diff --git a/tests/unit/daemon/db-mgr.cpp b/tests/unit/daemon/db-mgr.cpp
new file mode 100644
index 0000000..fb621d2
--- /dev/null
+++ b/tests/unit/daemon/db-mgr.cpp
@@ -0,0 +1,221 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014, Regents of the University of California.
+ *
+ * This file is part of NDNS (Named Data Networking Domain Name Service).
+ * See AUTHORS.md for complete list of NDNS authors and contributors.
+ *
+ * NDNS 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.
+ *
+ * NDNS 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
+ * NDNS, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "config.hpp"
+#include "daemon/db-mgr.hpp"
+#include "logger.hpp"
+
+#include "../../boost-test.hpp"
+#include <boost/filesystem.hpp>
+
+#include <algorithm>    // std::sort
+
+namespace ndn {
+namespace ndns {
+namespace tests {
+
+NDNS_LOG_INIT("DbMgrTest")
+
+BOOST_AUTO_TEST_SUITE(DbMgr)
+
+static const boost::filesystem::path TEST_DATABASE2 = TEST_CONFIG_PATH "/" "test-ndns.db";
+
+class DbMgrFixture
+{
+public:
+  DbMgrFixture()
+    : session(TEST_DATABASE2.string())
+  {
+  }
+
+  ~DbMgrFixture()
+  {
+    session.close();
+    boost::filesystem::remove(TEST_DATABASE2);
+    NDNS_LOG_INFO("remove database " << TEST_DATABASE2);
+  }
+
+public:
+  ndns::DbMgr session;
+};
+
+
+
+BOOST_FIXTURE_TEST_CASE(Zones, DbMgrFixture)
+{
+  Zone zone1;
+  zone1.setName("/net");
+  zone1.setTtl(time::seconds(4600));
+  BOOST_CHECK_NO_THROW(session.insert(zone1));
+  BOOST_CHECK_GT(zone1.getId(), 0);
+
+  Zone zone2;
+  zone2.setName("/net");
+  session.find(zone2);
+  BOOST_CHECK_EQUAL(zone2.getId(), zone1.getId());
+  BOOST_CHECK_EQUAL(zone2.getTtl(), zone1.getTtl());
+
+  BOOST_CHECK_NO_THROW(session.insert(zone2)); // zone2 already has id.  Nothing to execute
+
+  zone2.setId(0);
+  BOOST_CHECK_THROW(session.insert(zone2), ndns::DbMgr::ExecuteError);
+
+  BOOST_CHECK_NO_THROW(session.remove(zone1));
+  BOOST_CHECK_EQUAL(zone1.getId(), 0);
+
+  // record shouldn't exist at this point
+  BOOST_CHECK_NO_THROW(session.find(zone2));
+  BOOST_CHECK_EQUAL(zone2.getId(), 0);
+}
+
+BOOST_FIXTURE_TEST_CASE(Rrsets, DbMgrFixture)
+{
+  Zone zone("/net");
+  Rrset rrset1(&zone);
+
+  // Add
+
+  rrset1.setLabel("/net/ksk-123");
+  rrset1.setType(name::Component("ID-CERT"));
+  rrset1.setVersion(name::Component::fromVersion(567));
+  rrset1.setTtl(time::seconds(4600));
+
+  static const std::string DATA1 = "SOME DATA";
+  rrset1.setData(dataBlock(ndn::tlv::Content, DATA1.c_str(), DATA1.size()));
+
+  BOOST_CHECK_EQUAL(rrset1.getId(), 0);
+  BOOST_CHECK_NO_THROW(session.insert(rrset1));
+  BOOST_CHECK_GT(rrset1.getId(), 0);
+  BOOST_CHECK_GT(rrset1.getZone()->getId(), 0);
+
+  // Lookup
+
+  Rrset rrset2(&zone);
+  rrset2.setLabel("/net/ksk-123");
+  rrset2.setType(name::Component("ID-CERT"));
+
+  bool isFound = false;
+  BOOST_CHECK_NO_THROW(isFound = session.find(rrset2));
+  BOOST_CHECK_EQUAL(isFound, true);
+
+  BOOST_CHECK_EQUAL(rrset2.getId(),      rrset1.getId());
+  BOOST_CHECK_EQUAL(rrset2.getLabel(),   rrset1.getLabel());
+  BOOST_CHECK_EQUAL(rrset2.getType(),    rrset1.getType());
+  BOOST_CHECK_EQUAL(rrset2.getVersion(), rrset1.getVersion());
