line_sort

#!/usr/bin/env ruby

# Simple script, sorting tests by duration to analyze slow tests. 

# Usage:
#   chmod +x sort_tests.sh
#   rspec -f d spec/ | sort_tests.sh

data = []
prev_time = nil
while input = ARGF.gets
  input.each_line do |line|
    time_diff = ((Time.now - (prev_time || Time.now)) * 1000).to_i
    prev_time = Time.now
    data << [time_diff, line]
  end
end

data = data.sort_by { |x| x[0] }
begin
  data.each do |diff, line|
    $stdout.puts  [diff, line].join("\t")
  end
  $stdout.puts "total time: #{data.map {|x| x[0]}.inject(&:+)} ms"
rescue Errno::EPIPE
  exit(74)
end