back out from r9031 to r9036

On Rails3, 'to_s' is not alias of 'encoded'.
'to_s' is alias of 'decoded'.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@9037 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/functional/files_controller_test.rb

@@ -74,7 +74,7 @@ class FilesControllerTest < ActionController::TestCase
     mail = ActionMailer::Base.deliveries.last
     assert_not_nil mail
     assert_equal "[eCookbook] New file", mail.subject
-    assert mail.body.to_s.include?('testfile.txt')
+    assert mail.body.include?('testfile.txt')
   end
 
   def test_create_version_file

test/functional/issues_controller_test.rb

@@ -2168,7 +2168,7 @@ class IssuesControllerTest < ActionController::TestCase
     mail = ActionMailer::Base.deliveries.last
     assert_not_nil mail
     assert mail.subject.starts_with?("[#{issue.project.name} - #{issue.tracker.name} ##{issue.id}]")
-    assert mail.body.to_s.include?("Subject changed from #{old_subject} to #{new_subject}")
+    assert mail.body.include?("Subject changed from #{old_subject} to #{new_subject}")
   end
 
   def test_put_update_with_project_change
@@ -2242,7 +2242,7 @@ class IssuesControllerTest < ActionController::TestCase
 
     mail = ActionMailer::Base.deliveries.last
     assert_not_nil mail
-    assert mail.body.to_s.include?("Searchable field changed from 125 to New custom value")
+    assert mail.body.include?("Searchable field changed from 125 to New custom value")
   end
 
   def test_put_update_with_multi_custom_field_change
@@ -2285,7 +2285,7 @@ class IssuesControllerTest < ActionController::TestCase
     assert_equal 2, j.details.size
 
     mail = ActionMailer::Base.deliveries.last
-    assert mail.body.to_s.include?("Status changed from New to Assigned")
+    assert mail.body.include?("Status changed from New to Assigned")
     # subject should contain the new status
     assert mail.subject.include?("(#{ IssueStatus.find(2).name })")
   end
@@ -2303,7 +2303,7 @@ class IssuesControllerTest < ActionController::TestCase
     assert_equal User.anonymous, j.user
 
     mail = ActionMailer::Base.deliveries.last
-    assert mail.body.to_s.include?(notes)
+    assert mail.body.include?(notes)
   end
 
   def test_put_update_with_note_and_spent_time
@@ -2361,7 +2361,7 @@ class IssuesControllerTest < ActionController::TestCase
     assert_equal 59, File.size(attachment.diskfile)
 
     mail = ActionMailer::Base.deliveries.last
-    assert mail.body.to_s.include?('testfile.txt')
+    assert mail.body.include?('testfile.txt')
   end
 
   def test_put_update_with_failure_should_save_attachments

test/functional/messages_controller_test.rb

@@ -106,7 +106,7 @@ class MessagesControllerTest < ActionController::TestCase
     mail = ActionMailer::Base.deliveries.last
     assert_not_nil mail
     assert_equal "[#{message.board.project.name} - #{message.board.name} - msg#{message.root.id}] Test created message", mail.subject
-    assert mail.body.to_s.include?('Message body')
+    assert mail.body.include?('Message body')
     # author
     assert mail.bcc.include?('jsmith@somenet.foo')
     # project member

test/functional/users_controller_test.rb

@@ -191,7 +191,7 @@ class UsersControllerTest < ActionController::TestCase
     mail = ActionMailer::Base.deliveries.last
     assert_not_nil mail
     assert_equal [user.mail], mail.bcc
-    assert mail.body.to_s.include?('secret')
+    assert mail.body.include?('secret')
   end
 
   def test_create_with_failure
@@ -252,7 +252,7 @@ class UsersControllerTest < ActionController::TestCase
     mail = ActionMailer::Base.deliveries.last
     assert_not_nil mail
     assert_equal ['foo.bar@somenet.foo'], mail.bcc
-    assert mail.body.to_s.include?(ll('fr', :notice_account_activated))
+    assert mail.body.include?(ll('fr', :notice_account_activated))
   end
 
   def test_update_with_password_change_should_send_a_notification
@@ -266,7 +266,7 @@ class UsersControllerTest < ActionController::TestCase
     mail = ActionMailer::Base.deliveries.last
     assert_not_nil mail
     assert_equal [u.mail], mail.bcc
-    assert mail.body.to_s.include?('newpass')
+    assert mail.body.include?('newpass')
   end
 
   test "put :update with a password change to an AuthSource user switching to Internal authentication" do