Extract visibility condition from project statement and use visible scopes instead.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@5442 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/unit/query_test.rb

@@ -1,5 +1,5 @@
-# redMine - project management software
-# Copyright (C) 2006-2008  Jean-Philippe Lang
+# Redmine - project management software
+# Copyright (C) 2006-2011  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
@@ -218,6 +218,14 @@ class QueryTest < ActiveSupport::TestCase
     User.current = nil
   end
   
+  def test_statement_should_be_nil_with_no_filters
+    q = Query.new(:name => '_')
+    q.filters = {}
+    
+    assert q.valid?
+    assert_nil q.statement
+  end
+  
   def test_default_columns
     q = Query.new
     assert !q.columns.empty?