Refactor ArffFiles library as a git submodule only for tests

tests/CMakeLists.txt

@@ -1,6 +1,6 @@
 if(ENABLE_TESTING)
     include_directories(
-        ${BayesNet_SOURCE_DIR}/lib/Files
+        ${BayesNet_SOURCE_DIR}/tests/lib/Files
         ${BayesNet_SOURCE_DIR}/lib/folding
         ${BayesNet_SOURCE_DIR}/lib/mdlp
         ${BayesNet_SOURCE_DIR}/lib/json/include
@@ -11,7 +11,7 @@ if(ENABLE_TESTING)
     add_executable(TestBayesNet TestBayesNetwork.cc TestBayesNode.cc TestBayesClassifier.cc 
         TestBayesModels.cc TestBayesMetrics.cc TestFeatureSelection.cc TestBoostAODE.cc TestA2DE.cc 
         TestUtils.cc TestBayesEnsemble.cc TestModulesVersions.cc TestBoostA2DE.cc ${BayesNet_SOURCES})
-    target_link_libraries(TestBayesNet PUBLIC "${TORCH_LIBRARIES}" ArffFiles mdlp PRIVATE Catch2::Catch2WithMain)
+    target_link_libraries(TestBayesNet PUBLIC "${TORCH_LIBRARIES}" mdlp PRIVATE Catch2::Catch2WithMain)
     add_test(NAME BayesNetworkTest COMMAND TestBayesNet)
     add_test(NAME A2DE COMMAND TestBayesNet "[A2DE]")
     add_test(NAME BoostA2DE COMMAND TestBayesNet "[BoostA2DE]")

tests/TestModulesVersions.cc

@@ -18,7 +18,8 @@
 std::map<std::string, std::string> modules = {
     { "mdlp", "1.1.2" },
     { "Folding", "1.1.0" },
-    { "json", "3.11" }
+    { "json", "3.11" },
+    { "ArffFiles", "1.0.0" }
 };
 
 TEST_CASE("MDLP", "[Modules]")
@@ -35,3 +36,8 @@ TEST_CASE("NLOHMANN_JSON", "[Modules]")
 {
     REQUIRE(JSON_VERSION == modules["json"]);
 }
+TEST_CASE("ArffFiles", "[Modules]")
+{
+    auto handler = ArffFiles();
+    REQUIRE(handler.version() == modules["ArffFiles"]);
+}

tests/TestUtils.h

@@ -11,7 +11,7 @@
 #include <vector>
 #include <map>
 #include <tuple>
-#include <ArffFiles.h>
+#include <ArffFiles.hpp>
 #include <CPPFImdlp.h>
 #include <folding.hpp>