auto_const_to_set_spec.rb

# frozen_string_literal: true

RSpec.describe RuboCop::AST::AutoConstToSet do
  let(:mod) do
    Module.new do
      extend RuboCop::AST::AutoConstToSet

      WORDS = %w[hello world].freeze
    end
  end

  it 'automatically creates set variants for array constants' do
    expect(mod.constants).not_to include :WORDS_SET
    expect(mod::WORDS_SET).to eq Set['hello', 'world']
    expect { mod::WORDS_SET_SET }.to raise_error(TypeError)
  end
end