fill_in_date.rb

# Fills the standard Rails 3-field date picker with the date.
# #name# is supposed to lead to one of these fields, either through a label or a CSS selector.
# Usage:
#   fill_in_date "Date of birth", with: 30.years.ago
def fill_in_date(name, options)
  date = options[:with]
  within find_field(name).parent do
    find('select[name*="2i"]').select(date.strftime('%B'))
    find('select[name*="3i"]').select(date.day.to_s)
    find('select[name*="1i"]').select(date.year.to_s)
  end
end