tests: register instead of install DummyStrategy
refs #3868
Change-Id: I5e44582625be51ef874e2a92e4bb7cc22d5b607b
diff --git a/tests/daemon/fw/choose-strategy.hpp b/tests/daemon/fw/choose-strategy.hpp
new file mode 100644
index 0000000..9ecc54b
--- /dev/null
+++ b/tests/daemon/fw/choose-strategy.hpp
@@ -0,0 +1,64 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014-2016, Regents of the University of California,
+ * Arizona Board of Regents,
+ * Colorado State University,
+ * University Pierre & Marie Curie, Sorbonne University,
+ * Washington University in St. Louis,
+ * Beijing Institute of Technology,
+ * The University of Memphis.
+ *
+ * This file is part of NFD (Named Data Networking Forwarding Daemon).
+ * See AUTHORS.md for complete list of NFD authors and contributors.
+ *
+ * NFD is free software: you can redistribute it and/or modify it under the terms
+ * of the GNU General Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later version.
+ *
+ * NFD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * NFD, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef NFD_TESTS_DAEMON_FW_CHOOSE_STRATEGY_HPP
+#define NFD_TESTS_DAEMON_FW_CHOOSE_STRATEGY_HPP
+
+#include "fw/forwarder.hpp"
+#include "table/strategy-choice.hpp"
+
+namespace nfd {
+namespace fw {
+class Strategy;
+} // namespace fw
+
+namespace tests {
+
+/** \brief choose the strategy for a namespace
+ * \tparam S strategy type, must be a complete type
+ * \param forwarder the forwarder
+ * \param prefix namespace to choose the strategy for
+ * \param instanceName strategy instance name; the strategy must already be registered
+ * \throw std::invalid_argument cannot find strategy by instanceName
+ * \throw std::bad_cast strategy type is incompatible with S
+ * \return a reference to the strategy
+ */
+template<typename S>
+typename std::enable_if<std::is_base_of<fw::Strategy, S>::value, S&>::type
+choose(Forwarder& forwarder, const Name& prefix = "/",
+ const Name& instanceName = S::getStrategyName())
+{
+ StrategyChoice& sc = forwarder.getStrategyChoice();
+ bool isInserted = sc.insert(prefix, instanceName);
+ if (!isInserted) {
+ BOOST_THROW_EXCEPTION(std::invalid_argument("cannot create strategy"));
+ }
+ return dynamic_cast<S&>(sc.findEffectiveStrategy(prefix));
+}
+
+} // namespace tests
+} // namespace nfd
+
+#endif // NFD_TESTS_DAEMON_FW_CHOOSE_STRATEGY_HPP