shopping cart view tests. coverage full except for debug line

lms/djangoapps/shoppingcart/models.py

@@ -67,7 +67,10 @@ class Order(models.Model):
 
     @property
     def total_cost(self):
-        """ Return the total cost of the order """
+        """
+        Return the total cost of the cart.  If the order has been purchased, returns total of
+        all purchased and not refunded items.
+        """
         return sum(i.line_cost for i in self.orderitem_set.filter(status=self.status))
 
     def clear(self):

lms/djangoapps/shoppingcart/views.py

@@ -26,7 +26,7 @@ def add_course_to_cart(request, course_id):
         PaidCourseRegistration.add_to_order(cart, course_id)
     except ItemNotFoundError:
         return HttpResponseNotFound(_('The course you requested does not exist.'))
-    if request.method == 'GET':
+    if request.method == 'GET': ### This is temporary for testing purposes and will go away before we pull
         return HttpResponseRedirect(reverse('shoppingcart.views.show_cart'))
     return HttpResponse(_("Course added to cart."))
 

lms/envs/test.py

@@ -32,6 +32,8 @@ MITX_FEATURES['ENABLE_HINTER_INSTRUCTOR_VIEW'] = True
 
 MITX_FEATURES['ENABLE_INSTRUCTOR_BETA_DASHBOARD'] = True
 
+MITX_FEATURES['ENABLE_SHOPPING_CART'] = True
+
 # Need wiki for courseware views to work. TODO (vshnayder): shouldn't need it.
 WIKI_ENABLED = True