Fixed #36127 -- Applied default empty display value to links otherwise containing only whitespace in admin.

1 files changed, 13 insertions, 0 deletions

diff --git a/tests/admin_utils/tests.py b/tests/admin_utils/tests.py
index 81c6f495f8..eced9d206e 100644
--- a/tests/admin_utils/tests.py
+++ b/tests/admin_utils/tests.py
@@ -313,6 +313,19 @@ class UtilsTests(SimpleTestCase):
                 display_value = display_for_value(value, self.empty_value)
                 self.assertEqual(display_value, self.empty_value)
 
+    def test_list_display_for_value_consecutive_whitespace(self):
+        cases = [
+            ("   ", "-empty-"),
+            ("        cheeze", "cheeze"),
+            ("pizza       ", "pizza"),
+            ("       chicken        ", "chicken"),
+            (mark_safe("  <em>soy chicken</em>  "), "  <em>soy chicken</em>  "),
+        ]
+        for value, expect_display_value in cases:
+            with self.subTest(value=value):
+                display_value = display_for_value(value, self.empty_value)
+                self.assertEqual(display_value, expect_display_value)
+
     def test_label_for_field(self):
         """
         Tests for label_for_field