Class: Reflection

Inherits:
Object
  • Object
show all
Defined in:
lib/Reflection.rb

Direct Known Subclasses

Control

Constant Summary collapse

TIME =

Keys.

"t"
INPUT = 
"i"
OUTPUT = 
"o"
TYPE = 
"T"
COUNT = 
"C"
VALUE = 
"V"
STATUS = 
"s"
MESSAGE = 
"m"
PASS =

Values.

"p"
FAIL = 
"f"

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(execution, method, ruler) ⇒ Reflection

Returns a new instance of Reflection.



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# File 'lib/Reflection.rb', line 18

def initialize(execution, method, ruler)

  @execution = execution
  @method = method
  @ruler = ruler

  # Clone the execution's object.
  @clone = execution.object.clone
  @clone_id = nil

  # Result.
  @status = nil
  @time = Time.now.to_i
  @inputs = []
  @output = nil

end

Instance Attribute Details

#clone ⇒ Object

Returns the value of attribute clone.



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# File 'lib/Reflection.rb', line 16

def clone
  @clone
end

Instance Method Details

#normalize_input(args) ⇒ Object

Normalize inputs.

Parameters:

  • args —

    • The actual inputs.

Returns:

    • A generic inputs representation.



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# File 'lib/Reflection.rb', line 112

def normalize_input(args)
  inputs = []
  args.each do |arg|
    input = {
      TYPE => arg.class.to_s,
      VALUE => normalize_value(arg)
    }
    if (arg.class == Array)
      input[COUNT] = arg.count
    end
    inputs << input
  end
  inputs
end

#normalize_output(input) ⇒ Object

Normalize output.

Parameters:

  • input —

    • The actual output.

Returns:

    • A generic output representation.



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# File 'lib/Reflection.rb', line 133

def normalize_output(input)

  output = {
    TYPE => input.class.to_s,
    VALUE => normalize_value(input)
  }

  if (input.class == Array || input.class == Hash)
    output[COUNT] = input.count
  elsif (input.class == TrueClass || input.class == FalseClass)
    output[TYPE] = :Boolean
  end

  return output

end

#normalize_value(value) ⇒ Object 



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# File 'lib/Reflection.rb', line 150

def normalize_value(value)

  unless value.nil?
    value = value.to_s.gsub(/\r?\n/, " ").to_s
    if value.length >= 30
      value = value[0, value.rindex(/\s/,30)].rstrip() + '...'
    end
  end

  return value

end

#reflect(*args) ⇒ Object

Reflect on a method.

Creates a shadow execution stack.

Parameters:

  • method —

    • The name of the method.

  • *args —

    • The method arguments.

Returns:

    • A reflection hash.



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# File 'lib/Reflection.rb', line 46

def reflect(*args)

  # Create deviated arguments.
  args.each do |arg|
    case arg
    when Integer
      @inputs << rand(999)
    else
      @inputs << arg
    end
  end

  # Action method with new arguments.
  begin

    # Validate input with controls.
    unless @ruler.nil?
      if @ruler.validate_inputs(@inputs)
        @status = PASS
      else
        @status = FAIL
      end
    end

    # Run reflection.
    @output = @clone.send(@method, *@inputs)

    # Validate output with controls.
    unless @ruler.nil?
      if @ruler.validate_output(@output)
        @status = PASS
      else
        @status = FAIL
      end
      return
    end

  # When fail.
  rescue StandardError => message
    @status = FAIL
    @message = message

  # When no validation and execution fails.
  else
    @status = PASS
  end

end

#result ⇒ Object 



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# File 'lib/Reflection.rb', line 95

def result()
  # Build reflection.
  reflection = {
    TIME => @time,
    STATUS => @status,
    INPUT => normalize_input(@inputs),
    OUTPUT => normalize_output(@output),
    MESSAGE => @message
  }
end