module ActionDispatch::Assertions::SelectorAssertions

end
end
end
assert_select "p"
assert_select_encoded do
# Run assertions on the encoded elements.
assert_select "channel>item>description" do
# Select description element of each feed item.
assert_select_feed :rss, 2.0 do
# Selects all paragraph tags from within the description of an RSS feed


end
end
end
assert_select "b"
assert_select_encoded do
# Run assertions on the encoded title elements
assert_select "entry>title" do
# Select each entry item and then the title item
assert_select_feed :atom, 1.0 do
# Selects all bold tags from within the title of an ATOM feed's entries (perhaps to nab a section name prefix)
==== Examples

element +encoded+. It then calls the block with all un-encoded elements.
The content of each element is un-encoded, and wrapped in the root

of elements.
all currently selected elements. You can also pass an element or array
You typically call this method within another assertion to operate on

nested assertion on it.
Extracts the content of an element, treats it as encoded HTML and runs

def assert_select_encoded(element = nil, &block)
  case element
    when Array
      elements = element
    when HTML::Node
      elements = [element]
    when nil
      unless elements = @selected
        raise ArgumentError, "First argument is optional, but must be called from a nested assert_select"
      end
    else
      raise ArgumentError, "Argument is optional, and may be node or array of nodes"
  end
  fix_content = lambda do |node|
    # Gets around a bug in the Rails 1.1 HTML parser.
    node.content.gsub(/<!\[CDATA\[(.*)(\]\]>)?/m) { Rack::Utils.escapeHTML($1) }
  end
  selected = elements.map do |_element|
    text = _element.children.select{ |c| not c.tag? }.map{ |c| fix_content[c] }.join
    root = HTML::Document.new(CGI.unescapeHTML("<encoded>#{text}</encoded>")).root
    css_select(root, "encoded:root", &block)[0]
  end
  begin
    old_selected, @selected = @selected, selected
    assert_select ":root", &block
  ensure
    @selected = old_selected
  end
end