Cucumber list-only filter. Will only print list of feature files that were selected for testing. Needs to be registered as a last filter.

print_only_cuke_filter.rb

require 'cucumber/core/filter'

# put inside features/support/
class PrintOnlyCukeFilter < Cucumber::Core::Filter.new
  def test_case(test_case)
    announce
    print_file_for(test_case)
  end

  private

  def announce
    puts "FILTERED FILES:" unless @announced
    @announced = true
  end

  def print_file_for(test_case)
    current_file = test_case.location.file
    return if current_file == @last_file

    @last_file = current_file
    puts test_case.location.file
  end
end

AfterConfiguration do |config|
  config.filters << PrintOnlyCukeFilter.new
end