Removes attachment from disk after rollback on create (#21125).

git-svn-id: http://svn.redmine.org/redmine/trunk@15085 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/attachment.rb

@@ -53,6 +53,7 @@ class Attachment < ActiveRecord::Base
   @@thumbnails_storage_path = File.join(Rails.root, "tmp", "thumbnails")
 
   before_create :files_to_final_location
+  after_rollback :delete_from_disk, :on => :create
   after_commit :delete_from_disk, :on => :destroy
 
   # Returns an unsaved copy of the attachment

test/unit/attachment_test.rb

@@ -20,7 +20,7 @@
 require File.expand_path('../../test_helper', __FILE__)
 
 class AttachmentTest < ActiveSupport::TestCase
-  fixtures :users, :projects, :roles, :members, :member_roles,
+  fixtures :users, :email_addresses, :projects, :roles, :members, :member_roles,
            :enabled_modules, :issues, :trackers, :attachments
 
   # TODO: remove this with Rails 5 that supports after_commit callbacks

test/unit/attachment_transaction_test.rb

@@ -0,0 +1,76 @@
+# encoding: utf-8
+#
+# Redmine - project management software
+# Copyright (C) 2006-2015  Jean-Philippe Lang
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+require File.expand_path('../../test_helper', __FILE__)
+
+class AttachmentTest < ActiveSupport::TestCase
+  fixtures :users, :email_addresses, :projects, :roles, :members, :member_roles,
+           :enabled_modules, :issues, :trackers, :attachments
+
+  self.use_transactional_fixtures = false
+
+  def setup
+    set_tmp_attachments_directory
+  end
+
+  def test_rollback_after_create_should_remove_file_from_disk
+    diskfile = nil
+
+    Attachment.transaction do
+      a = Attachment.new(:container => Issue.find(1),
+                         :file => uploaded_test_file("testfile.txt", "text/plain"),
+                         :author => User.find(1))
+      a.save!
+      diskfile = a.diskfile
+      assert File.exist?(diskfile)
+      raise ActiveRecord::Rollback
+    end
+    assert !File.exist?(diskfile)
+  end
+
+  def test_destroy_should_remove_file_from_disk_after_commit
+    a = Attachment.new(:container => Issue.find(1),
+                       :file => uploaded_test_file("testfile.txt", "text/plain"),
+                       :author => User.find(1))
+    a.save!
+    diskfile = a.diskfile
+    assert File.exist?(diskfile)
+
+    Attachment.transaction do
+      a.destroy
+      assert File.exist?(diskfile)
+    end
+    assert !File.exist?(diskfile)
+  end
+
+  def test_rollback_after_destroy_should_not_remove_file_from_disk
+    a = Attachment.new(:container => Issue.find(1),
+                       :file => uploaded_test_file("testfile.txt", "text/plain"),
+                       :author => User.find(1))
+    a.save!
+    diskfile = a.diskfile
+    assert File.exist?(diskfile)
+
+    Attachment.transaction do
+      a.destroy
+      raise ActiveRecord::Rollback
+    end
+    assert File.exist?(diskfile)
+  end
+end