module RSpec::HtmlMatchers

def with_button text, value=nil, options={}
  options[:with] ||= {}
  if value.is_a?(Hash)
    options.merge!(value)
    value=nil
  end
  options[:with].merge!(:value => value.to_s) if value
  options.merge!(:text => text) if text
  expect(@__current_scope_for_nokogiri_matcher).to have_tag('button', options)
end