gistfile1.rb

RSpec::Matchers.define :have_element_named do |expected|
  match do |page|
    page.respond_to?("#{expected.to_s}_element") and page.send "#{expected.to_s}?"
  end

  failure_message_for_should do |page|
    "Expected the page to have an element named '#{expected.to_s}'"
  end

  failure_message_for_should_not do |page|
    "Expected the page to not have an element named '#{expected.to_s}'"
  end
end

Can be used like this:

page.should have_element_named :continue

where

link(:continue, :id => 'some_id')