Fixed: messages attachments/watchers are not deleted when deleting a project or forum (#6966).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@4431 e93f8b46-1217-0410-a6f0-8f06a7374b81

Author: jplang

app/models/board.rb

@@ -18,7 +18,7 @@
 class Board < ActiveRecord::Base
   belongs_to :project
   has_many :topics, :class_name => 'Message', :conditions => "#{Message.table_name}.parent_id IS NULL", :order => "#{Message.table_name}.created_on DESC"
-  has_many :messages, :dependent => :delete_all, :order => "#{Message.table_name}.created_on DESC"
+  has_many :messages, :dependent => :destroy, :order => "#{Message.table_name}.created_on DESC"
   belongs_to :last_message, :class_name => 'Message', :foreign_key => :last_message_id
   acts_as_list :scope => :project_id
   acts_as_watchable

test/fixtures/attachments.yml

@@ -145,3 +145,15 @@ attachments_012:
   filename: version_file.zip
   author_id: 2
   content_type: application/octet-stream
+attachments_013:
+  created_on: 2006-07-19 21:07:27 +02:00
+  container_type: Message
+  container_id: 1
+  downloads: 0
+  disk_filename: 060719210727_foo.zip
+  digest: b91e08d0cf966d5c6ff411bd8c4cc3a2
+  id: 13
+  filesize: 452
+  filename: foo.zip
+  author_id: 2
+  content_type: application/octet-stream

test/unit/board_test.rb

@@ -1,7 +1,7 @@
 require File.dirname(__FILE__) + '/../test_helper'
 
 class BoardTest < ActiveSupport::TestCase
-  fixtures :projects, :boards, :messages
+  fixtures :projects, :boards, :messages, :attachments, :watchers
 
   def setup
     @project = Project.find(1)
@@ -23,8 +23,13 @@ def test_create
 
   def test_destroy
     board = Board.find(1)
-    assert board.destroy
-    # make sure that the associated messages are removed
+    assert_difference 'Message.count', -6 do
+      assert_difference 'Attachment.count', -1 do
+        assert_difference 'Watcher.count', -1 do
+          assert board.destroy
+        end
+      end
+    end
     assert_equal 0, Message.count(:conditions => {:board_id => 1})
   end
 end