_ is not a valid scheme name character, \w includes it and also is redundant with \d.

'The scheme name consists of a letter followed by any combination of letters, digits, and the plus ("+"), period ("."), or hyphen ("-") characters; and is terminated by a colon (":").'

1 files changed, 7 insertions, 0 deletions

diff --git a/actionpack/test/controller/action_pack_assertions_test.rb b/actionpack/test/controller/action_pack_assertions_test.rb
index d9d258e593..5a8b763717 100644
--- a/actionpack/test/controller/action_pack_assertions_test.rb
+++ b/actionpack/test/controller/action_pack_assertions_test.rb
@@ -32,6 +32,8 @@ class ActionPackAssertionsController < ActionController::Base
 
   def redirect_to_path() redirect_to '/some/path' end
 
+  def redirect_invalid_external_route() redirect_to 'ht_tp://www.rubyonrails.org' end
+
   def redirect_to_named_route() redirect_to route_one_url end
 
   def redirect_external() redirect_to "http://www.rubyonrails.org"; end
@@ -368,6 +370,11 @@ class ActionPackAssertionsControllerTest < ActionController::TestCase
     end
   end
 
+  def test_redirect_invalid_external_route
+    process :redirect_invalid_external_route
+    assert_redirected_to "http://test.hostht_tp://www.rubyonrails.org"
+  end
+
   def test_redirected_to_url_full_url
     process :redirect_to_path
     assert_redirected_to 'http://test.host/some/path'