class ParallelTests::CLI

def report_number_of_tests(groups)
  name = @runner.test_file_name
  num_processes = groups.size
  num_tests = groups.map(&:size).sum
  tests_per_process = (num_processes == 0 ? 0 : num_tests / num_processes)
  puts "#{pluralize(num_processes, 'process')} for #{pluralize(num_tests, name)}, ~ #{pluralize(tests_per_process, name)} per process"
end