Added the ability to rename wiki pages (specific permission required).

Existing links that point to the old page are preserved and automatically redirected to the new page (this behaviour can be disabled when renaming the page).

git-svn-id: http://redmine.rubyforge.org/svn/trunk@720 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/unit/wiki_redirect_test.rb

@@ -0,0 +1,73 @@
+# redMine - project management software
+# Copyright (C) 2006-2007  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.dirname(__FILE__) + '/../test_helper'
+
+class WikiRedirectTest < Test::Unit::TestCase
+  fixtures :projects, :wikis
+
+  def setup
+    @wiki = Wiki.find(1)
+    @original = WikiPage.create(:wiki => @wiki, :title => 'Original title')
+  end
+  
+  def test_create_redirect
+    @original.title = 'New title'
+    assert @original.save
+    @original.reload
+    
+    assert_equal 'New_title', @original.title
+    assert @wiki.redirects.find_by_title('Original_title')
+    assert @wiki.find_page('Original title')
+  end
+  
+  def test_update_redirect
+    # create a redirect that point to this page
+    assert WikiRedirect.create(:wiki => @wiki, :title => 'An_old_page', :redirects_to => 'Original_title')
+    
+    @original.title = 'New title'
+    @original.save
+    # make sure the old page now points to the new page
+    assert_equal 'New_title', @wiki.find_page('An old page').title
+  end
+  
+  def test_reverse_rename
+    # create a redirect that point to this page
+    assert WikiRedirect.create(:wiki => @wiki, :title => 'An_old_page', :redirects_to => 'Original_title')
+
+    @original.title = 'An old page'
+    @original.save
+    assert !@wiki.redirects.find_by_title_and_redirects_to('An_old_page', 'An_old_page')
+    assert @wiki.redirects.find_by_title_and_redirects_to('Original_title', 'An_old_page')
+  end
+  
+  def test_rename_to_already_redirected
+    assert WikiRedirect.create(:wiki => @wiki, :title => 'An_old_page', :redirects_to => 'Other_page')
+
+    @original.title = 'An old page'
+    @original.save
+    # this redirect have to be removed since 'An old page' page now exists
+    assert !@wiki.redirects.find_by_title_and_redirects_to('An_old_page', 'Other_page')
+  end
+  
+  def test_redirects_removed_when_deleting_page
+    assert WikiRedirect.create(:wiki => @wiki, :title => 'An_old_page', :redirects_to => 'Original_title')
+    
+    @original.destroy
+    assert !@wiki.redirects.find(:first)
+  end
+end