Bug: tag dynamic proxy does not accept options with keys as strings

test_tag_builder_options.rb

begin
  require "bundler/inline"
rescue LoadError => e
  $stderr.puts "Bundler version 1.10 or later is required. Please update your Bundler"
  raise e
end

gemfile(true) do
  source "https://rubygems.org"
  gem "rails", github: "rails/rails"
end

require "action_view"
require "action_view/helpers"
require "minitest/autorun"

class TagHelperTest < ActionView::TestCase
  tests ActionView::Helpers::TagHelper

  def test_tag_builder_options
    str = tag.p("class" => "show", :class => "elsewhere")
    assert_match(/class="show"/, str)
    assert_match(/class="elsewhere"/, str)

    #   1) Failure:
    # TagHelperTest#test_tag_builder_options [tag_builder_error.rb:24]:
    # Expected /class="show"/ to match "<p class=\"elsewhere\">{&quot;class&quot;=&gt;&quot;show&quot;}</p>".
  end
end