tests: Change to updated naming conventions

Change-Id: I9351c669282c3c02fd533237489beeb10fe7d16d
Refs: #2497
diff --git a/tests/unit-tests/util/notification-subscriber.t.cpp b/tests/unit-tests/util/notification-subscriber.t.cpp
new file mode 100644
index 0000000..4fa222b
--- /dev/null
+++ b/tests/unit-tests/util/notification-subscriber.t.cpp
@@ -0,0 +1,221 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2013-2015 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 ndn-cxx library (NDN C++ library with eXperimental eXtensions).
+ *
+ * ndn-cxx library is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * ndn-cxx library 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 Lesser General Public License for more details.
+ *
+ * You should have received copies of the GNU General Public License and GNU Lesser
+ * General Public License along with ndn-cxx, e.g., in COPYING.md file.  If not, see
+ * <http://www.gnu.org/licenses/>.
+ *
+ * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
+ */
+
+#include "util/notification-subscriber.hpp"
+#include "util/notification-stream.hpp"
+#include "simple-notification.hpp"
+#include "util/dummy-client-face.hpp"
+
+#include "boost-test.hpp"
+#include "../unit-test-time-fixture.hpp"
+
+namespace ndn {
+namespace util {
+namespace tests {
+
+BOOST_AUTO_TEST_SUITE(UtilNotificationSubscriber)
+
+class EndToEndFixture : public ndn::tests::UnitTestTimeFixture
+{
+public:
+  EndToEndFixture()
+    : streamPrefix("ndn:/NotificationSubscriberTest")
+    , publisherFace(makeDummyClientFace(io))
+    , notificationStream(*publisherFace, streamPrefix, publisherKeyChain)
+    , subscriberFace(makeDummyClientFace(io))
+    , subscriber(*subscriberFace, streamPrefix, time::seconds(1))
+  {
+  }
+
+  /** \brief post one notification and deliver to subscriber
+   */
+  void
+  deliverNotification(const std::string& msg)
+  {
+    publisherFace->sentDatas.clear();
+    SimpleNotification notification(msg);
+    notificationStream.postNotification(notification);
+
+    advanceClocks(time::milliseconds(1));
+
+    BOOST_REQUIRE_EQUAL(publisherFace->sentDatas.size(), 1);
+
+    lastDeliveredSeqNo = publisherFace->sentDatas[0].getName().at(-1).toSequenceNumber();
+
+    lastNotification.setMessage("");
+    subscriberFace->receive(publisherFace->sentDatas[0]);
+  }
+
+  void
+  afterNotification(const SimpleNotification& notification)
+  {
+    lastNotification = notification;
+  }
+
+  void
+  afterTimeout()
+  {
+    hasTimeout = true;
+  }
+
+  void
+  afterDecodeError(const Data& data)
+  {
+    lastDecodeErrorData = data;
+  }
+
+  /** \return true if subscriberFace has an initial request (first sent Interest)
+   */
+  bool
+  hasInitialRequest() const
+  {
+    if (subscriberFace->sentInterests.empty())
+      return 0;
+
+    const Interest& interest = subscriberFace->sentInterests[0];
+    return interest.getName() == streamPrefix &&
+           interest.getChildSelector() == 1 &&
+           interest.getMustBeFresh() &&
+           interest.getInterestLifetime() == subscriber.getInterestLifetime();
+  }
+
+  /** \return sequence number of the continuation request sent from subscriberFace
+   *          or 0 if there's no such request as sole sent Interest
+   */
+  uint64_t
+  getRequestSeqNo() const
+  {
+    if (subscriberFace->sentInterests.size() != 1)
+      return 0;
+
+    const Interest& interest = subscriberFace->sentInterests[0];
+    const Name& name = interest.getName();
+    if (streamPrefix.isPrefixOf(name) &&
+        name.size() == streamPrefix.size() + 1 &&
