Module: Facter::Util::ApiDebugger

Defined in:
lib/facter/util/api_debugger.rb

Class Method Summary collapse

Class Method Details

.parse_options(options) ⇒ Object 



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# File 'lib/facter/util/api_debugger.rb', line 31

def self.parse_options(options)
  exclude = []
  print_caller = []

  options.split(',').each do |option|
    if option.start_with?('-')
      exclude << option[1..-1].to_sym
    elsif option.start_with?('+')
      print_caller << option[1..-1].to_sym
    end
  end

  [exclude, print_caller]
end

.prepended(receiver) ⇒ Object 



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# File 'lib/facter/util/api_debugger.rb', line 6

def self.prepended(receiver)
  exclude, print_caller = parse_options(ENV.fetch('API_DEBUG', nil))

  receiver_methods = receiver.instance_methods - Object.methods
  receiver_methods.each do |meth|
    ApiDebugger.class_eval do
      define_method(meth) do |*args|
        method_call = super(*args)

        unless exclude.include?(meth)
          puts '#' * 80
          puts "Method call: #{meth}"
          puts "Called with: #{args.inspect}"
          if print_caller.include?(meth)
            puts '-' * 80
            puts caller
          end
          puts '#' * 80
        end
        method_call
      end
    end
  end
end