Method getApprover

src/tests/master_load_tests.cpp:132–147

  }

  Future<shared_ptr<const ObjectApprover>> getApprover(
      const Option<authorization::Subject>& subject,
      const authorization::Action& action)
  {
    Future<shared_ptr<const ObjectApprover>> future =
      underlying_->getApprover(subject, action);

    if (!blocked_) {
      return future;
    }

    // The future is linked to the returned promise in `unleash()`.
    futures_.push(future);
    promises_.emplace();
    return promises_.back().future();
  }

  Future<size_t> pending()
  {