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-rw-r--r--actionpack/lib/action_view/helpers/tag_helper.rb2
-rw-r--r--actionpack/test/template/erb_util_test.rb14
2 files changed, 15 insertions, 1 deletions
diff --git a/actionpack/lib/action_view/helpers/tag_helper.rb b/actionpack/lib/action_view/helpers/tag_helper.rb
index d7a2651bad..ecd26891d6 100644
--- a/actionpack/lib/action_view/helpers/tag_helper.rb
+++ b/actionpack/lib/action_view/helpers/tag_helper.rb
@@ -118,7 +118,7 @@ module ActionView
# escape_once("<< Accept & Checkout")
# # => "<< Accept & Checkout"
def escape_once(html)
- html.to_s.gsub(/[\"><]|&(?!([a-zA-Z]+|(#\d+));)/) { |special| ERB::Util::HTML_ESCAPE[special] }
+ ERB::Util.html_escape_once(html)
end
private
diff --git a/actionpack/test/template/erb_util_test.rb b/actionpack/test/template/erb_util_test.rb
index eba2ef64e0..ca2710e9b3 100644
--- a/actionpack/test/template/erb_util_test.rb
+++ b/actionpack/test/template/erb_util_test.rb
@@ -44,4 +44,18 @@ class ErbUtilTest < ActiveSupport::TestCase
assert_equal chr, html_escape(chr)
end
end
+
+ def test_html_escape_once
+ assert_equal '1 &lt; 2 &amp; 3', html_escape_once('1 < 2 &amp; 3')
+ end
+
+ def test_html_escape_once_returns_unsafe_strings_when_passed_unsafe_strings
+ value = html_escape_once('1 < 2 &amp; 3')
+ assert !value.html_safe?
+ end
+
+ def test_html_escape_once_returns_safe_strings_when_passed_safe_strings
+ value = html_escape_once('1 < 2 &amp; 3'.html_safe)
+ assert value.html_safe?
+ end
end