tests+ci: Enable dual XML and HRF output of unit test results

Change-Id: I65e145e58cf94088bad0ca58f5ad4bc92d0b8c9d
Refs: #2252
diff --git a/tests/main.cpp b/tests/main.cpp
index 63720bb..d9f582b 100644
--- a/tests/main.cpp
+++ b/tests/main.cpp
@@ -19,8 +19,86 @@
  * 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 Unit Tests
 
+#define BOOST_TEST_NO_MAIN
+#define BOOST_TEST_DYN_LINK
+#define BOOST_TEST_ALTERNATIVE_INIT_API
+
 #include "boost-test.hpp"
+#include "boost-multi-log-formatter.hpp"
+
+#include <boost/program_options/options_description.hpp>
+#include <boost/program_options/variables_map.hpp>
+#include <boost/program_options/parsers.hpp>
+
+#include <fstream>
+#include <iostream>
+
+static bool
+init_tests()
+{
+  init_unit_test();
+
+  namespace po = boost::program_options;
+  namespace ut = boost::unit_test;
+
+  po::options_description extraOptions;
+  std::string logger;
+  std::string outputFile = "-";
+  extraOptions.add_options()
+    ("log_format2", po::value<std::string>(&logger), "Type of second log formatter: HRF or XML")
+    ("log_sink2", po::value<std::string>(&outputFile)->default_value(outputFile), "Second log sink, - for stdout")
+    ;
+  po::variables_map vm;
+  try {
+    po::store(po::command_line_parser(ut::framework::master_test_suite().argc,
+                                      ut::framework::master_test_suite().argv)
+                .options(extraOptions)
+                .run(),
+              vm);
+    po::notify(vm);
+  }
+  catch (const std::exception& e) {
+    std::cerr << "ERROR: " << e.what() << "\n"
+              << extraOptions << std::endl;
+    return false;
+  }
+
+  if (vm.count("log_format2") == 0) {
+    // second logger is not configured
+    return true;
+  }
+
+  std::shared_ptr<ut::unit_test_log_formatter> formatter;
+  if (logger == "XML") {
+    formatter = std::make_shared<ut::output::xml_log_formatter>();
+  }
+  else if (logger == "HRF") {
+    formatter = std::make_shared<ut::output::compiler_log_formatter>();
+  }
+  else {
+    std::cerr << "ERROR: only HRF or XML log formatter can be specified" << std::endl;
+    return false;
+  }
+
+  std::shared_ptr<std::ostream> output;
+  if (outputFile == "-") {
+    output = std::shared_ptr<std::ostream>(&std::cout, std::bind([]{}));
+  }
+  else {
+    output = std::make_shared<std::ofstream>(outputFile.c_str());
+  }
+
+  auto multiFormatter = new ut::output::multi_log_formatter;
+  multiFormatter->add(formatter, output);
+  ut::unit_test_log.set_formatter(multiFormatter);
+
+  return true;
+}
+
+int
+main(int argc, char* argv[])
+{
+  return ::boost::unit_test::unit_test_main(&init_tests, argc, argv);
+}