Rufus-scheduler alive test

gistfile1.txt

# frozen_string_literal: true

require 'test_helper'

class RufusTest < ActionDispatch::IntegrationTest

  test 'rufus loading' do
    assert_predicate self, :rufus?
  end

  def rufus_running?(instance)
    return false unless instance.up?
    return false unless instance.thread.alive?

    true
  end

  def rufus?
    return false unless defined?(Rufus::Scheduler)

    ObjectSpace.each_object(Rufus::Scheduler) do |o|
      return true if rufus_running?(o)
    end

    false
  end
end