diff --git a/tests/daemon/mgmt/manager-common-fixture.hpp b/tests/daemon/mgmt/manager-common-fixture.hpp
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+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2014-2019,  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_MGMT_MANAGER_COMMON_FIXTURE_HPP
+#define NFD_TESTS_DAEMON_MGMT_MANAGER_COMMON_FIXTURE_HPP
+
+#include "mgmt/manager-base.hpp"
+#include "fw/forwarder.hpp"
+
+#include "tests/identity-management-fixture.hpp"
+
+#include <ndn-cxx/security/command-interest-signer.hpp>
+#include <ndn-cxx/util/dummy-client-face.hpp>
+
+namespace nfd {
+namespace tests {
+
+/** \brief A fixture that provides a CommandInterestSigner.
+ */
+class CommandInterestSignerFixture : public IdentityManagementTimeFixture
+{
+protected:
+  CommandInterestSignerFixture();
+
+  /** \brief sign a command Interest
+   *  \param name command name include prefix and parameters
+   *  \param identity signing identity
+   *  \return a command Interest
+   */
+  Interest
+  makeCommandInterest(const Name& name, const Name& identity = DEFAULT_COMMAND_SIGNER_IDENTITY);
+
+  /** \brief create a ControlCommand request
+   *  \param commandName command name including prefix, such as "/localhost/nfd/fib/add-nexthop"
+   *  \param params command parameters
+   *  \param identity signing identity
+   *  \return a command Interest
+   */
+  Interest
+  makeControlCommandRequest(Name commandName, const ControlParameters& params,
+                            const Name& identity = DEFAULT_COMMAND_SIGNER_IDENTITY);
+
+protected:
+  static const Name DEFAULT_COMMAND_SIGNER_IDENTITY;
+
+private:
+  ndn::security::CommandInterestSigner m_commandInterestSigner;
+};
+
+/**
+ * @brief A collection of common functions shared by all manager's test fixtures.
+ */
+class ManagerCommonFixture : public CommandInterestSignerFixture
+{
+public: // initialize
+  ManagerCommonFixture();
+
+  /**
+   * @brief Add `/localhost/nfd` as a top prefix to the dispatcher.
+   *
+   * Afterwards, advanceClocks() is called to ensure all added filters take effect.
+   */
+  void
+  setTopPrefix();
+
+public: // test
+  /**
+   * @brief cause management to receive an Interest
+   *
+   * call DummyClientFace::receive to receive Interest and then call advanceClocks to ensure
+   * the Interest dispatched
+   *
+   * @param interest the Interest to receive
+   */
+  void
+  receiveInterest(const Interest& interest);
+
+public: // verify
+  ControlResponse
+  makeResponse(uint32_t code, const std::string& text, const ControlParameters& parameters);
+
+  enum class CheckResponseResult
+  {
+    OK,
+    OUT_OF_BOUNDARY,
+    WRONG_NAME,
+    WRONG_CONTENT_TYPE,
+    INVALID_RESPONSE,
+    WRONG_CODE,
+    WRONG_TEXT,
+    WRONG_BODY_SIZE,
+    WRONG_BODY_VALUE
+  };
+
+  /**
+   * @brief check a specified response data with the expected ControlResponse
+   *
+   * @param idx the index of the specified Data in m_responses
+   * @param expectedDataName the expected name of this Data
+   * @param expectedResponse the expected ControlResponse
+   * @param expectedContentType the expected content type of this Data, use -1 to skip this check
+   *
+   * @retval OK the response at the specified index can be decoded from the response data,
+   *            and its code, text and response body are all matched with the expected response
+   * @retval OUT_OF_BOUNDARY the specified index out of boundary
+   * @retval WRONG_NAME the name of the specified response data does not match
+   * @retval WRONG_CONTENT_TYPE the content type of the specified response data does not match
+   * @retval INVALID_RESPONSE the data name matches but it fails in decoding a ControlResponse from
+   *                          the content of the specified response data
+   * @retval WRONG_CODE a valid ControlResponse can be decoded but has a wrong code
+   * @retval WRONG_TEXT a valid ControlResponse can be decoded but has a wrong text
+   * @retval WRONG_BODY_SIZE the body size of decoded ControlResponse does not match
+   * @retval WRONT_BODY_VALUE the body value of decoded ControlResponse does not match
+   */
+  CheckResponseResult
+  checkResponse(size_t idx,
+                const Name& expectedName,
+                const ControlResponse& expectedResponse,
+                int expectedContentType = -1);
+
+  /**
+   * @brief concatenate specified response Data into a single block
+   *
+   * @param startIndex the start index in m_responses
+   * @param nResponses the number of response to concatenate
+   *
+   * @return the generated block
+   */
+  Block
+  concatenateResponses(size_t startIndex = 0, size_t nResponses = 0);
+
+protected:
+  ndn::util::DummyClientFace m_face;
+  Dispatcher m_dispatcher;
+  std::vector<Data>& m_responses; ///< a reference to m_face.sentData
+};
+
+std::ostream&
+operator<<(std::ostream& os, ManagerCommonFixture::CheckResponseResult result);
+
+class ManagerFixtureWithAuthenticator : public ManagerCommonFixture
+{
+public:
+  /** \brief grant m_identityName privilege to sign commands for the management module
+   */
+  void
+  setPrivilege(const std::string& privilege);
+
+protected:
+  Forwarder m_forwarder;
+  shared_ptr<CommandAuthenticator> m_authenticator = CommandAuthenticator::create();
+};
+
+class CommandSuccess
+{
+public:
+  static ControlResponse
+  getExpected()
+  {
+    return ControlResponse()
+        .setCode(200)
+        .setText("OK");
+  }
+};
+
+template<int CODE>
+class CommandFailure
+{
+public:
+  static ControlResponse
+  getExpected()
+  {
+    return ControlResponse()
+        .setCode(CODE);
+    // error description should not be checked
+  }
+};
+
+} // namespace tests
+} // namespace nfd
+
+#endif // NFD_TESTS_DAEMON_MGMT_MANAGER_COMMON_FIXTURE_HPP