Ticket #9023: 9023-test.diff

tests/regressiontests/model_regress/tests.py

@@ +1 @@
+from django.test import TestCase
+
+class OneToOneDeletion(TestCase):
+    """Regression test for #9023"""
+
+    def setUp(self):
+        from models import Ticket9023Widget, Ticket9023Sprocket
+        self.w = Ticket9023Widget(name="Some Widget")
+        self.w.save()
+        self.s = Ticket9023Sprocket(name="Some Sprocket")
+        self.s.w = self.w
+        self.s.save()
+
+    def testNullAndDelete(self):
+        from models import Ticket9023Widget, Ticket9023Sprocket
+        self.assertEqual(Ticket9023Widget.objects.all().count(), 1)
+        self.assertEqual(Ticket9023Sprocket.objects.all().count(), 1)
+
+        self.s.w = None
+        self.s.save()
+        self.w.delete()
+
+        self.assertEqual(Ticket9023Widget.objects.all().count(), 0)
+        self.assertEqual(Ticket9023Sprocket.objects.all().count(), 1)
+
+    def testNullAccessAndDelete(self):
+        from models import Ticket9023Widget, Ticket9023Sprocket
+        self.assertEqual(Ticket9023Widget.objects.all().count(), 1)
+        self.assertEqual(Ticket9023Sprocket.objects.all().count(), 1)
+
+        self.w.sprocket.name
+        self.s.w = None
+        self.s.save()
+        self.w.delete()
+
+        self.assertEqual(Ticket9023Widget.objects.all().count(), 0)
+        self.assertEqual(Ticket9023Sprocket.objects.all().count(), 1)
+
+    def tearDown(self):
+        from models import Ticket9023Widget, Ticket9023Sprocket
+        Ticket9023Widget.objects.all().delete()
+        Ticket9023Sprocket.objects.all().delete()
+

tests/regressiontests/model_regress/models.py

@@ -58 +58 @@
         # object).
         return 'Názov: %s' % self.name
 
+class Ticket9023Widget(models.Model):
+    name = models.CharField(max_length=10)
 
+class Ticket9023Sprocket(models.Model):
+    name = models.CharField(max_length=10)
+    w = models.OneToOneField(Ticket9023Widget, null=True, blank=True,
+        related_name='sprocket')
+
 __test__ = {'API_TESTS': """
 (NOTE: Part of the regression test here is merely parsing the model
 declaration. The verbose_name, in particular, did not always work.)
@@ -146 +153 @@
 >>> b.save()
 >>> BrokenUnicodeMethod.objects.all()
 [<BrokenUnicodeMethod: [Bad Unicode data]>]
-
 """}
 
 if settings.DATABASE_ENGINE not in ("mysql", "oracle"):
@@ -167 +173 @@
 1
 
 """
-