Class: Cucumber::Core::Event

Inherits:
Object
  • Object
show all
Defined in:
lib/cucumber/core/event.rb

Class Method Summary collapse

Class Method Details

.event_id ⇒ Object

 @return [Symbol] the underscored name of the class to be used   as the key in an event registry.



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# File 'lib/cucumber/core/event.rb', line 45

def event_id
  underscore(self.name.split("::").last).to_sym
end

.new(*attributes) ⇒ Object

Macro to generate new sub-classes of Cucumber::Core::Event with attribute readers.



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# File 'lib/cucumber/core/event.rb', line 9

def self.new(*attributes)
  # Use normal constructor for subclasses of Event
  return super if self.ancestors.index(Event) > 0

  Class.new(Event) do
    attr_reader(*attributes)

    define_method(:initialize) do |*args|
      attributes.zip(args) do |name, value|
        instance_variable_set "@#{name}".to_sym, value
      end
    end

    define_method(:attributes) do
      attributes.map { |attribute| self.send(attribute) }
    end

    define_method(:to_h) do
      attributes.reduce({}) { |result, attribute| 
        value = self.send(attribute)
        result[attribute] = value
        result
      }
    end

    define_method(:event_id) do
      self.class.event_id
    end
  end
end