From 34538f696f130e310610e589e93c7785446be997 Mon Sep 17 00:00:00 2001
From: 69049ed6x <69049ed6x@users.noreply.github.com>
Date: Sat, 7 Mar 2026 19:08:19 +0800
Subject: [PATCH] test: cover empty string factor conditions

---
 tests/test_factor_rules.py | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/tests/test_factor_rules.py b/tests/test_factor_rules.py
index 5be363aa..95ab1fba 100644
--- a/tests/test_factor_rules.py
+++ b/tests/test_factor_rules.py
@@ -318,6 +318,15 @@ class FactorRulesPathTests(unittest.TestCase):
 
         self.assertIn("- Conditions: ('threshold', 5)", summary)
 
+    def test_summarize_factor_rules_preserves_empty_string_condition_entries(self):
+        summary = summarize_factor_rules(
+            [{"name": "Carry", "signal": "neutral", "conditions": ["", "fallback"]}],
+            ticker="IEF",
+            trade_date="2026-03-07",
+        )
+
+        self.assertIn("- Conditions: ; fallback", summary)
+
     def test_summarize_factor_rules_preserves_empty_string_condition(self):
         summary = summarize_factor_rules(
             [{"name": "Carry", "signal": "neutral", "conditions": [""]}],