gather deferredLogger implemented

tests/test_gatherdeferredlogger.cpp

@@ -0,0 +1,120 @@
+/*
+  Copyright 2018 SINTEF Digital, Mathematics and Cybernetics.
+  Copyright 2018 Equinor.
+
+  This file is part of the Open Porous Media project (OPM).
+
+  OPM 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.
+
+  OPM 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 OPM.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <config.h>
+
+#define BOOST_TEST_MODULE TestGatherDeferredLogger
+#define BOOST_TEST_NO_MAIN
+
+#include <boost/test/unit_test.hpp>
+
+#include <opm/simulators/gatherDeferredLogger.hpp>
+#include <dune/common/parallel/mpihelper.hh>
+
+#include <opm/common/OpmLog/OpmLog.hpp>
+#include <opm/common/OpmLog/LogBackend.hpp>
+#include <opm/common/OpmLog/CounterLog.hpp>
+#include <opm/common/OpmLog/TimerLog.hpp>
+#include <opm/common/OpmLog/StreamLog.hpp>
+#include <opm/common/OpmLog/LogUtil.hpp>
+
+using namespace Opm;
+
+#if HAVE_MPI
+struct MPIError
+{
+    MPIError(std::string s, int e) : errorstring(std::move(s)), errorcode(e){}
+    std::string errorstring;
+    int errorcode;
+};
+
+void MPI_err_handler(MPI_Comm*, int* err_code, ...)
+{
+    std::vector<char> err_string(MPI_MAX_ERROR_STRING);
+    int err_length;
+    MPI_Error_string(*err_code, err_string.data(), &err_length);
+    std::string s(err_string.data(), err_length);
+    std::cerr << "An MPI Error ocurred:" << std::endl << s << std::endl;
+    throw MPIError(s, *err_code);
+}
+#endif
+
+bool
+init_unit_test_func()
+{
+    return true;
+}
+
+void initLogger(std::ostringstream& log_stream) {
+    OpmLog::removeAllBackends();
+    std::shared_ptr<CounterLog> counter = std::make_shared<CounterLog>();
+    std::shared_ptr<StreamLog> streamLog = std::make_shared<StreamLog>( log_stream , Log::DefaultMessageTypes);
+
+    OpmLog::addBackend("COUNTER" , counter);
+    OpmLog::addBackend("STREAM" , streamLog);
+    BOOST_CHECK_EQUAL( true , OpmLog::hasBackend("COUNTER"));
+    BOOST_CHECK_EQUAL( true , OpmLog::hasBackend("STREAM"));
+
+    streamLog->setMessageFormatter(std::make_shared<SimpleMessageFormatter>(true, false));
+    streamLog->setMessageLimiter(std::make_shared<MessageLimiter>(2));
+}
+
+
+
+BOOST_AUTO_TEST_CASE(AllHaveFailure)
+{
+    auto cc = Dune::MPIHelper::getCollectiveCommunication();
+
+    std::ostringstream log_stream;
+    initLogger(log_stream);
+
+    Opm::DeferredLogger local_deferredlogger;
+    local_deferredlogger.info("info from rank" + std::to_string(cc.rank()));
+
+    Opm::DeferredLogger global_deferredlogger = gatherDeferredLogger(local_deferredlogger);
+
+    if (cc.rank()==0) {
+
+        global_deferredlogger.logMessages();
+
+        auto counter = OpmLog::getBackend<CounterLog>("COUNTER");
+        BOOST_CHECK_EQUAL( cc.size() , counter->numMessages(Log::MessageType::Info) );
+
+        std::string expected;
+        for (int i=0; i<cc.size(); i++) {
+            expected += Log::prefixMessage(Log::MessageType::Info, "info from rank"+std::to_string(i)) + "\n";
+        }
+        BOOST_CHECK_EQUAL(log_stream.str(), expected);
+        std::cerr<<""<<log_stream.str();
+    }
+}
+
+int main(int argc, char** argv)
+{
+    Dune::MPIHelper::instance(argc, argv);
+#if HAVE_MPI
+    // register a throwing error handler to allow for
+    // debugging with "catch throw" in gdb
+    MPI_Errhandler handler;
+    MPI_Comm_create_errhandler(MPI_err_handler, &handler);
+    MPI_Comm_set_errhandler(MPI_COMM_WORLD, handler);
+#endif
+    return boost::unit_test::unit_test_main(&init_unit_test_func, argc, argv);
+}