class Minitest::Parallel::Executor

The engine used to run multiple tests in parallel.

Attributes

size [R] untyped

The size of the pool of workers.

Public Class Methods

(untyped size) → void

Source

# File vendor/bundle/ruby/4.0.0/gems/minitest-6.0.6/lib/minitest/parallel.rb, line 19
def initialize size
  @size  = size
  @queue = Thread::Queue.new
  @pool  = nil
end

Create a parallel test executor of with size workers.

Public Instance Methods

<< (work)

(untyped work) → untyped

Source

# File vendor/bundle/ruby/4.0.0/gems/minitest-6.0.6/lib/minitest/parallel.rb, line 45
def << work; @queue << work; end

Add a job to the queue

shutdown ()

() → untyped

Source

# File vendor/bundle/ruby/4.0.0/gems/minitest-6.0.6/lib/minitest/parallel.rb, line 52
def shutdown
  size.times { @queue << nil }
  @pool.each(&:join)
end

Shuts down the pool of workers by signalling them to quit and waiting for them all to finish what they’re currently working on.

start ()

() → untyped

Source

# File vendor/bundle/ruby/4.0.0/gems/minitest-6.0.6/lib/minitest/parallel.rb, line 28
def start
  @pool  = Array.new(size) {
    Thread.new @queue do |queue|
      Thread.current.abort_on_exception = true
      while job = queue.pop do
        klass, method, reporter = job
        reporter.synchronize { reporter.prerecord klass, method }
        result = klass.new(method).run
        reporter.synchronize { reporter.record result }
      end
    end
  }
end

Start the executor