Populating all form fileds in Capybara from a Factory

form_fields_helper.rb

module FormFieldsHelper

  def populate_form_fields_from_factory(page, form_id, factory)
    inputs = page.all(:css, "##{form_id} input, ##{form_id} textarea, ##{form_id} select")
    inputs.reject{ |input| input[:id] == nil }.each do |input|
      input_id = input[:id]
      attribute_name = input_id.gsub("#{factory.class.name.underscore}_",'')
      attribute = attribute_name.to_sym
      attribute_value = factory.send(attribute)
      if input.tag_name == 'select' # Select
        input.find("option[value='#{attribute_value}']").select_option
      elsif input.tag_name == 'input' && input['type'] == 'checkbox' # Checkbox
        input.set(attribute_value)
      elsif input.tag_name == 'input' && input['type'] == 'file' # File
        attach_file(input_id, Rails.root + 'spec/support/test.pdf')
      else # Text field
        input.set(attribute_value)
      end
    end
  end
end

RSpec.configure do |config|
  config.include FormFieldsHelper, type: :feature
end

test.rb

# Within some feature spec...
factory = FactoryGirl.build(:factory)
populate_form_fields_from_factory(page, 'form_id', factory) # Populates the form with values from the factory