+  BOOST_CHECK_EQUAL(rrset2.getTtl(),     rrset1.getTtl());
+  BOOST_CHECK(rrset2.getData() == rrset1.getData());
+
+  // Replace
+
+  rrset1.setVersion(name::Component::fromVersion(890));
+  static const std::string DATA2 = "ANOTHER DATA";
+  rrset1.setData(dataBlock(ndn::tlv::Content, DATA2.c_str(), DATA2.size()));
+
+  BOOST_CHECK_NO_THROW(session.update(rrset1));
+
+  rrset2 = Rrset(&zone);
+  rrset2.setLabel("/net/ksk-123");
+  rrset2.setType(name::Component("ID-CERT"));
+
+  isFound = false;
+  BOOST_CHECK_NO_THROW(isFound = session.find(rrset2));
+  BOOST_CHECK_EQUAL(isFound, true);
+
+  BOOST_CHECK_EQUAL(rrset2.getId(),      rrset1.getId());
+  BOOST_CHECK_EQUAL(rrset2.getLabel(),   rrset1.getLabel());
+  BOOST_CHECK_EQUAL(rrset2.getType(),    rrset1.getType());
+  BOOST_CHECK_EQUAL(rrset2.getVersion(), rrset1.getVersion());
+  BOOST_CHECK_EQUAL(rrset2.getTtl(),     rrset1.getTtl());
+  BOOST_CHECK(rrset2.getData() == rrset1.getData());
+
+  // Remove
+
+  BOOST_CHECK_NO_THROW(session.remove(rrset1));
+
+  rrset2 = Rrset(&zone);
+  rrset2.setLabel("/net/ksk-123");
+  rrset2.setType(name::Component("ID-CERT"));
+
+  isFound = false;
+  BOOST_CHECK_NO_THROW(isFound = session.find(rrset2));
+  BOOST_CHECK_EQUAL(isFound, false);
+
+  // Check error handling
+
+  rrset1 = Rrset();
+  BOOST_CHECK_THROW(session.insert(rrset1),  ndns::DbMgr::RrsetError);
+  BOOST_CHECK_THROW(session.find(rrset1),  ndns::DbMgr::RrsetError);
+
+  rrset1.setId(1);
+  BOOST_CHECK_THROW(session.update(rrset1), ndns::DbMgr::RrsetError);
+
+  rrset1.setId(0);
+  rrset1.setZone(&zone);
+  BOOST_CHECK_THROW(session.update(rrset1), ndns::DbMgr::RrsetError);
+
+  BOOST_CHECK_THROW(session.remove(rrset1),  ndns::DbMgr::RrsetError);
+
+  rrset1.setId(1);
+  BOOST_CHECK_NO_THROW(session.remove(rrset1));
+
+  rrset1.setZone(0);
+  rrset1.setId(1);
+  BOOST_CHECK_NO_THROW(session.remove(rrset1));
+}
+
+
+BOOST_FIXTURE_TEST_CASE(FindRrsets, DbMgrFixture)
+{
+  Zone zone("/");
+  Rrset rrset1(&zone);
+  rrset1.setLabel("/net/ksk-123");
+  rrset1.setType(name::Component("ID-CERT"));
+  rrset1.setVersion(name::Component::fromVersion(567));
+  rrset1.setTtl(time::seconds(4600));
+
+  static const std::string DATA1 = "SOME DATA";
+  rrset1.setData(dataBlock(ndn::tlv::Content, DATA1.data(), DATA1.size()));
+  session.insert(rrset1);
+
+  Rrset rrset2(&zone);
+  rrset2.setLabel("/net");
+  rrset2.setType(name::Component("NS"));
+  rrset2.setVersion(name::Component::fromVersion(232));
+  rrset2.setTtl(time::seconds(2100));
+  std::string data2 = "host1.net";
+  rrset2.setData(dataBlock(ndn::tlv::Content, data2.c_str(), data2.size()));
+  session.insert(rrset2);
+
+  std::vector<Rrset> vec = session.findRrsets(zone);
+  BOOST_CHECK_EQUAL(vec.size(), 2);
+
+  std::sort(vec.begin(),
+            vec.end(),
+            [] (const Rrset& n1, const Rrset& n2) {
+              return n1.getLabel().size() < n2.getLabel().size();
+            });
+  BOOST_CHECK_EQUAL(vec[0].getLabel(), "/net");
+  BOOST_CHECK_EQUAL(vec[1].getLabel(), "/net/ksk-123");
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+
+} // namespace tests
+} // namespace ndns
+} // namespace ndn