# frozen_string_literal: true

module Assert; end
class Assert::Context; end

module Assert::Context::SubjectDSL
  # Add a piece of description text or return the full description
  # for the context.
  def description(text = nil)
    if text
      descriptions << text.to_s
    else
      parent = superclass.desc if superclass.respond_to?(:desc)
      own = descriptions
      [parent, *own].compact.reject(&:empty?).join(" ")
    end
  end
  alias_method :desc, :description
  alias_method :describe, :description

  def subject(&block)
    if block_given?
      @subject = block
    else
      @subject || (superclass.subject if superclass.respond_to?(:subject))
    end
  end

  protected

  def descriptions
    @descriptions ||= []
  end
end