lib/mutant/mutator/node/named_value/constant_assignment.rb


# frozen_string_literal: true

module Mutant
  class Mutator
    class Node
      module NamedValue

        # Mutation emitter to handle constant assignment nodes
        class ConstantAssignment < Node

          children :cbase, :name, :value

          handle :casgn

        private

          def dispatch
            mutate_name
            return unless value # op asgn
            emit_value_mutations
            emit_remove_const
          end

          def emit_remove_const
            emit(s(:send, cbase, :remove_const, s(:sym, name)))
          end

          def mutate_name
            Util::Symbol.call(input: name, parent: nil).each do |name|
              emit_name(name.upcase)
            end
          end

        end # ConstantAssignment
      end # NamedValue
    end # Node
  end # Mutator
end # Mutant