Add tests of the github_sync service hook view

cms/djangoapps/github_sync/tests/test_views.py

+import json
+from django.test.client import Client
+from django.test import TestCase
+from mock import patch, Mock
+from override_settings import override_settings
+from django.conf import settings
+
+
+@override_settings(REPOS={'repo': {'path': 'path', 'branch': 'branch'}})
+class PostReceiveTestCase(TestCase):
+    def setUp(self):
+        self.client = Client()
+
+    @patch('github_sync.views.export_to_github')
+    @patch('github_sync.views.import_from_github')
+    def test_non_branch(self, import_from_github, export_to_github):
+        self.client.post('/github_service_hook', {'payload': json.dumps({
+            'ref': 'refs/tags/foo'})
+        })
+        self.assertFalse(import_from_github.called)
+        self.assertFalse(export_to_github.called)
+
+    @patch('github_sync.views.export_to_github')
+    @patch('github_sync.views.import_from_github')
+    def test_non_watched_repo(self, import_from_github, export_to_github):
+        self.client.post('/github_service_hook', {'payload': json.dumps({
+            'ref': 'refs/heads/branch',
+            'repository': {'name': 'bad_repo'}})
+        })
+        self.assertFalse(import_from_github.called)
+        self.assertFalse(export_to_github.called)
+
+    @patch('github_sync.views.export_to_github')
+    @patch('github_sync.views.import_from_github')
+    def test_non_tracked_branch(self, import_from_github, export_to_github):
+        self.client.post('/github_service_hook', {'payload': json.dumps({
+            'ref': 'refs/heads/non_branch',
+            'repository': {'name': 'repo'}})
+        })
+        self.assertFalse(import_from_github.called)
+        self.assertFalse(export_to_github.called)
+
+    @patch('github_sync.views.export_to_github')
+    @patch('github_sync.views.import_from_github', return_value=(Mock(), Mock()))
+    def test_tracked_branch(self, import_from_github, export_to_github):
+        self.client.post('/github_service_hook', {'payload': json.dumps({
+            'ref': 'refs/heads/branch',
+            'repository': {'name': 'repo'}})
+        })
+        import_from_github.assert_called_with(settings.REPOS['repo'])
+        mock_revision, mock_course = import_from_github.return_value
+        export_to_github.assert_called_with(mock_course, 'path', "Changes from cms import of revision %s" % mock_revision)
+

requirements.txt

@@ -30,3 +30,4 @@ nosexcover
 rednose
 GitPython >= 0.3
 django-override-settings
+mock>=0.8, <0.9