Ticket #10977: 10977_test.diff

tests/regressiontests/queries/tests.py

@@ -1812 +1812 @@
             2500
         )
 
-class UnionTests(unittest.TestCase):
+class UnionTests(BaseQuerysetTest):
     """
     Tests for the union of two querysets. Bug #12252.
     """
@@ -1870 +1870 @@
         Q1 = Q(objecta__name='one', objectc__objecta__name='two')
         Q2 = Q(objecta__objectc__name='ein', objectc__objecta__name='three', objecta__objectb__name='trois')
         self.check_union(ObjectB, Q1, Q2)
+    
+    def test_10977(self):
+        qs1 = ObjectB.objects.all()
+        qs2 = ObjectB.objects.filter(
+            Q(objecta__objectc__name='ein') |
+            Q(objecta__objectc__name='ein')
+        )
+        
+        self.assertQuerysetEqual(qs1 & qs2, ['<ObjectB: trois>'])