diff --git a/tests/daemon/face/dummy-lp-face.hpp b/tests/daemon/face/dummy-lp-face.hpp
new file mode 100644
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+++ b/tests/daemon/face/dummy-lp-face.hpp
@@ -0,0 +1,99 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014-2015,  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_FACE_DUMMY_LP_FACE_HPP
+#define NFD_TESTS_DAEMON_FACE_DUMMY_LP_FACE_HPP
+
+#include "face/lp-face.hpp"
+
+namespace nfd {
+namespace face {
+namespace tests {
+
+class DummyTransport;
+
+/** \brief a LpFace for unit testing
+ *
+ *  The DummyLpFace allows observing outgoing network-layer packets,
+ *  and allows incoming network-layer packets to be injected from a test suite.
+ *  It's primarily used for forwarding test suites, but can be used in other tests as well.
+ */
+class DummyLpFace : public LpFace
+{
+public:
+  class LinkService;
+
+  DummyLpFace(const std::string& localUri = "dummy://", const std::string& remoteUri = "dummy://",
+              ndn::nfd::FaceScope scope = ndn::nfd::FACE_SCOPE_NON_LOCAL,
+              ndn::nfd::FacePersistency persistency = ndn::nfd::FACE_PERSISTENCY_PERSISTENT,
+              ndn::nfd::LinkType linkType = ndn::nfd::LINK_TYPE_POINT_TO_POINT);
+
+  /** \brief changes face state
+   *  \pre current state is not CLOSED or FAILED
+   */
+  void
+  setState(FaceState state);
+
+  /** \brief causes the face to receive an Interest
+   */
+  void
+  receiveInterest(const Interest& interest);
+
+  /** \brief causes the face to receive a Data
+   */
+  void
+  receiveData(const Data& data);
+
+  /** \brief causes the face to receive a Nack
+   */
+  void
+  receiveNack(const lp::Nack& nack);
+
+  /** \brief signals after any network-layer packet is sent
+   */
+  signal::Signal<LinkService>& afterSend;
+
+private:
+  LinkService*
+  getLinkServiceInternal();
+
+  DummyTransport*
+  getTransportInternal();
+
+public:
+  std::vector<Interest>& sentInterests;
+  std::vector<Data>& sentData;
+  std::vector<lp::Nack>& sentNacks;
+};
+
+} // namespace tests
+} // namespace face
+
+namespace tests {
+using nfd::face::tests::DummyLpFace;
+} // namespace tests
+} // namespace nfd
+
+#endif // NFD_TESTS_DAEMON_FACE_DUMMY_LP_FACE_HPP