coverage.yml

name: Code Coverage

on:
  push:
    paths:
      - 'include/**'
      - 'tests/**'
      - 'CMakeLists.txt'
      - 'CMakePresets.json'
      - '**conanfile.py'
      - '.github/workflows/coverage.yml'
  pull_request:    

jobs:
  coverage:
    runs-on: ubuntu-latest

    defaults:
      run:
        working-directory: ${{github.workspace}}

    steps:

      - uses: actions/checkout@v4
        with:
          ref: main

      - name: Install gcovr
        run: pip install gcovr

      - name: Install CMake and Ninja
        uses: lukka/get-cmake@latest

      - name: Install Conan
        uses: turtlebrowser/get-conan@main
    
      - name: Configure Conan
        run: conan profile detect --force

      - name: Install dependencies
        run: >
          conan install
          --build=missing
          --settings build_type=Debug
          --settings compiler.cppstd=17
          ${{github.workspace}}

      - name: Configure CMake
        run: >
          cmake
          -DCMAKE_CXX_COMPILER=g++
          -DCMAKE_TOOLCHAIN_FILE=build/Debug/generators/conan_toolchain.cmake
          --preset=coverage-gcov

      - name: Build
        run: cmake --build build/Debug
    
      - name: Test
        run: ctest --test-dir build/Debug

      # Compute line coverage
      - name: Generate coverage report
        id: coverage
        run: >
          gcovr
          --root ${{github.workspace}}
          --filter include/
          --exclude-throw-branches
          --exclude-unreachable-branches
          --lcov coverage.lcov
          --print-summary
        shell: bash

      # TODO Coveralls integration