face: Make default transport configurable

This commit also removes support for the ndnd-tlv-0.7
protocol's default socket location from UnixTransport.

Test HOME environment changing has also been centralized
into a single fixture (util/test-home-environment-fixture.hpp)

refs #2189

Change-Id: Iac1a6c88d7a2d9fcfb91a20356ac21b75daf7d17
diff --git a/tests/unit-tests/transport/test-tcp-transport.cpp b/tests/unit-tests/transport/test-tcp-transport.cpp
new file mode 100644
index 0000000..7c646d8
--- /dev/null
+++ b/tests/unit-tests/transport/test-tcp-transport.cpp
@@ -0,0 +1,104 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2013-2014 Regents of the University of California.
+ *
+ * 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 "transport/tcp-transport.hpp"
+#include "transport-fixture.hpp"
+
+#include "boost-test.hpp"
+
+namespace ndn {
+
+
+
+BOOST_FIXTURE_TEST_SUITE(TransportTestTcpTransport, TransportFixture)
+
+BOOST_AUTO_TEST_CASE(GetDefaultSocketNameOk)
+{
+  initializeConfig("tests/unit-tests/transport/test-homes/tcp-transport/ok");
+
+  const auto got = TcpTransport::getDefaultSocketHostAndPort(*m_config);
+
+  BOOST_CHECK_EQUAL(got.first, "127.0.0.1");
+  BOOST_CHECK_EQUAL(got.second, "6000");
+}
+
+BOOST_AUTO_TEST_CASE(GetDefaultSocketHostAndPortBadMissingHost)
+{
+  initializeConfig("tests/unit-tests/transport/test-homes/tcp-transport/"
+                   "bad-missing-host");
+
+  BOOST_CHECK_EXCEPTION(TcpTransport::getDefaultSocketHostAndPort(*m_config),
+                        ConfigFile::Error,
+                        [] (const ConfigFile::Error& error) {
+                          return error.what() == std::string("Malformed URI: tcp://:6000");
+                        });
+}
+
+BOOST_AUTO_TEST_CASE(GetDefaultSocketHostAndPortOkOmittedPort)
+{
+  initializeConfig("tests/unit-tests/transport/test-homes/tcp-transport/"
+                   "ok-omitted-port");
+
+  const auto got = TcpTransport::getDefaultSocketHostAndPort(*m_config);
+
+  BOOST_CHECK_EQUAL(got.first, "127.0.0.1");
+  BOOST_CHECK_EQUAL(got.second, "6363");
+}
+
+BOOST_AUTO_TEST_CASE(GetDefaultSocketHostAndPortNameOkOmittedHostOmittedPort)
+{
+  initializeConfig("tests/unit-tests/transport/test-homes/tcp-transport/"
+                   "ok-omitted-host-omitted-port");
+
+  const auto got = TcpTransport::getDefaultSocketHostAndPort(*m_config);
+
+  BOOST_CHECK_EQUAL(got.first, "localhost");
+  BOOST_CHECK_EQUAL(got.second, "6363");
+}
+
+BOOST_AUTO_TEST_CASE(GetDefaultSocketHostAndPortBadWrongTransport)
+{
+  initializeConfig("tests/unit-tests/transport/test-homes/tcp-transport/"
+                   "bad-wrong-transport");
+
+  BOOST_CHECK_EXCEPTION(TcpTransport::getDefaultSocketHostAndPort(*m_config),
+                        Transport::Error,
+                        [] (const Transport::Error& error) {
+                          return error.what() == std::string("Cannot create TcpTransport "
+                                                             "from \"unix\" URI");
+                        });
+}
+
+BOOST_AUTO_TEST_CASE(GetDefaultSocketHostAndPortBadMalformedUri)
+{
+  initializeConfig("tests/unit-tests/transport/test-homes/tcp-transport/"
+                   "bad-malformed-uri");
+
+  BOOST_CHECK_EXCEPTION(TcpTransport::getDefaultSocketHostAndPort(*m_config),
+                        ConfigFile::Error,
+                        [] (const ConfigFile::Error& error) {
+                          return error.what() == std::string("Malformed URI: tcp");
+                        });
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+
+} // namespace ndn