ci_code_coverage.yml

name: Determine code coverage
'on':
  workflow_call: null
jobs:
  cov:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Test with profiling data
        run: cargo test
        env:
          CARGO_INCREMENTAL: 0
          LLVM_PROFILE_FILE: 'cargo-test-%p-%m.profraw'
          RUSTFLAGS: '-Cinstrument-coverage'

      - name: Install grcov fast
        uses: SierraSoftworks/setup-grcov@v1
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          version: latest

      - name: Add llvm-tools-preview
        run: rustup component add llvm-tools-preview

      - name: Create lcov output dir
        run: |
          mkdir target/coverage

      - name: Generate lcov from profiling data
        run: grcov . --binary-path ./target/debug/deps/ -s . -t lcov --branch --ignore-not-existing --ignore '**/generated/**/*' --ignore '**/integration/**/*' --ignore '**/tests/**/*' --ignore '../*' --ignore "/*" -o target/coverage/tests.lcov

      - name: Upload lcov to codecov.io
        uses: codecov/codecov-action@v4
        with:
          files: target/coverage/*.lcov

      - name: Wipe stray profiling files
        run: find . -type f -name "*.profraw"