SSL Redirection RSpec Matcher

gistfile1.rb

RSpec::Matchers.define(:redirect_to_ssl) do
  description { 'redirect to same page using the HTTPS protocol' }
  match { |status|
    response.redirect_url == request.url.gsub(/^http:/, 'https:')
  }
end

# in spec/requests or similar...
get('/admin/sign_in').should redirect_to_ssl