Class: MetadataPresenter::Operator

Inherits:
Object
  • Object
show all
Defined in:
app/operators/metadata_presenter/operator.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(operator) ⇒ Operator

Returns a new instance of Operator.



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# File 'app/operators/metadata_presenter/operator.rb', line 8

def initialize(operator)
  @operator = operator
end

Instance Attribute Details

#operator ⇒ Object (readonly)

Returns the value of attribute operator.



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# File 'app/operators/metadata_presenter/operator.rb', line 6

def operator
  @operator
end

Instance Method Details

#evaluate(actual, expected) ⇒ Object 



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# File 'app/operators/metadata_presenter/operator.rb', line 12

def evaluate(actual, expected)
  operator = klass.constantize.new(actual, expected)

  if expected.is_a?(Array)
    operator.evaluate_collection?
  else
    operator.evaluate?
  end
rescue NameError
  raise NoOperator,
        "Operator '#{operator}' is not implemented. You need to create the class #{klass}"
end

#klass ⇒ Object 



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# File 'app/operators/metadata_presenter/operator.rb', line 25

def klass
  "MetadataPresenter::#{@operator.capitalize.classify}Operator"
end