Use Catch2v3 for the unit test suite

This moves from the old header-only Catch2 version 2.x included in GUL14
to the newer 3.x family of the unit test framework. Accordingly, the
header files that need to be included change.

Signed-off-by: Lars Froehlich <lars.froehlich@desy.de>

Author: alt-graph

tests/meson.build

@@ -11,7 +11,10 @@ test_src = files(
 test('all',
     executable(meson.project_name() + '_test',
         test_src,
-        dependencies : libgit4cpp_dep,
+        dependencies : [
+            dependency('catch2'),
+            libgit4cpp_dep,
+        ],
     ),
     workdir : meson.current_build_dir(),
     timeout : 10,

tests/test_Error.cc

@@ -1,9 +1,10 @@
 /**
- * \file   test_Error.cc
- * \date   Created on January 23, 2024
- * \brief  Test suite for the git::Error exception class.
+ * \file    test_Error.cc
+ * \authors Fini Jastrow, Lars Fröhlich
+ * \date    Created on January 23, 2024
+ * \brief   Test suite for the git::Error exception class.
  *
- * \copyright Copyright 2024 Deutsches Elektronen-Synchrotron (DESY), Hamburg
+ * \copyright Copyright 2024-2025 Deutsches Elektronen-Synchrotron (DESY), Hamburg
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Lesser General Public License as published
@@ -23,7 +24,7 @@
 
 #include <string>
 
-#include <gul14/catch.h>
+#include <catch2/catch_test_macros.hpp>
 
 #include "libgit4cpp/Error.h"
 

tests/test_Remote.cc

@@ -4,7 +4,7 @@
  * \date   Created on January 15, 2024
  * \brief  Test suite for the Remote class.
  *
- * \copyright Copyright 2024 Deutsches Elektronen-Synchrotron (DESY), Hamburg
+ * \copyright Copyright 2024-2025 Deutsches Elektronen-Synchrotron (DESY), Hamburg
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Lesser General Public License as published
@@ -25,8 +25,8 @@
 #include <filesystem>
 #include <fstream>
 
+#include <catch2/catch_test_macros.hpp>
 #include <git2.h>
-#include <gul14/catch.h>
 #include <gul14/gul.h>
 
 #include "libgit4cpp/Error.h"

tests/test_Repository.cc

@@ -4,7 +4,7 @@
  * \date   Created on March 22, 2023
  * \brief  Test suite for the Repository class.
  *
- * \copyright Copyright 2023-2024 Deutsches Elektronen-Synchrotron (DESY), Hamburg
+ * \copyright Copyright 2023-2025 Deutsches Elektronen-Synchrotron (DESY), Hamburg
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Lesser General Public License as published
@@ -26,8 +26,8 @@
 #include <fstream>
 #include <iostream>
 
+#include <catch2/catch_test_macros.hpp>
 #include <git2.h>
-#include <gul14/catch.h>
 #include <gul14/gul.h>
 
 #include "libgit4cpp/Error.h"

tests/test_main.cc

@@ -4,7 +4,7 @@
  * \date   Created on November 26, 2019
  * \brief  Test suite for libgit4cpp
  *
- * \copyright Copyright 2019-2024 Deutsches Elektronen-Synchrotron (DESY), Hamburg
+ * \copyright Copyright 2019-2025 Deutsches Elektronen-Synchrotron (DESY), Hamburg
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Lesser General Public License as published
@@ -24,8 +24,7 @@
 
 #include <filesystem>
 
-#define CATCH_CONFIG_RUNNER
-#include <gul14/catch.h>
+#include <catch2/catch_session.hpp>
 
 #include "test_main.h"