Class: Question

Inherits:
Object
  • Object
show all
Includes:
Comparable
Defined in:
lib/Exam/question.rb

Overview

Clase para la gestion de preguntas de multiples opciones.

Direct Known Subclasses

TrueOrFalse

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(args) ⇒ Question

Inicializacion de una nueva instancia de una nueva pregunta a partir de un texto.

Raises:

  • (ArgumentError) 


20
21
22
23
24
25
26
27
28
 
# File 'lib/Exam/question.rb', line 20

def initialize (args)
	@qt = args[:qt]
	raise ArgumentError, "Se esperaba una pregunta" unless args.key?(:qt)
	@r1 = args[:r1]
	raise ArgumentError, "Se esperaba la respuesta correcta" unless args.key?(:r1)
	@wrong = args[:wrong]
	raise ArgumentError, "Se esperaba un array con las respuestas incorrectas" unless args.key?(:wrong)
	args.has_key?(:difficulty)? (@difficulty = args[:difficulty]) : (@difficulty = 1)
end

Instance Attribute Details

#difficulty ⇒ Object

Returns the value of attribute difficulty.



5
6
7
 
# File 'lib/Exam/question.rb', line 5

def difficulty
  @difficulty
end

#qt ⇒ Object

Returns the value of attribute qt.



5
6
7
 
# File 'lib/Exam/question.rb', line 5

def qt
  @qt
end

#r1 ⇒ Object

Returns the value of attribute r1.



5
6
7
 
# File 'lib/Exam/question.rb', line 5

def r1
  @r1
end

#wrong ⇒ Object

Returns the value of attribute wrong.



5
6
7
 
# File 'lib/Exam/question.rb', line 5

def wrong
  @wrong
end

Instance Method Details

#<=>(other) ⇒ Object 



10
11
12
 
# File 'lib/Exam/question.rb', line 10

def <=>(other)
	@difficulty <=> other.difficulty
end

#==(other) ⇒ Object 



14
15
16
 
# File 'lib/Exam/question.rb', line 14

def ==(other)
	@qt.eql?other.qt
end

#to_s ⇒ Object

Metodo to_s.



32
33
34
35
36
37
38
39
40
41
42
 
# File 'lib/Exam/question.rb', line 32

def to_s
	s = "#{@qt}\n"
	opt = [@r1] + @wrong
	opt = opt.shuffle
	i = 1
	opt.each do |o|
		s += "#{i}- #{o}\n"
		i += 1
	end
	s
end