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#!/usr/bin/env ruby
# Author: Nick Lewis
specs_in_order = File.read('spec_order.txt').split
failing_spec = ARGV.first
specs = specs_in_order[0...specs_in_order.index(failing_spec)]
suspects = specs
while suspects.length > 1 do
count = suspects.length
specs_to_run = suspects[0...(count/2)]
puts "Trying #{specs_to_run.join(' ')}"
start = Time.now
system("bundle exec rspec #{specs_to_run.join(' ')} #{failing_spec}")
puts "Finished in #{Time.now - start} seconds"
if $? == 0
puts "This group is innocent. The culprit is in the other half."
suspects = suspects[(count/2)..-1]
else
puts "One of these is guilty."
suspects = specs_to_run
end
end
puts "The culprit is #{suspects.first}"
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