From 2e70e47912bcd262dab8cd334c5401a5bae318b9 Mon Sep 17 00:00:00 2001
From: Steffen Becker <stffn.becker@gmail.com>
Date: Mon, 10 Aug 2026 07:38:31 +0000
Subject: [PATCH] test: the parity runner can reuse a dev server already
 listening

PARITY_PORT points it at an existing npm run dev instead of starting a
second one on 5199.
---
 tests/render-parity/run.mjs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/render-parity/run.mjs b/tests/render-parity/run.mjs
index 88d78db..a8bd2ce 100644
--- a/tests/render-parity/run.mjs
+++ b/tests/render-parity/run.mjs
@@ -12,7 +12,7 @@ import { chromium } from 'playwright-core';
 const HERE = dirname(fileURLToPath(import.meta.url));
 const ROOT = resolve(HERE, '../..');
 const CHROME = process.env.PARITY_CHROME ?? newestChromium();
-const PORT = 5199;
+const PORT = +(process.env.PARITY_PORT ?? 5199);   // reuse a dev server already up
 const PAGE_GAP = 20;           // pageBreaks.ts
 const PT_MM = 25.4 / 72;
 const PX_MM = 25.4 / 96;