Using IO or rescuing exceptions when setting a timeout about mini_racer HOT 3 OPEN

# frozen_string_literal: true

require "bundler/inline"

gemfile do
  source "https://rubygems.org"

  gem "mini_racer", "0.12.0"
end

require "libv8-node"

puts "RUBY_VERSION : #{RUBY_VERSION}"
puts "RUBY_PLATFORM: #{RUBY_PLATFORM}"
puts "MiniRacer::VERSION: #{MiniRacer::VERSION}"
puts "Libv8::Node::LIBV8_VERSION: #{Libv8::Node::LIBV8_VERSION}"
puts "=" * 80

def sleep_rescue(duration_ms)
  sleep duration_ms.to_f / 1000
  :result_a
rescue MiniRacer::ScriptTerminatedError => e
  puts "attached: TIMEOUT! #{e.class} - #{e.message}"
  :timeout
rescue => e
  puts "attached: ERROR: #{e.class} - #{e.message}"
end

def sleep_no_rescue(duration_ms)
  sleep duration_ms.to_f / 1000
  :result_b
end

js_context = MiniRacer::Context.new(timeout: 10)
js_context.attach("sleep_rescue", method(:sleep_rescue))
js_context.attach("sleep_no_rescue", method(:sleep_no_rescue))

started = Time.now
puts "sleep_rescue:"
begin
  result = js_context.call("sleep_rescue", 1000)
  puts "RESULT: #{result}"
rescue => e
  puts "ERROR: #{e.class} - #{e.message}"
end
puts "==> #{Time.now - started} sec"
puts

started = Time.now
puts "sleep_no_rescue:"
begin
  result = js_context.call("sleep_no_rescue", 1000)
  puts "RESULT: #{result}"
rescue => e
  puts "ERROR: #{e.class} - #{e.message}"
end
puts "==> #{Time.now - started} sec"