refactor tests

* move to gtest
* add shmem tests
* cleanup cmake file (organize tests in suites)

fairmq/test/protocols/runner.h

@@ -0,0 +1,49 @@
+/********************************************************************************
+ *    Copyright (C) 2017 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"                       *
+ ********************************************************************************/
+/**
+ * @file fairmq/test/protocols/runner.h
+ */
+
+#ifndef FAIR_MQ_TEST_RUNNER_H
+#define FAIR_MQ_TEST_RUNNER_H
+
+#include <string>
+
+namespace fair
+{
+namespace mq
+{
+namespace test
+{
+
+extern std::string runTestDevice; /// Path to test device executable.
+extern std::string mqConfig; /// Path to FairMQ device config file.
+
+/**
+ * Result type for execute function. Holds captured stderr output and exit code.
+ */
+struct execute_result {
+    std::string error_out;
+    int exit_code;
+};
+
+/**
+ * Execute given command in forked process and capture stderr output
+ * and exit code.
+ *
+ * @param[in] cmd Command to execute
+ * @param[in] log_prefix How to prefix each captured output line with
+ * @return Captured error output and exit code
+ */
+auto execute(std::string cmd, std::string log_prefix = "") -> execute_result;
+
+} /* namespace test */
+} /* namespace mq */
+} /* namespace fair */
+
+#endif /* FAIR_MQ_TEST_RUNNER_H */