generate-coverage.yaml

name: Generate coverage data
on:
  pull_request:
  push:
    branches: [master]

permissions: read-all

jobs:
  generate-coverage:
    name: Generate coverage and push to Coveralls.io
    runs-on: ubuntu-latest
    permissions:
      pull-requests: write

    env:
      ONEAPI_ROOT: /opt/intel/oneapi
      GTEST_ROOT: /home/runner/work/googletest-1.13.0/install
      # Use oneAPI compiler 2023 to work around an issue
      USE_2023: 0

    steps:
      - name: Cancel Previous Runs
        uses: styfle/cancel-workflow-action@0.12.1
        with:
          access_token: ${{ github.token }}

      - name: Add Intel repository
        run: |
          wget https://apt.repos.intel.com/intel-gpg-keys/GPG-PUB-KEY-INTEL-SW-PRODUCTS-2023.PUB
          sudo apt-key add GPG-PUB-KEY-INTEL-SW-PRODUCTS-2023.PUB
          rm GPG-PUB-KEY-INTEL-SW-PRODUCTS-2023.PUB
          sudo add-apt-repository "deb https://apt.repos.intel.com/oneapi all main"
          sudo apt-get update

      - name: Install Intel OneAPI 2023
        if: env.USE_2023 == '1'
        run: |
          sudo apt-get install intel-oneapi-compiler-dpcpp-cpp-2023.2.1
          sudo apt-get install intel-oneapi-tbb-2021.10.0

      - name: Install latest Intel OneAPI
        if: env.USE_2023 != '1'
        run: |
          sudo apt-get install intel-oneapi-compiler-dpcpp-cpp
          sudo apt-get install intel-oneapi-tbb

      - name: Install CMake and Ninja
        run: |
          sudo apt-get install ninja-build

      - name: Setup Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.11'
          architecture: x64

      - name: Cache Gtest
        id: cache-gtest
        uses: actions/cache@v4
        with:
          path: |
            /home/runner/work/googletest-1.13.0/install
          key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('/home/runner/work/googletest-1.13.0/install/include/gtest/*') }}
          restore-keys: |
            ${{ runner.os }}-build-${{ env.cache-name }}-
            ${{ runner.os }}-build-
            ${{ runner.os }}-

      - name: Install Gtest
        if: steps.cache-gtest.outputs.cache-hit != 'true'
        shell: bash -l {0}
        run: |
          cd /home/runner/work
          wget https://github.com/google/googletest/archive/refs/tags/v1.13.0.tar.gz
          tar xf v1.13.0.tar.gz
          cd googletest-1.13.0
          mkdir build
          cd build
          cmake .. -DCMAKE_INSTALL_PREFIX=/home/runner/work/googletest-1.13.0/install
          make && make install

      - name: Checkout repo
        uses: actions/checkout@v4.1.1
        with:
          fetch-depth: 0

      - name: Install Lcov
        run: |
          sudo apt-get install lcov

      - name: Install dpctl dependencies
        shell: bash -l {0}
        run: |
          pip install numpy"<1.26.0" cython setuptools pytest pytest-cov scikit-build cmake coverage[toml]

      - name: Build dpctl with coverage
        shell: bash -l {0}
        env:
          SYCL_CACHE_PERSISTENT: 1
        run: |
          source /opt/intel/oneapi/setvars.sh
          python scripts/gen_coverage.py --verbose

      - name: Install coverall dependencies
        shell: bash -l {0}
        run: |
          sudo gem install coveralls-lcov
          pip install coveralls

      - name: Upload coverage data to coveralls.io
        shell: bash -l {0}
        run: |
          echo "Processing c-api-coverage"
          export DPCTL_LCOV_FN=$(find _skbuild -name dpctl.lcov)
          grep "/tmp" $DPCTL_LCOV_FN
          coveralls-lcov -v -n \
              $DPCTL_LCOV_FN > dpctl-c-api-coverage.json
          echo "Processing pytest-coverage"
          export DPCTL_PYTEST_LCOV=$(find . -name dpctl_pytest.lcov)
          grep "/tmp" $DPCTL_PYTEST_LCOV
          coveralls-lcov -v -n \
              $DPCTL_PYTEST_LCOV > pytest-dpctl-c-api-coverage.json
          echo "Merging JSON files"
          python -c "import json; \
              fh1 = open('dpctl-c-api-coverage.json', 'r'); \
              f1 = json.load(fh1); fh1.close(); \
              fh2 = open('pytest-dpctl-c-api-coverage.json', 'r'); \
              f2 = json.load(fh2); fh2.close(); \
              f3 = {'source_files': f1['source_files'] + f2['source_files']}; \
              fh3 = open('combined-dpctl-c-api-coverage.json', 'w'); \
              json.dump(f3, fh3); fh3.close()" || exit 1
          # merge combined file with coverage data and upload
          ls -lh dpctl-c-api-coverage.json pytest-dpctl-c-api-coverage.json \
               combined-dpctl-c-api-coverage.json \
               $(find _skbuild -name dpctl.lcov) $(find . -name dpctl_pytest.lcov)
          echo "Merging combined files with coverage data"
          coveralls --service=github --merge=combined-dpctl-c-api-coverage.json
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          COVERALLS_PARALLEL: true
          SYCL_QUEUE_THREAD_POOL_SIZE: 6

  coveralls:
    name: Indicate completion to coveralls.io
    needs: generate-coverage
    runs-on: ubuntu-latest
    container: python:3-slim
    steps:
    - name: Finished
      run: |
        pip3 install --upgrade coveralls
        coveralls --finish
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}