From e02607d5a5dbaeb1d452ed11dced97a973580f97 Mon Sep 17 00:00:00 2001
From: naoNao89 <90588855+naoNao89@users.noreply.github.com>
Date: Fri, 12 Dec 2025 03:36:54 +0700
Subject: [PATCH] test(tail): fix flaky test_follow_name_multiple on macOS

Increase timeout from 500ms to 1300ms on macOS to account for file system
caching delays when reading redirected output from temp files.
---
 tests/by-util/test_tail.rs | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/tests/by-util/test_tail.rs b/tests/by-util/test_tail.rs
index 3f6455c21b2..c99569c270f 100644
--- a/tests/by-util/test_tail.rs
+++ b/tests/by-util/test_tail.rs
@@ -597,10 +597,17 @@ fn test_follow_name_multiple() {
             .arg(FOOBAR_2_TXT)
             .run_no_wait();
 
+        // On macOS, file system caching can cause delays before output written
+        // to a redirected stdout temp file becomes visible to other file handles.
+        #[cfg(target_os = "macos")]
+        let initial_delay = 1300;
+        #[cfg(not(target_os = "macos"))]
+        let initial_delay = 500;
+
         child
-            .make_assertion_with_delay(500)
+            .make_assertion_with_delay(initial_delay)
             .is_alive()
-            .with_current_output()
+            .with_all_output()
             .stdout_only_fixture("foobar_follow_multiple.expected");
 
         let first_append = "trois\n";