Redmine

<% if User.current.allowed_to?(:edit_wiki_pages, @project) &&

      (@wiki && @wiki.find_or_new_page('Sidebar').editable_by?(User.current)) %>

  <div class="contextual">

    <%= link_to l(:button_edit), edit_project_wiki_page_path(@project, 'sidebar'),

                :class => 'icon icon-edit' %>

  </div>

<% end -%>

  def test_edit_sidebar_link

    Role.anonymous.add_permission! :edit_wiki_pages

    Role.anonymous.add_permission! :protect_wiki_pages

    get :show, :params => {:project_id => 'ecookbook'}

    assert_response :success

    assert_select 'a[href=?]', '/projects/ecookbook/wiki/sidebar/edit'

  end