Ticket #18583: 18583.diff

tests/regressiontests/queries/models.py

@@ -8 +8 @@
 from django.db import models
 from django.utils import six
 from django.utils.encoding import python_2_unicode_compatible
+from django.contrib.auth.models import Group
 
 
 class DumbCategory(models.Model):
@@ -454 +455 @@
 class Channel(models.Model):
     programs = models.ManyToManyField(Program)
     identifier = models.OneToOneField(Identifier)
+
+# Models for #19659
+@python_2_unicode_compatible
+class A(models.Model):
+    pass
+
+    def __str__(self):
+        return str(self.pk)
+
+@python_2_unicode_compatible
+class B(models.Model):
+    a = models.ForeignKey(A)
+
+    def __str__(self):
+        return str(self.pk)
+
+@python_2_unicode_compatible
+class C(models.Model):
+    b = models.ForeignKey(B)
+
+    def __str__(self):
+        return str(self.pk)
+
+@python_2_unicode_compatible
+class D(models.Model):
+    a = models.ForeignKey(A)
+    group = models.ForeignKey(Group)
+
+    def __str__(self):
+        return str(self.pk)

tests/regressiontests/queries/tests.py

@@ -17 +17 @@
 from django.utils import unittest
 from django.utils.datastructures import SortedDict
 
-from .models import (Annotation, Article, Author, Celebrity, Child, Cover,
-    Detail, DumbCategory, ExtraInfo, Fan, Item, LeafA, LoopX, LoopZ,
+from .models import (A, Annotation, Article, Author, B, C, Celebrity, Child,
+    Cover, D, Detail, DumbCategory, ExtraInfo, Fan, Group, Item, LeafA, LoopX, LoopZ,
     ManagedModel, Member, NamedCategory, Note, Number, Plaything, PointerA,
     Ranking, Related, Report, ReservedName, Tag, TvChef, Valid, X, Food, Eaten,
     Node, ObjectA, ObjectB, ObjectC, CategoryItem, SimpleCategory,
@@ -1113 +1113 @@
             ['<Report: r1>']
         )
 
+    def test_ticket19659(self):
+        foo = Group.objects.create(name='foo')
+        bar = Group.objects.create(name='bar')
+        baz = Group.objects.create(name='baz')
+        a1 = A.objects.create()
+        a2 = A.objects.create()
+        a3 = A.objects.create()
+        b1 = B.objects.create(a=a2)
+        b2 = B.objects.create(a=a1)
+        b3 = B.objects.create(a=a3)
+        c1 = C.objects.create(b=b3)
+        c2 = C.objects.create(b=b2)
+        c3 = C.objects.create(b=b1)
+        d1 = D.objects.create(a=a1, group=baz)
+        d2 = D.objects.create(a=a2, group=bar)
+        d3 = D.objects.create(a=a3, group=foo)
+        q = C.objects.exclude(b__a__d__group__in=[foo]).order_by('pk')
+        self.assertQuerysetEqual(q, ['<C: 2>', '<C: 3>'])
+        q = C.objects.exclude(b__a__d__group__in=[bar]).order_by('pk')
+        self.assertQuerysetEqual(q, ['<C: 1>', '<C: 2>'])
+        q = C.objects.exclude(b__a__d__group__in=[baz]).order_by('pk')
+        self.assertQuerysetEqual(q, ['<C: 1>', '<C: 3>'])
+
 
 class Queries2Tests(TestCase):
     def setUp(self):