tools: implement 'nfdc cs info' command

refs #4219

Change-Id: I4252878943c3f6c88f306f83f5023fffc82326b0
diff --git a/tests/tools/nfdc/cs-module.t.cpp b/tests/tools/nfdc/cs-module.t.cpp
new file mode 100644
index 0000000..29a444b
--- /dev/null
+++ b/tests/tools/nfdc/cs-module.t.cpp
@@ -0,0 +1,71 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2014-2018,  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/>.
+ */
+
+#include "nfdc/cs-module.hpp"
+
+#include "status-fixture.hpp"
+
+#include <ndn-cxx/security/signing-helpers.hpp>
+
+namespace nfd {
+namespace tools {
+namespace nfdc {
+namespace tests {
+
+BOOST_AUTO_TEST_SUITE(Nfdc)
+BOOST_FIXTURE_TEST_SUITE(TestCsModule, StatusFixture<CsModule>)
+
+const std::string STATUS_XML = stripXmlSpaces(R"XML(
+  <cs>
+    <nHits>14363</nHits>
+    <nMisses>27462</nMisses>
+  </cs>
+)XML");
+
+const std::string STATUS_TEXT = std::string(R"TEXT(
+CS information:
+  nHits=14363 nMisses=27462
+)TEXT").substr(1);
+
+BOOST_AUTO_TEST_CASE(Status)
+{
+  this->fetchStatus();
+  CsInfo payload;
+  payload.setNHits(14363)
+         .setNMisses(27462);
+  this->sendDataset("/localhost/nfd/cs/info", payload);
+  this->prepareStatusOutput();
+
+  BOOST_CHECK(statusXml.is_equal(STATUS_XML));
+  BOOST_CHECK(statusText.is_equal(STATUS_TEXT));
+}
+
+BOOST_AUTO_TEST_SUITE_END() // TestCsModule
+BOOST_AUTO_TEST_SUITE_END() // Nfdc
+
+} // namespace tests
+} // namespace nfdc
+} // namespace tools
+} // namespace nfd