Redir to deadbeef if hash is wrong

ivatar/test_views.py

@@ -61,5 +61,8 @@ class Tester(TestCase):  # pylint: disable=too-many-public-methods
         """
         Test incorrect digest
         """
-        response = self.client.get('/avatar/%s' % 'x'*65)
-        self.assertEqual(response.status_code, 200, 'no 200 ok?')
+        response = self.client.get('/avatar/%s' % 'x'*65, follow=True)
+        self.assertRedirects(
+            response=response,
+            expected_url='/static/img/deadbeef.png',
+            msg_prefix='Why does an invalid hash not redirect to deadbeef?')

ivatar/urls.py

@@ -24,11 +24,7 @@ urlpatterns = [  # pylint: disable=invalid-name
     url(r'avatar/$', AvatarImageView.as_view(), name='avatar_view'),
     url(
         r'avatar/(?P<digest>\w*)',
-        TemplateView.as_view(
-            template_name='error.html',
-            extra_context={
-                'errormessage': 'Incorrect digest length',
-            })),
+        RedirectView.as_view(url='/static/img/deadbeef.png'), name='invalid_hash'),
     url(
         r'gravatarproxy/(?P<digest>\w*)',
         GravatarProxyView.as_view(), name='gravatarproxy'),