From 93c04f2666b60af890a7431bec802b7d00e29b34 Mon Sep 17 00:00:00 2001
From: Jean-Philippe Lang <jp_lang@yahoo.fr>
Date: Tue, 2 Dec 2008 17:57:13 +0000
Subject: [PATCH] Fixed: wrong digest for text files under Windows (#2264).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@2085 e93f8b46-1217-0410-a6f0-8f06a7374b81
---
 app/models/attachment.rb         | 9 ++++++++-
 test/fixtures/files/testfile.txt | 3 ++-
 test/unit/attachment_test.rb     | 7 ++++++-
 3 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/app/models/attachment.rb b/app/models/attachment.rb
index f838076c6..3bcc266bc 100644
--- a/app/models/attachment.rb
+++ b/app/models/attachment.rb
@@ -72,7 +72,7 @@ class Attachment < ActiveRecord::Base
       File.open(diskfile, "wb") do |f| 
         f.write(@temp_file.read)
       end
-      self.digest = Digest::MD5.hexdigest(File.read(diskfile))
+      self.digest = self.class.digest(diskfile)
     end
     # Don't save the content type if it's longer than the authorized length
     if self.content_type && self.content_type.length > 255
@@ -133,4 +133,11 @@ private
     end
     df
   end
+  
+  # Returns the MD5 digest of the file at given path
+  def self.digest(filename)
+    File.open(filename, 'rb') do |f|
+      Digest::MD5.hexdigest(f.read)
+    end
+  end
 end
diff --git a/test/fixtures/files/testfile.txt b/test/fixtures/files/testfile.txt
index 4b2a49c69..84f601ee6 100644
--- a/test/fixtures/files/testfile.txt
+++ b/test/fixtures/files/testfile.txt
@@ -1 +1,2 @@
-this is a text file for upload tests
\ No newline at end of file
+this is a text file for upload tests
+with multiple lines
diff --git a/test/unit/attachment_test.rb b/test/unit/attachment_test.rb
index 99f7c29f9..a8c533238 100644
--- a/test/unit/attachment_test.rb
+++ b/test/unit/attachment_test.rb
@@ -18,7 +18,8 @@
 require File.dirname(__FILE__) + '/../test_helper'
 
 class AttachmentTest < Test::Unit::TestCase
-
+  fixtures :issues, :users
+  
   def setup
   end
   
@@ -29,4 +30,8 @@ class AttachmentTest < Test::Unit::TestCase
     assert_equal 'f8139524ebb8f32e51976982cd20a85d', Attachment.disk_filename("test_accentué")[13..-1]
     assert_equal 'cbb5b0f30978ba03731d61f9f6d10011', Attachment.disk_filename("test_accentué.ça")[13..-1]
   end
+  
+  def test_digest
+    assert_equal '1478adae0d4eb06d35897518540e25d6', Attachment.digest(Test::Unit::TestCase.fixture_path + "/files/testfile.txt")
+  end
 end