diff --git a/tests/tools/nfdc/module-fixture.hpp b/tests/tools/nfdc/module-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_TOOLS_NFD_STATUS_MODULE_FIXTURE_HPP
+#define NFD_TESTS_TOOLS_NFD_STATUS_MODULE_FIXTURE_HPP
+
+#include "nfdc/module.hpp"
+#include <ndn-cxx/security/validator-null.hpp>
+#include <ndn-cxx/util/dummy-client-face.hpp>
+
+#include "tests/test-common.hpp"
+#include "tests/identity-management-fixture.hpp"
+
+namespace nfd {
+namespace tools {
+namespace nfdc {
+namespace tests {
+
+using namespace nfd::tests;
+using ndn::Face;
+using ndn::KeyChain;
+using ndn::Validator;
+using ndn::ValidatorNull;
+using ndn::util::DummyClientFace;
+using boost::test_tools::output_test_stream;
+
+class MakeValidatorNull
+{
+public:
+  unique_ptr<ValidatorNull>
+  operator()(Face&, KeyChain&) const
+  {
+    return make_unique<ValidatorNull>();
+  };
+};
+
+/** \brief fixture to test a \p Module
+ *  \tparam MODULE a subclass of \p Module
+ *  \tparam MakeValidator a callable to make a Validator for use in \p controller;
+ *                        MakeValidator()(Face&, KeyChain&) should return a unique_ptr
+ *                        to Validator or its subclass
+ */
+template<typename MODULE, typename MakeValidator = MakeValidatorNull>
+class ModuleFixture : public UnitTestTimeFixture
+                    , public IdentityManagementFixture
+{
+protected:
+  typedef typename std::result_of<MakeValidator(Face&, KeyChain&)>::type ValidatorUniquePtr;
+
+  ModuleFixture()
+    : face(g_io, m_keyChain)
+    , validator(MakeValidator()(face, m_keyChain))
+    , controller(face, m_keyChain, *validator)
+    , nFetchStatusSuccess(0)
+  {
+  }
+
+protected: // status fetching
+  /** \brief start fetching status
+   *
+   *  A test case should call \p fetchStatus, \p sendDataset, and \p prepareStatusOutput
+   *  in this order, and then check \p statusXml and \p statusText contain the correct outputs.
+   *  No advanceClocks is needed in between, as they are handled by the fixture.
+   */
+  void
+  fetchStatus()
+  {
+    nFetchStatusSuccess = 0;
+    module.fetchStatus(controller, [this] { ++nFetchStatusSuccess; },
+                       [this] (uint32_t code, const std::string& reason) {
+                         BOOST_FAIL("fetchStatus failure " << code << " " << reason);
+                       },
+                       CommandOptions());
+    this->advanceClocks(time::milliseconds(1));
+  }
+
+  /** \brief send one WireEncodable in reply to StatusDataset request
+   *  \param prefix dataset prefix without version and segment
+   *  \param payload payload block
+   *  \note payload must fit in one Data
+   *  \pre fetchStatus has been invoked, sendDataset has not been invoked
+   */
+  template<typename T>
+  void
+  sendDataset(const Name& prefix, const T& payload)
+  {
+    BOOST_CONCEPT_ASSERT((ndn::WireEncodable<T>));
+
+    this->sendDatasetReply(prefix, payload.wireEncode());
+  }
+
+  /** \brief send two WireEncodables in reply to StatusDataset request
+   *  \param prefix dataset prefix without version and segment
+   *  \param payload1 first vector item
+   *  \param payload2 second vector item
+   *  \note all payloads must fit in one Data
+   *  \pre fetchStatus has been invoked, sendDataset has not been invoked
+   */
+  template<typename T1, typename T2>
+  void
+  sendDataset(const Name& prefix, const T1& payload1, const T2& payload2)
+  {
+    BOOST_CONCEPT_ASSERT((ndn::WireEncodable<T1>));
+    BOOST_CONCEPT_ASSERT((ndn::WireEncodable<T2>));
+
+    ndn::encoding::EncodingBuffer buffer;
+    payload2.wireEncode(buffer);
+    payload1.wireEncode(buffer);
+
+    this->sendDatasetReply(prefix, buffer.buf(), buffer.size());
+  }
+
+  /** \brief prepare status output as XML and text
+   *  \pre sendDataset has been invoked
+   */
+  void
+  prepareStatusOutput()
+  {
+    this->advanceClocks(time::milliseconds(1));
+    BOOST_REQUIRE_EQUAL(nFetchStatusSuccess, 1);
+
+    statusXml.str("");
+    module.formatStatusXml(statusXml);
+    statusText.str("");
+    module.formatStatusText(statusText);
+  }
+
+private:
+  /** \brief send a payload in reply to StatusDataset request
+   *  \param prefix dataset prefix without version and segment
+   *  \param contentArgs passed to Data::setContent
+   */
+  template<typename ...ContentArgs>
+  void
+  sendDatasetReply(const Name& prefix, ContentArgs&&...contentArgs)
+  {
+    Name name = prefix;
+    name.appendVersion().appendSegment(0);
+
+    // These warnings assist in debugging a `nFetchStatusSuccess != 1` check failure.
+    // They usually indicate a misspelled prefix or incorrect timing in the test case.
+    if (face.sentInterests.size() < 1) {
+      BOOST_WARN_MESSAGE(false, "no Interest expressed");
+    }
+    else {
+      BOOST_WARN_MESSAGE(face.sentInterests.back().getName().isPrefixOf(name),
+                         "last Interest " << face.sentInterests.back().getName() <<
+                         " cannot be satisfied by this Data " << name);
+    }
+
+    auto data = make_shared<Data>(name);
+    data->setFinalBlockId(name[-1]);
+    data->setContent(std::forward<ContentArgs>(contentArgs)...);
+    this->signDatasetReply(*data);
+    face.receive(*data);
+  }
+
+  virtual void
+  signDatasetReply(Data& data)
+  {
+    signData(data);
+  }
+
+protected:
+  DummyClientFace face;
+  ValidatorUniquePtr validator;
+  Controller controller;
+
+  MODULE module;
+
+  int nFetchStatusSuccess;
+  output_test_stream statusXml;
+  output_test_stream statusText;
+};
+
+/** \brief strips leading spaces on every line in expected XML
+ *
+ *  This allows expected XML to be written as:
+ *  \code
+ *  const std::string STATUS_XML = stripXmlSpaces(R"XML(
+ *    <rootElement>
+ *      <element>value</element>
+ *    </rootElement>
+ *  )XML");
+ *  \endcode
+ *  And \p STATUS_XML would be assigned:
+ *  \code
+ *  "<rootElement><element>value</element></rootElement>"
+ *  \endcode
+ */
+inline std::string
+stripXmlSpaces(const std::string& xml)
+{
+  std::string s;
+  bool isSkipping = true;
+  std::copy_if(xml.begin(), xml.end(), std::back_inserter(s),
+               [&isSkipping] (char ch) {
+                 if (ch == '\n') {
+                   isSkipping = true;
+                 }
+                 else if (ch != ' ') {
+                   isSkipping = false;
+                 }
+                 return !isSkipping;
+               });
+  return s;
+}
+
+} // namespace tests
+} // namespace nfdc
+} // namespace tools
+} // namespace nfd
+
+#endif // NFD_TESTS_TOOLS_NFD_STATUS_MODULE_FIXTURE_HPP