Merge branch 'master' of github.com:openHPI/codeocean-classroom

Theresa · Theresa · commit 670045386bd5 · 2016-02-15T23:38:32.000+01:00
diff --git a/app/models/exercise.rb b/app/models/exercise.rb
@@ -13,6 +13,7 @@ class Exercise < ActiveRecord::Base
   belongs_to :user
   belongs_to :execution_environment
   has_many :descriptions
+  validates :descriptions, presence: true
 
   accepts_nested_attributes_for :descriptions, allow_destroy: true
 
