Add support of django 1.7 and python2 in admin tests

Author: Anton Prokhorov

polymorphic_tree/tests/test_admin.py

@@ -1,11 +1,17 @@
 from unittest import TestCase
-from unittest.mock import MagicMock
+
+import sys
 
 from django.contrib.admin import AdminSite
 
 from polymorphic_tree.tests.admin import TreeNodeParentAdmin
 from polymorphic_tree.tests.models import ModelWithCustomParentName
 
+if sys.version_info[0] == 3:
+ from unittest.mock import MagicMock
+else:
+ from mock import MagicMock
+
 
 class PolymorphicAdminTests(TestCase):
  """Tests for admin"""
@@ -33,5 +39,7 @@ def test_make_child2_child_child1(self):
  'position': 'inside'
  }
  self.parent_admin.api_node_moved_view(request)
- self.child2.refresh_from_db()
+ # Analog of self.child2.refresh_from_db()
+ # This hack used for django 1.7 support
+ self.child2 = ModelWithCustomParentName.objects.get(pk=self.child2.pk)
  self.assertEqual(self.child2.chief, self.child1)

tox.ini

@@ -21,6 +21,8 @@ deps =
  django19: django-mptt >= 0.8.0
  django110: Django >= 1.10, < 1.11
  django110: django-mptt >= 0.8.6
+ py26: mock
+ py27: mock
  django-dev: https://github.com/django/django/tarball/master
 commands=
  python runtests.py