Fixes #14543 -- ContentTypes tests failing if auth app is not installed. Thanks for the work on the patch, sayane and crayz_train.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@16101 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/contrib/contenttypes/tests.py

@@ -1,11 +1,33 @@
+import urllib
 from django import db
 from django.conf import settings
 from django.contrib.contenttypes.models import ContentType
 from django.contrib.sites.models import Site
 from django.contrib.contenttypes.views import shortcut
-from django.core.exceptions import ObjectDoesNotExist
-from django.http import HttpRequest
+from django.http import HttpRequest, Http404
 from django.test import TestCase
+from django.db import models
+from django.utils.encoding import smart_str
+
+
+class FooWithoutUrl(models.Model):
+    """
+    Fake model not defining ``get_absolute_url`` for
+    :meth:`ContentTypesTests.test_shortcut_view_without_get_absolute_url`"""
+    name = models.CharField(max_length=30, unique=True)
+
+    def __unicode__(self):
+        return self.name
+
+
+class FooWithUrl(FooWithoutUrl):
+    """
+    Fake model defining ``get_absolute_url`` for
+    :meth:`ContentTypesTests.test_shortcut_view`
+    """
+
+    def get_absolute_url(self):
+        return "/users/%s/" % urllib.quote(smart_str(self.name))
 
 
 class ContentTypesTests(TestCase):
@@ -58,9 +80,8 @@ class ContentTypesTests(TestCase):
             "SERVER_NAME": "Example.com",
             "SERVER_PORT": "80",
         }
-        from django.contrib.auth.models import User
-        user_ct = ContentType.objects.get_for_model(User)
-        obj = User.objects.create(username="john")
+        user_ct = ContentType.objects.get_for_model(FooWithUrl)
+        obj = FooWithUrl.objects.create(name="john")
 
         if Site._meta.installed:
             current_site = Site.objects.get_current()
@@ -72,3 +93,19 @@ class ContentTypesTests(TestCase):
         response = shortcut(request, user_ct.id, obj.id)
         self.assertEqual("http://Example.com/users/john/",
                          response._headers.get("location")[1])
+
+    def test_shortcut_view_without_get_absolute_url(self):
+        """
+        Check that the shortcut view (used for the admin "view on site"
+        functionality) returns 404 when get_absolute_url is not defined.
+        """
+
+        request = HttpRequest()
+        request.META = {
+            "SERVER_NAME": "Example.com",
+            "SERVER_PORT": "80",
+        }
+        user_ct = ContentType.objects.get_for_model(FooWithoutUrl)
+        obj = FooWithoutUrl.objects.create(name="john")
+
+        self.assertRaises(Http404, shortcut, request, user_ct.id, obj.id)