implemented per user throttling

(commit to permissions.py fixes a bug that came out of the unittest)

djangorestframework/tests/throttling.py

@@ -4,6 +4,7 @@ from django.conf.urls.defaults import patterns
 from django.test import TestCase
 from django.utils import simplejson as json
 from django.contrib.auth.models import User
+from django.core.cache import cache
 
 from djangorestframework.compat import RequestFactory
 from djangorestframework.views import View
@@ -25,7 +26,8 @@ class ThrottlingTests(TestCase):
     urls = 'djangorestframework.tests.throttling'   
     
     def setUp(self):
-        time.sleep(1) # make sure throttle is expired before next test        
+        """Reset the cache so that no throttles will be active"""
+        cache.clear()
         
     def test_requests_are_throttled(self):
         """Ensure request rate is limited"""
@@ -34,17 +36,19 @@ class ThrottlingTests(TestCase):
         response = self.client.get('/')
         self.assertEqual(503, response.status_code)
         
-    def DISABLEDtest_request_throttling_is_per_user(self):
+    def test_request_throttling_is_per_user(self):
         #Can not login user.....Dunno why...
         """Ensure request rate is only limited per user, not globally"""
-        User.objects.create_user('testuser', 'test', 'foo@bar.baz').save()
-        User.objects.create_user('another_testuser', 'test', 'foo@bar.baz').save()
+        for username in ('testuser', 'another_testuser'):
+            user = User.objects.create(username=username)
+            user.set_password('test')
+            user.save()
         
-        self.assertTrue(self.client.login(username='testuser', password='test'))
+        self.assertTrue(self.client.login(username='testuser', password='test'), msg='Login Failed')
         for dummy in range(3):
             response = self.client.get('/')
         self.client.logout()
-        self.assertTrue(self.client.login(username='another_testuser', password='test'))
+        self.assertTrue(self.client.login(username='another_testuser', password='test'), msg='Login failed')
         self.assertEqual(200, response.status_code)
         
     def test_request_throttling_expires(self):