add test for a tool with an intermediate/POST

example_project/polls/admin.py

@@ -55,6 +55,11 @@ class PollAdmin(DjangoObjectActions, admin.ModelAdmin):
     def delete_all_choices(self, request, obj):
         from django.shortcuts import render_to_response
         from django.template import RequestContext
+
+        if request.method == 'POST':
+            obj.choice_set.all().delete()
+            return
+
         return render_to_response('clear_choices.html',
             dict(object=obj), context_instance=RequestContext(request))
     delete_all_choices.label = "Delete All Choices"

example_project/test_app/tests.py

@@ -39,6 +39,8 @@ def test_tool_can_return_httpresponse(self):
         self.assertTrue(response['location'].endswith('/admin/polls/poll/1/'))
 
     def test_intermediate_page_with_post_works(self):
+        self.assertTrue(Choice.objects.filter(poll=1).count())
         url = '/admin/polls/poll/1/tools/delete_all_choices/'
         response = self.client.post(url)
-        self.assertEqual(response.status_code, 200)
+        self.assertEqual(response.status_code, 302)
+        self.assertEqual(Choice.objects.filter(poll=1).count(), 0)