models: Add PatchChangeNotification and record patch state changes

[patchwork] / apps / patchwork / tests / notifications.py

diff --git a/apps/patchwork/tests/notifications.py b/apps/patchwork/tests/notifications.py
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+++ b/apps/patchwork/tests/notifications.py
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+# Patchwork - automated patch tracking system
+# Copyright (C) 2011 Jeremy Kerr <jk@ozlabs.org>
+#
+# This file is part of the Patchwork package.
+#
+# Patchwork is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# Patchwork is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Patchwork; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+from django.test import TestCase
+from django.core.urlresolvers import reverse
+from django.db.utils import IntegrityError
+from patchwork.models import Patch, State, PatchChangeNotification
+from patchwork.tests.utils import defaults, create_maintainer
+
+class PatchNotificationModelTest(TestCase):
+    """Tests for the creation & update of the PatchChangeNotification model"""
+
+    def setUp(self):
+        self.project = defaults.project
+        self.project.send_notifications = True
+        self.project.save()
+        self.submitter = defaults.patch_author_person
+        self.submitter.save()
+        self.patch = Patch(project = self.project, msgid = 'testpatch',
+                        name = 'testpatch', content = '',
+                        submitter = self.submitter)
+
+    def tearDown(self):
+        self.patch.delete()
+        self.submitter.delete()
+        self.project.delete()
+
+    def testPatchCreation(self):
+        """Ensure we don't get a notification on create"""
+        self.patch.save()
+        self.assertEqual(PatchChangeNotification.objects.count(), 0)
+
+    def testPatchUninterestingChange(self):
+        """Ensure we don't get a notification for "uninteresting" changes"""
+        self.patch.save()
+        self.patch.archived = True
+        self.patch.save()
+        self.assertEqual(PatchChangeNotification.objects.count(), 0)
+
+    def testPatchChange(self):
+        """Ensure we get a notification for interesting patch changes"""
+        self.patch.save()
+        oldstate = self.patch.state
+        state = State.objects.exclude(pk = oldstate.pk)[0]
+
+        self.patch.state = state
+        self.patch.save()
+        self.assertEqual(PatchChangeNotification.objects.count(), 1)
+        notification = PatchChangeNotification.objects.all()[0]
+        self.assertEqual(notification.patch, self.patch)
+        self.assertEqual(notification.orig_state, oldstate)
+
+    def testNotificationCancelled(self):
+        """Ensure we cancel notifications that are no longer valid"""
+        self.patch.save()
+        oldstate = self.patch.state
+        state = State.objects.exclude(pk = oldstate.pk)[0]
+
+        self.patch.state = state
+        self.patch.save()
+        self.assertEqual(PatchChangeNotification.objects.count(), 1)
+
+        self.patch.state = oldstate
+        self.patch.save()
+        self.assertEqual(PatchChangeNotification.objects.count(), 0)
+
+    def testNotificationUpdated(self):
+        """Ensure we update notifications when the patch has a second change,
+           but keep the original patch details"""
+        self.patch.save()
+        oldstate = self.patch.state
+        newstates = State.objects.exclude(pk = oldstate.pk)[:2]
+
+        self.patch.state = newstates[0]
+        self.patch.save()
+        self.assertEqual(PatchChangeNotification.objects.count(), 1)
+        notification = PatchChangeNotification.objects.all()[0]
+        self.assertEqual(notification.orig_state, oldstate)
+        orig_timestamp = notification.last_modified
+                         
+        self.patch.state = newstates[1]
+        self.patch.save()
+        self.assertEqual(PatchChangeNotification.objects.count(), 1)
+        notification = PatchChangeNotification.objects.all()[0]
+        self.assertEqual(notification.orig_state, oldstate)
+        self.assertTrue(notification.last_modified > orig_timestamp)
+
+    def testProjectNotificationsDisabled(self):
+        """Ensure we don't see notifications created when a project is
+           configured not to send them"""
+        self.project.send_notifications = False
+        self.project.save()
+
+        self.patch.save()
+        oldstate = self.patch.state
+        state = State.objects.exclude(pk = oldstate.pk)[0]
+
+        self.patch.state = state
+        self.patch.save()
+        self.assertEqual(PatchChangeNotification.objects.count(), 0)
+