Merged r3783 from trunk.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/branches/0.9-stable@3791 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/fixtures/mail_handler/ticket_by_empty_user.eml

@@ -0,0 +1,17 @@
+Return-Path: <john.doe@somenet.foo>
+Received: from osiris ([127.0.0.1])
+	by OSIRIS
+	with hMailServer ; Sun, 22 Jun 2008 12:28:07 +0200
+Message-ID: <000501c8d452$a95cd7e0$0a00a8c0@osiris>
+To: <redmine@somenet.foo>
+Subject: Ticket by unknown user
+Date: Sun, 22 Jun 2008 12:28:07 +0200
+MIME-Version: 1.0
+Content-Type: text/plain;
+	format=flowed;
+	charset="iso-8859-1";
+	reply-type=original
+Content-Transfer-Encoding: 7bit
+
+This is a ticket submitted by an unknown user.
+

test/unit/mail_handler_test.rb

@@ -166,6 +166,15 @@ class MailHandlerTest < ActiveSupport::TestCase
       assert issue.author.anonymous?
     end
   end
+
+  def test_add_issue_by_anonymous_user_with_no_from_address
+    Role.anonymous.add_permission!(:add_issues)
+    assert_no_difference 'User.count' do
+      issue = submit_email('ticket_by_empty_user.eml', :issue => {:project => 'ecookbook'}, :unknown_user => 'accept')
+      assert issue.is_a?(Issue)
+      assert issue.author.anonymous?
+    end
+  end
   
   def test_add_issue_by_anonymous_user_on_private_project
     Role.anonymous.add_permission!(:add_issues)