refactored the tests into a test project, made them python3 compatible, and added classifiers to setup.py for tested versions of python

Author: hwkns

.gitignore

@@ -1 +1,2 @@
-*.pyc
+*.pyc
+.idea/

.travis.yml

@@ -3,14 +3,29 @@ language: python
 python:
   - "2.6"
   - "2.7"
+  - "3.3"
+  - "3.4"
+  - "pypy"
 
 env:
-  - DJANGO=django==1.5.1 --use-mirrors
-  - DJANGO=django==1.4.5 --use-mirrors
+  - DJANGO="django>=1.4,<1.5"
+  - DJANGO="django>=1.5,<1.6"
+  - DJANGO="django>=1.6,<1.7"
+  - DJANGO="django>=1.7,<1.8"
 
 install:
   - pip install $DJANGO
+  - python setup.py install
 
 script:
-  - "python tests/runtests.py"
-  - "python tests/runtests_custom_user.py"
+  - "DJANGO_SETTINGS_MODULE=test_project.settings python test_project/manage.py test test_app"
+  - "if [ $DJANGO != 'django>=1.4,<1.5' ]; then DJANGO_SETTINGS_MODULE=test_project.custom_user_settings python test_project/manage.py test test_app_custom_user; fi"
+
+matrix:
+  exclude:
+    - python: "2.6"
+      env: DJANGO="django>=1.7,<1.8"
+    - python: "3.3"
+      env: DJANGO="django>=1.4,<1.5"
+    - python: "3.4"
+      env: DJANGO="django>=1.4,<1.5"

cached_auth/__init__.py

@@ -11,9 +11,9 @@
 
 try:
     from django.contrib.auth import get_user_model
-    User = get_user_model()
 except ImportError:
     from django.contrib.auth.models import User
+    get_user_model = lambda: User
 
 CACHE_KEY = 'cached_auth_middleware:%s'
 
@@ -50,7 +50,7 @@ def profile_preprocessor(user, request):
 
 
 def invalidate_cache(sender, instance, **kwargs):
-    if isinstance(instance, User):
+    if isinstance(instance, get_user_model()):
         key = CACHE_KEY % instance.id
     else:
         key = CACHE_KEY % instance.user_id
@@ -76,8 +76,8 @@ def get_cached_user(request):
 class Middleware(object):
 
     def __init__(self):
-        post_save.connect(invalidate_cache, sender=User)
-        post_delete.connect(invalidate_cache, sender=User)
+        post_save.connect(invalidate_cache, sender=get_user_model())
+        post_delete.connect(invalidate_cache, sender=get_user_model())
         if profile_model:
             post_save.connect(invalidate_cache, sender=profile_model)
             post_delete.connect(invalidate_cache, sender=profile_model)

setup.py

@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 from setuptools import setup
 
+
 setup(
     name='django-cached_authentication_middleware',
     version='0.2.0',
@@ -13,7 +14,7 @@
     long_description=open('README.rst').read(),
     zip_safe=False,
     include_package_data=True,
-    package_data = { '': ['README.rst'] },
+    package_data={'': ['README.rst']},
     install_requires=['django'],
     classifiers=[
         'Development Status :: 4 - Beta',
@@ -23,6 +24,14 @@
         'License :: OSI Approved :: MIT License',
         'Operating System :: OS Independent',
         'Programming Language :: Python',
+        'Programming Language :: Python :: 2',
+        'Programming Language :: Python :: 2.6',
+        'Programming Language :: Python :: 2.7',
+        'Programming Language :: Python :: 3',
+        'Programming Language :: Python :: 3.3',
+        'Programming Language :: Python :: 3.4',
+        'Programming Language :: Python :: Implementation :: CPython',
+        'Programming Language :: Python :: Implementation :: PyPy',
         'Topic :: Internet :: WWW/HTTP',
         'Topic :: Software Development :: Libraries :: Python Modules',
     ]

tests/custom_user/__init__.py renamed to test_project/__init__.py

@@ -0,0 +1,12 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+import sys
+
+
+if __name__ == '__main__':
+
+    from django.core.management import execute_from_command_line
+
+    execute_from_command_line(sys.argv)

test_project/manage.py

@@ -1,29 +1,37 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
 from django.core.cache import cache
 from django.core.urlresolvers import reverse
 from django.test import TestCase
 from django.test.client import Client
 from django.test.utils import override_settings
-from cached_auth import CACHE_KEY
-from django.conf import settings
 
 import cached_auth
 
 try:
     from django.contrib.auth import get_user_model
-    User = get_user_model()
 except ImportError:
     from django.contrib.auth.models import User
+    get_user_model = lambda: User
 
-
-def auth_preprocessor(user, request):
-    user.username = 'test_auth'
-    return user
+try:
+    # Python 3.4+ includes reload in importlib
+    from importlib import reload
+except ImportError:
+    try:
+        # Python 3.3 includes reload in imp
+        from imp import reload
+    except ImportError:
+        # Python 2 includes reload as a builtin
+        pass
 
 
 class MiddlewareTest(TestCase):
 
     def setUp(self):
-        self.user = User.objects.create_user(username='test', password='a')
+        user_model = get_user_model()
+        self.user = user_model.objects.create_user(username='test', password='a')
         self.user.is_superuser = True
         self.user.is_staff = True
         self.user.save()
@@ -32,13 +40,13 @@ def setUp(self):
     def test_anonymous(self):
         # Anonymous user doesn't cause cache to be set
         client = Client()
-        key = CACHE_KEY % self.user.id
+        key = cached_auth.CACHE_KEY % self.user.id
         client.get(reverse('admin:index'))
         self.assertEqual(cache.get(key), None)
 
     def test_cached_middleware(self):
         client = Client()
-        key = CACHE_KEY % self.user.id
+        key = cached_auth.CACHE_KEY % self.user.id
         self.assertEqual(cache.get(key), None)
 
         # Visiting admin causes the cache to be populated
@@ -56,11 +64,11 @@ def test_cached_middleware(self):
         self.user.delete()
         self.assertEqual(cache.get(key), None)
 
-    @override_settings(CACHED_AUTH_PREPROCESSOR='cached_auth.tests.auth_preprocessor')
+    @override_settings(CACHED_AUTH_PREPROCESSOR='test_project.utils.auth_preprocessor')
     def test_cached_auth_preprocessor_function(self):
         reload(cached_auth)
         client = Client()
-        key = CACHE_KEY % self.user.id
+        key = cached_auth.CACHE_KEY % self.user.id
         self.assertEqual(cache.get(key), None)
 
         client.login(username='test', password='a')