Wrapper script for running ruby tests

rubytest

#!/usr/bin/env ruby

require 'pathname'
require 'optparse'

USAGE = "Usage: rubytest [OPTIONS] FILE..."

debug = true
args = []

OptionParser.new do |opts|
  opts.banner = USAGE
  opts.on('-n', '--name TEST_NAME') { |name| args << "-n#{name}" }
  opts.on('-u', '--test-string TEST_STRING') { |name| args << ['-n', "test_#{name.tr(' ', '_')}"] }
  opts.on('-rLIBRARY') { |name| args << ["-r", name].join }
  opts.on('--seed SEED') { |seed| args << "--seed=#{seed}" }
end.parse!

tests = ARGV
tests.empty? and abort USAGE


def find_project_root
  path = Pathname.pwd
  until path.join('test').directory?
    return if path.root?
    path = path.parent
  end
  path
end


def which(program)
  paths = ENV['PATH'].split(':').map{ |d| Pathname.new(d).join(program) }
  paths.detect(&:executable?)
end

def homedir
  Dir.respond_to?(:home) ? Dir.home : ENV['HOME']
end

LOADER_RUBY_PATH = "/rake/rake_test_loader.rb"
RAKE_TEST_LOADER_DIR = $:.detect{ |d| File.exists?(d + LOADER_RUBY_PATH) }
RAKE_TEST_LOADER_PATH = RAKE_TEST_LOADER_DIR + LOADER_RUBY_PATH

ENV['BACKTRACE'] = '1' # show full trace in tests

project_root = find_project_root or abort "Could not find the project's top level directory"

tests.map! do |test|
  Pathname.new(test).expand_path.relative_path_from(project_root).to_s
end
Dir.chdir project_root
cmd = ["bundle", "exec", "ruby", "-Ilib:test", "-I#{RAKE_TEST_LOADER_DIR}", RAKE_TEST_LOADER_PATH, *args, *tests]

exec *cmd