Module: Reality::Logging

Defined in:
lib/reality/logging.rb

Defined Under Namespace

Modules: Assertions

Class Method Summary collapse

Class Method Details

.configure(module_type, level = ::Logger::INFO, stream = STDOUT) ⇒ Object

noinspection RubyDynamicConstAssignment



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# File 'lib/reality/logging.rb', line 52

def configure(module_type, level = ::Logger::INFO, stream = STDOUT)
  logger = ::Logger.new(stream)
  logger.level = level
  logger.formatter = proc { |severity, datetime, progname, msg| "#{msg}\n" }

  module_type.const_set(:Logger, logger)
  module_type.instance_eval do
    def self.debug(message)
      self.const_get(:Logger).debug(message)
    end

    def self.info(message)
      self.const_get(:Logger).info(message)
    end

    def self.warn(message)
      self.const_get(:Logger).warn(message)
    end

    def self.error(message)
      self.const_get(:Logger).error(message)
      raise message
    end
  end
end

.set_levels(levels, *loggers) ⇒ Object

Set the levels on an array of loggers. The levels parameter must be an array matching the number of loggers supplied or a single level. If a block is supplied then the levels are set to the specified values for the duration of the block and then reset to original values after the block completes.



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# File 'lib/reality/logging.rb', line 24

def set_levels(levels, *loggers)
  if levels.is_a?(Array) && levels.size != loggers.size
    raise "Attempting to set log levels using an array of size #{levels.size} that does not match the number of loggers supplied #{loggers.size}"
  end

  if block_given?
    saved_levels = []
    loggers.each_with_index do |logger, index|
      saved_levels[index] = logger.level
    end
    begin
      loggers.each_with_index do |logger, index|
        logger.level = levels.is_a?(Array) ? levels[index] : levels
      end
      yield
    ensure
      loggers.each_with_index do |logger, index|
        logger.level = saved_levels[index]
      end
    end
  else
    loggers.each_with_index do |logger, index|
      logger.level = levels.is_a?(Array) ? levels[index] : levels
    end
  end
end