add ctx processor test case

tests/test_context_processors.py

@@ -0,0 +1,21 @@
+# -*- coding: utf-8 -*-
+from django.test import TestCase, RequestFactory, override_settings
+
+from social_django.context_processors import login_redirect
+
+
+@override_settings(REDIRECT_FIELD_NAME='next')
+class TestContextProcessors(TestCase):
+    def setUp(self):
+        self.request_factory = RequestFactory()
+
+    def test_login_redirect_unicode_quote(self):
+        request = self.request_factory.get('/', data={'next': 'profile/sjó'})
+        result = login_redirect(request)
+        self.assertEqual(
+            result,  {
+                 'REDIRECT_FIELD_NAME': 'next',
+                 'REDIRECT_FIELD_VALUE': 'profile/sj%C3%B3',
+                 'REDIRECT_QUERYSTRING': 'next=profile/sj%C3%B3'
+            }
+        )