Class: Actor::TestFixtures::ParallelIteration

Inherits:
Object
  • Object
show all
Includes:
TestBench::Fixture
Defined in:
lib/actor/test_fixtures/parallel_iteration.rb

Defined Under Namespace

Modules: Defaults

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(iteration_proc, prose) ⇒ ParallelIteration

Returns a new instance of ParallelIteration.



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# File 'lib/actor/test_fixtures/parallel_iteration.rb', line 15

def initialize iteration_proc, prose
  @iteration_proc = iteration_proc
  @prose = prose
end

Instance Attribute Details

#iteration_count ⇒ Object 



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# File 'lib/actor/test_fixtures/parallel_iteration.rb', line 89

def iteration_count
  @iteration_count ||= Defaults.iteration_count
end

#iteration_proc ⇒ Object (readonly)

Returns the value of attribute iteration_proc.



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# File 'lib/actor/test_fixtures/parallel_iteration.rb', line 7

def iteration_proc
  @iteration_proc
end

#prose ⇒ Object (readonly)

Returns the value of attribute prose.



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# File 'lib/actor/test_fixtures/parallel_iteration.rb', line 12

def prose
  @prose
end

#setup_proc ⇒ Object 



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# File 'lib/actor/test_fixtures/parallel_iteration.rb', line 100

def setup_proc
  @setup_proc ||= proc {}
end

#setup_thread_proc ⇒ Object 



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# File 'lib/actor/test_fixtures/parallel_iteration.rb', line 104

def setup_thread_proc
  @setup_thread_proc ||= proc {}
end

#teardown_proc ⇒ Object 



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# File 'lib/actor/test_fixtures/parallel_iteration.rb', line 108

def teardown_proc
  @teardown_proc ||= proc {}
end

#test_proc ⇒ Object

Returns the value of attribute test_proc.



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# File 'lib/actor/test_fixtures/parallel_iteration.rb', line 11

def test_proc
  @test_proc
end

#thread_count ⇒ Object 



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# File 'lib/actor/test_fixtures/parallel_iteration.rb', line 116

def thread_count
  @thread_count ||= Defaults.thread_count
end

Class Method Details

.build(prose, each_iteration:, test: nil, setup: nil, setup_thread: nil, teardown: nil, iterations: nil, threads: nil) ⇒ Object 



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# File 'lib/actor/test_fixtures/parallel_iteration.rb', line 20

def self.build prose, each_iteration:, test: nil, setup: nil, setup_thread: nil, teardown: nil, iterations: nil, threads: nil
  instance = new each_iteration, prose
  instance.iteration_count = iterations
  instance.setup_proc = setup
  instance.setup_thread_proc = setup_thread
  instance.teardown_proc = teardown
  instance.test_proc = test
  instance.thread_count = threads
  instance
end

.call(*arguments) ⇒ Object 



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# File 'lib/actor/test_fixtures/parallel_iteration.rb', line 31

def self.call *arguments
  instance = build *arguments
  instance.()
end

Instance Method Details

#call ⇒ Object 



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# File 'lib/actor/test_fixtures/parallel_iteration.rb', line 36

def call
  instance_exec &setup_proc

  threads = thread_count.times.map do |index|
    thread = Thread.new do
      Thread.stop

      instance_exec &setup_thread_proc

      iteration_count.times do
        instance_exec &iteration_proc
      end

      prose = "#{self.prose} (Thread: #{index + 1}/#{thread_count})"

      if test_proc
        test prose do
          instance_exec &test_proc
        end
      else
        context prose
      end
    end
    thread.abort_on_exception = true
    thread
  end

  Thread.pass until threads.all? &:stop?

  context "Started #{thread_count} threads; each will iterate #{iteration_count} times"

  t0 = Time.now

  threads.each &:wakeup
  threads.each &:join

  t1 = Time.now

  elapsed_time = t1 - t0

  total_iterations = thread_count * iteration_count

  iterations_per_second = Rational total_iterations, elapsed_time

  context "Finished %i iterations across %i threads in %.2fs; %.2f iterations per second" %
    [total_iterations, thread_count, elapsed_time, iterations_per_second]

  return iteration_count, thread_count

ensure
  instance_exec &teardown_proc
end

#print_debug(receiver) ⇒ Object 



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# File 'lib/actor/test_fixtures/parallel_iteration.rb', line 93

def print_debug receiver
  str = receiver.inspect
  str << "\n"

  $stdout.write str
end

#thread ⇒ Object 



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# File 'lib/actor/test_fixtures/parallel_iteration.rb', line 112

def thread
  Thread.current
end