gistfile1.txt

require "awesome_print"
require "logging"

class Log
  attr_accessor :log

  def initialize
    @log = ::Logging.logger["test"]
    configure
  end

  def configure
    @log.level = :info
    @log.add_appenders(Appenders.stdout)
  end

  module Appenders
    def self.stdout
      Logging.appenders.stdout("stdout", layout: Logging.layouts.pattern(pattern: "%m\n"))
    end
  end
end

module Logger
  def log(message, level: :info)
    @logger.log.send(level, message)
  end

  def info(message)
    log(message, level: :info)
  end

  def debug(message)
    log(message, level: :debug)
  end

  def enable_debug
    @logger.log.level = :debug
  end

  def disable_debug
    @logger.log.level = :info
  end
end

class Test0
  include Logger

  attr_accessor :logger

  def initialize(log_driver:)
    @logger = log_driver
  end

  def run
    log "test0"
    info "test0 info"
    debug "test0 debug"
  end
end

class Test1
  include Logger

  attr_accessor :logger

  def initialize(log_driver:)
    @logger = log_driver
  end

  def run
    log "test1"
    info "test1 info"
    enable_debug
    debug "test1 debug"
    disable_debug
  end
end

logger = Log.new
t0 = Test0.new(log_driver: logger)
t1 = Test1.new(log_driver: logger)

t0.run
t1.run