diff --git a/tests/daemon/mgmt/nfd-manager-common-fixture.hpp b/tests/daemon/mgmt/nfd-manager-common-fixture.hpp
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+/* -*- 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_NFD_MGMT_NFD_MANAGER_COMMON_HPP
+#define NFD_TESTS_NFD_MGMT_NFD_MANAGER_COMMON_HPP
+
+#include "manager-common-fixture.hpp"
+#include "fw/forwarder.hpp"
+#include "mgmt/command-validator.hpp"
+
+namespace nfd {
+namespace tests {
+
+/**
+ * @brief a base class shared by all NFD manager's testing fixtures.
+ */
+class NfdManagerCommonFixture : public ManagerCommonFixture
+{
+public:
+  NfdManagerCommonFixture()
+    : m_topPrefix("/localhost/nfd")
+  {
+  }
+
+  /**
+   * @brief configure an interest rule for the module.
+   *
+   * set top prefix before set privilege.
+   *
+   * @param privilege the module name
+   */
+  void
+  setPrivilege(const std::string& privilege)
+  {
+    setTopPrefix(m_topPrefix);
+
+    std::string regex("^");
+    for (auto component : m_topPrefix) {
+      regex += "<" + component.toUri() + ">";
+    }
+
+    m_validator.addInterestRule(regex + "<" + privilege + ">", *m_certificate);
+  }
+
+protected:
+  Forwarder m_forwarder;
+  CommandValidator m_validator;
+  Name m_topPrefix;
+};
+
+} // namespace tests
+} // namespace nfd
+
+#endif // NFD_TESTS_NFD_MGMT_NFD_MANAGER_COMMON_HPP