrl: invalid URL', () => {
+  expect(normalizeUrl('/foo', '')).toBeNull();
+  expect(normalizeUrl('invalid-url', '')).toBeNull();
+  expect(normalizeUrl('/foo', 'invalid-base')).toBeNull();
+});
+
 test('normalizeUrl: return format', () => {
   const res = normalizeUrl('https://example.com/foo?a=1', '');
   expect(res).toBe('https://example.com/foo?a=1');