Test generation of chat settings

Ensure that the chat connection settings are generated properly for
the template context.

lms/djangoapps/courseware/tests/test_views.py

@@ -124,3 +124,26 @@ class ViewsTestCase(TestCase):
             self.assertContains(result, expected_end_text)
         else:
             self.assertNotContains(result, "Classes End")
+
+    def test_chat_settings(self):
+        mock_user = MagicMock()
+        mock_user.username = "johndoe"
+
+        mock_course = MagicMock()
+        mock_course.id = "a/b/c"
+
+        # Stub this out in the case that it's not in the settings
+        domain = "jabber.edx.org"
+        settings.JABBER_DOMAIN = domain
+
+        chat_settings = views.chat_settings(mock_course, mock_user)
+
+        # Test the proper format of all chat settings
+        self.assertEquals(chat_settings['domain'], domain)
+        self.assertEquals(chat_settings['room'], "a-b-c_class")
+        self.assertEquals(chat_settings['username'], "johndoe@%s" % domain)
+
+        # TODO: this needs to be changed once we figure out how to
+        #       generate/store a real password.
+        self.assertEquals(chat_settings['password'], "johndoe@%s" % domain)
+

lms/djangoapps/courseware/views.py

@@ -235,6 +235,30 @@ def update_timelimit_module(user, course_id, model_data_cache, timelimit_descrip
     return context
 
 
+def chat_settings(course, user):
+    """
+    Returns a dict containing the settings required to connect to a
+    Jabber chat server and room.
+    """
+    return {
+        'domain': settings.JABBER_DOMAIN,
+
+        # Jabber doesn't like slashes, so replace with dashes
+        'room': "{ID}_class".format(ID=course.id.replace('/', '-')),
+
+        'username': "{USER}@{DOMAIN}".format(
+            USER=user.username, DOMAIN=settings.JABBER_DOMAIN
+        ),
+
+        # TODO: clearly this needs to be something other than the username
+        #       should also be something that's not necessarily tied to a
+        #       particular course
+        'password': "{USER}@{DOMAIN}".format(
+            USER=user.username, DOMAIN=settings.JABBER_DOMAIN
+        ),
+    }
+
+
 @login_required
 @ensure_csrf_cookie
 @cache_control(no_cache=True, no_store=True, must_revalidate=True)
@@ -300,13 +324,7 @@ def index(request, course_id, chapter=None, section=None,
             }
 
         if course.show_chat:
-            context['chat'] = {
-                'domain': settings.JABBER_DOMAIN,
-                'room': "{ID}_class".format(ID=course.id.replace('/', '-')), # Jabber doesn't like /s
-                'username': "{USER}@{DOMAIN}".format(USER=user.username, DOMAIN=settings.JABBER_DOMAIN),
-                # TODO: clearly this needs to be something other than the username
-                'password': "{USER}@{DOMAIN}".format(USER=user.username, DOMAIN=settings.JABBER_DOMAIN),
-            }
+            context['chat'] = chat_settings(course, user)
 
         chapter_descriptor = course.get_child_by(lambda m: m.url_name == chapter)
         if chapter_descriptor is not None: