[1.11.x] Fixed #27897 -- Fixed crash with 'pk' in ModelAdmin.search_filters.

Backport of 6bc4ff36db0d85ac96ca91ae758159ee43836f86 from master

1 files changed, 15 insertions, 0 deletions

diff --git a/tests/admin_changelist/tests.py b/tests/admin_changelist/tests.py
index b2292a77a0..651bcdf475 100644
--- a/tests/admin_changelist/tests.py
+++ b/tests/admin_changelist/tests.py
@@ -445,6 +445,21 @@ class ChangeListTests(TestCase):
         # There's only one Concert instance
         self.assertEqual(cl.queryset.count(), 1)
 
+    def test_pk_in_search_fields(self):
+        band = Group.objects.create(name='The Hype')
+        Concert.objects.create(name='Woodstock', group=band)
+
+        m = ConcertAdmin(Concert, custom_site)
+        m.search_fields = ['group__pk']
+
+        request = self.factory.get('/concert/', data={SEARCH_VAR: band.pk})
+        cl = ChangeList(request, Concert, *get_changelist_args(m))
+        self.assertEqual(cl.queryset.count(), 1)
+
+        request = self.factory.get('/concert/', data={SEARCH_VAR: band.pk + 5})
+        cl = ChangeList(request, Concert, *get_changelist_args(m))
+        self.assertEqual(cl.queryset.count(), 0)
+
     def test_no_distinct_for_m2m_in_list_filter_without_params(self):
         """
         If a ManyToManyField is in list_filter but isn't in any lookup params,