Drag thing in to other thing capybara step

gistfile1.rb

## in features/support/selectors.rb

when /^the (?<type>\w+){1} "(?<name>[^"]*){1}"$/
      [:xpath, "//li[contains(@class, '#{$~[:type]}') and contains(., '#{$~[:name]}')]"]

## in features/step_definitions/drag_things_steps.rb

def find_by_selector(thing)
  selector = selector_for(thing)
  find(selector[0], selector[1])
end

When /^I drag (.+) into (.+)$/ do |thing, other_thing|
  find_by_selector(thing).drag_to(find_by_selector(other_thing))
end