test-unit-runner

#!/usr/bin/env ruby
require 'pathname'

def print_usage
  puts "USAGE: test-unit-runner path/to/spec.rb[:<line-number>]"
end

unless ARGV.first
  print_usage
  exit 1
end

filename = ARGV.first.split(":").first
line_number = ARGV.first.split(":").last.to_i

file_contents = File.read Pathname.new(".").join(filename).to_s

if line_number
  nearest_test_definition = file_contents.lines[0...line_number].reverse.find do |line|
    line.strip =~ /(?:test|should|context|describe)\s+(?:['"]|%[qQ][\[{|\(])(.*)[|\]}'"]/
  end

  if nearest_test_definition
    ARGV << "--name"
    ARGV << "\"/#{$1.gsub(/"/, %q|"'"'"|)}/\""
  end
end

puts "NO_COVERAGE_REPORT=true ruby -Ilib:test #{filename} #{ARGV[1..-1].join(" ")}"
exec "NO_COVERAGE_REPORT=true ruby -Ilib:test #{filename} #{ARGV[1..-1].join(" ")}"