Removed handling of string parameter in link_to to have all URL generation done by url_for

Signed-off-by: Joshua Peek <josh@joshpeek.com>

1 files changed, 10 insertions, 1 deletions

diff --git a/actionpack/test/template/url_helper_test.rb b/actionpack/test/template/url_helper_test.rb
index 91d5c6ffb5..867503fb29 100644
--- a/actionpack/test/template/url_helper_test.rb
+++ b/actionpack/test/template/url_helper_test.rb
@@ -28,6 +28,16 @@ class UrlHelperTest < ActionView::TestCase
     assert_equal "http://www.example.com?a=b&amp;c=d", url_for("http://www.example.com?a=b&amp;c=d")
   end
 
+  def test_url_for_with_back
+    @controller.request = RequestMock.new("http://www.example.com/weblog/show", nil, nil, {'HTTP_REFERER' => 'http://www.example.com/referer'})
+    assert_equal 'http://www.example.com/referer', url_for(:back)
+  end
+
+  def test_url_for_with_back_and_no_referer
+    @controller.request = RequestMock.new("http://www.example.com/weblog/show", nil, nil, {})
+    assert_equal 'javascript:history.back()', url_for(:back)
+  end
+
   # todo: missing test cases
   def test_button_to_with_straight_url
     assert_dom_equal "<form method=\"post\" action=\"http://www.example.com\" class=\"button-to\"><div><input type=\"submit\" value=\"Hello\" /></div></form>", button_to("Hello", "http://www.example.com")
@@ -419,7 +429,6 @@ class LinkToUnlessCurrentWithControllerTest < ActionView::TestCase
     end
 end
 
-
 class Workshop
   attr_accessor :id, :new_record