coverage.yml

name: Code Coverage

on: [ push, pull_request ]

jobs:
  build:
    name: Build and Test
    runs-on: ${{ matrix.os }}
    # We want to run on external PRs, but not on internal ones as push automatically builds
    # H/T: https://github.com/Dart-Code/Dart-Code/commit/612732d5879730608baa9622bf7f5e5b7b51ae65
    if: github.event_name == 'push' || github.event.pull_request.head.repo.full_name != 'amazon-ion/ion-rust'
    strategy:
      matrix:
        os: [ ubuntu-latest ]

    steps:
      - name: Git checkout
        uses: actions/checkout@v4
        with:
          submodules: recursive
      - name: Install Rust toolchain
        uses: dtolnay/rust-toolchain@stable
        with:
          # We need this component to generate source coverage in stable
          components: llvm-tools-preview
      - name: Install `cargo-llvm-cov`
        run: cargo install cargo-llvm-cov
      - name: Cargo test w/code coverage
        run: cargo llvm-cov --verbose --workspace --all-features --no-fail-fast --codecov --output-path codecov.json
      - name: Codecov upload
        uses: codecov/codecov-action@v4
        with:
          files: codecov.json
          fail_ci_if_error: true
          token: ${{ secrets.CODECOV_TOKEN }}