Adding in a test action file from cmake example

.github/workflows/tests.yml

@@ -0,0 +1,29 @@
+name: Libdbc Tests
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+
+env:
+  # Customize the CMake build type here (Release, Debug, RelWithDebInfo, etc.)
+  BUILD_TYPE: Release
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Configure CMake
+      run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}}
+
+    - name: Build
+      run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}} -- -j
+
+    - name: Test
+      working-directory: ${{github.workspace}}/build
+      # Didn't configure to use ctest. Opted for a custom target to run instead
+      run: cmake --build ${{github.workspace}}/build --target test -- -j
+

.gitmodules

@@ -1,3 +0,0 @@
-[submodule "third_party/Catch2"]
-	path = third_party/Catch2
-	url = https://github.com/catchorg/Catch2.git

test/CMakeLists.txt

@@ -1,12 +1,20 @@
 project(tests VERSION 0.1.0)
 
-list(APPEND TEST_SOURCES main.cpp
+# Download and build Catch2 test framework
+Include(FetchContent)
+FetchContent_Declare(
+  Catch2
+  GIT_REPOSITORY https://github.com/catchorg/Catch2.git
+  GIT_TAG        v3.2.1
+)
+FetchContent_MakeAvailable(Catch2)
+
+list(APPEND TEST_SOURCES
 			 test_dbc.cpp
 			 test_utils.cpp)
 
-include_directories(SYSTEM ${PROJECT_SOURCE_DIR}/third_party/Catch2/single_include)
-
 add_executable(tests ${TEST_SOURCES} ${SOURCE})
+target_link_libraries(tests PRIVATE Catch2::Catch2WithMain)
 
 add_custom_target(test
 					COMMAND ${PROJECT_NAME}

test/test_dbc.cpp

@@ -1,4 +1,4 @@
-#include <catch2/catch.hpp>
+#include <catch2/catch_test_macros.hpp>
 #include "defines.hpp"
 #include <libdbc/dbc.hpp>
 

test/test_utils.cpp

@@ -1,4 +1,4 @@
-#include <catch2/catch.hpp>
+#include <catch2/catch_test_macros.hpp>
 #include "defines.hpp"
 #include <libdbc/utils/utils.hpp>