name: CMake

on:
  push:
  pull_request:
    branches: [ master ]

env:
  # Customize the CMake build type here (Release, Debug, RelWithDebInfo, etc.)
  BUILD_TYPE: Debug
  GENERATE_COVERAGE: true
  LCOV_ROOT: ${{github.workspace}}/lcov

jobs:
  build:
    # The CMake configure and build commands are platform agnostic and should work equally
    # well on Windows or Mac.  You can convert this to a matrix build if you need
    # cross-platform coverage.
    # See: https://docs.github.com/en/free-pro-team@latest/actions/learn-github-actions/managing-complex-workflows#using-a-build-matrix
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v2
      with:
        submodules: recursive

    - name: Install coverage tools
      run: |
        mkdir -p "$LCOV_ROOT"
        wget http://ftp.de.debian.org/debian/pool/main/l/lcov/lcov_1.14.orig.tar.gz --output-document="$LCOV_ROOT/lcov.tar.gz"
        tar -xf "$LCOV_ROOT/lcov.tar.gz" --strip-components=1 -C "$LCOV_ROOT"
        echo "$LCOV_ROOT/bin" >> $GITHUB_PATH
      shell: bash

    - name: Configure CMake
      # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
      # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type
      run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} -DBUILDER_ENABLE_PROFILING=true

    - name: Build
      # Build your program with the given configuration
      run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}}

    - name: Run Unit Tests
      working-directory: ${{github.workspace}}/build
      run: ctest --verbose

    - name: Prune external code coverage
      run: rm -rf ./external/google-test/googletest/CMakeFiles/gtest.dir/src/gtest-all.cc.gcda

    - name: Inspect

    - name: Generate code coverage report
      working-directory: ${{github.workspace}}/build
      run: |
        lcov --directory . --capture --output-file coverage.info
        lcov --remove coverage.info 'test/*' '/usr/*' 'external/*' --output-file coverage.info
        lcov --list coverage.info