From c97aa7e1752f3075b07baf41511a2e23358a4378 Mon Sep 17 00:00:00 2001
From: Yurii Motov <yurii.motov.monte@gmail.com>
Date: Mon, 14 Sep 2026 20:49:05 +0200
Subject: [PATCH] Add test for empty SSE event

---
 tests/test_sse.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tests/test_sse.py b/tests/test_sse.py
index ed6dd79ac0..1bcb247912 100644
--- a/tests/test_sse.py
+++ b/tests/test_sse.py
@@ -396,6 +396,10 @@ def test_format_sse_event_splitlines_behavior_in_comment():
     assert format_sse_event(comment="hi\n") == b": hi\n: \n\n"
 
 
+def test_format_sse_event_without_fields():
+    assert format_sse_event() == b"\n"
+
+
 # default_response_class tests