Fixed #9638 - Added %(app_label)s to the related_name format string for abstract models.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@12139 bcc190cf-cafb-0310-a4f2-bffc1f526a37

tests/modeltests/model_inheritance_same_model_name/models.py

@@ -0,0 +1,19 @@
+"""
+XX. Model inheritance
+
+Model inheritance across apps can result in models with the same name resulting
+in the need for an %(app_label)s format string. This app specifically tests
+this feature by redefining the Copy model from model_inheritance/models.py
+"""
+
+from django.db import models
+from modeltests.model_inheritance.models import NamedURL
+
+#
+# Abstract base classes with related models
+#
+class Copy(NamedURL):
+    content = models.TextField()
+
+    def __unicode__(self):
+        return self.content

tests/modeltests/model_inheritance_same_model_name/tests.py

@@ -0,0 +1,32 @@
+from django.test import TestCase
+from modeltests.model_inheritance.models import Title
+
+class InheritanceSameModelNameTests(TestCase):
+
+    def setUp(self):
+        # The Title model has distinct accessors for both
+        # model_inheritance.Copy and model_inheritance_same_model_name.Copy
+        # models.
+        self.title = Title.objects.create(title='Lorem Ipsum')
+
+    def test_inheritance_related_name(self):
+        from modeltests.model_inheritance.models import Copy
+        self.assertEquals(
+            self.title.attached_model_inheritance_copy_set.create(
+                content='Save $ on V1agr@',
+                url='http://v1agra.com/',
+                title='V1agra is spam',
+            ), Copy.objects.get(content='Save $ on V1agr@'))
+
+    def test_inheritance_with_same_model_name(self):
+        from modeltests.model_inheritance_same_model_name.models import Copy
+        self.assertEquals(
+            self.title.attached_model_inheritance_same_model_name_copy_set.create(
+                content='The Web framework for perfectionists with deadlines.',
+                url='http://www.djangoproject.com/',
+                title='Django Rocks'
+            ), Copy.objects.get(content='The Web framework for perfectionists with deadlines.'))
+
+    def test_related_name_attribute_exists(self):
+        # The Post model doesn't have an attribute called 'attached_%(app_label)s_%(class)s_set'.
+        self.assertEqual(hasattr(self.title, 'attached_%(app_label)s_%(class)s_set'), False)