From e9c8103b759c2ef5beafb514e8275760de5fddd5 Mon Sep 17 00:00:00 2001
From: Mathew Benson <mathew@benson.co.ke>
Date: Sun, 5 Apr 2026 23:51:14 +0300
Subject: [PATCH] Enable CMake's CTest Functionality and Update FMT

- Enable the testing machinery and enumerate the tests using CMake
- This enables testing using the CTest Command
- CMakeLists.txt Cleanup
- Change the fmt lib base branch which changed from master to main
---
 CMakeLists.txt               | 11 ++++++++---
 ZEngine/tests/CMakeLists.txt |  5 +++++
 dependencies.cmake           |  1 +
 3 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2ef3e8f0..6a28b597 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -40,11 +40,16 @@ list( APPEND CMAKE_INSTALL_RPATH ${CMAKE_INSTALL_PREFIX}/lib )
 #
 if (NOT LAUNCHER_ONLY)
 
-    ## Setup Dependencies
-    include(dependencies.cmake)
+    # Enable CMake's CTest Functionality
+    #
+    include(CTest)
 
-    ## Compile Shaders
+    # Setup Dependencies
+    #
+    include(dependencies.cmake)
 
+    # Compile Shaders
+    #
     add_subdirectory (Resources)
 
 	# Core engine lib is here
diff --git a/ZEngine/tests/CMakeLists.txt b/ZEngine/tests/CMakeLists.txt
index b9449a38..6e1b3a12 100644
--- a/ZEngine/tests/CMakeLists.txt
+++ b/ZEngine/tests/CMakeLists.txt
@@ -17,3 +17,8 @@ set_target_properties(ZEngineTests PROPERTIES INSTALL_RPATH ${CMAKE_INSTALL_PREF
 
 install(TARGETS ZEngineTests 
     RUNTIME DESTINATION tests)
+
+if(BUILD_TESTING)
+    include(GoogleTest)
+    gtest_discover_tests(ZEngineTests)
+endif()
diff --git a/dependencies.cmake b/dependencies.cmake
index 1ba957ef..bc7b778a 100644
--- a/dependencies.cmake
+++ b/dependencies.cmake
@@ -4,6 +4,7 @@ FetchContent_Declare(
   fmt
   GIT_REPOSITORY https://github.com/fmtlib/fmt.git
   GIT_SHALLOW TRUE
+  GIT_TAG main
     )
 
 FetchContent_Declare(