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diff --git a/test/coverage/html_formatter.rb b/test/coverage/html_formatter.rb
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+++ b/test/coverage/html_formatter.rb
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+# Redmine - project management software
+# Copyright (C) 2006-2014  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 'erb'
+require 'cgi'
+
+# A simple formatter for SimpleCov
+module Redmine
+  module Coverage
+    class HtmlFormatter
+      def format(result)
+        File.open(File.join(output_path, "index.html"), "w") do |file|
+          file.puts template('index').result(binding)
+        end
+        result.source_files.each do |source_file|
+          File.open(File.join(output_path, source_file_result(source_file)), "w") do |file|
+            file.puts template('source').result(binding)
+          end
+        end
+      end
+
+      private
+
+      def now
+        @now = Time.now.utc
+      end
+
+      def output_path
+        SimpleCov.coverage_path
+      end
+
+      def shortened_filename(source_file)
+        source_file.filename.gsub(SimpleCov.root, '.').gsub(/^\.\//, '')
+      end
+
+      def link_to_source_file(source_file)
+        %(<a href="#{source_file_result source_file}">#{shortened_filename source_file}</a>)
+      end
+
+      def source_file_result(source_file)
+        shortened_filename(source_file).gsub('/', '__')+'.html'
+      end
+
+      def revision_link
+        if revision = Redmine::VERSION.revision
+          %(<a href="http://www.redmine.org/projects/redmine/repository/revisions/#{revision}">r#{revision}</a>)
+        end
+      end
+
+      # Returns the an erb instance for the template of given name
+      def template(name)
+        ERB.new(File.read(File.join(File.dirname(__FILE__), 'views', "#{name}.erb")))
+      end
+    end
+  end
+end