PSync: initial commit

refs: #4641

Change-Id: Iabed3ad7632544d97559e6798547b7972b416784
diff --git a/tests/test-producer-base.cpp b/tests/test-producer-base.cpp
new file mode 100644
index 0000000..9664b04
--- /dev/null
+++ b/tests/test-producer-base.cpp
@@ -0,0 +1,85 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2014-2018,  The University of Memphis
+ *
+ * This file is part of PSync.
+ * See AUTHORS.md for complete list of PSync authors and contributors.
+ *
+ * PSync 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.
+ *
+ * PSync 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
+ * PSync, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ **/
+
+#include "producer-base.hpp"
+#include "detail/util.hpp"
+
+#include <boost/test/unit_test.hpp>
+#include <ndn-cxx/name.hpp>
+#include <ndn-cxx/data.hpp>
+#include <ndn-cxx/interest.hpp>
+#include <ndn-cxx/util/dummy-client-face.hpp>
+
+namespace psync {
+
+using namespace ndn;
+
+BOOST_AUTO_TEST_SUITE(TestProducerBase)
+
+BOOST_AUTO_TEST_CASE(Ctor)
+{
+  util::DummyClientFace face;
+  BOOST_REQUIRE_NO_THROW(ProducerBase(40, face, Name("/psync"), Name("/testUser")));
+}
+
+BOOST_AUTO_TEST_CASE(Basic)
+{
+  util::DummyClientFace face;
+  Name userNode("/testUser");
+  ProducerBase producerBase(40, face, Name("/psync"), userNode);
+  // Hash table size should be 40 + 40/2 = 60 (which is perfectly divisible by N_HASH = 3)
+  BOOST_CHECK_EQUAL(producerBase.m_iblt.getHashTable().size(), 60);
+  BOOST_CHECK_EQUAL(producerBase.getSeqNo(userNode).value(), 0);
+
+  producerBase.updateSeqNo(userNode, 1);
+  BOOST_CHECK(producerBase.getSeqNo(userNode.toUri()).value() == 1);
+
+  std::string prefixWithSeq = Name(userNode).appendNumber(1).toUri();
+  uint32_t hash = producerBase.m_prefix2hash[prefixWithSeq];
+  BOOST_CHECK_EQUAL(producerBase.m_hash2prefix[hash], userNode.toUri());
+
+  producerBase.removeUserNode(userNode);
+  BOOST_CHECK(producerBase.getSeqNo(userNode.toUri()) == ndn::nullopt);
+  BOOST_CHECK(producerBase.m_prefix2hash.find(prefixWithSeq) == producerBase.m_prefix2hash.end());
+  BOOST_CHECK(producerBase.m_hash2prefix.find(hash) == producerBase.m_hash2prefix.end());
+
+  Name nonExistentUserNode("/notAUser");
+  producerBase.updateSeqNo(nonExistentUserNode, 1);
+  BOOST_CHECK(producerBase.m_prefix2hash.find(Name(nonExistentUserNode).appendNumber(1).toUri()) ==
+              producerBase.m_prefix2hash.end());
+}
+
+BOOST_AUTO_TEST_CASE(ApplicationNack)
+{
+  util::DummyClientFace face;
+  ProducerBase producerBase(40, face, Name("/psync"), Name("/testUser"));
+
+  BOOST_CHECK_EQUAL(face.sentData.size(), 0);
+  producerBase.m_syncReplyFreshness = time::milliseconds(1000);
+  producerBase.sendApplicationNack(Name("test"));
+  face.processEvents(time::milliseconds(10));
+  BOOST_CHECK_EQUAL(face.sentData.size(), 1);
+
+  Data data = *face.sentData.begin();
+  BOOST_CHECK_EQUAL(data.getContentType(), ndn::tlv::ContentType_Nack);
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+
+} // namespace psync