class Shoulda::Matchers::ActiveRecord::HaveSecureTokenMatcher

def has_expected_instance_methods?
  @subject.respond_to?(token_attribute.to_s) &&
    @subject.respond_to?("#{token_attribute}=") &&
    @subject.respond_to?("regenerate_#{token_attribute}") &&
    @subject.class.respond_to?(:generate_unique_secure_token)
end