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# 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.expand_path('../../test_helper', __FILE__)

class WikiRedirectTest < ActiveSupport::TestCase

  fixtures :projects, :wikis, :wiki_pages

  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')

    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