module RSpec::Rails::Matchers

def have_http_status(target)

Other tags:
    See: https://github.com/rack/rack/blob/master/lib/rack/utils.rb - `Rack::Utils::SYMBOL_TO_STATUS_CODE`
    See: https://github.com/rails/rails/blob/master/actionpack/lib/action_dispatch/testing/test_response.rb - `ActionDispatch::TestResponse`

Other tags:
    Example: Works with standard `response` objects and Capybara's `page` -
    Example: Accepts numeric and symbol statuses -

Other tags:
    Api: - public 
def have_http_status(target)
  raise ArgumentError, "Invalid HTTP status: nil" unless target
  HaveHttpStatus.matcher_for_status(target)
end