src: replaced unit test framework CxxTest with Catch2

src/test/test_main.cpp

@@ -0,0 +1,39 @@
+#define CATCH_CONFIG_MAIN  // This tells Catch to provide a main() function
+
+#include "catch.hpp"
+// IMPORTANT NOTE: removed signal listener for "EXCEPTION_ACCESS_VIOLATION" from catch source code because it interferes with the jni interface that emits such a signal on purpose
+
+#include "ApplicationSettings.h"
+
+struct EventListener : Catch::TestEventListenerBase
+{
+	using TestEventListenerBase::TestEventListenerBase; // inherit constructor
+
+	void testRunStarting(const Catch::TestRunInfo& testRunInfo) override
+	{
+#ifdef __linux__
+		const std::string homedir = getenv("HOME");
+
+		if (!homedir.empty())
+		{
+			if(!ApplicationSettings::getInstance()->load(
+				FilePath(homedir + "/.config/sourcetrail/ApplicationSettings.xml")
+			))
+			{
+				std::cout << "no settings" << std::endl;
+				return false;
+			}
+		}
+		else
+		{
+			std::cout << "no homedir" << std::endl;
+			return false;
+		}
+
+#else
+		ApplicationSettings::getInstance()->load(FilePath(L"data/TestSettings.xml"));
+#endif
+	}
+};
+
+CATCH_REGISTER_LISTENER(EventListener)