Check if a field or button is disabled with Cucumber

Using this step definition you can check if any form field (text field, checkbox, etc) or button is disabled:

Then the "Name" field should be disabled
  And the "Save" button should be disabled
But the "Locked" field should not be disabled

Capybara

This step part of Spreewald Show archive.org snapshot .

Webrat

Then /^"([^\"]*)" should( not)? be disabled$/ do |label, negate|
  attributes = field_labeled(label).element.attributes.keys
  attributes.send(negate ? :should_not : :should, include('disabled'))
end