From ae7a4b9678dedbdfae0c62d9cc84667ef7388866 Mon Sep 17 00:00:00 2001
From: Toshi MARUYAMA <marutosijp2@yahoo.co.jp>
Date: Thu, 6 Feb 2014 03:33:33 +0000
Subject: [PATCH] Rails4: add ApplicationHelper#truncate_single_line_raw method
 replacing truncate_single_line

git-svn-id: http://svn.redmine.org/redmine/trunk@12830 e93f8b46-1217-0410-a6f0-8f06a7374b81
---
 app/helpers/application_helper.rb            | 14 +++++++++++---
 app/views/common/feed.atom.builder           |  6 +++---
 test/unit/helpers/application_helper_test.rb |  6 +++---
 3 files changed, 17 insertions(+), 9 deletions(-)

diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 54852abf5..e2e3349ed 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -224,7 +224,7 @@ module ApplicationHelper
   end
 
   def format_activity_title(text)
-    h(truncate_single_line(text, :length => 100))
+    h(truncate_single_line_raw(text, 100))
   end
 
   def format_activity_day(date)
@@ -397,9 +397,17 @@ module ApplicationHelper
 
   # Truncates and returns the string as a single line
   def truncate_single_line(string, *args)
+    ActiveSupport::Deprecation.warn(
+      "ApplicationHelper#truncate_single_line is deprecated and will be removed in Rails 4 poring")
+    # Rails 4 ActionView::Helpers::TextHelper#truncate escapes.
+    # So, result is broken.
     truncate(string.to_s, *args).gsub(%r{[\r\n]+}m, ' ')
   end
 
+  def truncate_single_line_raw(string, length)
+    string.truncate(length).gsub(%r{[\r\n]+}m, ' ')
+  end
+
   # Truncates at line break after 250 characters or options[:length]
   def truncate_lines(string, options={})
     length = options[:length] || 250
@@ -759,7 +767,7 @@ module ApplicationHelper
                               :repository_id => repository.identifier_param,
                               :rev => changeset.revision},
                              :class => 'changeset',
-                             :title => truncate_single_line(changeset.comments, :length => 100))
+                             :title => truncate_single_line_raw(changeset.comments, 100))
             end
           end
         elsif sep == '#'
@@ -841,7 +849,7 @@ module ApplicationHelper
                 if repository && (changeset = Changeset.visible.where("repository_id = ? AND scmid LIKE ?", repository.id, "#{name}%").first)
                   link = link_to h("#{project_prefix}#{repo_prefix}#{name}"), {:only_path => only_path, :controller => 'repositories', :action => 'revision', :id => project, :repository_id => repository.identifier_param, :rev => changeset.identifier},
                                                :class => 'changeset',
-                                               :title => truncate_single_line(changeset.comments, :length => 100)
+                                               :title => truncate_single_line_raw(changeset.comments, 100)
                 end
               else
                 if repository && User.current.allowed_to?(:browse_repository, project)
diff --git a/app/views/common/feed.atom.builder b/app/views/common/feed.atom.builder
index b4c830ee3..e279859b1 100644
--- a/app/views/common/feed.atom.builder
+++ b/app/views/common/feed.atom.builder
@@ -1,6 +1,6 @@
 xml.instruct!
 xml.feed "xmlns" => "http://www.w3.org/2005/Atom" do
-  xml.title   truncate_single_line(@title, :length => 100)
+  xml.title   truncate_single_line_raw(@title, 100)
   xml.link    "rel" => "self", "href" => url_for(params.merge(:only_path => false))
   xml.link    "rel" => "alternate", "href" => url_for(params.merge(:only_path => false, :format => nil, :key => nil))
   xml.id      url_for(:controller => 'welcome', :only_path => false)
@@ -12,9 +12,9 @@ xml.feed "xmlns" => "http://www.w3.org/2005/Atom" do
     xml.entry do
       url = url_for(item.event_url(:only_path => false))
       if @project
-        xml.title truncate_single_line(item.event_title, :length => 100)
+        xml.title truncate_single_line_raw(item.event_title, 100)
       else
-        xml.title truncate_single_line("#{item.project} - #{item.event_title}", :length => 100)
+        xml.title truncate_single_line_raw("#{item.project} - #{item.event_title}", 100)
       end
       xml.link "rel" => "alternate", "href" => url
       xml.id url
diff --git a/test/unit/helpers/application_helper_test.rb b/test/unit/helpers/application_helper_test.rb
index 596bfd7fb..44cdf1693 100644
--- a/test/unit/helpers/application_helper_test.rb
+++ b/test/unit/helpers/application_helper_test.rb
@@ -1388,10 +1388,10 @@ RAW
 
   def test_truncate_single_line
     str = "01234"
-    result = truncate_single_line("#{str}\n#{str}", :length => 10)
+    result = truncate_single_line_raw("#{str}\n#{str}", 10)
     assert_equal "01234 0...", result
     assert !result.html_safe?
-    result = truncate_single_line("#{str}<&#>\n#{str}#{str}", :length => 16)
+    result = truncate_single_line_raw("#{str}<&#>\n#{str}#{str}", 16)
     assert_equal "01234<&#> 012...", result
     assert !result.html_safe?
   end
@@ -1399,7 +1399,7 @@ RAW
   def test_truncate_single_line_non_ascii
     ja = "\xe6\x97\xa5\xe6\x9c\xac\xe8\xaa\x9e"
     ja.force_encoding('UTF-8') if ja.respond_to?(:force_encoding)
-    result = truncate_single_line("#{ja}\n#{ja}\n#{ja}", :length => 10)
+    result = truncate_single_line_raw("#{ja}\n#{ja}\n#{ja}", 10)
     assert_equal "#{ja} #{ja}...", result
     assert !result.html_safe?
   end