rcovs

#!/usr/bin/ruby
# run coverage on a single file in rails project
require 'fileutils'

RCOV_OPTS = File.read(File.join(Dir.pwd, 'spec/rcov.opts')).split(/\r?\n/)
FILES_TO_RCOV = ARGV

SPECS_TO_RCOV = FILES_TO_RCOV.collect do |file|
  spec = "spec/#{file.sub(/^app\//, '').sub(/\.rb$/, '_spec.rb')}"
  unless File.exists?(File.join(Dir.pwd, spec))
    STDERR.puts "Missing spec: #{File.join(Dir.pwd, spec)}"
    next
  end

  spec
end.compact

FileUtils.rm_r(File.join(Dir.pwd, 'coverage')) if File.exists?(File.join(Dir.pwd, 'coverage'))
puts("ruby -S rcov #{RCOV_OPTS.join(' ')} --exclude 'app/*,db/*,lib/*,spec/*,config/*,vendor/*,script/*' -i '#{FILES_TO_RCOV.join(',')}' #{`which spec`.chomp} -- #{SPECS_TO_RCOV.join(' ')}")
system("rcov #{RCOV_OPTS.join(' ')} --exclude 'app/*,db/*,lib/*,spec/*,config/*,vendor/*,script/*' -i '#{FILES_TO_RCOV.join(',')}' `which spec` -- #{SPECS_TO_RCOV.join(' ')}")