--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/downloads/tests/test_receivers.py	Tue Apr 28 21:22:42 2015 -0500
@@ -0,0 +1,71 @@
+"""Tests for the downloads app signal handlers."""
+
+from django.contrib.auth.models import User
+from django.test import TestCase
+
+from mock import Mock
+
+import custom_search.receivers
+
+from downloads.models import Category
+from downloads.models import Download
+from downloads.models import PendingDownload
+
+
+class ReceiverTestCase(TestCase):
+
+    fixtures = ['downloads_categories.json']
+
+    def setUp(self):
+        self.user = User.objects.create_user('user', 'user@example.com', 'pw')
+
+        # Don't let our custom search signal handler class catch any of the
+        # signals we are throwing here.
+        custom_search.receivers.signal_processor.teardown()
+
+    def tearDown(self):
+        custom_search.receivers.signal_processor.setup()
+
+    def test_download_signal_handlers(self):
+
+        category = Category.objects.get(pk=1)
+        dl = Download(category=category,
+                      title='Title',
+                      description='Cool stuff',
+                      is_public=True,
+                      user=self.user,
+                      ip_address='127.0.0.1')
+        dl.save()
+
+        category = Category.objects.get(pk=1)
+        self.assertEqual(1, category.count)
+
+        category2 = Category.objects.get(pk=4)
+        dl.category = category2
+        dl.save()
+
+        category = Category.objects.get(pk=1)
+        self.assertEqual(0, category.count)
+        category2 = Category.objects.get(pk=4)
+        self.assertEqual(1, category2.count)
+
+        dl.delete()
+        category2 = Category.objects.get(pk=4)
+        self.assertEqual(0, category2.count)
+
+    def test_pending_download_signal_handlers(self):
+
+        category = Category.objects.get(pk=1)
+        dl = PendingDownload(
+                category=category,
+                title='Title',
+                description='Cool stuff',
+                user=self.user,
+                ip_address='127.0.0.1')
+        dl.save()
+
+        dl.file = Mock()
+        dl.delete()
+
+        dl.file.delete.assert_called_with(save=False)
+