Module: RubyProf::Test

Defined in:
lib/ruby-prof/test.rb

Constant Summary collapse

PROFILE_OPTIONS = 
{
:measure_modes => [RubyProf::PROCESS_TIME],
:count => 10,
:printers => [RubyProf::FlatPrinter, RubyProf::GraphHtmlPrinter],
:min_percent => 0.05,
:output_dir => Dir.pwd }

Instance Method Summary collapse

Instance Method Details

#format_profile_total(total, measure_mode) ⇒ Object 



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# File 'lib/ruby-prof/test.rb', line 95

def format_profile_total(total, measure_mode)
  case measure_mode
    when RubyProf::PROCESS_TIME, RubyProf::WALL_TIME
      "%.2f seconds" % total
    when RubyProf::MEMORY
      "%.2f kilobytes" % total
    when RubyProf::ALLOCATIONS
      "%d allocations" % total
    else
      "%.2f #{measure_mode}"
  end
end

#measure_mode_name(measure_mode) ⇒ Object 



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# File 'lib/ruby-prof/test.rb', line 138

def measure_mode_name(measure_mode)
  case measure_mode
    when RubyProf::PROCESS_TIME; 'process_time'
    when RubyProf::WALL_TIME; 'wall_time'
    when RubyProf::MEMORY; 'memory'
    when RubyProf::ALLOCATIONS; 'allocations'
    else "measure#{measure_mode}"
  end
end

#output_dir ⇒ Object 



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# File 'lib/ruby-prof/test.rb', line 15

def output_dir
  PROFILE_OPTIONS[:output_dir]
end

#report_filename(printer, measure_mode) ⇒ Object

The report filename is test_name + measure_mode + report_type



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# File 'lib/ruby-prof/test.rb', line 125

def report_filename(printer, measure_mode)
  suffix =
    case printer
      when RubyProf::FlatPrinter; 'flat.txt'
      when RubyProf::GraphPrinter; 'graph.txt'
      when RubyProf::GraphHtmlPrinter; 'graph.html'
      when RubyProf::CallTreePrinter; 'tree.txt'
      else printer.to_s.downcase
    end

  "#{output_dir}/#{method_name}_#{measure_mode_name(measure_mode)}_#{suffix}"
end

#report_profile(data, measure_mode) ⇒ Object 



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# File 'lib/ruby-prof/test.rb', line 108

def report_profile(data, measure_mode)
  PROFILE_OPTIONS[:printers].each do |printer_klass|
    printer = printer_klass.new(data)

    # Makes sure the output directory exits
    FileUtils.mkdir_p(output_dir)

    # Open the file
    file_name = report_filename(printer, measure_mode)

    File.open(file_name, 'wb') do |file|
      printer.print(file, PROFILE_OPTIONS)
    end
  end
end

#run(result) {|self.class::STARTED, name| ... } ⇒ Object

Yields:

  • (self.class::STARTED, name) 


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# File 'lib/ruby-prof/test.rb', line 19

def run(result)
  return if @method_name.to_s == "default_test"

  yield(self.class::STARTED, name)
  @_result = result
  run_warmup
  PROFILE_OPTIONS[:measure_modes].each do |measure_mode|
    data = run_profile(measure_mode)
    report_profile(data, measure_mode)
    result.add_run
  end
  yield(self.class::FINISHED, name)
end

#run_profile(measure_mode) ⇒ Object 



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# File 'lib/ruby-prof/test.rb', line 63

def run_profile(measure_mode)
  RubyProf.measure_mode = measure_mode

  print '  '
  PROFILE_OPTIONS[:count].times do |i|
    run_test do
      begin
        print '.'
        $stdout.flush
        GC.disable

        RubyProf.resume do
          __send__(@method_name)
        end
      ensure
        GC.enable
      end
    end
  end

  data = RubyProf.stop
  bench = data.threads.values.inject(0) do |total, method_infos|
    top = method_infos.max
    total += top.total_time
    total
  end

  puts "\n  #{measure_mode_name(measure_mode)}: #{format_profile_total(bench, measure_mode)}\n"

  data
end

#run_test ⇒ Object 



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# File 'lib/ruby-prof/test.rb', line 33

def run_test
  begin
    setup
    yield
  rescue ::Test::Unit::AssertionFailedError => e
    add_failure(e.message, e.backtrace)
  rescue StandardError, ScriptError
    add_error($!)
  ensure
    begin
      teardown
    rescue ::Test::Unit::AssertionFailedError => e
      add_failure(e.message, e.backtrace)
    rescue StandardError, ScriptError
      add_error($!)
    end
  end
end

#run_warmup ⇒ Object 



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# File 'lib/ruby-prof/test.rb', line 52

def run_warmup
  print "\n#{self.class.name}##{method_name}"

  run_test do
    bench = Benchmark.realtime do
      __send__(@method_name)
    end
    puts " (%.2fs warmup)" % bench
  end
end