Class: Minitest::TestTask

# File 'lib/minitest/test_task.rb', line 109

def initialize name = :test # :nodoc:
  self.extra_args   = []
  self.framework    = %(require "minitest/autorun")
  self.libs         = %w[lib test .]
  self.name         = name
  self.test_globs   = ["test/**/test_*.rb",
                       "test/**/*_test.rb"]
  self.test_prelude = nil
  self.verbose      = Rake.application.options.trace
  self.warning      = true
end

# File 'lib/minitest/test_task.rb', line 44

def self.create name = :test, &block
  task = new name
  task.instance_eval(&block) if block
  task.process_env
  task.define
  task
end

# File 'lib/minitest/test_task.rb', line 62

attr_accessor :extra_args

# File 'lib/minitest/test_task.rb', line 163

def define # :nodoc:
  desc "Run the test suite. Use N, X, A, and TESTOPTS to add flags/args."
  task name do
    ruby make_test_cmd, verbose:verbose
  end

  desc "Print out the test command. Good for profiling and other tools."
  task "#{name}:cmd" do
    puts "ruby #{make_test_cmd}"
  end

  desc "Show which test files fail when run in isolation."
  task "#{name}:isolated" do
    tests = Dir[*self.test_globs].uniq

    # 3 seems to be the magic number... (tho not by that much)
    bad, good, n = {}, [], (ENV.delete("K") || 3).to_i
    file = ENV.delete("F")
    times = {}

    tt0 = Time.now

    n.threads_do tests.sort do |path|
      t0 = Time.now
      output = `#{Gem.ruby} #{make_test_cmd path} 2>&1`
      t1 = Time.now - t0

      times[path] = t1

      if $?.success?
        $stderr.print "."
        good << path
      else
        $stderr.print "x"
        bad[path] = output
      end
    end

    puts "done"
    puts "Ran in %.2f seconds" % [ Time.now - tt0 ]

    if file then
      require "json"
      File.open file, "w" do |io|
        io.puts JSON.pretty_generate times
      end
    end

    unless good.empty?
      puts
      puts "# Good tests:"
      puts
      good.sort.each do |path|
        puts "%.2fs: %s" % [times[path], path]
      end
    end

    unless bad.empty?
      puts
      puts "# Bad tests:"
      puts
      bad.keys.sort.each do |path|
        puts "%.2fs: %s" % [times[path], path]
      end
      puts
      puts "# Bad Test Output:"
      puts
      bad.sort.each do |path, output|
        puts
        puts "# #{path}:"
        puts output
      end
      exit 1
    end
  end

  task "#{name}:deps" => "#{name}:isolated" # now just an alias

  desc "Show bottom 25 tests wrt time."
  task "#{name}:slow" do
    sh ["rake #{name} A=-v",
        "egrep '#test_.* s = .'",
        "sort -n -k2 -t=",
        "tail -25"].join " | "
  end
end