--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bio/tests/test_receivers.py	Mon Apr 20 21:05:27 2015 -0500
@@ -0,0 +1,168 @@
+"""Tests for the bio app's signal handlers."""
+
+from collections import namedtuple
+
+from django.contrib.auth.models import User
+from django.db.models.signals import post_save
+from django.test import TestCase
+
+import bio.badges
+from bio.models import Badge
+from bio.models import BadgeOwnership
+from bio.models import UserProfile
+import custom_search.receivers
+from donations.models import Donation
+from downloads.models import Download
+import downloads.receivers
+from news.models import Story
+from potd.models import Photo
+import potd.receivers
+from weblinks.models import Link
+import weblinks.receivers
+
+
+FakeDonation = namedtuple('FakeDonation', ['is_anonymous', 'user'])
+FakeUserObject = namedtuple('FakeUserObject', ['user'])
+FakeStory = namedtuple('FakeStory', ['submitter'])
+
+
+class ReceiverTestCase(TestCase):
+
+    fixtures = ['badges.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()
+
+        # Don't let these signal handlers fire either
+        post_save.disconnect(sender=Link, dispatch_uid='weblinks.receivers')
+        post_save.disconnect(sender=Download, dispatch_uid='downloads.receivers')
+        post_save.disconnect(sender=Photo, dispatch_uid='potd.receivers')
+
+    def tearDown(self):
+        custom_search.receivers.signal_processor.setup()
+        post_save.connect(weblinks.receivers.on_link_save, sender=Link,
+                          dispatch_uid='weblinks.receivers')
+        post_save.connect(downloads.receivers.on_download_save, sender=Download,
+                          dispatch_uid='downloads.receivers')
+        post_save.connect(potd.receivers.on_photo_save, sender=Photo,
+                          dispatch_uid='potd.receivers')
+
+    def test_profile_creation(self):
+        profile = UserProfile.objects.get(user=self.user)
+        self.assertEqual(self.user.profile, profile)
+
+    def test_donation_created(self):
+        donation = FakeDonation(False, self.user)
+        post_save.send(sender=Donation, created=True, instance=donation)
+
+        badge = Badge.objects.get(numeric_id=bio.badges.CONTRIBUTOR_PIN)
+        ownership = BadgeOwnership.objects.get(badge=badge, profile=self.user.profile)
+        self.assertEqual(ownership.count, 1)
+
+    def test_donation_updated(self):
+        donation = FakeDonation(False, self.user)
+        post_save.send(sender=Donation, created=False, instance=donation)
+
+        badge = Badge.objects.get(numeric_id=bio.badges.CONTRIBUTOR_PIN)
+        self.assertRaises(BadgeOwnership.DoesNotExist,
+                          BadgeOwnership.objects.get,
+                          badge=badge, profile=self.user.profile)
+
+    def test_donation_anonymous(self):
+        donation = FakeDonation(True, self.user)
+        post_save.send(sender=Donation, created=False, instance=donation)
+
+        badge = Badge.objects.get(numeric_id=bio.badges.CONTRIBUTOR_PIN)
+        self.assertRaises(BadgeOwnership.DoesNotExist,
+                          BadgeOwnership.objects.get,
+                          badge=badge, profile=self.user.profile)
+
+    def test_donation_no_user(self):
+        donation = FakeDonation(False, None)
+        post_save.send(sender=Donation, created=False, instance=donation)
+
+        badge = Badge.objects.get(numeric_id=bio.badges.CONTRIBUTOR_PIN)
+        self.assertRaises(BadgeOwnership.DoesNotExist,
+                          BadgeOwnership.objects.get,
+                          badge=badge, profile=self.user.profile)
+
+    def test_donation_anon_and_no_user(self):
+        donation = FakeDonation(True, None)
+        post_save.send(sender=Donation, created=False, instance=donation)
+
+        badge = Badge.objects.get(numeric_id=bio.badges.CONTRIBUTOR_PIN)
+        self.assertRaises(BadgeOwnership.DoesNotExist,
+                          BadgeOwnership.objects.get,
+                          badge=badge, profile=self.user.profile)
+
+    def test_link_created(self):
+        link = FakeUserObject(self.user)
+        post_save.send(sender=Link, created=True, instance=link)
+
+        badge = Badge.objects.get(numeric_id=bio.badges.LINK_PIN)
+        ownership = BadgeOwnership.objects.get(badge=badge, profile=self.user.profile)
+        self.assertEqual(ownership.count, 1)
+
+    def test_link_updated(self):
+        link = FakeUserObject(self.user)
+        post_save.send(sender=Link, created=False, instance=link)
+
+        badge = Badge.objects.get(numeric_id=bio.badges.LINK_PIN)
+        self.assertRaises(BadgeOwnership.DoesNotExist,
+                          BadgeOwnership.objects.get,
+                          badge=badge, profile=self.user.profile)
+
+    def test_download_created(self):
+        dl = FakeUserObject(self.user)
+        post_save.send(sender=Download, created=True, instance=dl)
+
+        badge = Badge.objects.get(numeric_id=bio.badges.DOWNLOAD_PIN)
+        ownership = BadgeOwnership.objects.get(badge=badge, profile=self.user.profile)
+        self.assertEqual(ownership.count, 1)
+
+    def test_download_updated(self):
+        dl = FakeUserObject(self.user)
+        post_save.send(sender=Download, created=False, instance=dl)
+
+        badge = Badge.objects.get(numeric_id=bio.badges.DOWNLOAD_PIN)
+        self.assertRaises(BadgeOwnership.DoesNotExist,
+                          BadgeOwnership.objects.get,
+                          badge=badge, profile=self.user.profile)
+
+    def test_story_created(self):
+        story = FakeStory(self.user)
+        post_save.send(sender=Story, created=True, instance=story)
+
+        badge = Badge.objects.get(numeric_id=bio.badges.NEWS_PIN)
+        ownership = BadgeOwnership.objects.get(badge=badge, profile=self.user.profile)
+        self.assertEqual(ownership.count, 1)
+
+    def test_story_updated(self):
+        story = FakeStory(self.user)
+        post_save.send(sender=Story, created=False, instance=story)
+
+        badge = Badge.objects.get(numeric_id=bio.badges.NEWS_PIN)
+        self.assertRaises(BadgeOwnership.DoesNotExist,
+                          BadgeOwnership.objects.get,
+                          badge=badge, profile=self.user.profile)
+
+    def test_photo_created(self):
+        photo = FakeUserObject(self.user)
+        post_save.send(sender=Photo, created=True, instance=photo)
+
+        badge = Badge.objects.get(numeric_id=bio.badges.POTD_PIN)
+        ownership = BadgeOwnership.objects.get(badge=badge, profile=self.user.profile)
+        self.assertEqual(ownership.count, 1)
+
+    def test_photo_updated(self):
+        photo = FakeUserObject(self.user)
+        post_save.send(sender=Photo, created=False, instance=photo)
+
+        badge = Badge.objects.get(numeric_id=bio.badges.POTD_PIN)
+        self.assertRaises(BadgeOwnership.DoesNotExist,
+                          BadgeOwnership.objects.get,
+                          badge=badge, profile=self.user.profile)