From 8db661b115044ccdd9ccb51c8662a8f7f8b1d513 Mon Sep 17 00:00:00 2001
From: Maxr1998 <max.rumpf1998@gmail.com>
Date: Wed, 16 Jul 2025 21:41:29 +0200
Subject: [PATCH] Add test

---
 test/test_plugins.py | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/test/test_plugins.py b/test/test_plugins.py
index 207522430..d9da17e61 100644
--- a/test/test_plugins.py
+++ b/test/test_plugins.py
@@ -94,6 +94,20 @@ class ItemTypesTest(PluginLoaderTestCase):
         out = self.run_with_output("ls", "rating:3..5")
         assert "aaa" not in out
 
+    def test_multi_value_flex_field_type(self):
+        class MultiValuePlugin(plugins.BeetsPlugin):
+            item_types = {"multi_value": types.MULTI_VALUE_DSV}
+
+        self.register_plugin(MultiValuePlugin)
+
+        item = Item(path="apath", artist="aaa")
+        item.multi_value = ["one", "two", "three"]
+        item.add(self.lib)
+
+        out = self.run_with_output("ls", "-f", "$multi_value")
+        delimiter = types.MULTI_VALUE_DSV.delimiter
+        assert out == f"one{delimiter}two{delimiter}three\n"
+
 
 class ItemWriteTest(PluginLoaderTestCase):
     def setUp(self):