+        interest.getInterestLifetime() == subscriber.getInterestLifetime())
+      return name[-1].toSequenceNumber();
+    else
+      return 0;
+  }
+
+protected:
+  Name streamPrefix;
+  shared_ptr<DummyClientFace> publisherFace;
+  ndn::KeyChain publisherKeyChain;
+  util::NotificationStream<SimpleNotification> notificationStream;
+  shared_ptr<DummyClientFace> subscriberFace;
+  util::NotificationSubscriber<SimpleNotification> subscriber;
+  util::signal::Connection notificationConn;
+
+  uint64_t lastDeliveredSeqNo;
+
+  SimpleNotification lastNotification;
+  bool hasTimeout;
+  Data lastDecodeErrorData;
+};
+
+BOOST_FIXTURE_TEST_CASE(EndToEnd, EndToEndFixture)
+{
+  BOOST_REQUIRE_EQUAL(subscriber.isRunning(), false);
+
+  // has no effect because onNotification has no handler
+  subscriber.start();
+  BOOST_REQUIRE_EQUAL(subscriber.isRunning(), false);
+
+  notificationConn = subscriber.onNotification.connect(
+      bind(&EndToEndFixture::afterNotification, this, _1));
+  subscriber.onTimeout.connect(bind(&EndToEndFixture::afterTimeout, this));
+  subscriber.onDecodeError.connect(bind(&EndToEndFixture::afterDecodeError, this, _1));
+
+  // not received when subscriber is not running
+  this->deliverNotification("n1");
+  advanceClocks(time::milliseconds(1));
+  BOOST_CHECK(lastNotification.getMessage().empty());
+  BOOST_CHECK_EQUAL(subscriberFace->sentInterests.size(), 0);
+
+  subscriberFace->sentInterests.clear();
+  subscriber.start();
+  advanceClocks(time::milliseconds(1));
+  BOOST_REQUIRE_EQUAL(subscriber.isRunning(), true);
+  BOOST_CHECK(this->hasInitialRequest());
+
+  // respond to initial request
+  subscriberFace->sentInterests.clear();
+  this->deliverNotification("n2");
+  advanceClocks(time::milliseconds(1));
+  BOOST_CHECK_EQUAL(lastNotification.getMessage(), "n2");
+  BOOST_CHECK_EQUAL(this->getRequestSeqNo(), lastDeliveredSeqNo + 1);
+
+  // respond to continuation request
+  subscriberFace->sentInterests.clear();
+  this->deliverNotification("n3");
+  advanceClocks(time::milliseconds(1));
+  BOOST_CHECK_EQUAL(lastNotification.getMessage(), "n3");
+  BOOST_CHECK_EQUAL(this->getRequestSeqNo(), lastDeliveredSeqNo + 1);
+
+  // timeout
+  subscriberFace->sentInterests.clear();
+  lastNotification.setMessage("");
+  advanceClocks(subscriber.getInterestLifetime(), 2);
+  BOOST_CHECK(lastNotification.getMessage().empty());
+  BOOST_CHECK_EQUAL(hasTimeout, true);
+  BOOST_CHECK(this->hasInitialRequest());
+
+  // decode error on sequence number
+  Name wrongName = streamPrefix;
+  wrongName.append("%07%07");
+  Data wrongData(wrongName);
+  publisherKeyChain.sign(wrongData);
+  subscriberFace->receive(wrongData);
+  subscriberFace->sentInterests.clear();
+  lastNotification.setMessage("");
+  advanceClocks(time::milliseconds(1));
+  BOOST_CHECK(lastNotification.getMessage().empty());
+  BOOST_CHECK_EQUAL(lastDecodeErrorData.getName(), wrongName);
+  BOOST_CHECK(this->hasInitialRequest());
+
+  // decode error in payload
+  subscriberFace->sentInterests.clear();
+  lastNotification.setMessage("");
+  this->deliverNotification("\x07n4");
+  advanceClocks(time::milliseconds(1));
+  BOOST_CHECK(lastNotification.getMessage().empty());
+  BOOST_CHECK(this->hasInitialRequest());
+
+  // stop if handlers are cleared
+  notificationConn.disconnect();
+  subscriberFace->sentInterests.clear();
+  this->deliverNotification("n5");
+  advanceClocks(time::milliseconds(1));
+  BOOST_CHECK_EQUAL(subscriberFace->sentInterests.size(), 0);
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+
+} // namespace tests
+} // namespace util
+} // namespace ndn