SDK: Pass CSession as shared ptr

Even though it is copyable the copy does not work.

test/sdk/Fixtures.h

@@ -0,0 +1,78 @@
+/********************************************************************************
+ *    Copyright (C) 2019 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH    *
+ *                                                                              *
+ *              This software is distributed under the terms of the             *
+ *              GNU Lesser General Public Licence (LGPL) version 3,             *
+ *                  copied verbatim in the file "LICENSE"                       *
+ ********************************************************************************/
+
+#ifndef FAIR_MQ_TEST_FIXTURES
+#define FAIR_MQ_TEST_FIXTURES
+
+#include "TestEnvironment.h"
+#include <fairmq/SDK.h>
+#include <fairmq/Tools.h>
+
+#include <chrono>
+#include <cstdlib>
+#include <fairlogger/Logger.h>
+#include <gtest/gtest.h>
+#include <thread>
+
+namespace fair {
+namespace mq {
+namespace test {
+
+struct LoggerConfig
+{
+    LoggerConfig()
+    {
+        Logger::SetConsoleSeverity("debug");
+        Logger::DefineVerbosity("user1",
+                                fair::VerbositySpec::Make(VerbositySpec::Info::timestamp_us,
+                                                          VerbositySpec::Info::severity));
+        Logger::SetVerbosity("user1");
+        Logger::SetConsoleColor();
+
+        std::string path(std::getenv("PATH"));
+        path = tools::ToString(FAIRMQ_TEST_ENVIRONMENT, ":", path);
+        setenv("PATH", path.c_str(), 1);
+    }
+};
+
+struct TopologyFixture : ::testing::Test
+{
+    TopologyFixture()
+        : mDDSTopoFile(tools::ToString(SDK_TESTSUITE_SOURCE_DIR, "/test_topo.xml"))
+        , mDDSEnv(CMAKE_CURRENT_BINARY_DIR)
+        , mDDSSession(mDDSEnv)
+        , mDDSTopo(mDDSTopoFile, mDDSEnv)
+    {
+        mDDSSession.StopOnDestruction();
+    }
+
+    auto SetUp() -> void override {
+        LOG(info) << mDDSEnv;
+        LOG(info) << mDDSSession;
+        LOG(info) << mDDSTopo;
+        auto n(mDDSTopo.GetNumRequiredAgents());
+        mDDSSession.SubmitAgents(n);
+        mDDSSession.ActivateTopology(mDDSTopoFile);
+    }
+
+    auto TearDown() -> void override {
+    }
+
+    LoggerConfig mLoggerConfig;
+    std::string mDDSTopoFile;
+    sdk::DDSEnvironment mDDSEnv;
+    sdk::DDSSession mDDSSession;
+    sdk::DDSTopology mDDSTopo;
+};
+
+} /* namespace test */
+} /* namespace mq */
+} /* namespace fair */
+
+#endif /* FAIR_MQ_TEST_FIXTURES */
+