Coverage support

.github/workflows/Code_coverage.yml

@@ -0,0 +1,43 @@
+name: Code_Coverage
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    name: ${{ matrix.config.name }}
+    runs-on: ${{ matrix.config.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        config:
+        - {
+            name: "Ubuntu Latest - GCC", artifact: "linux-gcc.tar.xz",
+            os: ubuntu-latest,
+            cc: "gcc-9", cxx: "g++-9"
+          }
+
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          submodules: "recursive"
+
+      - name: Install Linux dependencies
+        if: runner.os == 'Linux'
+        run: sudo apt-get install libgtest-dev cmake lcov;
+
+      - name: Build gtest
+        run: cd /usr/src/gtest; sudo cmake CMakeLists.txt; sudo make; sudo cp *.a /usr/lib; 
+
+      - name: Build
+        run : mkdir build; cd build; cmake -DCMAKE_BUILD_TYPE=Debug -DCODE_COVERAGE=ON .. ; make;
+
+      - name : Run tests
+        run : cd bin; ./Generic_Logger_test;
+
+      - name : Capture coverage stats
+        run : |
+          cd bin; lcov --directory ../build/ --capture --output-file coverage.info
+          lcov --remove coverage.info '/usr/*' "${HOME}"'/.cache/*' --output-file coverage.info
+          lcov --list coverage.info
+          export CODECOV_TOKEN="33cd74a9-f59c-4eca-aeed-c70aa55866e5"
+          bash <(curl -s https://codecov.io/bash) -f coverage.info || echo "Codecov did not collect coverage reports"

.github/workflows/Validate.yml

@@ -37,4 +37,4 @@ jobs:
         run : mkdir build; cd build; cmake ..; make;
 
       - name : Run tests
-        run : pwd;cd build; ./Generic_Logger_test;
+        run : pwd;cd bin; ./Generic_Logger_test;

CMakeLists.txt

@@ -1,13 +1,40 @@
 CMAKE_MINIMUM_REQUIRED(VERSION 3.10)
 project(Generic_Logger)
 
-add_library(generic_logger src/logger.cpp)
-include_directories(include)
-
 # Tests
 find_package(GTest REQUIRED)
 if (GTest_FOUND)
-    message("Found GTest")
     add_executable(Generic_Logger_test test/test_logger.cpp)
     target_link_libraries(Generic_Logger_test GTest::GTest GTest::Main generic_logger)
 endif()
+
+# Coverage
+if(CMAKE_BUILD_TYPE STREQUAL "coverage" OR CODE_COVERAGE)
+    if(CMAKE_COMPILER_IS_GNUCXX)
+        message("Building with lcov Code Coverage Tools")
+
+        find_program(LCOV_PATH lcov)
+        find_program(GENHTML_PATH genhtml)
+
+        # Warning/Error messages
+        if(NOT (CMAKE_BUILD_TYPE STREQUAL "Debug"))
+            message(WARNING "Code coverage results with an optimized (non-Debug) build may be misleading")
+        endif()
+
+        if(NOT LCOV_PATH)
+            message(FATAL_ERROR "lcov not found! Aborting...")
+        endif()
+
+        if(NOT GENHTML_PATH)
+            message(FATAL_ERROR "genhtml not found! Aborting...")
+        endif()
+
+        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} --coverage -fprofile-arcs -ftest-coverage")
+        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --coverage -fprofile-arcs -ftest-coverage")
+    else()
+        message(FATAL_ERROR "Code coverage requires GCC. Aborting.")
+    endif()
+endif()
+set(EXECUTABLE_OUTPUT_PATH ${CMAKE_CURRENT_SOURCE_DIR}/bin/)
+add_library(generic_logger src/logger.cpp)
+include_directories(include)