fixes #2230

test/models/dmail_filter_test.rb

@@ -0,0 +1,7 @@
+require 'test_helper'
+
+class DmailFilterTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end

test/unit/dmail_test.rb

@@ -16,6 +16,23 @@ class DmailTest < ActiveSupport::TestCase
       CurrentUser.user = nil
     end
 
+    context "filter" do
+      setup do
+        @recipient = FactoryGirl.create(:user)
+        @recipient.create_dmail_filter(:words => "banned")
+        @dmail = FactoryGirl.build(:dmail, :title => "xxx", :owner => @recipient, :body => "banned word here", :to => @recipient)
+      end
+
+      should "detect banned words" do
+        assert(@recipient.dmail_filter.filtered?(@dmail))
+      end
+
+      should "autodelete if it has a banned word" do
+        @dmail.save
+        assert(@dmail.is_deleted)
+      end
+    end
+
     context "from a banned user" do
       setup do
         @user.update_attribute(:is_banned, true)