Class: Reflekt::Experiment

Inherits:
Reflection show all
Defined in:
lib/experiment.rb

Instance Attribute Summary

Attributes inherited from Reflection

#status

Instance Method Summary collapse

Methods inherited from Reflection

#initialize, #serialize

Constructor Details

This class inherits a constructor from Reflekt::Reflection

Instance Method Details

#randomize(args, input_rule_sets) ⇒ Dynamic

Create random values for each argument from control reflections.

Parameters:

  • args (Dynamic) —

    The arguments to mirror random values for.

  • input_rule_sets (Array) —

    Aggregated rule sets for each argument.

Returns:

  • (Dynamic) —

    Random arguments.



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# File 'lib/experiment.rb', line 84

def randomize(args, input_rule_sets)
  random_args = []

  args.each_with_index do |arg, arg_num|
    # Get a random rule in the rule set.
    rules = input_rule_sets[arg_num].rules
    agg_rule = rules[rules.keys.sample]

    # Create a random value that follows that rule.
    random_args << agg_rule.random()
  end

  return random_args
end

#reflect(*args) ⇒ Object

Reflect on a method.

Create a shadow action.

Parameters:

  • *args (Dynamic) —

    The method’s arguments.



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# File 'lib/experiment.rb', line 33

def reflect(*args)
  # Get aggregated rule sets.
  input_rule_sets = @aggregator.get_input_rule_sets(@klass, @method)
  output_rule_set = @aggregator.get_output_rule_set(@klass, @method)

  # Fail when no trained rule sets.
  if input_rule_sets.nil?
    @status = :fail
  end

  # When arguments exist.
  unless args.size == 0
    # Create random arguments from aggregated rule sets.
    unless input_rule_sets.nil?
      args = randomize(args, input_rule_sets)
    end

    # Create metadata for each argument.
    # TODO: Create metadata for other inputs such as instance variables.
    🔥"> Create meta for #{@method}(): #{args}", :info, :meta, @klass
    @inputs = MetaBuilder.create_many(args)
  end

  # Action method with random arguments.
  begin
    # Run reflection.
    output = @clone.send(@method, *args)
    @output = MetaBuilder.create(output)

    # Validate output against aggregated control rule sets.
    unless output_rule_set.nil?
      unless @aggregator.test_output(output, output_rule_set)
        @status = :fail
      end
    end

  # When a system error occurs.
  rescue StandardError => message
    @status = :fail
    @message = message
  end
end