Class: BarcodeValidation::GTIN::CheckDigit

Inherits:
Digit
  • Object
show all
Includes:
Mixin::ValueObject
Defined in:
lib/barcodevalidation/gtin.rb

Constant Summary

Constants inherited from Digit

Digit::ArgumentError, Digit::INTEGER_CAST_ERRORS

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Mixin::ValueObject

#eql?, included, #pretty_print

Methods inherited from Digit

memoization_key

Constructor Details

#initialize(actual, expected: nil) ⇒ CheckDigit

Returns a new instance of CheckDigit.



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# File 'lib/barcodevalidation/gtin.rb', line 25

def initialize(actual, expected: nil)
  expected = actual if expected.nil?
  @expected = Digit.new(expected)
  @actual = Digit.new(actual)
  super(@actual)
end

Instance Attribute Details

#actual ⇒ Object (readonly)

Returns the value of attribute actual.



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# File 'lib/barcodevalidation/gtin.rb', line 23

def actual
  @actual
end

#expected ⇒ Object (readonly)

Returns the value of attribute expected.



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# File 'lib/barcodevalidation/gtin.rb', line 23

def expected
  @expected
end

Instance Method Details

#inspect ⇒ Object 



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# File 'lib/barcodevalidation/gtin.rb', line 36

def inspect
  return super if valid?
  "#<#{self.class}(#{actual}) invalid: expected #{expected}>"
end

#valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/barcodevalidation/gtin.rb', line 32

def valid?
  actual == expected
end