From 831597748ba812d0c0d2bc7909be7ee0804b3ce5 Mon Sep 17 00:00:00 2001
From: Ilija Tovilo <ilija.tovilo@me.com>
Date: Tue, 30 Sep 2025 16:35:52 +0200
Subject: [PATCH] Automatically skip tty tests if not on tty

See GH-19975
Closes GH-20013
---
 run-tests.php | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/run-tests.php b/run-tests.php
index d51ab99a205..8fb638ed3e8 100755
--- a/run-tests.php
+++ b/run-tests.php
@@ -651,6 +651,12 @@ function main(): void
         }
     }
 
+    if (!defined('STDIN') || !stream_isatty(STDIN)
+     || !defined('STDOUT') || !stream_isatty(STDOUT)
+     || !defined('STDERR') || !stream_isatty(STDERR)) {
+        $environment['SKIP_IO_CAPTURE_TESTS'] = '1';
+    }
+
     if ($selected_tests && count($test_files) === 0) {
         echo "No tests found.\n";
         return;