tests: sync common testing infrastructure with ndn-cxx

Upgrade waf to version 2.0.21

Change-Id: I30615cc49416088e9c5e4d602fd11360c0ed9328
diff --git a/tests/global-configuration.cpp b/tests/global-configuration.cpp
new file mode 100644
index 0000000..de38e0e
--- /dev/null
+++ b/tests/global-configuration.cpp
@@ -0,0 +1,80 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2014-2020, Regents of the University of California.
+ *
+ * This file is part of NDNS (Named Data Networking Domain Name Service).
+ * See AUTHORS.md for complete list of NDNS authors and contributors.
+ *
+ * NDNS 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.
+ *
+ * NDNS 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
+ * NDNS, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "boost-test.hpp"
+
+#include <boost/filesystem.hpp>
+#include <stdlib.h>
+
+namespace ndn {
+namespace tests {
+
+class GlobalConfiguration
+{
+public:
+  GlobalConfiguration()
+  {
+    if (getenv("HOME") != nullptr) {
+      m_home = getenv("HOME");
+    }
+    if (getenv("NDN_CLIENT_PIB") != nullptr) {
+      m_pib = getenv("NDN_CLIENT_PIB");
+    }
+    if (getenv("NDN_CLIENT_TPM") != nullptr) {
+      m_tpm = getenv("NDN_CLIENT_TPM");
+    }
+
+    auto testHome = boost::filesystem::path(UNIT_TESTS_TMPDIR) / "test-home";
+    setenv("HOME", testHome.c_str(), 1);
+
+    boost::filesystem::create_directories(testHome);
+
+    setenv("NDN_CLIENT_PIB", "pib-sqlite3", 1);
+    setenv("NDN_CLIENT_TPM", "tpm-file", 1);
+  }
+
+  ~GlobalConfiguration() noexcept
+  {
+    if (!m_home.empty()) {
+      setenv("HOME", m_home.data(), 1);
+    }
+    if (!m_pib.empty()) {
+      setenv("NDN_CLIENT_PIB", m_home.data(), 1);
+    }
+    if (!m_tpm.empty()) {
+      setenv("NDN_CLIENT_TPM", m_home.data(), 1);
+    }
+  }
+
+private:
+  std::string m_home;
+  std::string m_pib;
+  std::string m_tpm;
+};
+
+#if BOOST_VERSION >= 106500
+BOOST_TEST_GLOBAL_CONFIGURATION(GlobalConfiguration);
+#elif BOOST_VERSION >= 105900
+BOOST_GLOBAL_FIXTURE(GlobalConfiguration);
+#else
+BOOST_GLOBAL_FIXTURE(GlobalConfiguration)
+#endif
+
+} // namespace tests
+} // namespace ndn