util: NetworkMonitor helper to detect network state changes

This commit includes only OS X implementation using CoreFoundation framework

Change-Id: I8d5488ec5780e2a33bb20595391208a76b9e69dd
Refs: #2443
diff --git a/tests/integrated/test-faces.cpp b/tests/integrated/face.cpp
similarity index 98%
rename from tests/integrated/test-faces.cpp
rename to tests/integrated/face.cpp
index 0cb34eb..2666c48 100644
--- a/tests/integrated/test-faces.cpp
+++ b/tests/integrated/face.cpp
@@ -19,6 +19,10 @@
  * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
  */
 
+#define BOOST_TEST_MAIN 1
+#define BOOST_TEST_DYN_LINK 1
+#define BOOST_TEST_MODULE ndn-cxx Integrated Tests (Face)
+
 #include "face.hpp"
 #include "util/scheduler.hpp"
 #include "security/key-chain.hpp"
diff --git a/tests/integrated/network-monitor.cpp b/tests/integrated/network-monitor.cpp
new file mode 100644
index 0000000..9ed4bb3
--- /dev/null
+++ b/tests/integrated/network-monitor.cpp
@@ -0,0 +1,56 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2013-2015 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.
+ */
+
+#define BOOST_TEST_MAIN 1
+#define BOOST_TEST_DYN_LINK 1
+#define BOOST_TEST_MODULE ndn-cxx Integrated Tests (Network Monitor)
+
+#include "util/network-monitor.hpp"
+
+#include "boost-test.hpp"
+#include <cstdlib>
+#include <iostream>
+#include "util/time.hpp"
+
+namespace ndn {
+namespace util {
+
+BOOST_AUTO_TEST_SUITE(UtilNetworkMonitor)
+
+BOOST_AUTO_TEST_CASE(Basic)
+{
+  boost::asio::io_service io;
+  BOOST_REQUIRE_NO_THROW((NetworkMonitor(io)));
+
+  NetworkMonitor monitor(io);
+
+  monitor.onNetworkStateChanged.connect([] {
+      std::cout << time::toString(time::system_clock::now())
+                << "\tReceived network state change event" << std::endl;
+    });
+
+  io.run();
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+
+} // namespace util
+} // namespace ndn
diff --git a/tests/integrated/wscript b/tests/integrated/wscript
index d5d9af7..311059d 100644
--- a/tests/integrated/wscript
+++ b/tests/integrated/wscript
@@ -5,25 +5,16 @@
 top = '..'
 
 def build(bld):
-    unittests = bld(
-        target="integrated-test-objects",
-        name="integrated-test-objects",
-        features="cxx",
-        source=bld.path.ant_glob(['**/*.cpp'],
-                                 excl=['main.cpp', '**/*-osx.cpp', '**/*-sqlite3.cpp']),
-        use='tests-base',
-        includes='.',
-        install_path=None,
-        )
+    bld(features="cxx cxxprogram",
+        target="face",
+        source="face.cpp",
+        use='ndn-cxx boost-tests-base BOOST',
+        includes='..',
+        install_path=None)
 
-    if bld.env['HAVE_OSX_SECURITY']:
-        unittests.source += bld.path.ant_glob('**/*-osx.cpp')
-
-    # In case we want to make it optional later
-    unittests.source += bld.path.ant_glob('**/*-sqlite3.cpp')
-
-    bld.program(
-        target="../integrated-tests",
-        use="integrated-test-objects",
-        source="main.cpp",
+    bld(features="cxx cxxprogram",
+        target="network-monitor",
+        source="network-monitor.cpp",
+        use='ndn-cxx boost-tests-base BOOST',
+        includes='..',
         install_path=None)
diff --git a/tests/main.cpp b/tests/main.cpp
index 3d3a773..63720bb 100644
--- a/tests/main.cpp
+++ b/tests/main.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /**
- * Copyright (c) 2013-2014 Regents of the University of California.
+ * Copyright (c) 2013-2015 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -21,5 +21,6 @@
 
 #define BOOST_TEST_MAIN 1
 #define BOOST_TEST_DYN_LINK 1
+#define BOOST_TEST_MODULE ndn-cxx Unit Tests
 
 #include "boost-test.hpp"
diff --git a/tests/wscript b/tests/wscript
index c4cbfbf..cf43382 100644
--- a/tests/wscript
+++ b/tests/wscript
@@ -5,66 +5,45 @@
 top = '..'
 
 def build(bld):
+    # precompiled headers (if enabled)
     bld(features=['cxx', 'pch'],
         name='tests-base',
         target='tests-base',
         headers=['../src/common-pch.hpp', 'boost-test.hpp'],
-        use='ndn-cxx',
-        includes='.',
-        )
+        use='ndn-cxx BOOST',
+        includes='.')
 
+    # core modules that can be shared between unit and integrated tests
+    bld(features="cxx",
+        target="boost-tests-base",
+        source="identity-management-fixture.cpp",
+        use='ndn-cxx tests-base BOOST',
+        includes='.',
+        install_path=None)
+
+    # unit test objects
     unit_tests = bld(
         target="unit-test-objects",
         name="unit-test-objects",
         features="cxx",
         source=bld.path.ant_glob(['unit-tests/**/*.cpp'],
                                  excl=['**/*-osx.cpp', '**/*-sqlite3.cpp']),
-        use='tests-base',
+        use='ndn-cxx tests-base BOOST',
         includes='.',
-        install_path=None,
-        )
-
-    integrated = bld(
-        target="integrated-test-objects",
-        name="integrated-test-objects",
-        features="cxx",
-        source=bld.path.ant_glob(['integrated/**/*.cpp'],
-                                 excl=['**/*-osx.cpp', '**/*-sqlite3.cpp']),
-        use='tests-base',
-        includes='.',
-        install_path=None,
-        )
+        install_path=None)
 
     if bld.env['HAVE_OSX_SECURITY']:
         unit_tests.source += bld.path.ant_glob('unit-tests/**/*-osx.cpp')
-        integrated.source += bld.path.ant_glob('integrated/**/*-osx.cpp')
 
     # In case we want to make it optional later
     unit_tests.source += bld.path.ant_glob('unit-tests/**/*-sqlite3.cpp')
-    integrated.source += bld.path.ant_glob('integrated/**/*-sqlite3.cpp')
 
-    bld(features='cxx',
-        target='unit-tests-main-unit',
+    # unit test app
+    bld(features='cxx cxxprogram',
+        target='../unit-tests',
         name='unit-tests-main-unit',
-        source=bld.path.ant_glob(['*.cpp']),
-        use='ndn-cxx',
-        defines=['BOOST_TEST_MODULE=ndn-cxx Unit Tests'],
-    )
-
-    bld(features='cxx',
-        target='unit-tests-main-integrated',
-        name='unit-tests-main-integrated',
-        source=bld.path.ant_glob(['*.cpp']),
-        use='ndn-cxx',
-        defines=['BOOST_TEST_MODULE=ndn-cxx Integrated Tests'],
-    )
-
-    bld(features="cxx cxxprogram",
-        target="../unit-tests",
-        use="unit-test-objects unit-tests-main-unit",
+        source="main.cpp",
+        use='ndn-cxx unit-test-objects boost-tests-base BOOST',
         install_path=None)
 
-    bld(features="cxx cxxprogram",
-        target="../integrated-tests",
-        use="integrated-test-objects unit-tests-main-integrated",
-        install_path=None)
+    bld.recurse('integrated')